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refactor choosing benchmark operation

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This commit is contained in:
Dmitry Arkhipov
2024-10-10 14:12:59 +03:00
parent d1c65b3b46
commit 7113c5bc51
1 changed files with 69 additions and 76 deletions
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145
bench/bench.cpp
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@@ -98,6 +98,10 @@ class any_impl
bool with_file_io_ = false;
public:
using operation = auto (any_impl::*)
(file_item const& fi, std::size_t repeat) const
-> clock_type::duration;
any_impl(
string_view base_name,
bool is_boost,
@@ -148,15 +152,21 @@ public:
virtual
clock_type::duration
parse(string_view s, std::size_t repeat) const = 0;
parse_string(file_item const& fi, std::size_t repeat) const = 0;
virtual
clock_type::duration
parse(file_item const& fi, std::size_t repeat) const = 0;
parse_file(file_item const& fi, std::size_t repeat) const = 0;
virtual
clock_type::duration
serialize(string_view s, std::size_t repeat) const = 0;
serialize_string(file_item const& fi, std::size_t repeat) const = 0;
clock_type::duration
skip(file_item const& , std::size_t ) const
{
return clock_type::duration::zero();
}
string_view
name() const noexcept
@@ -259,22 +269,26 @@ bench(
{
trial.clear();
std::size_t repeat = 1;
auto const f = [&]
{
if(verb == "Parse")
{
if( vi[j]->with_file_io() )
return vi[j]->parse(vf[i], repeat);
else
return vi[j]->parse(vf[i].text, repeat);
}
any_impl::operation op = nullptr;
if(verb == "Parse")
{
if( vi[j]->with_file_io() )
op = &any_impl::parse_file;
else
op = &any_impl::parse_string;
}
else
{
BOOST_ASSERT( verb == "Serialize" );
if( vi[j]->with_file_io() )
return clock_type::duration::zero();
op = &any_impl::skip;
else
return vi[j]->serialize(vf[i].text, repeat);
};
op = &any_impl::serialize_string;
}
auto const f = [&]{ return (vi[j].get()->*op)(vf[i], repeat); };
// helps with the caching, which reduces noise; also, we determine
// if this configuration should be skipped altogether
auto const elapsed = f();
@@ -360,9 +374,7 @@ public:
{}
clock_type::duration
parse(
string_view s,
std::size_t repeat) const override
parse_string(file_item const& fi, std::size_t repeat) const override
{
auto const start = clock_type::now();
parser p( {}, get_parse_options() );
@@ -374,7 +386,7 @@ public:
sp = &mr;
p.reset( std::move(sp) );
p.write( s.data(), s.size() );
p.write( fi.text.data(), fi.text.size() );
auto jv = p.release();
(void)jv;
}
@@ -382,7 +394,7 @@ public:
}
clock_type::duration
parse(file_item const& fi, std::size_t repeat) const override
parse_file(file_item const& fi, std::size_t repeat) const override
{
auto const start = clock_type::now();
stream_parser p( {}, get_parse_options() );
@@ -419,15 +431,13 @@ public:
}
clock_type::duration
serialize(
string_view s,
std::size_t repeat) const override
serialize_string(file_item const& fi, std::size_t repeat) const override
{
monotonic_resource mr;
storage_ptr sp;
if( is_pool_ )
sp = &mr;
auto jv = json::parse( s, std::move(sp) );
auto jv = json::parse( fi.text, std::move(sp) );
auto const start = clock_type::now();
serializer sr;
@@ -535,9 +545,7 @@ public:
{}
clock_type::duration
parse(
string_view s,
std::size_t repeat) const override
parse_string(file_item const& fi, std::size_t repeat) const override
{
auto const start = clock_type::now();
null_parser p( get_parse_options() );
@@ -545,7 +553,7 @@ public:
{
p.reset();
system::error_code ec;
p.write(s.data(), s.size(), ec);
p.write(fi.text.data(), fi.text.size(), ec);
if( ec.failed() )
throw system::system_error( ec );
}
@@ -553,7 +561,7 @@ public:
}
clock_type::duration
parse(file_item const& fi, std::size_t repeat) const override
parse_file(file_item const& fi, std::size_t repeat) const override
{
auto const start = clock_type::now();
null_parser p( get_parse_options() );
@@ -591,8 +599,7 @@ public:
}
clock_type::duration
serialize(
string_view, std::size_t) const override
serialize_string(file_item const& fi, std::size_t) const override
{
return clock_type::duration(0);
}
@@ -612,9 +619,7 @@ public:
{}
clock_type::duration
parse(
string_view s,
std::size_t repeat) const override
parse_string(file_item const& fi, std::size_t repeat) const override
{
auto const start = clock_type::now();
while(repeat--)
@@ -624,14 +629,15 @@ public:
if( is_pool_ )
sp = &mr;
auto jv = json::parse( s, std::move(sp), get_parse_options() );
auto jv = json::parse(
fi.text, std::move(sp), get_parse_options() );
(void)jv;
}
return clock_type::now() - start;
}
clock_type::duration
parse(file_item const& fi, std::size_t repeat) const override
parse_file(file_item const& fi, std::size_t repeat) const override
{
auto const start = clock_type::now();
while(repeat--)
@@ -650,15 +656,13 @@ public:
}
clock_type::duration
serialize(
string_view s,
std::size_t repeat) const override
serialize_string(file_item const& fi, std::size_t repeat) const override
{
monotonic_resource mr;
storage_ptr sp;
