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PEP8

This commit is contained in:
Sebastien Bourdeauducq 2014-09-05 12:03:22 +08:00
parent 7e9df82e37
commit 4915b4b5aa
43 changed files with 3179 additions and 2915 deletions
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7
artiq/compiler/fold_constants.py
View File

@ -1,8 +1,10 @@
import ast, operator
import ast
import operator
from artiq.compiler.tools import *
from artiq.language.core import int64, round64
_ast_unops = {
ast.Invert: operator.inv,
ast.Not: operator.not_,
@ -10,6 +12,7 @@ _ast_unops = {
ast.USub: operator.neg
}
_ast_binops = {
ast.Add: operator.add,
ast.Sub: operator.sub,
@ -25,6 +28,7 @@ _ast_binops = {
ast.BitAnd: operator.and_
}
class _ConstantFolder(ast.NodeTransformer):
def visit_UnaryOp(self, node):
self.generic_visit(node)
@ -77,5 +81,6 @@ class _ConstantFolder(ast.NodeTransformer):
else:
return node
def fold_constants(node):
_ConstantFolder().visit(node)

52
artiq/compiler/inline.py
View File

@ -1,21 +1,27 @@
from collections import namedtuple, defaultdict
from fractions import Fraction
import inspect, textwrap, ast
import inspect
import textwrap
import ast
from artiq.compiler.tools import eval_ast, value_to_ast
from artiq.language import core as core_language
from artiq.language import units
_UserVariable = namedtuple("_UserVariable", "name")
def _is_in_attr_list(obj, attr, al):
if not hasattr(obj, al):
return False
return attr in getattr(obj, al).split()
class _ReferenceManager:
def __init__(self):
# (id(obj), funcname, local) -> _UserVariable(name) / ast / constant_object
# (id(obj), funcname, local)
# -> _UserVariable(name) / ast / constant_object
# local is None for kernel attributes
self.to_inlined = dict()
# inlined_name -> use_count
@ -26,9 +32,9 @@ class _ReferenceManager:
# reserved names
for kg in core_language.kernel_globals:
self.use_count[kg] = 1
for name in "int", "round", "int64", "round64", \
"range", "Fraction", "Quantity", \
"s_unit", "Hz_unit", "microcycle_unit":
for name in ("int", "round", "int64", "round64",
"range", "Fraction", "Quantity",
"s_unit", "Hz_unit", "microcycle_unit"):
self.use_count[name] = 1
def new_name(self, base_name):
@ -63,7 +69,9 @@ class _ReferenceManager:
else:
if _is_in_attr_list(value, ref.attr, "kernel_attr_ro"):
if store:
raise TypeError("Attempted to assign to read-only kernel attribute")
raise TypeError(
"Attempted to assign to read-only"
" kernel attribute")
return getattr(value, ref.attr)
if _is_in_attr_list(value, ref.attr, "kernel_attr"):
key = (id(value), ref.attr, None)
@ -76,7 +84,9 @@ class _ReferenceManager:
self.to_inlined[key] = ival
a = value_to_ast(getattr(value, ref.attr))
if a is None:
raise NotImplementedError("Cannot represent initial value of kernel attribute")
raise NotImplementedError(
"Cannot represent initial value"
" of kernel attribute")
self.kernel_attr_init.append(ast.Assign(
[ast.Name(iname, ast.Store())], a))
return ival
@ -92,12 +102,14 @@ class _ReferenceManager:
self.to_inlined[(id(obj), funcname, name)] = value
def get_constants(self, r_obj, r_funcname):
return {local: v for (objid, funcname, local), v
return {
local: v for (objid, funcname, local), v
in self.to_inlined.items()
if objid == id(r_obj)
and funcname == r_funcname
and not isinstance(v, (_UserVariable, ast.AST))}
_embeddable_calls = {
core_language.delay, core_language.at, core_language.now,
core_language.syscall,
@ -105,6 +117,7 @@ _embeddable_calls = {
Fraction, units.Quantity
}
class _ReferenceReplacer(ast.NodeTransformer):
def __init__(self, core, rm, obj, funcname):
self.core = core
@ -122,11 +135,13 @@ class _ReferenceReplacer(ast.NodeTransformer):
newnode = ival
else:
if store:
raise NotImplementedError("Cannot turn object into user variable")
raise NotImplementedError(
"Cannot turn object into user variable")
else:
newnode = value_to_ast(ival)
if newnode is None:
raise NotImplementedError("Cannot represent inlined value")
raise NotImplementedError(
"Cannot represent inlined value")
return ast.copy_location(newnode, node)
visit_Name = visit_ref
@ -143,9 +158,12 @@ class _ReferenceReplacer(ast.NodeTransformer):
ast.Call(func=new_func, args=new_args,
keywords=[], starargs=None, kwargs=None),
node)
elif hasattr(func, "k_function_info") and getattr(func.__self__, func.k_function_info.core_name) is self.core:
elif (hasattr(func, "k_function_info")
and getattr(func.__self__, func.k_function_info.core_name)
is self.core):
args = [func.__self__] + new_args
inlined, _ = inline(self.core, func.k_function_info.k_function, args, dict(), self.rm)
inlined, _ = inline(self.core, func.k_function_info.k_function,
args, dict(), self.rm)
return inlined.body
else:
args = [ast.Str("rpc"), value_to_ast(self.rm.rpc_map[func])]
@ -168,11 +186,13 @@ class _ReferenceReplacer(ast.NodeTransformer):
return node
def visit_FunctionDef(self, node):
node.args = ast.arguments(args=[], vararg=None, kwonlyargs=[], kw_defaults=[], kwarg=None, defaults=[])
node.args = ast.arguments(args=[], vararg=None, kwonlyargs=[],
kw_defaults=[], kwarg=None, defaults=[])
node.decorator_list = []
self.generic_visit(node)
return node
class _ListReadOnlyParams(ast.NodeVisitor):
def visit_FunctionDef(self, node):
if hasattr(self, "read_only_params"):
@ -187,11 +207,13 @@ class _ListReadOnlyParams(ast.NodeVisitor):
except KeyError:
pass
def _list_read_only_params(funcdef):
lrp = _ListReadOnlyParams()
lrp.visit(funcdef)
return lrp.read_only_params
def _initialize_function_params(funcdef, k_args, k_kwargs, rm):
obj = k_args[0]
funcname = funcdef.name
@ -207,6 +229,7 @@ def _initialize_function_params(funcdef, k_args, k_kwargs, rm):
param_init.append(ast.Assign(targets=[target], value=value))
return param_init
def inline(core, k_function, k_args, k_kwargs, rm=None):
init_kernel_attr = rm is None
if rm is None:
@ -225,5 +248,6 @@ def inline(core, k_function, k_args, k_kwargs, rm=None):
if init_kernel_attr:
funcdef.body[0:0] = rm.kernel_attr_init
r_rpc_map = dict((rpc_num, rpc_fun) for rpc_fun, rpc_num in rm.rpc_map.items())
r_rpc_map = dict((rpc_num, rpc_fun)
for rpc_fun, rpc_num in rm.rpc_map.items())
return funcdef, r_rpc_map

