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GPU: launch bound helpers for Metal #15810

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Merged
ktf merged 1 commit into from
Sep 17, 2026
+2 −2
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GPU: launch bound helpers for Metal #15810

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4 changes: 2 additions & 2 deletions GPU/GPUTracking/Definitions/GPUDefParametersWrapper.h
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Original file line number Diff line number Diff line change
Expand Up @@ -28,8 +28,8 @@
namespace o2::gpu
{
#if defined(GPUCA_GPUCODE) && !defined(GPUCA_GPUCODE_NO_LAUNCH_BOUNDS)
GPUhdi() static constexpr uint32_t GPUCA_GET_THREAD_COUNT(uint32_t val, ...) { return val; }
GPUhdi() static constexpr uint32_t GPUCA_GET_WARP_COUNT(uint32_t val, ...) { return val / GPUCA_WARP_SIZE; }
template <typename... Args> GPUhdi() static constexpr uint32_t GPUCA_GET_THREAD_COUNT(uint32_t val, Args...) { return val; }
template <typename... Args> GPUhdi() static constexpr uint32_t GPUCA_GET_WARP_COUNT(uint32_t val, Args...) { return val / GPUCA_WARP_SIZE; }
#else
static constexpr uint32_t GPUCA_WARP_SIZE = 1; // On the host, a thread is a block is a warp, and we run 1 "device thread" per block.
#define GPUCA_GET_THREAD_COUNT(...) 1 // This must be a define not a constexpr function
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