mirror of https://github.com/grpc/grpc.git
The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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33 lines
994 B
33 lines
994 B
5 years ago
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#!/usr/bin/env python3
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import json
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import subprocess
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import re
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def Run(cmd):
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subprocess.check_call(cmd, shell=True)
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def RunAgainstBranch(branch, outfile, runs=12):
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tmpfile = "/tmp/bench-output.json"
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Run("rm -rf {}".format(tmpfile))
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Run("git checkout {}".format(branch))
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Run("bazel build -c opt :benchmark")
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Run("./bazel-bin/benchmark --benchmark_out_format=json --benchmark_out={} --benchmark_repetitions={}".format(tmpfile, runs))
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with open(tmpfile) as f:
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bench_json = json.load(f)
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with open(outfile, "w") as f:
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for run in bench_json["benchmarks"]:
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name = re.sub(r'^BM_', 'Benchmark', run["name"])
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if name.endswith("_mean") or name.endswith("_median") or name.endswith("_stddev"):
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continue
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values = (name, run["iterations"], run["cpu_time"])
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print("{} {} {} ns/op".format(*values), file=f)
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RunAgainstBranch("master", "/tmp/old.txt")
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RunAgainstBranch("decoder", "/tmp/new.txt")
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Run("~/go/bin/benchstat /tmp/old.txt /tmp/new.txt")
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