bench_ransEncodeImpl.cxx File Reference

benchmarks different encoding kernels without the need to renorm and stream data More...

#include "rANS/internal/common/defines.h"
#include <vector>
#include <cstring>
#include <random>
#include <algorithm>
#include <iterator>
#include <gsl/span>
#include <benchmark/benchmark.h>
#include "rANS/factory.h"
#include "rANS/histogram.h"
#include "rANS/internal/common/utils.h"
#include "rANS/internal/common/simdtypes.h"
#include "rANS/internal/common/simdops.h"
#include "rANS/internal/encode/simdKernel.h"

Go to the source code of this file.

Classes
class	SymbolTableData< source_T >
struct	SimpleFixture< source_T >
struct	Fixture< source_T >

Typedefs
using	count_t = uint32_t
using	ransState_t = uint64_t
using	stream_t = uint32_t

Functions
template<typename T >
const auto &	getData ()
ransState_t	simpleEncode (ransState_t state, size_t symbolTablePrecision, const Symbol &symbol)
	BENCHMARK_REGISTER_F (SimpleFixture, simpleEncode_8)
	BENCHMARK_REGISTER_F (SimpleFixture, simpleEncode_16)
	BENCHMARK_REGISTER_F (SimpleFixture, simpleEncode_32)
	BENCHMARK_MAIN ()

Variables
constexpr size_t	MessageSize = 1ull << 22
constexpr size_t	LowerBound = 1ul << 20
constexpr size_t	StreamBits = toBits<stream_t>()
const SymbolTableData< uint8_t >	Data8 (MessageSize)
const SymbolTableData< uint16_t >	Data16 (MessageSize)
const SymbolTableData< uint32_t >	Data32 (MessageSize)
benchmark::State &	st

Detailed Description

benchmarks different encoding kernels without the need to renorm and stream data

Author

Michael Lettrich

Definition in file bench_ransEncodeImpl.cxx.

Typedef Documentation

count_t

using count_t = uint32_t

Definition at line 42 of file bench_ransEncodeImpl.cxx.

ransState_t

using ransState_t = uint64_t

Definition at line 43 of file bench_ransEncodeImpl.cxx.

stream_t

using stream_t = uint32_t

Definition at line 44 of file bench_ransEncodeImpl.cxx.

Function Documentation

BENCHMARK_MAIN()

BENCHMARK_MAIN

(

)

BENCHMARK_REGISTER_F() [1/3]

BENCHMARK_REGISTER_F	(	SimpleFixture	,
		simpleEncode_16
	)

BENCHMARK_REGISTER_F() [2/3]

BENCHMARK_REGISTER_F	(	SimpleFixture	,
		simpleEncode_32
	)

BENCHMARK_REGISTER_F() [3/3]

BENCHMARK_REGISTER_F	(	SimpleFixture	,
		simpleEncode_8
	)

getData()

template<typename T >

const auto & getData

(

)

Definition at line 104 of file bench_ransEncodeImpl.cxx.

simpleEncode()

ransState_t simpleEncode	(	ransState_t	state,
		size_t	symbolTablePrecision,
		const Symbol &	symbol
	)

Definition at line 216 of file bench_ransEncodeImpl.cxx.

Variable Documentation

Data16

const SymbolTableData< uint16_t > Data16(MessageSize)

(

MessageSize

)

Data32

const SymbolTableData< uint32_t > Data32(MessageSize)

(

MessageSize

)

Data8

const SymbolTableData< uint8_t > Data8(MessageSize)

(

MessageSize

)

LowerBound

constexpr size_t LowerBound = 1ul << 20

inlineconstexpr

Definition at line 55 of file bench_ransEncodeImpl.cxx.

MessageSize

constexpr size_t MessageSize = 1ull << 22

inlineconstexpr

Definition at line 54 of file bench_ransEncodeImpl.cxx.

st

benchmark::State & st

Initial value:

{
  ransSimpleEncodeBenchmark(st, *this)

Definition at line 287 of file bench_ransEncodeImpl.cxx.

StreamBits

constexpr size_t StreamBits = toBits<stream_t>()

inlineconstexpr

Definition at line 56 of file bench_ransEncodeImpl.cxx.