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/* This file performs the following test: start, stop and timer
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functionality for 2 slave native SMP threads
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- It attempts to use the following two counters. It may use less
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depending on hardware counter resource limitations. These are counted
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in the default counting domain and default granularity, depending on
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the platform. Usually this is the user domain (PAPI_DOM_USER) and
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thread context (PAPI_GRN_THR).
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+ PAPI_FP_INS
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+ PAPI_TOT_CYC
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Each of 2 slave pthreads:
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- Get cyc.
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- Get us.
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- Start counters
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- Do flops
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- Stop and read counters
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- Get us.
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- Get cyc.
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Master pthread:
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- Get us.
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- Get cyc.
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- Fork threads
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- Wait for threads to exit
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- Get us.
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- Get cyc.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "papi.h"
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#include "papi_test.h"
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#include "do_loops.h"
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#if defined(sun) && defined(sparc)
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#include <thread.h>
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#elif defined(mips) && defined(sgi) && defined(unix)
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#include <mpc.h>
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#elif defined(_AIX) || defined(__linux__)
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#include <pthread.h>
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#endif
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void
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Thread( int t, int n )
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{
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int retval, num_tests = 1;
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int EventSet1 = PAPI_NULL;
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int PAPI_event, mask1;
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int num_events1;
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long long **values;
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long long elapsed_us, elapsed_cyc;
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char event_name[PAPI_MAX_STR_LEN];
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/* add PAPI_TOT_CYC and one of the events in PAPI_FP_INS, PAPI_FP_OPS or
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PAPI_TOT_INS, depending on the availability of the event on the
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platform */
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EventSet1 = add_two_events( &num_events1, &PAPI_event, &mask1 );
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retval = PAPI_event_code_to_name( PAPI_event, event_name );
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if ( retval != PAPI_OK )
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test_fail( __FILE__, __LINE__, "PAPI_event_code_to_name", retval );
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values = allocate_test_space( num_tests, num_events1 );
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retval = PAPI_start( EventSet1 );
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if ( retval != PAPI_OK )
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test_fail( __FILE__, __LINE__, "PAPI_start", retval );
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elapsed_us = PAPI_get_real_usec( );
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elapsed_cyc = PAPI_get_real_cyc( );
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do_flops( n );
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elapsed_us = PAPI_get_real_usec( ) - elapsed_us;
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elapsed_cyc = PAPI_get_real_cyc( ) - elapsed_cyc;
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retval = PAPI_stop( EventSet1, values[0] );
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if ( retval != PAPI_OK )
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test_fail( __FILE__, __LINE__, "PAPI_stop", retval );
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remove_test_events( &EventSet1, mask1 );
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if ( !TESTS_QUIET ) {
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printf( "Thread %#x %-12s : \t%lld\n", t, event_name,
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values[0][1] );
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printf( "Thread %#x PAPI_TOT_CYC : \t%lld\n", t,
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values[0][0] );
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}
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free_test_space( values, num_tests );
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if ( !TESTS_QUIET ) {
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printf( "Thread %#x Real usec : \t%lld\n", t, elapsed_us );
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printf( "Thread %#x Real cycles : \t%lld\n", t, elapsed_cyc );
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}
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PAPI_unregister_thread( );
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}
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int
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main( int argc, char **argv )
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{
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int i, retval, quiet;
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long long elapsed_us, elapsed_cyc;
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/* Set TESTS_QUIET variable */
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quiet=tests_quiet( argc, argv );
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retval = PAPI_library_init( PAPI_VER_CURRENT );
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if ( retval != PAPI_VER_CURRENT ) {
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test_fail( __FILE__, __LINE__, "PAPI_library_init", retval );
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|
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}
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elapsed_us = PAPI_get_real_usec( );
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elapsed_cyc = PAPI_get_real_cyc( );
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#if defined(_AIX) || defined(__linux__)
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retval =
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PAPI_thread_init( ( unsigned long ( * )( void ) ) ( pthread_self ) );
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if ( retval != PAPI_OK ) {
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if ( retval == PAPI_ECMP )
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test_skip( __FILE__, __LINE__, "PAPI_thread_init", retval );
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else
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test_fail( __FILE__, __LINE__, "PAPI_thread_init", retval );
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|
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}
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#if defined(_AIX)
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#pragma ibm parallel_loop
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#endif
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577717 |
|
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#elif defined(sgi) && defined(mips)
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retval =
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|
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PAPI_thread_init( ( unsigned long ( * )( void ) ) ( mp_my_threadnum ) );
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|
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if ( retval != PAPI_OK ) {
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|
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test_fail( __FILE__, __LINE__, "PAPI_thread_init", retval );
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|
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577717 |
}
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|
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577717 |
#pragma parallel
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|
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577717 |
#pragma local(i)
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577717 |
#pragma pfor
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|
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577717 |
#elif defined(sun) && defined(sparc)
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retval = PAPI_thread_init( ( unsigned long ( * )( void ) ) ( thr_self ) );
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|
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577717 |
if ( retval != PAPI_OK ) {
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|
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test_fail( __FILE__, __LINE__, "PAPI_thread_init", retval );
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|
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}
|
|
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577717 |
#pragma MP taskloop private(i)
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#else
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|
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if (!quiet) {
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|
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printf("This test only runs on AIX/IRIX/SOLOARIS\n");
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|
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}
|
|
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test_skip(__FILE__, __LINE__, "Architecture not included in this test file yet.", 0);
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|
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577717 |
#endif
|
|
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for ( i = 1; i < 3; i++ ) {
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|
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Thread( i, 10000000 * i );
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|
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577717 |
}
|
|
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|
|
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elapsed_cyc = PAPI_get_real_cyc( ) - elapsed_cyc;
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|
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577717 |
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|
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elapsed_us = PAPI_get_real_usec( ) - elapsed_us;
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|
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577717 |
|
|
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577717 |
if ( !quiet ) {
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|
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printf( "Master real usec : \t%lld\n", elapsed_us );
|
|
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printf( "Master real cycles : \t%lld\n", elapsed_cyc );
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|
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}
|
|
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|
|
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577717 |
// FIXME: we don't really validate anything here
|
|
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|
|
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test_pass( __FILE__ );
|
|
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577717 |
|
|
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return 0;
|
|
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}
|