faiss::gpu::KernelTimer Class Reference

Utility class for timing execution of a kernel. More...

#include <Timer.h>

Public Member Functions
	KernelTimer (cudaStream_t stream=0)
	~KernelTimer ()
	Destructor releases event resources.
float	elapsedMilliseconds ()

Detailed Description

Utility class for timing execution of a kernel.

Definition at line 17 of file Timer.h.

Constructor & Destructor Documentation

faiss::gpu::KernelTimer::KernelTimer

(

cudaStream_t

stream = 0

)

Constructor starts the timer and adds an event into the current device stream

Definition at line 15 of file Timer.cpp.

Member Function Documentation

float faiss::gpu::KernelTimer::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.

Definition at line 32 of file Timer.cpp.

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The documentation for this class was generated from the following files:

• /data/users/hoss/faiss/gpu/utils/Timer.h
• /data/users/hoss/faiss/gpu/utils/Timer.cpp