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parallel_test.cpp: attempt to work around windows test failures

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This commit is contained in:
Matt Pharr 2025-10-22 13:51:38 -07:00
parent 0d6d9573e9
commit 970fee03b7
1 changed files with 7 additions and 4 deletions
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11
src/pbrt/util/parallel_test.cpp
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@ -50,13 +50,16 @@ TEST(Parallel, ForEachThread) {
TEST(ThreadLocal, Consistency) {
ThreadLocal<std::thread::id> tids([]() { return std::this_thread::get_id(); });
auto busywork = [](int64_t index) {
std::atomic<int64_t> dummy{0};
auto busywork = [&dummy](int64_t index) {
// Do some busy work to burn some time
Float f = 1.141;
// Use the index to do a varying amount of computation
int64_t result = 0;
for (int i = 0; i <= index; ++i)
for (int j = 0; j <= index; ++j)
f *= std::sqrt(f);
EXPECT_NE(f, 1.141f); // make sure it isn't optimized out
result += i * j;
// Store result in atomic to prevent optimization
dummy.fetch_add(result, std::memory_order_relaxed);
};
ParallelFor(0, 1000, [&](int64_t index) {