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relaxing atomics in hot multi-threaded path

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Marcos Slomp
2026-04-29 11:25:47 -07:00
parent 8b9c25f19c
commit dbb17e50e3
1 changed files with 5 additions and 5 deletions
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10
public/tracy/TracyD3D12.hpp
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@@ -473,12 +473,11 @@ namespace tracy
return static_cast<int64_t>(end - begin);
}
uint64_t RetireTicket(uint64_t ticket)
void RetireTicket(uint64_t ticket)
{
TracyD3D12Assert( m_previousCheckpoint == ticket );
ticket += 2;
m_previousCheckpoint.store(ticket);
return ticket;
uint64_t nextTicket = ticket + 2;
m_previousCheckpoint.store(nextTicket, std::memory_order_release);
}
tracy_force_inline uint32_t NextQueryId()
@@ -495,7 +494,8 @@ namespace tracy
// to the query that has just been generated. The value of the "late" query may
// may end up being collected as if it belonged to the the new query.
const uint64_t ticket = m_queryCounter.fetch_add(2, std::memory_order_relaxed);
if (Distance(m_previousCheckpoint, ticket) >= RingCapacity())
const uint64_t checkpoint = m_previousCheckpoint.load(std::memory_order_relaxed);
if (Distance(checkpoint, ticket) >= RingCapacity())
{
ZoneScopedC(Color::Red4);
TracyD3D12Log(Warning, "Too many pending GPU queries: stalling!");