aboutsummaryrefslogtreecommitdiff
path: root/llvm/lib/Support/Parallel.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/lib/Support/Parallel.cpp')
-rw-r--r--llvm/lib/Support/Parallel.cpp14
1 files changed, 8 insertions, 6 deletions
diff --git a/llvm/lib/Support/Parallel.cpp b/llvm/lib/Support/Parallel.cpp
index 523665d..0272a53 100644
--- a/llvm/lib/Support/Parallel.cpp
+++ b/llvm/lib/Support/Parallel.cpp
@@ -39,20 +39,21 @@ public:
/// in filo order.
class ThreadPoolExecutor : public Executor {
public:
- explicit ThreadPoolExecutor(unsigned ThreadCount = hardware_concurrency()) {
+ explicit ThreadPoolExecutor(ThreadPoolStrategy S = hardware_concurrency()) {
+ unsigned ThreadCount = S.compute_thread_count();
// Spawn all but one of the threads in another thread as spawning threads
// can take a while.
Threads.reserve(ThreadCount);
Threads.resize(1);
std::lock_guard<std::mutex> Lock(Mutex);
- Threads[0] = std::thread([&, ThreadCount] {
- for (unsigned i = 1; i < ThreadCount; ++i) {
- Threads.emplace_back([=] { work(); });
+ Threads[0] = std::thread([this, ThreadCount, S] {
+ for (unsigned I = 1; I < ThreadCount; ++I) {
+ Threads.emplace_back([=] { work(S, I); });
if (Stop)
break;
}
ThreadsCreated.set_value();
- work();
+ work(S, 0);
});
}
@@ -90,7 +91,8 @@ public:
}
private:
- void work() {
+ void work(ThreadPoolStrategy S, unsigned ThreadID) {
+ S.apply_thread_strategy(ThreadID);
while (true) {
std::unique_lock<std::mutex> Lock(Mutex);
Cond.wait(Lock, [&] { return Stop || !WorkStack.empty(); });