16
artiq/compiler/interleave.py
View File

@ -1,7 +1,9 @@
import ast, types
import ast
import types
from artiq.compiler.tools import *
# -1 statement duration could not be pre-determined
# 0 statement has no effect on timeline
# >0 statement is a static delay that advances the timeline
@ -10,7 +12,8 @@ def _get_duration(stmt):
if isinstance(stmt, (ast.Expr, ast.Assign)):
return _get_duration(stmt.value)
elif isinstance(stmt, ast.If):
if all(_get_duration(s) == 0 for s in stmt.body) and all(_get_duration(s) == 0 for s in stmt.orelse):
if (all(_get_duration(s) == 0 for s in stmt.body)
and all(_get_duration(s) == 0 for s in stmt.orelse)):
return 0
else:
return -1
@ -27,6 +30,7 @@ def _get_duration(stmt):
else:
return 0
def _interleave_timelines(timelines):
r = []
@ -38,7 +42,8 @@ def _interleave_timelines(timelines):
except StopIteration:
pass
else:
current_stmts.append(types.SimpleNamespace(delay=_get_duration(stmt), stmt=stmt, it=it))
current_stmts.append(types.SimpleNamespace(
delay=_get_duration(stmt), stmt=stmt, it=it))
while current_stmts:
dt = min(stmt.delay for stmt in current_stmts)
@ -52,7 +57,8 @@ def _interleave_timelines(timelines):
if stmt.delay == 0:
ref_stmt = stmt.stmt
delay_stmt = ast.copy_location(
ast.Expr(ast.Call(func=ast.Name("delay", ast.Load()),
ast.Expr(ast.Call(
func=ast.Name("delay", ast.Load()),
args=[value_to_ast(dt)],
keywords=[], starargs=[], kwargs=[])),
ref_stmt)
@ -76,6 +82,7 @@ def _interleave_timelines(timelines):
return r
def _interleave_stmts(stmts):
replacements = []
for stmt_i, stmt in enumerate(stmts):
@ -101,5 +108,6 @@ def _interleave_stmts(stmts):
stmts[offset+location:offset+location+1] = new_stmts
offset += len(new_stmts) - 1
def interleave(funcdef):
_interleave_stmts(funcdef.body)

2
artiq/compiler/ir.py
View File

@ -3,6 +3,7 @@ from llvm import passes as lp
from artiq.compiler import ir_infer_types, ir_ast_body, ir_values
def compile_function(module, env, funcdef):
function_type = lc.Type.function(lc.Type.void(), [])
function = module.add_function(function_type, funcdef.name)
@ -16,6 +17,7 @@ def compile_function(module, env, funcdef):
visitor.visit_statements(funcdef.body)
builder.ret_void()
def get_runtime_binary(env, funcdef):
module = lc.Module.new("main")
env.init_module(module)

44
artiq/compiler/ir_ast_body.py
View File

@ -2,6 +2,7 @@ import ast
from artiq.compiler import ir_values
class Visitor:
def __init__(self, env, ns, builder=None):
self.env = env
@ -14,7 +15,8 @@ class Visitor:
try:
visitor = getattr(self, method)
except AttributeError:
raise NotImplementedError("Unsupported node '{}' in expression".format(node.__class__.__name__))
raise NotImplementedError("Unsupported node '{}' in expression"
.format(node.__class__.__name__))
return visitor(node)
def _visit_expr_Name(self, node):
@ -56,7 +58,8 @@ class Visitor:
ast.UAdd: ir_values.operators.pos,
ast.USub: ir_values.operators.neg
}
return ast_unops[type(node.op)](self.visit_expression(node.operand), self.builder)
return ast_unops[type(node.op)](self.visit_expression(node.operand),
self.builder)
def _visit_expr_BinOp(self, node):
ast_binops = {
@ -73,7 +76,9 @@ class Visitor:
ast.BitXor: ir_values.operators.xor,
ast.BitAnd: ir_values.operators.and_
}
return ast_binops[type(node.op)](self.visit_expression(node.left), self.visit_expression(node.right), self.builder)
return ast_binops[type(node.op)](self.visit_expression(node.left),
self.visit_expression(node.right),
self.builder)
def _visit_expr_Compare(self, node):
ast_cmps = {
@ -88,7 +93,8 @@ class Visitor:
old_comparator = self.visit_expression(node.left)
for op, comparator_a in zip(node.ops, node.comparators):
comparator = self.visit_expression(comparator_a)
comparison = ast_cmps[type(op)](old_comparator, comparator, self.builder)
comparison = ast_cmps[type(op)](old_comparator, comparator,
self.builder)
comparisons.append(comparison)
old_comparator = comparator
r = comparisons[0]
@ -106,7 +112,8 @@ class Visitor:
}
fn = node.func.id
if fn in ast_unfuns:
return ast_unfuns[fn](self.visit_expression(node.args[0]), self.builder)
return ast_unfuns[fn](self.visit_expression(node.args[0]),
self.builder)
elif fn == "Fraction":
r = ir_values.VFraction()
if self.builder is not None:
@ -115,7 +122,8 @@ class Visitor:
r.set_value_nd(self.builder, numerator, denominator)
return r
elif fn == "syscall":
return self.env.syscall(node.args[0].s,
return self.env.syscall(
node.args[0].s,
[self.visit_expression(expr) for expr in node.args[1:]],
self.builder)
else:
@ -127,7 +135,8 @@ class Visitor:
try:
visitor = getattr(self, method)
except AttributeError:
raise NotImplementedError("Unsupported node '{}' in statement".format(node.__class__.__name__))
raise NotImplementedError("Unsupported node '{}' in statement"
.format(node.__class__.__name__))
visitor(node)
def _visit_stmt_Assign(self, node):
@ -139,7 +148,8 @@ class Visitor:
raise NotImplementedError
def _visit_stmt_AugAssign(self, node):
val = self.visit_expression(ast.BinOp(op=node.op, left=node.target, right=node.value))
val = self.visit_expression(ast.BinOp(op=node.op, left=node.target,
right=node.value))
if isinstance(node.target, ast.Name):
self.ns[node.target.id].set_value(self.builder, val)
else:
@ -154,8 +164,10 @@ class Visitor:
else_block = function.append_basic_block("i_else")
merge_block = function.append_basic_block("i_merge")
condition = ir_values.operators.bool(self.visit_expression(node.test), self.builder)
self.builder.cbranch(condition.get_ssa_value(self.builder), then_block, else_block)
condition = ir_values.operators.bool(self.visit_expression(node.test),
self.builder)
self.builder.cbranch(condition.get_ssa_value(self.builder),
then_block, else_block)
self.builder.position_at_end(then_block)
self.visit_statements(node.body)
@ -173,13 +185,17 @@ class Visitor:
else_block = function.append_basic_block("w_else")
merge_block = function.append_basic_block("w_merge")
condition = ir_values.operators.bool(self.visit_expression(node.test), self.builder)
self.builder.cbranch(condition.get_ssa_value(self.builder), body_block, else_block)
condition = ir_values.operators.bool(
self.visit_expression(node.test), self.builder)
self.builder.cbranch(
condition.get_ssa_value(self.builder), body_block, else_block)
self.builder.position_at_end(body_block)
self.visit_statements(node.body)
condition = ir_values.operators.bool(self.visit_expression(node.test), self.builder)
self.builder.cbranch(condition.get_ssa_value(self.builder), body_block, merge_block)
condition = ir_values.operators.bool(
self.visit_expression(node.test), self.builder)
self.builder.cbranch(
condition.get_ssa_value(self.builder), body_block, merge_block)
self.builder.position_at_end(else_block)
self.visit_statements(node.orelse)

5
artiq/compiler/ir_infer_types.py
View File

@ -4,6 +4,7 @@ from copy import deepcopy
from artiq.compiler.ir_ast_body import Visitor
class _TypeScanner(ast.NodeVisitor):
def __init__(self, env, ns):
self.exprv = Visitor(env, ns)
@ -21,7 +22,8 @@ class _TypeScanner(ast.NodeVisitor):
raise NotImplementedError
def visit_AugAssign(self, node):
val = self.exprv.visit_expression(ast.BinOp(op=node.op, left=node.target, right=node.value))
val = self.exprv.visit_expression(ast.BinOp(
op=node.op, left=node.target, right=node.value))
ns = self.exprv.ns
target = node.target
if isinstance(target, ast.Name):
@ -32,6 +34,7 @@ class _TypeScanner(ast.NodeVisitor):
else:
raise NotImplementedError
def infer_types(env, node):
ns = dict()
while True:

