benchmark.hpp File Reference

measure exec time of function More...

#include <stdint.h>
#include <stdio.h>
#include <cybozu/time.hpp>

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Classes
class	cybozu::CpuClock

Namespaces
namespace	cybozu
namespace	cybozu::bench

Macros
#define	CYBOZU_UNUSED
#define	CYBOZU_BENCH(msg, func, ...)
#define	CYBOZU_BENCH_C(msg, _N, func, ...)

Detailed Description

Author

MITSUNARI Shigeo

Definition in file benchmark.hpp.

Macro Definition Documentation

CYBOZU_BENCH

#define CYBOZU_BENCH	(		msg,
			func,
			... )

Value:

{ \
    const uint64_t maxClk = cybozu::CpuClock::maxClk; \
    cybozu::CpuClock clk; \
    for (int i = 0; i < cybozu::CpuClock::loopN2; i++) { \
        clk.begin(); \
        for (int j = 0; j < cybozu::CpuClock::loopN1; j++) { func(__VA_ARGS__); } \
        clk.end(); \
        if (clk.getClock() > maxClk) break; \
    } \
    if (msg && *msg) clk.put(msg, cybozu::CpuClock::loopN1); \
    cybozu::bench::g_clk = clk; cybozu::bench::g_loopNum = cybozu::CpuClock::loopN1; \
}

Definition at line 140 of file benchmark.hpp.

#define CYBOZU_BENCH(msg, func, ...) \
{ \
    const uint64_t maxClk = cybozu::CpuClock::maxClk; \
    cybozu::CpuClock clk; \
    for (int i = 0; i < cybozu::CpuClock::loopN2; i++) { \
        clk.begin(); \
        for (int j = 0; j < cybozu::CpuClock::loopN1; j++) { func(__VA_ARGS__); } \
        clk.end(); \
        if (clk.getClock() > maxClk) break; \
    } \
    if (msg && *msg) clk.put(msg, cybozu::CpuClock::loopN1); \
    cybozu::bench::g_clk = clk; cybozu::bench::g_loopNum = cybozu::CpuClock::loopN1; \
}

CYBOZU_BENCH_C

#define CYBOZU_BENCH_C	(		msg,
			_N,
			func,
			... )

Value:

{ \
    cybozu::CpuClock clk; \
    clk.begin(); \
    for (int j = 0; j < _N; j++) { func(__VA_ARGS__); } \
    clk.end(); \
    if (msg && *msg) clk.put(msg, _N); \
    cybozu::bench::g_clk = clk; cybozu::bench::g_loopNum = _N; \
}

Definition at line 159 of file benchmark.hpp.

#define CYBOZU_BENCH_C(msg, _N, func, ...) \
{ \
    cybozu::CpuClock clk; \
    clk.begin(); \
    for (int j = 0; j < _N; j++) { func(__VA_ARGS__); } \
    clk.end(); \
    if (msg && *msg) clk.put(msg, _N); \
    cybozu::bench::g_clk = clk; cybozu::bench::g_loopNum = _N; \
}

CYBOZU_UNUSED

#define CYBOZU_UNUSED

Definition at line 130 of file benchmark.hpp.