forked from M-Labs/artiq
compiler/devices: set initial time
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cdda1beea8
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8769066e89
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@ -33,10 +33,10 @@ class _TimeLowerer(ast.NodeTransformer):
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else:
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return node
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def lower_time(stmts, ref_period):
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def lower_time(stmts, ref_period, initial_time):
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transformer = _TimeLowerer(ref_period)
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new_stmts = [transformer.visit(stmt) for stmt in stmts]
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new_stmts.insert(0, ast.copy_location(
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ast.Assign(targets=[ast.Name("now", ast.Store())], value=ast.Num(0)),
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ast.Assign(targets=[ast.Name("now", ast.Store())], value=ast.Num(initial_time)),
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stmts[0]))
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stmts[:] = new_stmts
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@ -17,7 +17,8 @@ class Core:
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fold_constants(stmts)
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unroll_loops(stmts, 50)
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interleave(stmts)
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lower_time(stmts, self.runtime_env.ref_period)
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lower_time(stmts, self.runtime_env.ref_period,
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getattr(self.runtime_env, "initial_time", 0))
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fold_constants(stmts)
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binary = get_runtime_binary(self.runtime_env, stmts)
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@ -49,6 +49,7 @@ class LinkInterface:
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class Environment(LinkInterface):
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def __init__(self, ref_period):
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self.ref_period = ref_period
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self.initial_time = 8000
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def emit_object(self):
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tm = lt.TargetMachine.new(triple="or1k", cpu="generic")
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@ -7,7 +7,6 @@ class TTLTest(MPO):
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@kernel
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def run(self):
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delay(10*us)
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i = 0
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while i < 100000:
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with parallel:
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