116
artiq/compiler/ir_values.py
View File

@ -2,6 +2,7 @@ from types import SimpleNamespace
from llvm import core as lc
class _Value:
def __init__(self):
self._llvm_value = None
@ -18,7 +19,8 @@ class _Value:
elif isinstance(self._llvm_value, lc.AllocaInstruction):
builder.store(value, self._llvm_value)
else:
raise RuntimeError("Attempted to set LLVM SSA value multiple times")
raise RuntimeError(
"Attempted to set LLVM SSA value multiple times")
def alloca(self, builder, name):
if self._llvm_value is not None:
@ -37,6 +39,7 @@ class _Value:
def o_round64(self, builder):
return self.o_roundx(64, builder)
# None type
class VNone(_Value):
@ -62,6 +65,7 @@ class VNone(_Value):
r.set_const_value(builder, False)
return r
# Integer type
class VInt(_Value):
@ -86,7 +90,8 @@ class VInt(_Value):
raise TypeError
def set_value(self, builder, n):
self.set_ssa_value(builder, n.o_intx(self.nbits, builder).get_ssa_value(builder))
self.set_ssa_value(
builder, n.o_intx(self.nbits, builder).get_ssa_value(builder))
def set_const_value(self, builder, n):
self.set_ssa_value(builder, lc.Constant.int(self.get_llvm_type(), n))
@ -94,22 +99,31 @@ class VInt(_Value):
def o_bool(self, builder):
r = VBool()
if builder is not None:
r.set_ssa_value(builder, builder.icmp(lc.ICMP_NE,
self.get_ssa_value(builder), lc.Constant.int(self.get_llvm_type(), 0)))
r.set_ssa_value(
builder, builder.icmp(
lc.ICMP_NE,
self.get_ssa_value(builder),
lc.Constant.int(self.get_llvm_type(), 0)))
return r
def o_intx(self, target_bits, builder):
r = VInt(target_bits)
if builder is not None:
if self.nbits == target_bits:
r.set_ssa_value(builder, self.get_ssa_value(builder))
r.set_ssa_value(
builder, self.get_ssa_value(builder))
if self.nbits > target_bits:
r.set_ssa_value(builder, builder.trunc(self.get_ssa_value(builder), r.get_llvm_type()))
r.set_ssa_value(
builder, builder.trunc(self.get_ssa_value(builder),
r.get_llvm_type()))
if self.nbits < target_bits:
r.set_ssa_value(builder, builder.sext(self.get_ssa_value(builder), r.get_llvm_type()))
r.set_ssa_value(
builder, builder.sext(self.get_ssa_value(builder),
r.get_llvm_type()))
return r
o_roundx = o_intx
def _make_vint_binop_method(builder_name):
def binop_method(self, other, builder):
if isinstance(other, VInt):
@ -119,15 +133,15 @@ def _make_vint_binop_method(builder_name):
left = self.o_intx(target_bits, builder)
right = other.o_intx(target_bits, builder)
bf = getattr(builder, builder_name)
r.set_ssa_value(builder,
bf(left.get_ssa_value(builder), right.get_ssa_value(builder)))
r.set_ssa_value(
builder, bf(left.get_ssa_value(builder),
right.get_ssa_value(builder)))
return r
else:
return NotImplemented
return binop_method
for _method_name, _builder_name in (
("o_add", "add"),
for _method_name, _builder_name in (("o_add", "add"),
("o_sub", "sub"),
("o_mul", "mul"),
("o_floordiv", "sdiv"),
@ -137,6 +151,7 @@ for _method_name, _builder_name in (
("o_or", "or_")):
setattr(VInt, _method_name, _make_vint_binop_method(_builder_name))
def _make_vint_cmp_method(icmp_val):
def cmp_method(self, other, builder):
if isinstance(other, VInt):
@ -145,15 +160,17 @@ def _make_vint_cmp_method(icmp_val):
target_bits = max(self.nbits, other.nbits)
left = self.o_intx(target_bits, builder)
right = other.o_intx(target_bits, builder)
r.set_ssa_value(builder,
builder.icmp(icmp_val, left.get_ssa_value(builder), right.get_ssa_value(builder)))
r.set_ssa_value(
builder,
builder.icmp(
icmp_val, left.get_ssa_value(builder),
right.get_ssa_value(builder)))
return r
else:
return NotImplemented
return cmp_method
for _method_name, _icmp_val in (
("o_eq", lc.ICMP_EQ),
for _method_name, _icmp_val in (("o_eq", lc.ICMP_EQ),
("o_ne", lc.ICMP_NE),
("o_lt", lc.ICMP_SLT),
("o_le", lc.ICMP_SLE),
@ -161,6 +178,7 @@ for _method_name, _icmp_val in (
("o_ge", lc.ICMP_SGE)):
setattr(VInt, _method_name, _make_vint_cmp_method(_icmp_val))
# Boolean type
class VBool(VInt):
@ -186,24 +204,30 @@ class VBool(VInt):
r.set_ssa_value(builder, self.get_ssa_value(builder))
return r
# Fraction type
def _gcd64(builder, a, b):
gcd_f = builder.module.get_function_named("__gcd64")
return builder.call(gcd_f, [a, b])
def _frac_normalize(builder, numerator, denominator):
gcd = _gcd64(numerator, denominator)
numerator = builder.sdiv(numerator, gcd)
denominator = builder.sdiv(denominator, gcd)
return numerator, denominator
def _frac_make_ssa(builder, numerator, denominator):
value = lc.Constant.undef(lc.Type.vector(lc.Type.int(64), 2))
value = builder.insert_element(value, numerator, lc.Constant.int(lc.Type.int(), 0))
value = builder.insert_element(value, denominator, lc.Constant.int(lc.Type.int(), 1))
value = builder.insert_element(
value, numerator, lc.Constant.int(lc.Type.int(), 0))
value = builder.insert_element(
value, denominator, lc.Constant.int(lc.Type.int(), 1))
return value
class VFraction(_Value):
def get_llvm_type(self):
return lc.Type.vector(lc.Type.int(64), 2)
@ -220,8 +244,10 @@ class VFraction(_Value):
def _nd(self, builder, invert=False):
ssa_value = self.get_ssa_value(builder)
numerator = builder.extract_element(ssa_value, lc.Constant.int(lc.Type.int(), 0))
denominator = builder.extract_element(ssa_value, lc.Constant.int(lc.Type.int(), 1))
numerator = builder.extract_element(
ssa_value, lc.Constant.int(lc.Type.int(), 0))
denominator = builder.extract_element(
ssa_value, lc.Constant.int(lc.Type.int(), 1))
if invert:
return denominator, numerator
else:
@ -230,8 +256,10 @@ class VFraction(_Value):
def set_value_nd(self, builder, numerator, denominator):
numerator = numerator.o_int64(builder).get_ssa_value(builder)
denominator = denominator.o_int64(builder).get_ssa_value(builder)
numerator, denominator = _frac_normalize(builder, numerator, denominator)
self.set_ssa_value(builder, _frac_make_ssa(builder, numerator, denominator))
numerator, denominator = _frac_normalize(
builder, numerator, denominator)
self.set_ssa_value(
builder, _frac_make_ssa(builder, numerator, denominator))
def set_value(self, builder, n):
if not isinstance(n, VFraction):
@ -242,7 +270,8 @@ class VFraction(_Value):
r = VBool()
if builder is not None:
zero = lc.Constant.int(lc.Type.int(64), 0)
numerator = builder.extract_element(self.get_ssa_value(builder), lc.Constant.int(lc.Type.int(), 0))
numerator = builder.extract_element(
self.get_ssa_value(builder), lc.Constant.int(lc.Type.int(), 0))
r.set_ssa_value(builder, builder.icmp(lc.ICMP_NE, numerator, zero))
return r
@ -261,7 +290,8 @@ class VFraction(_Value):
else:
r = VInt(64)
numerator, denominator = self._nd(builder)
h_denominator = builder.ashr(denominator, lc.Constant.int(lc.Type.int(), 1))
h_denominator = builder.ashr(denominator,
lc.Constant.int(lc.Type.int(), 1))
r_numerator = builder.add(numerator, h_denominator)
r.set_ssa_value(builder, builder.sdiv(r_numerator, denominator))
return r.o_intx(target_bits, builder)
@ -272,12 +302,17 @@ class VFraction(_Value):
if builder is not None:
ee = []
for i in range(2):
es = builder.extract_element(self.get_ssa_value(builder), lc.Constant.int(lc.Type.int(), i))
eo = builder.extract_element(other.get_ssa_value(builder), lc.Constant.int(lc.Type.int(), i))
es = builder.extract_element(
self.get_ssa_value(builder),
lc.Constant.int(lc.Type.int(), i))
eo = builder.extract_element(
other.get_ssa_value(builder),
lc.Constant.int(lc.Type.int(), i))
ee.append(builder.icmp(lc.ICMP_EQ, es, eo))
ssa_r = builder.and_(ee[0], ee[1])
if ne:
ssa_r = builder.xor(ssa_r, lc.Constant.int(lc.Type.int(1), 1))
ssa_r = builder.xor(ssa_r,
lc.Constant.int(lc.Type.int(1), 1))
r.set_ssa_value(builder, ssa_r)
return r
else:
@ -307,7 +342,8 @@ class VFraction(_Value):
i = builder.sdiv(i, gcd)
denominator = builder.sdiv(denominator, gcd)
numerator = builder.mul(numerator, i)
self.set_ssa_value(builder, _frac_make_ssa(builder, numerator, denominator))
self.set_ssa_value(builder, _frac_make_ssa(builder, numerator,
denominator))
elif isinstance(other, VFraction):
if builder is None:
return r
@ -320,8 +356,10 @@ class VFraction(_Value):
else:
numerator = builder.mul(numerator, onumerator)
denominator = builder.mul(denominator, odenominator)
numerator, denominator = _frac_normalize(builder, numerator, denominator)
self.set_ssa_value(builder, _frac_make_ssa(builder, numerator, denominator))
numerator, denominator = _frac_normalize(builder, numerator,
denominator)
self.set_ssa_value(
builder, _frac_make_ssa(builder, numerator, denominator))
else:
return NotImplemented
@ -351,6 +389,7 @@ class VFraction(_Value):
else:
return r.o_int(builder)
# Operators
def _make_unary_operator(op_name):
@ -358,10 +397,13 @@ def _make_unary_operator(op_name):
try:
opf = getattr(x, "o_"+op_name)
except AttributeError:
raise TypeError("Unsupported operand type for {}: {}".format(op_name, type(x).__name__))
raise TypeError(
"Unsupported operand type for {}: {}"
.format(op_name, type(x).__name__))
return opf(builder)
return op
def _make_binary_operator(op_name):
def op(l, r, builder):
try:
@ -378,14 +420,17 @@ def _make_binary_operator(op_name):
else:
result = ropf(l, builder)
if result is NotImplemented:
raise TypeError("Unsupported operand types for {}: {} and {}".format(
op_name, type(l).__name__, type(r).__name__))
raise TypeError(
"Unsupported operand types for {}: {} and {}"
.format(op_name, type(l).__name__, type(r).__name__))
return result
return op
def _make_operators():
d = dict()
for op_name in ("bool", "int", "int64", "round", "round64", "inv", "pos", "neg"):
for op_name in ("bool", "int", "int64", "round", "round64",
"inv", "pos", "neg"):
d[op_name] = _make_unary_operator(op_name)
d["not_"] = _make_binary_operator("not")
for op_name in ("add", "sub", "mul",
@ -399,7 +444,8 @@ def _make_operators():
operators = _make_operators()
def init_module(module):
func_type = lc.Type.function(lc.Type.int(64),
[lc.Type.int(64), lc.Type.int(64)])
func_type = lc.Type.function(
lc.Type.int(64), [lc.Type.int(64), lc.Type.int(64)])
module.add_function(func_type, "__gcd64")

