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Add a performance measurement testbench.

This commit is contained in:
whitequark 2015-07-29 21:17:52 +03:00
parent e8c107925c
commit 3b5d3e2b1a
1 changed files with 33 additions and 0 deletions

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import sys, os, time
from pythonparser import diagnostic
from .. import Module
from ..targets import OR1KTarget
def main():
if not len(sys.argv) > 1:
print("Expected at least one module filename", file=sys.stderr)
exit(1)
def process_diagnostic(diag):
print("\n".join(diag.render()), file=sys.stderr)
if diag.level in ("fatal", "error"):
exit(1)
engine = diagnostic.Engine()
engine.process = process_diagnostic
modules = []
for filename in sys.argv[1:]:
modules.append(Module.from_filename(filename, engine=engine))
runs = 100
start = time.perf_counter()
for _ in range(runs):
llobj = OR1KTarget().compile_and_link(modules)
end = time.perf_counter()
print("{} compilation runs: {:.2f}s, {:.2f}ms/run".format(
runs, end - start, (end - start) / runs * 1000))
if __name__ == "__main__":
main()