feat: improving http parser with simd isa(now support sse4.2 and avx2) #376
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next feature I want to optimize memcpy function by modeled on dpdk. |
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Nice, please also add benchmark code. |
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I will test it later. |
test code and details in there on github. I found a weird condition.when header's suffix is hpp benchmark performance will be better.Maybe we should change picohttpparser.h to picohttpparser.hpp. |
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Please add note: how to use these macros. |
add notes. |
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qicosmos
reviewed
Jul 25, 2023
| 使用如下命令即可编译带simd优化的cinatra。 | ||
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| ```shell | ||
| cmake -DENABLE_SIMD=SSE42 .. # 启用sse4.2指令集 |
feat: add notes for isa
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benchmark in 11th Gen Intel(R) Core(TM) i7-11700 @ 2.50GHz:
all use o3 flag.and parse http string 5000000 times.
without simd parser http : Elapsed 4.782222 seconds.
with sse4.2: Elapsed 1.650459 seconds.
with avx2: Elapsed 3.895595 seconds.
In fact, High-end devices avx2 instruction set will perform better.