Class faiss::gpu::KernelTimer
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class faiss::gpu::KernelTimer
Utility class for timing execution of a kernel.
Public Functions
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KernelTimer(cudaStream_t stream = 0)
Constructor starts the timer and adds an event into the current device stream
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~KernelTimer()
Destructor releases event resources.
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float elapsedMilliseconds()
Adds a stop event then synchronizes on the stop event to get the actual GPU-side kernel timings for any kernels launched in the current stream. Returns the number of milliseconds elapsed. Can only be called once.
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KernelTimer(cudaStream_t stream = 0)