sij/mapnik
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

add benchmark of utf 32->8 encoding speed

Browse source
This commit is contained in:
Dane Springmeyer 2014-06-04 12:09:42 -07:00 committed by artemp
parent 147a289936
commit c489549b56
1 changed files with 100 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

100
benchmark/test_utf_encoding.cpp Normal file
View file

@ -0,0 +1,100 @@
#include "bench_framework.hpp"
#include <mapnik/unicode.hpp>
#include <mapnik/value.hpp>
#include <codecvt>
#include <boost/locale.hpp>
class test : public benchmark::test_case
{
std::string utf8_;
public:
test(mapnik::parameters const& params)
: test_case(params),
utf8_(u8"שלום") {}
bool validate() const
{
std::wstring_convert<std::codecvt_utf8<char32_t>, char32_t> utf32conv;
std::u32string utf32 = utf32conv.from_bytes(utf8_);
if (utf32.size() != 4) return false;
if (utf32[0] != 0x5e9 &&
utf32[1] != 0x5dc &&
utf32[2] != 0x5d5 &&
utf32[3] != 0x5dd) return false;
return true;
}
void operator()() const
{
std::u32string utf32;
std::wstring_convert<std::codecvt_utf8<char32_t>, char32_t> utf32conv;
for (std::size_t i=0;i<iterations_;++i) {
utf32 = utf32conv.from_bytes(utf8_);
}
}
};
class test2 : public benchmark::test_case
{
std::string utf8_;
public:
test2(mapnik::parameters const& params)
: test_case(params),
utf8_(u8"שלום") {}
bool validate() const
{
std::u32string utf32 = boost::locale::conv::utf_to_utf<char32_t>(utf8_);
if (utf32.size() != 4) return false;
if (utf32[0] != 0x5e9 &&
utf32[1] != 0x5dc &&
utf32[2] != 0x5d5 &&
utf32[3] != 0x5dd) return false;
return true;
}
void operator()() const
{
std::u32string utf32;
for (std::size_t i=0;i<iterations_;++i) {
utf32 = boost::locale::conv::utf_to_utf<char32_t>(utf8_);
}
}
};
class test3 : public benchmark::test_case
{
std::string utf8_;
public:
test3(mapnik::parameters const& params)
: test_case(params),
utf8_(u8"שלום") {}
bool validate() const
{
mapnik::transcoder tr_("utf-8");
mapnik::value_unicode_string utf32 = tr_.transcode(utf8_.data(),utf8_.size());
//std::u32string utf32 = boost::locale::conv::utf_to_utf<char32_t>(utf8_);
if (utf32.length() != 4) return false;
if (utf32[0] != 0x5e9 &&
utf32[1] != 0x5dc &&
utf32[2] != 0x5d5 &&
utf32[3] != 0x5dd) return false;
return true;
}
void operator()() const
{
mapnik::transcoder tr_("utf-8");
mapnik::value_unicode_string utf32;
for (std::size_t i=0;i<iterations_;++i) {
utf32 = tr_.transcode(utf8_.data(),utf8_.size());
}
}
};
int main(int argc, char** argv)
{
mapnik::parameters params;
benchmark::handle_args(argc,argv,params);
test test_runner(params);
run(test_runner,"utf encode std::codecvt");
test2 test_runner2(params);
run(test_runner2,"utf encode boost::locale");
test3 test_runner3(params);
return run(test_runner3,"utf encode ICU");
}