void TestReaderWriterLockOnNThreads(int nThreads) {
// Stress-test all interfaces
for (int pc=0; pc<=100; pc+=20) {
REMARK("Testing with %d threads, percent of MAX_WORK=%d...", nThreads, pc);
StressRWLBody myStressBody(nThreads, pc);
NativeParallelFor(nThreads, myStressBody);
REMARK(" OK.\n");
}
REMARK("Testing with %d threads, direct/unscoped locking mode...", nThreads); // TODO: choose direct or unscoped?
CorrectRWLBody myCorrectBody(nThreads);
active_writers = active_readers = 0;
sim_readers = false;
NativeParallelFor(nThreads, myCorrectBody);
ASSERT(sim_readers || nThreads<2, "There were no simultaneous readers.");
REMARK(" OK.\n");
REMARK("Testing with %d threads, scoped locking mode...", nThreads);
CorrectRWLScopedBody myCorrectScopedBody(nThreads);
active_writers = active_readers = 0;
sim_readers = false;
NativeParallelFor(nThreads, myCorrectScopedBody);
ASSERT(sim_readers || nThreads<2, "There were no simultaneous readers.");
REMARK(" OK.\n");
}
void TestReaderWriterLockOnNThreads(int nThreads) {
// Stress-test all interfaces
for (int pc=0; pc<=100; pc+=20) {
REMARK("Testing with %d threads, percent of MAX_WORK=%d...", nThreads, pc);
StressRWLBody myStressBody(nThreads, pc);
NativeParallelFor(nThreads, myStressBody);
REMARK(" OK.\n");
}
int i;
n_tested__sim_readers = 0;
REMARK("Testing with %d threads, direct/unscoped locking mode...", nThreads); // TODO: choose direct or unscoped?
// TODO: refactor the following two for loops into a shared function
for( i=0; i<100; ++i ) {
Harness::SpinBarrier bar0(nThreads);
CorrectRWLBody myCorrectBody(nThreads,bar0);
active_writers = active_readers = 0;
sim_readers = false;
NativeParallelFor(nThreads, myCorrectBody);
if( sim_readers || nThreads==1 ) {
if( ++n_tested__sim_readers>5 )
break;
}
}
ASSERT(i<100, "There were no simultaneous readers.");
REMARK(" OK.\n");
n_tested__sim_readers = 0;
REMARK("Testing with %d threads, scoped locking mode...", nThreads);
for( i=0; i<100; ++i ) {
Harness::SpinBarrier bar0(nThreads);
CorrectRWLScopedBody myCorrectScopedBody(nThreads, bar0);
active_writers = active_readers = 0;
sim_readers = false;
NativeParallelFor(nThreads, myCorrectScopedBody);
if( sim_readers || nThreads==1 ) {
if( ++n_tested__sim_readers>5 )
break;
}
}
ASSERT(i<100, "There were no simultaneous readers.");
REMARK(" OK.\n");
}
