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Remove redundant tracking lock checks from the hot path

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nmzik committed 2026-10-02 13:24:03 +04:00
1 parent d1c99bbfb0
commit a67a033ff8
2 files changed
+13 -10
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src/graphics/host_gpu/regionManager.h
+2 -9
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@@ -30,21 +30,14 @@ class TrackingSpinLock final {
public:
void lock() noexcept {
const auto thread = CurrentThread();
if (m_owner.load(std::memory_order_relaxed) == thread) {
EXIT("recursive region tracking lock\n");
}
while (m_lock.test_and_set(std::memory_order_acquire)) {
if (m_owner.load(std::memory_order_relaxed) == thread) {
EXIT("recursive region tracking lock while contended\n");
}
EXIT_NOT_IMPLEMENTED(m_owner.load(std::memory_order_relaxed) == thread);
std::atomic_signal_fence(std::memory_order_seq_cst);
}
m_owner.store(thread, std::memory_order_relaxed);
}
void unlock() noexcept {
if (m_owner.load(std::memory_order_relaxed) != CurrentThread()) {
EXIT("region tracking lock released by non-owner\n");
}
EXIT_NOT_IMPLEMENTED(m_owner.load(std::memory_order_relaxed) != CurrentThread());
m_owner.store(0, std::memory_order_relaxed);
m_lock.clear(std::memory_order_release);
}