HTTPHeadersBenchmark.cpp File Reference

#include <algorithm>
#include <folly/Benchmark.h>
#include <proxygen/lib/http/HTTPCommonHeaders.h>

Go to the source code of this file.

Functions
void	HTTPCommonHeadersHashBench (int iters)
void	HTTPCommonHeadersGetHeaderCodeFromTableCommonHeaderNameBench (int iters)
	BENCHMARK (HTTPCommonHeadersHash, iters)
	BENCHMARK (HTTPCommonHeadersGetHeaderCodeFromTableCommonHeaderName, iters)
void	memchrBench (int iters)
void	stdFindBench (int iters)
	BENCHMARK (memchr, iters)
	BENCHMARK (stdFind, iters)
int	main (int argc, char **argv)

Function Documentation

BENCHMARK	(	HTTPCommonHeadersHash	,
		iters
	)

Definition at line 78 of file HTTPHeadersBenchmark.cpp.

References HTTPCommonHeadersHashBench().

                                        {
  HTTPCommonHeadersHashBench(iters);
}

BENCHMARK	(	HTTPCommonHeadersGetHeaderCodeFromTableCommonHeaderName	,
		iters
	)

Definition at line 82 of file HTTPHeadersBenchmark.cpp.

References HTTPCommonHeadersGetHeaderCodeFromTableCommonHeaderNameBench().

                                                                          {
  HTTPCommonHeadersGetHeaderCodeFromTableCommonHeaderNameBench(iters);
}

BENCHMARK	(	memchr	,
		iters
	)

Definition at line 112 of file HTTPHeadersBenchmark.cpp.

References memchrBench().

                         {
  memchrBench(iters);
}

BENCHMARK	(	stdFind	,
		iters
	)

Definition at line 116 of file HTTPHeadersBenchmark.cpp.

References stdFindBench().

                          {
  stdFindBench(iters);
}

void HTTPCommonHeadersGetHeaderCodeFromTableCommonHeaderNameBench

(

int

iters

)

Definition at line 68 of file HTTPHeadersBenchmark.cpp.

References proxygen::HTTPHeaderCodeCommonOffset, i, proxygen::TABLE_CAMELCASE, and uint64_t.

Referenced by BENCHMARK().

                                                                             {
  for (int i = 0; i < iters; ++i) {
    for (uint64_t j = HTTPHeaderCodeCommonOffset;
         j < HTTPCommonHeaders::num_header_codes; ++j) {
      HTTPCommonHeaders::getHeaderCodeFromTableCommonHeaderName(
        &testHeaderNames[j], TABLE_CAMELCASE);
    }
  }
}

void HTTPCommonHeadersHashBench

(

int

iters

)

Definition at line 60 of file HTTPHeadersBenchmark.cpp.

References i.

Referenced by BENCHMARK().

                                           {
  for (int i = 0; i < iters; ++i) {
    for (auto const& testHeaderString: testHeaderStrings) {
      HTTPCommonHeaders::hash(*testHeaderString);
    }
  }
}

int main	(	int	argc,
		char **	argv
	)

Definition at line 120 of file HTTPHeadersBenchmark.cpp.

References folly::runBenchmarks().

                                {
  gflags::ParseCommandLineFlags(&argc, &argv, true);
  folly::runBenchmarks();
  return 0;
}

void memchrBench

(

int

iters

)

Definition at line 86 of file HTTPHeadersBenchmark.cpp.

References proxygen::HTTPHeaderCodeCommonOffset, i, and uint64_t.

Referenced by BENCHMARK().

                            {
  for (int i = 0; i < iters; ++i) {
    for (uint64_t j = HTTPHeaderCodeCommonOffset;
         j < HTTPCommonHeaders::num_header_codes; ++j) {
      CHECK(
        memchr(
          (void*)testHeaderCodes.data(), static_cast<HTTPHeaderCode>(j),
          testHeaderCodes.size()) != nullptr);
    }
  }
}

void stdFindBench

(

int

iters

)

Definition at line 98 of file HTTPHeadersBenchmark.cpp.

References proxygen::HTTPHeaderCodeCommonOffset, i, and uint64_t.

Referenced by BENCHMARK().

                             {
  for (int i = 0; i < iters; ++i) {
    for (uint64_t j = HTTPHeaderCodeCommonOffset;
         j < HTTPCommonHeaders::num_header_codes; ++j) {
      auto address = HTTPCommonHeaders::getPointerToHeaderName(
        static_cast<HTTPHeaderCode>(j));
      CHECK(
        std::find(
          testHeaderStrings.begin(), testHeaderStrings.end(), address) !=
            testHeaderStrings.end());
    }
  }
}