libm-bench.cpp File Reference

#include <math.h>
#include <time.h>
#include <stdio.h>
#include <stdlib.h>

Include dependency graph for libm-bench.cpp:

Classes
class	stimer

Macros
#define	TFUN1(FNAME)
#define	TFUN2(FNAME)
#define	TCALL(FNAME)   test_##FNAME(20000)

Functions
double	sec2mps (double s, long n)
int	main (int argc, char *argv[])

Variables
const long	ARR_LEN = 1024
double	a [ARR_LEN]
double	b [ARR_LEN]
double	r [ARR_LEN]

Macro Definition Documentation

TCALL

#define TCALL

(

FNAME

)

test_##FNAME(20000)

TFUN1

#define TFUN1

(

FNAME

)

Value:

void test_##FNAME(long n) { \
        for (int j = 0; j < ARR_LEN; ++j) r[j] = FNAME(a[j]); \
        stimer tm; \
        stimer::time_type t0 = tm.current(); \
        for(int i = 0; i < n; ++i) { \
            for (int j = 0; j < ARR_LEN; ++j) r[j] = FNAME(a[j]); \
        } \
        double s = tm.span(t0, tm.current()); \
        double mps = sec2mps(s, n * ARR_LEN); \
        printf("  %-8s:  %7.4f MPS\n", #FNAME, mps); }

TFUN2

#define TFUN2

(

FNAME

)

Value:

void test_##FNAME(long n) { \
        for (int j = 0; j < ARR_LEN; ++j) r[j] = FNAME(a[j], b[j]); \
        stimer tm; \
        stimer::time_type t0 = tm.current(); \
        for(int i = 0; i < n; ++i) { \
            for (int j = 0; j < ARR_LEN; ++j) r[j] = FNAME(a[j], b[j]); \
        } \
        double s = tm.span(t0, tm.current()); \
        double mps = sec2mps(s, n * ARR_LEN); \
        printf("  %-8s:  %7.4f MPS\n", #FNAME, mps); }

Function Documentation

main()

int main	(	int	argc,
		char *	argv[]
	)

References a, acos(), ARR_LEN, asin(), atan(), atan2(), b, cos(), exp(), hypot(), log(), log10(), pow(), rand(), RAND_MAX, sin(), tan(), and TCALL.

sec2mps()

double sec2mps ( double  s, long  n  )

inline

References n, and s.

Variable Documentation

a

double a[ARR_LEN]

Referenced by __ieee754_hypot(), __ieee754_hypotf(), __ieee754_jn(), __ieee754_jnf(), __ieee754_yn(), __ieee754_ynf(), __kernel_tan(), __kernel_tanl(), _qsort(), add_adjusted(), add_and_denormalize(), b2d(), catan(), catanf(), catanl(), ccmp(), char_test(), cmp(), cmp64(), cmp_heap(), CMPLX(), CMPLXF(), CMPLXL(), cpow(), cpowf(), cpowl(), csqrt(), csqrtf(), csqrtl(), dd_add(), dd_mul(), diff(), erfl(), fzcheck(), hypotl(), icmp(), main(), med3(), mult(), multadd(), qsort(), ratio(), scmp(), strcp_D2A(), strcspn(), strspn(), strstr(), strtoIQ(), strtoIx(), strtoIxL(), sum(), swapfunc(), test_randint(), uint64_test(), and ulp().

ARR_LEN

const long ARR_LEN = 1024

Referenced by main().

b

double b[ARR_LEN]

Referenced by __ieee754_hypot(), __ieee754_hypotf(), __ieee754_jn(), __ieee754_jnf(), __ieee754_yn(), __ieee754_ynf(), embutil::InstanceList< TTrackedClass, TKey, TContainer, TSize >::add(), add_adjusted(), add_and_denormalize(), all_on(), any_on(), bitstob(), casinl(), ccmp(), cmp(), cmp64(), cmp_heap(), copybits(), csqrt(), csqrtf(), csqrtl(), d2b(), dd_add(), dd_mul(), decrement(), defrag_free_list(), diff(), dtoa(), freedtoa(), fzcheck(), g__fmt(), g_ddfmt(), g_dfmt(), g_ffmt(), g_Qfmt(), g_xfmt(), g_xLfmt(), gdtoa(), gethex(), hypotl(), i2b(), icmp(), ilogbl(), increment(), logbl(), lshift(), main(), med3(), mult(), multadd(), pow5mult(), quorem(), ratio(), rshift(), rvOK(), s2b(), scmp(), set_ones(), strcat_test(), strchr_test(), strcp_D2A(), strcpy_test(), strncat_test(), strncpy_test(), strpbrk(), strrchr_test(), strstr(), strtoIg(), strtoIQ(), strtoIx(), strtoIxL(), strtok_test(), sum(), swapfunc(), test_randint(), and trailz().