15
artiq/compiler/lower_time.py
View File

@ -3,11 +3,14 @@ import ast
from artiq.compiler.tools import value_to_ast
from artiq.language.core import int64
def _insert_int64(node):
return ast.copy_location(
ast.Call(func=ast.Name("int64", ast.Load()),
args=[node],
keywords=[], starargs=[], kwargs=[]), node)
keywords=[], starargs=[], kwargs=[]),
node)
class _TimeLowerer(ast.NodeTransformer):
def visit_Call(self, node):
@ -19,11 +22,13 @@ class _TimeLowerer(ast.NodeTransformer):
def visit_Expr(self, node):
self.generic_visit(node)
if isinstance(node.value, ast.Call) and isinstance(node.value.func, ast.Name):
if (isinstance(node.value, ast.Call)
and isinstance(node.value.func, ast.Name)):
funcname = node.value.func.id
if funcname == "delay":
return ast.copy_location(
ast.AugAssign(target=ast.Name("now", ast.Store()), op=ast.Add(),
ast.AugAssign(target=ast.Name("now", ast.Store()),
op=ast.Add(),
value=_insert_int64(node.value.args[0])),
node)
elif funcname == "at":
@ -36,8 +41,10 @@ class _TimeLowerer(ast.NodeTransformer):
else:
return node
def lower_time(funcdef, initial_time):
_TimeLowerer().visit(funcdef)
funcdef.body.insert(0, ast.copy_location(
ast.Assign(targets=[ast.Name("now", ast.Store())], value=value_to_ast(int64(initial_time))),
ast.Assign(targets=[ast.Name("now", ast.Store())],
value=value_to_ast(int64(initial_time))),
funcdef))

9
artiq/compiler/lower_units.py
View File

@ -3,6 +3,7 @@ import ast
from artiq.compiler.tools import value_to_ast
from artiq.language import units
# TODO:
# * track variable and expression dimensions
# * raise exception on dimension errors in expressions
@ -28,7 +29,9 @@ class _UnitsLowerer(ast.NodeTransformer):
node = node.args[0]
else:
node = ast.copy_location(
ast.BinOp(left=node.args[0], op=ast.Div(), right=value_to_ast(self.ref_period)),
ast.BinOp(left=node.args[0],
op=ast.Div(),
right=value_to_ast(self.ref_period)),
node)
else:
node = node.args[0]
@ -36,7 +39,9 @@ class _UnitsLowerer(ast.NodeTransformer):
self.generic_visit(node)
return node
def lower_units(funcdef, ref_period):
if not isinstance(ref_period, units.Quantity) or ref_period.unit is not units.s_unit:
if (not isinstance(ref_period, units.Quantity)
or ref_period.unit is not units.s_unit):
raise units.DimensionError("Reference period not expressed in seconds")
_UnitsLowerer(ref_period.amount).visit(funcdef)

13
artiq/compiler/tools.py
View File

@ -4,6 +4,7 @@ from fractions import Fraction
from artiq.language import core as core_language
from artiq.language import units
def eval_ast(expr, symdict=dict()):
if not isinstance(expr, ast.Expression):
expr = ast.copy_location(ast.Expression(expr), expr)
@ -11,6 +12,7 @@ def eval_ast(expr, symdict=dict()):
code = compile(expr, "<ast>", "eval")
return eval(code, symdict)
def value_to_ast(value):
if isinstance(value, core_language.int64): # must be before int
return ast.Call(
@ -20,7 +22,8 @@ def value_to_ast(value):
elif isinstance(value, int):
return ast.Num(value)
elif isinstance(value, Fraction):
return ast.Call(func=ast.Name("Fraction", ast.Load()),
return ast.Call(
func=ast.Name("Fraction", ast.Load()),
args=[ast.Num(value.numerator), ast.Num(value.denominator)],
keywords=[], starargs=None, kwargs=None)
elif isinstance(value, str):
@ -32,13 +35,16 @@ def value_to_ast(value):
if isinstance(value, units.Quantity):
return ast.Call(
func=ast.Name("Quantity", ast.Load()),
args=[value_to_ast(value.amount), ast.Name(value.unit.name+"_unit", ast.Load())],
args=[value_to_ast(value.amount),
ast.Name(value.unit.name+"_unit", ast.Load())],
keywords=[], starargs=None, kwargs=None)
return None
class NotConstant(Exception):
pass
def eval_constant(node):
if isinstance(node, ast.Num):
return node.n
@ -47,7 +53,8 @@ def eval_constant(node):
elif isinstance(node, ast.Call):
funcname = node.func.id
if funcname == "Fraction":
numerator, denominator = eval_constant(node.args[0]), eval_constant(node.args[1])
numerator = eval_constant(node.args[0])
denominator = eval_constant(node.args[1])
return Fraction(numerator, denominator)
elif funcname == "Quantity":
amount, unit = node.args

