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# Inter-thread Communication Benchmark
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This code tests the best way to collaborate between threads
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## Platform tested:
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- Windows (MSVC, gcc-12.2, WSL-gcc11.2, WSL-clang-14)
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- macOS (clang-13, gcc-12.2)
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- Linux (gcc-12.1, gcc-11.3, clang-12)
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- arm64 Linux (gcc-12.1, clang-12)
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## Method tested:
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- C++20 std::semaphores
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- Native semaphores
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- Condition Variables
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- Busy waiting (spinlock) with or without delay
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## Results:
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```
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macOS linux win, msc win, gcc
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cv 6000 10000 700 26000
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busy 360 300 550 300
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nsmph 600 4418 6000 1200
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smph 240 1000/dl 660 dl
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```
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Bug on g++ 12.2.0 might cause deadlock, see: gcc12.2.0deadlockbug.cpp
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