forked from OSchip/llvm-project
54 lines
1.9 KiB
C
54 lines
1.9 KiB
C
<ompts:test>
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<ompts:testdescription>Test which checks the private clause of the task directive. We create a set of tasks in a single region. We defines a variable named sum which gets declared private for each task. Now each task calcualtes a sum using this private variable. Before each calcualation step we introduce a flush command so that maybe the private variabel gets bad. At the end we check if the calculated sum was right.</ompts:testdescription>
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<ompts:ompversion>3.0</ompts:ompversion>
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<ompts:directive>omp task private</ompts:directive>
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<ompts:dependences>omp single,omp flush,omp critical</ompts:dependences>
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<ompts:testcode>
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#include <stdio.h>
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#include <math.h>
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#include "omp_testsuite.h"
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/* Utility function do spend some time in a loop */
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int <ompts:testcode:functionname>omp_task_private</ompts:testcode:functionname> (FILE * logFile)
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{
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int i;
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<ompts:orphan:vars>
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int known_sum;
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int sum = 0;
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int result = 0; /* counts the wrong sums from tasks */
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</ompts:orphan:vars>
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known_sum = (LOOPCOUNT * (LOOPCOUNT + 1)) / 2;
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#pragma omp parallel
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{
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#pragma omp single
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{
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for (i = 0; i < NUM_TASKS; i++)
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{
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<ompts:orphan>
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#pragma omp task <ompts:check>private(sum)</ompts:check> shared(result, known_sum)
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{
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int j;
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//if sum is private, initialize to 0
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<ompts:check>sum = 0;</ompts:check>
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for (j = 0; j <= LOOPCOUNT; j++) {
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#pragma omp flush
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sum += j;
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}
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/* check if calculated sum was right */
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if (sum != known_sum) {
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#pragma omp critical
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result++;
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}
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} /* end of omp task */
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</ompts:orphan>
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} /* end of for */
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} /* end of single */
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} /* end of parallel*/
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return (result == 0);
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}
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</ompts:testcode>
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</ompts:test>
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