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Add absl::Hash to benchmark/unordered.cpp

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This commit is contained in:
Peter Dimov
2022-11-18 17:37:09 +02:00
parent bd5b7a359c
commit 5e26a3b807
1 changed files with 24 additions and 6 deletions
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30
benchmark/unordered.cpp
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@@ -9,6 +9,9 @@
#include <boost/core/detail/splitmix64.hpp>
#include <boost/core/type_name.hpp>
#include <boost/config.hpp>
#ifdef HAVE_ABSEIL
# include "absl/hash/hash.h"
#endif
#include <cstddef>
#include <cstdio>
#include <cstdint>
@@ -210,11 +213,11 @@ template<class H, class V> void test_hash_speed( int N, V const& v )
#if defined( _MSC_VER )
std::printf( "%25s : q=%20Iu, %lld ms\n", hash.c_str(), q, ms1 );
std::printf( "%53s : q=%20Iu, %lld ms\n", hash.c_str(), q, ms1 );
#else
std::printf( "%25s : q=%20zu, %lld ms\n", hash.c_str(), q, ms1 );
std::printf( "%53s : q=%20zu, %lld ms\n", hash.c_str(), q, ms1 );
#endif
}
@@ -235,11 +238,11 @@ template<class H, class V> void test_hash_collision( int N, V const& v, std::siz
#if defined( _MSC_VER )
std::printf( "%25s : c=%Iu\n", hash.c_str(), n - s.size() );
std::printf( "%53s : c=%Iu\n", hash.c_str(), n - s.size() );
#else
std::printf( "%25s : c=%zu\n", hash.c_str(), n - s.size() );
std::printf( "%53s : c=%zu\n", hash.c_str(), n - s.size() );
#endif
}
@@ -292,11 +295,11 @@ template<class V, class S> void test4( int N, V const& v, char const * hash, S s
#if defined( _MSC_VER )
std::printf( "%25s : n=%Iu, m=%Iu, c=%Iu, q=%Iu, %lld + %lld ms\n", hash, n, m, c, q, ms1, ms2 );
std::printf( "%53s : n=%Iu, m=%Iu, c=%Iu, q=%Iu, %4lld + %4lld = %4lld ms\n", hash, n, m, c, q, ms1, ms2, ms1 + ms2 );
#else
std::printf( "%25s : n=%zu, m=%zu, c=%zu, q=%zu, %lld + %lld ms\n", hash, n, m, c, q, ms1, ms2 );
std::printf( "%53s : n=%zu, m=%zu, c=%zu, q=%zu, %4lld + %4lld = %4lld ms\n", hash, n, m, c, q, ms1, ms2, ms1 + ms2 );
#endif
}
@@ -345,6 +348,9 @@ int main()
test_hash_speed<old_boost_hash>( N * 16, v );
test_hash_speed<boost::hash<std::string> >( N * 16, v );
test_hash_speed<std::hash<std::string> >( N * 16, v );
#ifdef HAVE_ABSEIL
test_hash_speed<absl::Hash<std::string> >( N * 16, v );
#endif
std::puts( "" );
@@ -370,6 +376,9 @@ int main()
test_hash_collision<old_boost_hash>( N * 16, v, n );
test_hash_collision<boost::hash<std::string> >( N * 16, v, n );
test_hash_collision<std::hash<std::string> >( N * 16, v, n );
#ifdef HAVE_ABSEIL
test_hash_collision<absl::Hash<std::string> >( N * 16, v, n );
#endif
}
std::puts( "" );
@@ -384,6 +393,15 @@ int main()
test_container_speed<K, old_boost_hash>( N, v );
test_container_speed<K, boost::hash<std::string> >( N, v );
test_container_speed<K, std::hash<std::string> >( N, v );
#ifdef HAVE_ABSEIL
test_container_speed<K, absl::Hash<std::string> >( N, v );
#endif
std::puts( "" );
}
#ifdef HAVE_ABSEIL
# include "absl/hash/internal/hash.cc"
# include "absl/hash/internal/low_level_hash.cc"
# include "absl/hash/internal/city.cc"
#endif