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/* This file attempts to test the PAPI_SR_INS */
/* performance counter (retired stores). */
/* This just does a generic matrix-matrix test */
/* Should have a comprehensive assembly language test */
/* (see my deterministic benchmark suite) but that would be */
/* a lot more complicated. */
/* by Vince Weaver, <vincent.weaver@maine.edu> */
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <sys/time.h>
#include <time.h>
#include "papi.h"
#include "papi_test.h"
#include "display_error.h"
#include "matrix_multiply.h"
#define SLEEP_RUNS 3
int main(int argc, char **argv) {
int quiet;
double error;
int i;
long long count,high=0,low=0,total=0,average=0;
long long mmm_count;
long long expected;
int retval;
int eventset=PAPI_NULL;
quiet=tests_quiet(argc,argv);
/* Init the PAPI library */
retval = PAPI_library_init( PAPI_VER_CURRENT );
if ( retval != PAPI_VER_CURRENT ) {
test_fail( __FILE__, __LINE__, "PAPI_library_init", retval );
}
if (!quiet) {
printf("\nTesting PAPI_SR_INS\n\n");
}
retval=PAPI_create_eventset(&eventset);
if (retval!=PAPI_OK) {
test_fail( __FILE__, __LINE__, "PAPI_create_eventset", retval );
}
retval=PAPI_add_named_event(eventset,"PAPI_SR_INS");
if (retval!=PAPI_OK) {
if (!quiet) printf("Could not add PAPI_SR_INS\n");
test_skip( __FILE__, __LINE__, "adding PAPI_LD_INS", retval );
}
/**************/
/* Sleep test */
/**************/
if (!quiet) {
printf("Testing a sleep of 1 second (%d times):\n",SLEEP_RUNS);
}
for(i=0;i<SLEEP_RUNS;i++) {
PAPI_reset(eventset);
PAPI_start(eventset);
sleep(1);
retval=PAPI_stop(eventset,&count);
if (retval!=PAPI_OK) {
test_fail( __FILE__, __LINE__, "PAPI_stop", retval );
}
if (count>high) high=count;
if ((low==0) || (count<low)) low=count;
total+=count;
}
average=total/SLEEP_RUNS;
if (!quiet) {
printf("\tAverage should be low, as no stores when sleeping\n");
printf("\tMeasured average: %lld\n",average);
}
if (average>100000) {
if (!quiet) printf("Average cycle count too high!\n");
test_fail( __FILE__, __LINE__, "idle average", retval );
}
/*****************************/
/* testing Matrix Matrix GHz */
/*****************************/
if (!quiet) {
printf("\nTesting with matrix matrix multiply\n");
}
PAPI_reset(eventset);
PAPI_start(eventset);
naive_matrix_multiply(quiet);
retval=PAPI_stop(eventset,&count);
if (retval!=PAPI_OK) {
test_fail( __FILE__, __LINE__, "Problem stopping!", retval );
}
expected=naive_matrix_multiply_estimated_stores(quiet);
if (!quiet) {
printf("\tActual measured stores = %lld\n",count);
}
error= 100.0 * (double)(count-expected) / (double)expected;
if (!quiet) {
printf("\tExpected %lld, got %lld\n",expected,count);
printf("\tError=%.2f%%\n",error);
}
if ((error>10.0) || (error<-10.0)) {
if (!quiet) printf("Error too high!\n");
test_fail( __FILE__, __LINE__, "Error too high", retval );
}
mmm_count=count;
/************************************/
/* Check for Linear Speedup */
/************************************/
if (!quiet) printf("\nTesting for a linear cycle increase\n");
#define REPITITIONS 2
PAPI_reset(eventset);
PAPI_start(eventset);
for(i=0;i<REPITITIONS;i++) {
naive_matrix_multiply(quiet);
}
retval=PAPI_stop(eventset,&count);
if (retval!=PAPI_OK) {
test_fail( __FILE__, __LINE__, "Problem stopping!", retval );
}
expected=mmm_count*REPITITIONS;
error= 100.0 * (double)(count-expected) / (double)expected;
if (!quiet) {
printf("\tExpected %lld, got %lld\n",expected,count);
printf("\tError=%.2f%%\n",error);
}
if ((error>10.0) || (error<-10.0)) {
if (!quiet) printf("Error too high!\n");
test_fail( __FILE__, __LINE__, "Error too high", retval );
}
if (!quiet) printf("\n");
test_pass( __FILE__ );
return 0;
}
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