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A benchmark for some elementary functions #3984

Merged
merged 4 commits into from
Apr 17, 2024
Merged

A benchmark for some elementary functions #3984

merged 4 commits into from
Apr 17, 2024

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pleroy
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@pleroy pleroy commented Apr 17, 2024

Output:

Run on (48 X 3793 MHz CPU s)
CPU Caches:
  L1 Data 32 KiB (x24)
  L1 Instruction 32 KiB (x24)
  L2 Unified 512 KiB (x24)
  L3 Unified 32768 KiB (x4)
------------------------------------------------------------------------------------------------------
Benchmark                                                            Time             CPU   Iterations
------------------------------------------------------------------------------------------------------
BM_EvaluateElementaryFunction<Metric::Latency, std::sin>          5.96 ns         6.00 ns    112000000
BM_EvaluateElementaryFunction<Metric::Throughput, std::sin>       4.04 ns         3.99 ns    172308000
BM_EvaluateElementaryFunction<Metric::Latency, std::cos>          6.84 ns         6.84 ns    112000000
BM_EvaluateElementaryFunction<Metric::Throughput, std::cos>       4.25 ns         4.24 ns    165926000

#1760.

eggrobin
eggrobin approved these changes Apr 17, 2024
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benchmarks/elementary_functions_benchmark.cpp Outdated
using Argument = double;

std::mt19937_64 random(42);
std::uniform_real_distribution<> uniformly_at(-10.0, 10.0);
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Change to [-1, 1] for consistency with the latency benchmark.

@eggrobin eggrobin added the LGTM label Apr 17, 2024
@pleroy pleroy merged commit f9a8d2e into mockingbirdnest:master Apr 17, 2024
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@eggrobin eggrobin eggrobin approved these changes

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@pleroy @eggrobin