116
artiq/compiler/unparse.py
View File

@ -1,11 +1,12 @@
import sys
import ast
import os
# Large float and imaginary literals get turned into infinities in the AST.
# We unparse those infinities to INFSTR.
INFSTR = "1e" + repr(sys.float_info.max_10_exp + 1)
def interleave(inter, f, seq):
"""Call f on each item in seq, calling inter() in between.
"""
@ -19,12 +20,13 @@ def interleave(inter, f, seq):
inter()
f(x)
class Unparser:
"""Methods in this class recursively traverse an AST and
output source code for the abstract syntax; original formatting
is disregarded. """
def __init__(self, tree, file = sys.stdout):
def __init__(self, tree, file=sys.stdout):
"""Unparser(tree, file=sys.stdout) -> None.
Print the source for tree to file."""
self.f = file
@ -33,7 +35,7 @@ class Unparser:
print("", file=self.f)
self.f.flush()
def fill(self, text = ""):
def fill(self, text=""):
"Indent a piece of text, according to the current indentation level"
self.f.write("\n"+" "*self._indent + text)
@ -59,13 +61,12 @@ class Unparser:
meth = getattr(self, "_"+tree.__class__.__name__)
meth(tree)
############### Unparsing methods ######################
# There should be one method per concrete grammar type #
# Constructors should be grouped by sum type. Ideally, #
# this would follow the order in the grammar, but #
# currently doesn't. #
########################################################
# Unparsing methods
#
# There should be one method per concrete grammar type
# Constructors should be grouped by sum type. Ideally,
# this would follow the order in the grammar, but
# currently doesn't.
def _Module(self, tree):
for stmt in tree.body:
@ -201,21 +202,29 @@ class Unparser:
self.write("(")
comma = False
for e in t.bases:
if comma: self.write(", ")
else: comma = True
if comma:
self.write(", ")
else:
comma = True
self.dispatch(e)
for e in t.keywords:
if comma: self.write(", ")
else: comma = True
if comma:
self.write(", ")
else:
comma = True
self.dispatch(e)
if t.starargs:
if comma: self.write(", ")
else: comma = True
if comma:
self.write(", ")
else:
comma = True
self.write("*")
self.dispatch(t.starargs)
if t.kwargs:
if comma: self.write(", ")
else: comma = True
if comma:
self.write(", ")
else:
comma = True
self.write("**")
self.dispatch(t.kwargs)
self.write(")")
@ -372,6 +381,7 @@ class Unparser:
def _Dict(self, t):
self.write("{")
def write_pair(pair):
(k, v) = pair
self.dispatch(k)
@ -390,7 +400,8 @@ class Unparser:
interleave(lambda: self.write(", "), self.dispatch, t.elts)
self.write(")")
unop = {"Invert":"~", "Not": "not", "UAdd":"+", "USub":"-"}
unop = {"Invert": "~", "Not": "not", "UAdd": "+", "USub": "-"}
def _UnaryOp(self, t):
self.write("(")
self.write(self.unop[t.op.__class__.__name__])
@ -398,9 +409,11 @@ class Unparser:
self.dispatch(t.operand)
self.write(")")
binop = { "Add":"+", "Sub":"-", "Mult":"*", "Div":"/", "Mod":"%",
"LShift":"<<", "RShift":">>", "BitOr":"|", "BitXor":"^", "BitAnd":"&",
"FloorDiv":"//", "Pow": "**"}
binop = {"Add": "+", "Sub": "-", "Mult": "*", "Div": "/", "Mod": "%",
"LShift": "<<", "RShift": ">>",
"BitOr": "|", "BitXor": "^", "BitAnd": "&",
"FloorDiv": "//", "Pow": "**"}
def _BinOp(self, t):
self.write("(")
self.dispatch(t.left)
@ -408,8 +421,10 @@ class Unparser:
self.dispatch(t.right)
self.write(")")
cmpops = {"Eq":"==", "NotEq":"!=", "Lt":"<", "LtE":"<=", "Gt":">", "GtE":">=",
"Is":"is", "IsNot":"is not", "In":"in", "NotIn":"not in"}
cmpops = {"Eq": "==", "NotEq": "!=",
"Lt": "<", "LtE": "<=", "Gt": ">", "GtE": ">=",
"Is": "is", "IsNot": "is not", "In": "in", "NotIn": "not in"}
def _Compare(self, t):
self.write("(")
self.dispatch(t.left)
@ -418,14 +433,15 @@ class Unparser:
self.dispatch(e)
self.write(")")
boolops = {ast.And: 'and', ast.Or: 'or'}
boolops = {ast.And: "and", ast.Or: "or"}
def _BoolOp(self, t):
self.write("(")
s = " %s " % self.boolops[t.op.__class__]
interleave(lambda: self.write(s), self.dispatch, t.values)
self.write(")")
def _Attribute(self,t):
def _Attribute(self, t):
self.dispatch(t.value)
# Special case: 3.__abs__() is a syntax error, so if t.value
# is an integer literal then we need to either parenthesize
@ -440,21 +456,29 @@ class Unparser:
self.write("(")
comma = False
for e in t.args:
if comma: self.write(", ")
else: comma = True
if comma:
self.write(", ")
else:
comma = True
self.dispatch(e)
for e in t.keywords:
if comma: self.write(", ")
else: comma = True
if comma:
self.write(", ")
else:
comma = True
self.dispatch(e)
if t.starargs:
if comma: self.write(", ")
else: comma = True
if comma:
self.write(", ")
else:
comma = True
self.write("*")
self.dispatch(t.starargs)
if t.kwargs:
if comma: self.write(", ")
else: comma = True
if comma:
self.write(", ")
else:
comma = True
self.write("**")
self.dispatch(t.kwargs)
self.write(")")
@ -502,8 +526,10 @@ class Unparser:
# normal arguments
defaults = [None] * (len(t.args) - len(t.defaults)) + t.defaults
for a, d in zip(t.args, defaults):
if first:first = False
else: self.write(", ")
if first:
first = False
else:
self.write(", ")
self.dispatch(a)
if d:
self.write("=")
@ -511,8 +537,10 @@ class Unparser:
# varargs, or bare '*' if no varargs but keyword-only arguments present
if t.vararg or t.kwonlyargs:
if first:first = False
else: self.write(", ")
if first:
first = False
else:
self.write(", ")
self.write("*")
if t.vararg:
self.write(t.vararg.arg)
@ -523,8 +551,10 @@ class Unparser:
# keyword-only arguments
if t.kwonlyargs:
for a, d in zip(t.kwonlyargs, t.kw_defaults):
if first:first = False
else: self.write(", ")
if first:
first = False
else:
self.write(", ")
self.dispatch(a),
if d:
self.write("=")
@ -532,8 +562,10 @@ class Unparser:
# kwargs
if t.kwarg:
if first:first = False
else: self.write(", ")
if first:
first = False
else:
self.write(", ")
self.write("**"+t.kwarg.arg)
if t.kwarg.annotation:
self.write(": ")