if( is_pool_ )
sp = &mr;
auto jv = json::parse( s, std::move(sp) );
auto jv = json::parse( fi.text, std::move(sp) );
auto const start = clock_type::now();
std::string out;
@@ -680,9 +684,9 @@ public:
{}
clock_type::duration
parse(string_view s, std::size_t repeat) const override
parse_string(file_item const& fi, std::size_t repeat) const override
{
std::istringstream is(s);
std::istringstream is(fi.text);
is.exceptions(std::ios::failbit);
auto const start = clock_type::now();
@@ -701,7 +705,7 @@ public:
}
clock_type::duration
parse(file_item const& fi, std::size_t repeat) const override
parse_file(file_item const& fi, std::size_t repeat) const override
{
auto const start = clock_type::now();
while(repeat--)
@@ -721,16 +725,14 @@ public:
}
clock_type::duration
serialize(
string_view s,
std::size_t repeat) const override
serialize_string(file_item const& fi, std::size_t repeat) const override
{
monotonic_resource mr;
storage_ptr sp;
if( is_pool_ )
sp = &mr;
auto jv = json::parse( s, std::move(sp) );
auto jv = json::parse( fi.text, std::move(sp) );
auto const start = clock_type::now();
std::string out;
@@ -755,23 +757,21 @@ struct rapidjson_crt_impl : public any_impl
{}
clock_type::duration
parse(
string_view s, std::size_t repeat) const override
parse_string(file_item const& fi, std::size_t repeat) const override
{
using namespace rapidjson;
auto const start = clock_type::now();
while(repeat--)
{
CrtAllocator alloc;
GenericDocument<
UTF8<>, CrtAllocator> d(&alloc);
d.Parse(s.data(), s.size());
GenericDocument<UTF8<>, CrtAllocator> d(&alloc);
d.Parse( fi.text.data(), fi.text.size() );
}
return clock_type::now() - start;
}
clock_type::duration
parse(file_item const& fi, std::size_t repeat) const override
parse_file(file_item const& fi, std::size_t repeat) const override
{
using namespace rapidjson;
@@ -785,8 +785,7 @@ struct rapidjson_crt_impl : public any_impl
std::size_t const sz = fread(s, 1, fi.text.size(), f);
CrtAllocator alloc;
GenericDocument<
UTF8<>, CrtAllocator> d(&alloc);
GenericDocument<UTF8<>, CrtAllocator> d(&alloc);
d.Parse(s, sz);
fclose(f);
@@ -795,21 +794,19 @@ struct rapidjson_crt_impl : public any_impl
}
clock_type::duration
serialize(string_view s, std::size_t repeat) const override
serialize_string(file_item const& fi, std::size_t repeat) const override
{
using namespace rapidjson;
CrtAllocator alloc;
GenericDocument<
UTF8<>, CrtAllocator> d(&alloc);
d.Parse(s.data(), s.size());
GenericDocument<UTF8<>, CrtAllocator> d(&alloc);
d.Parse( fi.text.data(), fi.text.size() );
auto const start = clock_type::now();
rapidjson::StringBuffer st;
while(repeat--)
{
st.Clear();
rapidjson::Writer<
rapidjson::StringBuffer> wr(st);
rapidjson::Writer<rapidjson::StringBuffer> wr(st);
d.Accept(wr);
}
return clock_type::now() - start;
@@ -823,20 +820,19 @@ struct rapidjson_memory_impl : public any_impl
{}
clock_type::duration
parse(
string_view s, std::size_t repeat) const override
parse_string(file_item const& fi, std::size_t repeat) const override
{
auto const start = clock_type::now();
while(repeat--)
{
rapidjson::Document d;
d.Parse(s.data(), s.size());
d.Parse(fi.text.data(), fi.text.size());
}
return clock_type::now() - start;
}
clock_type::duration
parse(file_item const& fi, std::size_t repeat) const override
parse_file(file_item const& fi, std::size_t repeat) const override
{
using namespace rapidjson;
@@ -858,18 +854,17 @@ struct rapidjson_memory_impl : public any_impl
}
clock_type::duration
serialize(string_view s, std::size_t repeat) const override
serialize_string(file_item const& fi, std::size_t repeat) const override
{
rapidjson::Document d;
d.Parse(s.data(), s.size());
d.Parse( fi.text.data(), fi.text.size() );
auto const start = clock_type::now();
rapidjson::StringBuffer st;
while(repeat--)
{
st.Clear();
rapidjson::Writer<
rapidjson::StringBuffer> wr(st);
rapidjson::Writer<rapidjson::StringBuffer> wr(st);
d.Accept(wr);
}
return clock_type::now() - start;
@@ -887,19 +882,18 @@ struct nlohmann_impl : public any_impl
{}
clock_type::duration
parse(string_view s, std::size_t repeat) const override
parse_string(file_item const& fi, std::size_t repeat) const override
{
auto const start = clock_type::now();
while(repeat--)
{
auto jv = nlohmann::json::parse(
s.begin(), s.end());
auto jv = nlohmann::json::parse( fi.text.begin(), fi.text.end() );
}
return clock_type::now() - start;
}
clock_type::duration
parse(file_item const& fi, std::size_t repeat) const override
parse_file(file_item const& fi, std::size_t repeat) const override
{
auto const start = clock_type::now();
char* s = new char[ fi.text.size() ];
@@ -918,10 +912,9 @@ struct nlohmann_impl : public any_impl
}
clock_type::duration
serialize(string_view s, std::size_t repeat) const override
serialize_string(file_item const& fi, std::size_t repeat) const override
{
auto jv = nlohmann::json::parse(
s.begin(), s.end());
auto jv = nlohmann::json::parse( fi.text.begin(), fi.text.end() );
auto const start = clock_type::now();
while(repeat--)