r

double r[ARR_LEN]

Referenced by __attribute__(), __ieee754_acos(), __ieee754_acosf(), __ieee754_asin(), __ieee754_j0(), __ieee754_j0f(), __ieee754_j1(), __ieee754_j1f(), __ieee754_lgamma_r(), __ieee754_lgammaf_r(), __ieee754_log10(), __ieee754_log10f(), __ieee754_log2(), __ieee754_log2f(), __ieee754_pow(), __ieee754_powf(), __ieee754_rem_pio2(), __ieee754_rem_pio2f(), __ieee754_rem_pio2l(), __ieee754_sqrt(), __ieee754_sqrtf(), __kernel_cos(), __kernel_cosdf(), __kernel_cosl(), __kernel_sin(), __kernel_sincos(), __kernel_sincosdf(), __kernel_sindf(), __kernel_sinl(), __kernel_tan(), __kernel_tandf(), __kernel_tanl(), _qsort(), acosl(), asinl(), asprintf(), os::posix::ConditionVariable::broadcast(), cbrt(), cbrtf(), cbrtl(), cexpl(), embdrv::vl53l1x::checkModelID(), convertI2CTransactionErrorCode(), os::posix::Semaphore::count(), cpow(), cpowf(), cpowl(), embdrv::vl53l1x::create(), div(), os::posix::MessageQueue< TType >::empty(), erf(), erfc(), erfcf(), erfcl(), erff(), erfl(), exp2(), exp2l(), fma(), fmal(), free(), os::freertos::ConditionVariable::freertos_wait(), os::posix::MessageQueue< TType >::full(), get_converted_error(), os::freertos::Semaphore::give(), os::posix::Semaphore::give(), os::posix::Semaphore::giveFromISR(), embdrv::aardvarkAdapter::i2cPullups(), embutil::is_aligned(), os::posix::Thread::join(), embdrv::vl53l1x::kickoffMeasurementOnceFirmwareReady(), ldiv(), lgammal_r(), os::freertos::Mutex::lock(), os::posix::Mutex::lock(), log1pl(), main(), malloc(), malloc_addblock(), os::posix::Mutex::Mutex(), pone(), ponef(), posix_memalign(), posix_memalign_test(), powl(), embvm::i2c::activeMaster< 128 >::process_(), embvm::spi::activeMaster< TQueueSize, TLock, TCond >::process_(), embdrv::aardvarkSPIMaster::process_(), embdrv::aardvarkI2CMaster::process_(), embdrv::aardvarkAdapter::pullup(), puts(), pzero(), pzerof(), qone(), qonef(), qzero(), qzerof(), rand_r(), embdrv::vl53l1x::rangeStatus(), embdrv::vl53l1x::readData(), embdrv::vl53l1x::readOscillatorCal(), embdrv::vl53l1x::readTrim(), rv_alloc(), os::posix::Semaphore::Semaphore(), embdrv::aardvarkGPIOOutput< 5 >::set(), os::freertos::EventFlag::setFromISR(), shuffle2(), os::posix::ConditionVariable::signal(), embdrv::vl53l1x::signalRate(), os::posix::MessageQueue< TType >::size(), small_gam(), smaller_gam(), sqrtl(), embdrv::aardvarkGPIOOutput< 5 >::start_(), strchr(), strcmp(), strcoll(), strerror_r(), strncmp(), strnstr_test(), strnstr_test_null(), os::freertos::Semaphore::take(), os::posix::Semaphore::take(), embdrv::aardvarkAdapter::targetPower(), os::posix::Thread::terminate(), test_randn(), os::freertos::Thread::Thread(), os::posix::Thread::Thread(), os::posix::Thread::thread_func(), os::freertos::Mutex::trylock(), os::posix::Mutex::trylock(), nRFi2cMaster< NordicTWIM0, nRFPinID< 0, 27 >, nRFPinID< 0, 26 > >::twim_callback_(), uint64_gen(), os::posix::Mutex::unlock(), os::posix::ConditionVariable::wait(), os::posix::ConditionVariable::~ConditionVariable(), os::posix::Mutex::~Mutex(), and os::posix::Semaphore::~Semaphore().