7
artiq/compiler/unroll_loops.py
View File

@ -2,6 +2,7 @@ import ast
from artiq.compiler.tools import eval_ast, value_to_ast
def _count_stmts(node):
if isinstance(node, (ast.For, ast.While, ast.If)):
return 1 + _count_stmts(node.body) + _count_stmts(node.orelse)
@ -12,6 +13,7 @@ def _count_stmts(node):
else:
return 1
class _LoopUnroller(ast.NodeTransformer):
def __init__(self, limit):
self.limit = limit
@ -32,7 +34,9 @@ class _LoopUnroller(ast.NodeTransformer):
replacement = None
break
replacement.append(ast.copy_location(
ast.Assign(targets=[node.target], value=value_to_ast(i)), node))
ast.Assign(targets=[node.target],
value=value_to_ast(i)),
node))
replacement += node.body
if replacement is not None:
return replacement
@ -43,5 +47,6 @@ class _LoopUnroller(ast.NodeTransformer):
else:
return node.orelse
def unroll_loops(node, limit):
_LoopUnroller(limit).visit(node)

1
artiq/devices/core.py
View File

@ -6,6 +6,7 @@ from artiq.compiler.interleave import interleave
from artiq.compiler.lower_time import lower_time
from artiq.compiler.ir import get_runtime_binary
class Core:
def __init__(self, core_com, runtime_env=None):
if runtime_env is None:

2
artiq/devices/corecom_dummy.py
View File

@ -3,6 +3,7 @@ from operator import itemgetter
from artiq.devices.runtime import LinkInterface
from artiq.language.units import ns
class _RuntimeEnvironment(LinkInterface):
def __init__(self, ref_period):
self.ref_period = ref_period
@ -10,6 +11,7 @@ class _RuntimeEnvironment(LinkInterface):
def emit_object(self):
return str(self.module)
class CoreCom:
def get_runtime_env(self):
return _RuntimeEnvironment(10*ns)

31
artiq/devices/corecom_serial.py
View File

@ -1,18 +1,24 @@
import os, termios, struct, zlib
import os
import termios
import struct
import zlib
from enum import Enum
from artiq.language import units
from artiq.devices.runtime import Environment
class UnsupportedDevice(Exception):
pass
class _MsgType(Enum):
REQUEST_IDENT = 0x01
LOAD_KERNEL = 0x02
KERNEL_FINISHED = 0x03
RPC_REQUEST = 0x04
def _write_exactly(f, data):
remaining = len(data)
pos = 0
@ -21,12 +27,14 @@ def _write_exactly(f, data):
remaining -= written
pos += written
def _read_exactly(f, n):
r = bytes()
while(len(r) < n):
r += f.read(n - len(r))
return r
class CoreCom:
def __init__(self, dev="/dev/ttyUSB1", baud=115200):
self._fd = os.open(dev, os.O_RDWR | os.O_NOCTTY)
@ -56,8 +64,10 @@ class CoreCom:
self.close()
def get_runtime_env(self):
_write_exactly(self.port, struct.pack(">lb", 0x5a5a5a5a, _MsgType.REQUEST_IDENT.value))
# FIXME: when loading immediately after a board reset, we erroneously get some zeros back.
_write_exactly(self.port, struct.pack(
">lb", 0x5a5a5a5a, _MsgType.REQUEST_IDENT.value))
# FIXME: when loading immediately after a board reset,
# we erroneously get some zeros back.
# Ignore them with a warning for now.
spurious_zero_count = 0
while True:
@ -67,7 +77,8 @@ class CoreCom:
else:
break
if spurious_zero_count:
print("Warning: received {} spurious zeros".format(spurious_zero_count))
print("Warning: received {} spurious zeros"
.format(spurious_zero_count))
runtime_id = chr(reply)
for i in range(3):
(reply, ) = struct.unpack("b", _read_exactly(self.port, 1))
@ -78,8 +89,10 @@ class CoreCom:
return Environment(ref_period*units.ps)
def run(self, kcode):
_write_exactly(self.port, struct.pack(">lblL",
0x5a5a5a5a, _MsgType.LOAD_KERNEL.value, len(kcode), zlib.crc32(kcode)))
_write_exactly(self.port, struct.pack(
">lblL",
0x5a5a5a5a, _MsgType.LOAD_KERNEL.value,
len(kcode), zlib.crc32(kcode)))
_write_exactly(self.port, kcode)
(reply, ) = struct.unpack("b", _read_exactly(self.port, 1))
if reply != 0x4f:
@ -101,10 +114,12 @@ class CoreCom:
if msg == _MsgType.KERNEL_FINISHED:
return
elif msg == _MsgType.RPC_REQUEST:
rpc_num, n_args = struct.unpack(">hb", _read_exactly(self.port, 3))
rpc_num, n_args = struct.unpack(">hb",
_read_exactly(self.port, 3))
args = []
for i in range(n_args):
args.append(*struct.unpack(">l", _read_exactly(self.port, 4)))
args.append(*struct.unpack(">l",
_read_exactly(self.port, 4)))
r = rpc_map[rpc_num](*args)
if r is None:
r = 0

4
artiq/devices/dds_core.py
View File

@ -1,6 +1,7 @@
from artiq.language.core import *
from artiq.language.units import *
class DDS(AutoContext):
parameters = "dds_sysclk reg_channel rtio_channel"
@ -13,7 +14,8 @@ class DDS(AutoContext):
def pulse(self, frequency, duration):
if self._previous_frequency != frequency:
syscall("rtio_sync", self.rtio_channel) # wait until output is off
syscall("dds_program", self.reg_channel, int(2**32*frequency/self.dds_sysclk))
syscall("dds_program", self.reg_channel,
int(2**32*frequency/self.dds_sysclk))
self._previous_frequency = frequency
syscall("rtio_set", now(), self.rtio_channel, 1)
delay(duration)

1
artiq/devices/gpio_core.py
View File

@ -1,5 +1,6 @@
from artiq.language.core import *
class GPIOOut(AutoContext):
parameters = "channel"

11
artiq/devices/runtime.py
View File

@ -3,6 +3,7 @@ from llvm import target as lt
from artiq.compiler import ir_values
lt.initialize_all()
_syscalls = {
@ -25,6 +26,7 @@ _chr_to_value = {
"I": lambda: ir_values.VInt(64)
}
def _str_to_functype(s):
assert(s[-2] == ":")
type_ret = _chr_to_type[s[-1]]()
@ -37,7 +39,10 @@ def _str_to_functype(s):
var_arg_fixcount = n
else:
type_args.append(_chr_to_type[c]())
return var_arg_fixcount, lc.Type.function(type_ret, type_args, var_arg=var_arg_fixcount is not None)
return (var_arg_fixcount,
lc.Type.function(type_ret, type_args,
var_arg=var_arg_fixcount is not None))
class LinkInterface:
def init_module(self, module):
@ -58,10 +63,12 @@ class LinkInterface:
args = args[:fixcount] \
+ [lc.Constant.int(lc.Type.int(), len(args) - fixcount)] \
+ args[fixcount:]
llvm_function = self.module.get_function_named("__syscall_"+syscall_name)
llvm_function = self.module.get_function_named(
"__syscall_" + syscall_name)
r.set_ssa_value(builder, builder.call(llvm_function, args))
return r
class Environment(LinkInterface):
def __init__(self, ref_period):
self.ref_period = ref_period

1
artiq/devices/ttl_core.py
View File

@ -1,5 +1,6 @@
from artiq.language.core import *
class TTLOut(AutoContext):
parameters = "channel"

