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4 changed files with 54 additions and 90 deletions

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@ -189,17 +189,19 @@ construct and destroy objects without dynamic allocation and in a way that lets
you measure construction and destruction separately.
```c++
BENCHMARK_ADVANCED("construct")(Catch::Benchmark::Chronometer meter) {
BENCHMARK_ADVANCED("construct")(Catch::Benchmark::Chronometer meter)
{
std::vector<Catch::Benchmark::storage_for<std::string>> storage(meter.runs());
meter.measure([&](int i) { storage[i].construct("thing"); });
};
})
BENCHMARK_ADVANCED("destroy")(Catch::Benchmark::Chronometer meter) {
BENCHMARK_ADVANCED("destroy", [](Catch::Benchmark::Chronometer meter)
{
std::vector<Catch::Benchmark::destructable_object<std::string>> storage(meter.runs());
for(auto&& o : storage)
o.construct("thing");
meter.measure([&](int i) { storage[i].destruct(); });
};
})
```
`Catch::Benchmark::storage_for<T>` objects are just pieces of raw storage suitable for `T`

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@ -14,7 +14,6 @@
#include <type_traits>
namespace Catch {
namespace Benchmark {
namespace Detail {
template <typename T, bool Destruct>
struct ObjectStorage
@ -70,6 +69,5 @@ namespace Catch {
template <typename T>
using destructable_object = Detail::ObjectStorage<T, false>;
}
}
#endif // TWOBLUECUBES_CATCH_CONSTRUCTOR_HPP_INCLUDED

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@ -126,19 +126,5 @@ TEST_CASE("Benchmark containers", "[!benchmark]") {
REQUIRE(v[i] == generated);
}
}
SECTION("construct and destroy example") {
BENCHMARK_ADVANCED("construct")(Catch::Benchmark::Chronometer meter) {
std::vector<Catch::Benchmark::storage_for<std::string>> storage(meter.runs());
meter.measure([&](int i) { storage[i].construct("thing"); });
};
BENCHMARK_ADVANCED("destroy")(Catch::Benchmark::Chronometer meter) {
std::vector<Catch::Benchmark::destructable_object<std::string>> storage(meter.runs());
for(auto&& o : storage)
o.construct("thing");
meter.measure([&](int i) { storage[i].destruct(); });
};
}
}
#endif // CATCH_CONFIG_ENABLE_BENCHMARKING

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@ -23,7 +23,6 @@ def generate(v):
blankParser = re.compile( r'^\s*$')
seenHeaders = set([])
possibleHeaders = set([])
rootPath = os.path.join( catchPath, 'include/' )
outputPath = os.path.join( catchPath, 'single_include/catch2/catch.hpp' )
@ -53,20 +52,8 @@ def generate(v):
if globals['includeImpl'] or globals['implIfDefs'] == -1:
out.write( line )
def getDirsToSearch( ):
return [os.path.join( rootPath, s) for s in ['', 'internal', 'reporters', 'internal/benchmark', 'internal/benchmark/detail']]
def collectPossibleHeaders():
dirs = getDirsToSearch()
for dir in dirs:
hpps = glob(os.path.join(dir, '*.hpp'))
hs = glob(os.path.join(dir, '*.h'))
possibleHeaders.update( hpp.rpartition( os.sep )[2] for hpp in hpps )
possibleHeaders.update( h.rpartition( os.sep )[2] for h in hs )
def insertCpps():
dirs = getDirsToSearch()
dirs = [os.path.join( rootPath, s) for s in ['', 'internal', 'reporters', 'internal/benchmark', 'internal/benchmark/detail']]
cppFiles = []
for dir in dirs:
cppFiles += glob(os.path.join(dir, '*.cpp'))
@ -116,13 +103,6 @@ def generate(v):
write( line.rstrip() + "\n" )
write( u'// end {}\n'.format(filename) )
def warnUnparsedHeaders():
unparsedHeaders = possibleHeaders.difference( seenHeaders )
# These headers aren't packaged into the unified header, exclude them from any warning
whitelist = ['catch.hpp', 'catch_reporter_teamcity.hpp', 'catch_with_main.hpp', 'catch_reporter_automake.hpp', 'catch_reporter_tap.hpp', 'catch_reporter_sonarqube.hpp']
unparsedHeaders = unparsedHeaders.difference( whitelist )
if unparsedHeaders:
print( "WARNING: unparsed headers detected\n{0}\n".format( unparsedHeaders ) )
write( u"/*\n" )
write( u" * Catch v{0}\n".format( v.getVersionString() ) )
@ -137,9 +117,7 @@ def generate(v):
write( u"#ifndef TWOBLUECUBES_SINGLE_INCLUDE_CATCH_HPP_INCLUDED\n" )
write( u"#define TWOBLUECUBES_SINGLE_INCLUDE_CATCH_HPP_INCLUDED\n" )
collectPossibleHeaders()
parseFile( rootPath, 'catch.hpp' )
warnUnparsedHeaders()
write( u"#endif // TWOBLUECUBES_SINGLE_INCLUDE_CATCH_HPP_INCLUDED\n\n" )
out.close()