[libc++] Benchmark std::regex implemenations between libc++ and libstdc++

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[libc++] Benchmark std::regex implemenations between libc++ and libstdc++

Yvan Roux via cfe-dev
Hello.

Have anybody any benchmark results of std::regex between libc++ and
libstdc++ implementations? Has libc++ any automatic benchmarks for the
std::regex implementation?

Best regards,

Alexander Zaitsev

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Re: [libc++] Benchmark std::regex implemenations between libc++ and libstdc++

Yvan Roux via cfe-dev

On Sep 17, 2018, at 06:45, Aliaksandr Zaitsau via cfe-dev <[hidden email]> wrote:

Hello.

Have anybody any benchmark results of std::regex between libc++ and libstdc++ implementations? Has libc++ any automatic benchmarks for the std::regex implementation?

I don’t know of any libc++ benchmarks for std::regex. Looking at https://github.com/llvm-mirror/libcxx/tree/master/benchmarks, there doesn’t seem to be any.

Louis


Best regards,

Alexander Zaitsev

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Re: [libc++] Benchmark std::regex implemenations between libc++ and libstdc++

Yvan Roux via cfe-dev


On Sep 18, 2018, at 6:22 AM, Louis Dionne via cfe-dev <[hidden email]> wrote:


On Sep 17, 2018, at 06:45, Aliaksandr Zaitsau via cfe-dev <[hidden email]> wrote:

Hello.

Have anybody any benchmark results of std::regex between libc++ and libstdc++ implementations? Has libc++ any automatic benchmarks for the std::regex implementation?

I don’t know of any libc++ benchmarks for std::regex. Looking at https://github.com/llvm-mirror/libcxx/tree/master/benchmarks, there doesn’t seem to be any.

The WebKit team was working on a regex benchmark:

I expect browsers to perform much better than C++ implementations because they’ll JIT the regular expressions. It would be neat to use the same benchmarks to see the difference.


Louis


Best regards,

Alexander Zaitsev

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