37
artiq/language/core.py
View File

@ -3,6 +3,7 @@ from fractions import Fraction
from artiq.language import units
class int64(int):
pass
@ -14,8 +15,7 @@ def _make_int64_op_method(int_method):
return r
return method
for _op_name in (
"neg", "pos", "abs", "invert", "round",
for _op_name in ("neg", "pos", "abs", "invert", "round",
"add", "radd", "sub", "rsub", "mul", "rmul", "pow", "rpow",
"lshift", "rlshift", "rshift", "rrshift",
"and", "rand", "xor", "rxor", "or", "ror",
@ -24,18 +24,21 @@ for _op_name in (
orig_method = getattr(int, method_name)
setattr(int64, method_name, _make_int64_op_method(orig_method))
for _op_name in (
"add", "sub", "mul", "floordiv", "mod",
for _op_name in ("add", "sub", "mul", "floordiv", "mod",
"pow", "lshift", "rshift", "lshift",
"and", "xor", "or"):
op_method = getattr(int, "__" + _op_name + "__")
setattr(int64, "__i" + _op_name + "__", _make_int64_op_method(op_method))
def round64(x):
return int64(round(x))
def _make_kernel_ro(value):
return isinstance(value, (bool, int, int64, float, Fraction, units.Quantity))
return isinstance(
value, (bool, int, int64, float, Fraction, units.Quantity))
class AutoContext:
parameters = ""
@ -76,25 +79,31 @@ class AutoContext:
""" Overload this function to add sub-experiments"""
pass
KernelFunctionInfo = namedtuple("KernelFunctionInfo", "core_name k_function")
def kernel(arg):
if isinstance(arg, str):
def real_decorator(k_function):
def run_on_core(exp, *k_args, **k_kwargs):
getattr(exp, arg).run(k_function, ((exp,) + k_args), k_kwargs)
run_on_core.k_function_info = KernelFunctionInfo(core_name=arg, k_function=k_function)
run_on_core.k_function_info = KernelFunctionInfo(
core_name=arg, k_function=k_function)
return run_on_core
return real_decorator
else:
def run_on_core(exp, *k_args, **k_kwargs):
exp.core.run(arg, ((exp,) + k_args), k_kwargs)
run_on_core.k_function_info = KernelFunctionInfo(core_name="core", k_function=arg)
run_on_core.k_function_info = KernelFunctionInfo(
core_name="core", k_function=arg)
return run_on_core
class _DummyTimeManager:
def _not_implemented(self, *args, **kwargs):
raise NotImplementedError("Attempted to interpret kernel without a time manager")
raise NotImplementedError(
"Attempted to interpret kernel without a time manager")
enter_sequential = _not_implemented
enter_parallel = _not_implemented
@ -105,16 +114,20 @@ class _DummyTimeManager:
_time_manager = _DummyTimeManager()
def set_time_manager(time_manager):
global _time_manager
_time_manager = time_manager
class _DummySyscallManager:
def do(self, *args):
raise NotImplementedError("Attempted to interpret kernel without a syscall manager")
raise NotImplementedError(
"Attempted to interpret kernel without a syscall manager")
_syscall_manager = _DummySyscallManager()
def set_syscall_manager(syscall_manager):
global _syscall_manager
_syscall_manager = syscall_manager
@ -123,6 +136,7 @@ def set_syscall_manager(syscall_manager):
kernel_globals = "sequential", "parallel", "delay", "now", "at", "syscall"
class _Sequential:
def __enter__(self):
_time_manager.enter_sequential()
@ -131,6 +145,7 @@ class _Sequential:
_time_manager.exit()
sequential = _Sequential()
class _Parallel:
def __enter__(self):
_time_manager.enter_parallel()
@ -139,14 +154,18 @@ class _Parallel:
_time_manager.exit()
parallel = _Parallel()
def delay(duration):
_time_manager.take_time(duration)
def now():
return _time_manager.get_time()
def at(time):
_time_manager.set_time(time)
def syscall(*args):
return _syscall_manager.do(*args)

25
artiq/language/units.py
View File

@ -1,14 +1,17 @@
from collections import namedtuple
from fractions import Fraction
_prefixes_str = "pnum_kMG"
_smallest_prefix = Fraction(1, 10**12)
Unit = namedtuple("Unit", "name")
class DimensionError(Exception):
pass
class Quantity:
def __init__(self, amount, unit):
self.amount = amount
@ -32,14 +35,17 @@ class Quantity:
else:
return str(r_amount) + " " + self.unit.name
# mul/div
def __mul__(self, other):
if isinstance(other, Quantity):
return NotImplemented
return Quantity(self.amount*other, self.unit)
def __rmul__(self, other):
if isinstance(other, Quantity):
return NotImplemented
return Quantity(other*self.amount, self.unit)
def __truediv__(self, other):
if isinstance(other, Quantity):
if other.unit == self.unit:
@ -48,6 +54,7 @@ class Quantity:
return NotImplemented
else:
return Quantity(self.amount/other, self.unit)
def __floordiv__(self, other):
if isinstance(other, Quantity):
if other.unit == self.unit:
@ -57,55 +64,65 @@ class Quantity:
else:
return Quantity(self.amount//other, self.unit)
# unary ops
def __neg__(self):
return Quantity(-self.amount, self.unit)
def __pos__(self):
return Quantity(self.amount, self.unit)
# add/sub
def __add__(self, other):
if self.unit != other.unit:
raise DimensionError
return Quantity(self.amount + other.amount, self.unit)
def __radd__(self, other):
if self.unit != other.unit:
raise DimensionError
return Quantity(other.amount + self.amount, self.unit)
def __sub__(self, other):
if self.unit != other.unit:
raise DimensionError
return Quantity(self.amount - other.amount, self.unit)
def __rsub__(self, other):
if self.unit != other.unit:
raise DimensionError
return Quantity(other.amount - self.amount, self.unit)
# comparisons
def __lt__(self, other):
if self.unit != other.unit:
raise DimensionError
return self.amount < other.amount
def __le__(self, other):
if self.unit != other.unit:
raise DimensionError
return self.amount <= other.amount
def __eq__(self, other):
if self.unit != other.unit:
raise DimensionError
return self.amount == other.amount
def __ne__(self, other):
if self.unit != other.unit:
raise DimensionError
return self.amount != other.amount
def __gt__(self, other):
if self.unit != other.unit:
raise DimensionError
return self.amount > other.amount
def __ge__(self, other):
if self.unit != other.unit:
raise DimensionError
return self.amount >= other.amount
def check_unit(value, unit):
if not isinstance(value, Quantity) or value.unit != unit:
raise DimensionError
return value.amount
def _register_unit(name, prefixes):
unit = Unit(name)

4
artiq/sim/devices.py
View File

@ -4,10 +4,12 @@ from artiq.language.core import AutoContext, delay
from artiq.language import units
from artiq.sim import time
class Core:
def run(self, k_function, k_args, k_kwargs):
return k_function(*k_args, **k_kwargs)
class Input(AutoContext):
parameters = "name"
implicit_core = False
@ -26,6 +28,7 @@ class Input(AutoContext):
delay(duration)
return result
class WaveOutput(AutoContext):
parameters = "name"
implicit_core = False
@ -34,6 +37,7 @@ class WaveOutput(AutoContext):
time.manager.event(("pulse", self.name, frequency, duration))
delay(duration)
class VoltageOutput(AutoContext):
parameters = "name"
implicit_core = False

3
artiq/sim/time.py
View File

@ -3,6 +3,7 @@ from operator import itemgetter
from artiq.language.units import *
from artiq.language import core as core_language
class SequentialTimeContext:
def __init__(self, current_time):
self.current_time = current_time
@ -12,6 +13,7 @@ class SequentialTimeContext:
self.current_time += amount
self.block_duration += amount
class ParallelTimeContext:
def __init__(self, current_time):
self.current_time = current_time
@ -21,6 +23,7 @@ class ParallelTimeContext:
if amount > self.block_duration:
self.block_duration = amount
class Manager:
def __init__(self):
self.stack = [SequentialTimeContext(0*s)]

5
examples/al_spectroscopy.py
View File

@ -1,6 +1,7 @@
from artiq.language.units import *
from artiq.language.core import *
class AluminumSpectroscopy(AutoContext):
parameters = "mains_sync laser_cooling spectroscopy spectroscopy_b state_detection pmt \
spectroscopy_freq photon_limit_low photon_limit_high"
@ -24,12 +25,14 @@ class AluminumSpectroscopy(AutoContext):
with parallel:
self.state_detection.pulse(100*MHz, 10*us)
photon_count = self.pmt.count_gate(10*us)
if photon_count < self.photon_limit_low or photon_count > self.photon_limit_high:
if (photon_count < self.photon_limit_low
or photon_count > self.photon_limit_high):
break
if photon_count < self.photon_limit_low:
state_0_count += 1
return state_0_count
if __name__ == "__main__":
from artiq.sim import devices as sd
from artiq.sim import time

15
examples/compiler_test.py
View File

@ -1,8 +1,10 @@
from artiq.language.units import *
from artiq.language.core import *
my_range = range
class CompilerTest(AutoContext):
parameters = "a b A B"
@ -27,15 +29,20 @@ class CompilerTest(AutoContext):
self.B.pulse(100*MHz, t2)
self.print_done()
if __name__ == "__main__":
from artiq.devices import corecom_dummy, core, dds_core
coredev = core.Core(corecom_dummy.CoreCom())
exp = CompilerTest(
core=coredev,
a=dds_core.DDS(core=coredev, dds_sysclk=1*GHz, reg_channel=0, rtio_channel=0),
b=dds_core.DDS(core=coredev, dds_sysclk=1*GHz, reg_channel=1, rtio_channel=1),
A=dds_core.DDS(core=coredev, dds_sysclk=1*GHz, reg_channel=2, rtio_channel=2),
B=dds_core.DDS(core=coredev, dds_sysclk=1*GHz, reg_channel=3, rtio_channel=3)
a=dds_core.DDS(core=coredev, dds_sysclk=1*GHz,
reg_channel=0, rtio_channel=0),
b=dds_core.DDS(core=coredev, dds_sysclk=1*GHz,
reg_channel=1, rtio_channel=1),
A=dds_core.DDS(core=coredev, dds_sysclk=1*GHz,
reg_channel=2, rtio_channel=2),
B=dds_core.DDS(core=coredev, dds_sysclk=1*GHz,
reg_channel=3, rtio_channel=3)
)
exp.run(3, 100*us)

2
examples/coredev_test.py
View File

@ -1,6 +1,7 @@
from artiq.language.core import AutoContext, kernel
from artiq.devices import corecom_serial, core, gpio_core
class CompilerTest(AutoContext):
parameters = "led"
@ -27,6 +28,7 @@ class CompilerTest(AutoContext):
x += 1
self.led.set(0)
if __name__ == "__main__":
with corecom_serial.CoreCom() as com:
coredev = core.Core(com)

14
examples/dds_test.py
View File

@ -2,6 +2,7 @@ from artiq.language.units import *
from artiq.language.core import *
from artiq.devices import corecom_serial, core, dds_core, gpio_core
class DDSTest(AutoContext):
parameters = "a b c d led"
@ -23,15 +24,20 @@ class DDSTest(AutoContext):
i += 1
self.led.set(0)
if __name__ == "__main__":
with corecom_serial.CoreCom() as com:
coredev = core.Core(com)
exp = DDSTest(
core=coredev,
a=dds_core.DDS(core=coredev, dds_sysclk=1*GHz, reg_channel=0, rtio_channel=0),
b=dds_core.DDS(core=coredev, dds_sysclk=1*GHz, reg_channel=1, rtio_channel=1),
c=dds_core.DDS(core=coredev, dds_sysclk=1*GHz, reg_channel=2, rtio_channel=2),
d=dds_core.DDS(core=coredev, dds_sysclk=1*GHz, reg_channel=3, rtio_channel=3),
a=dds_core.DDS(core=coredev, dds_sysclk=1*GHz,
reg_channel=0, rtio_channel=0),
b=dds_core.DDS(core=coredev, dds_sysclk=1*GHz,
reg_channel=1, rtio_channel=1),
c=dds_core.DDS(core=coredev, dds_sysclk=1*GHz,
reg_channel=2, rtio_channel=2),
d=dds_core.DDS(core=coredev, dds_sysclk=1*GHz,
reg_channel=3, rtio_channel=3),
led=gpio_core.GPIOOut(core=coredev, channel=1)
)
exp.run()

2
examples/simple_simulation.py
View File

@ -1,6 +1,7 @@
from artiq.language.units import *
from artiq.language.core import *
class SimpleSimulation(AutoContext):
parameters = "a b c d"
@ -14,6 +15,7 @@ class SimpleSimulation(AutoContext):
self.c.pulse(300*MHz, 10*us)
self.d.pulse(400*MHz, 20*us)
if __name__ == "__main__":
from artiq.sim import devices as sd
from artiq.sim import time

3
examples/time_test.py
View File

@ -2,6 +2,7 @@ from artiq.language.units import *
from artiq.language.core import *
from artiq.devices import corecom_serial, core
class DummyPulse(AutoContext):
parameters = "name"
@ -17,6 +18,7 @@ class DummyPulse(AutoContext):
delay(duration)
self.print_off(int(now()))
class TimeTest(AutoContext):
parameters = "a b c d"
@ -33,6 +35,7 @@ class TimeTest(AutoContext):
self.d.pulse(400+i, 20*us)
i += 1
if __name__ == "__main__":
with corecom_serial.CoreCom() as com:
coredev = core.Core(com)

7
soc/artiqlib/ad9858/__init__.py
View File

@ -4,6 +4,7 @@ from migen.bus import wishbone
from migen.bus.transactions import *
from migen.sim.generic import run_simulation
class AD9858(Module):
"""Wishbone interface to the AD9858 DDS chip.
@ -37,7 +38,7 @@ class AD9858(Module):
bus = wishbone.Interface()
self.bus = bus
###
# # #
dts = TSTriple(8)
self.specials += dts.get_tristate(pads.d)
@ -157,6 +158,7 @@ class AD9858(Module):
NextState("IDLE")
)
def _test_gen():
# Test external bus writes
yield TWrite(4, 2)
@ -173,6 +175,7 @@ def _test_gen():
yield TWrite(65, 0xff)
yield
class _TestPads:
def __init__(self):
self.a = Signal(6)
@ -184,6 +187,7 @@ class _TestPads:
self.rd_n = Signal()
self.rst_n = Signal()
class _TB(Module):
def __init__(self):
pads = _TestPads()
@ -191,5 +195,6 @@ class _TB(Module):
self.submodules.initiator = wishbone.Initiator(_test_gen())
self.submodules.interconnect = wishbone.InterconnectPointToPoint(self.initiator.bus, self.dut.bus)
if __name__ == "__main__":
run_simulation(_TB(), vcd_name="ad9858.vcd")

5
soc/artiqlib/rtio/core.py
View File

@ -5,6 +5,7 @@ from migen.genlib.cdc import MultiReg
from artiqlib.rtio.rbus import get_fine_ts_width
class _RTIOBankO(Module):
def __init__(self, rbus, counter_width, fine_ts_width, fifo_depth, counter_init):
self.sel = Signal(max=len(rbus))
@ -15,7 +16,7 @@ class _RTIOBankO(Module):
self.underflow = Signal()
self.level = Signal(bits_for(fifo_depth))
###
# # #
counter = Signal(counter_width, reset=counter_init)
self.sync += [
@ -53,6 +54,7 @@ class _RTIOBankO(Module):
selfifo = Array(fifos)[self.sel]
self.comb += self.writable.eq(selfifo.writable), self.level.eq(selfifo.level)
class _RTIOBankI(Module):
def __init__(self, rbus, counter_width, fine_ts_width, fifo_depth):
self.sel = Signal(max=len(rbus))
@ -116,6 +118,7 @@ class _RTIOBankI(Module):
self.overflow.eq(Array(overflows)[self.sel])
]
class RTIO(Module, AutoCSR):
def __init__(self, phy, counter_width=32, ofifo_depth=8, ififo_depth=8):
fine_ts_width = get_fine_ts_width(phy.rbus)

3
soc/artiqlib/rtio/phy.py
View File

@ -3,12 +3,13 @@ from migen.genlib.cdc import MultiReg
from artiqlib.rtio.rbus import create_rbus
class SimplePHY(Module):
def __init__(self, pads, output_only_pads=set()):
self.rbus = create_rbus(0, pads, output_only_pads)
self.loopback_latency = 3
###
# # #
for pad, chif in zip(pads, self.rbus):
o_pad = Signal()