[PyCuda] time_kernel argument in pycuda.driver.Function question

[Andreas Klöckner]

On Mittwoch 18 März 2009, Ahmed Fasih wrote:
> Hi, I'm invoking a kernel like using pycuda.driver.Out and using the
> time_kernel=True argument to return the time in seconds. Does this
> time include the device-to-host copy time?

No, it doesn't. See driver.py, search for "function_call". If you send me a 
patch for time_transfers=True, I'd take it.

> Thanks! I'm happy to report a preliminary 165x speed up over our
> existing radar imaging implementation thanks to PyCUDA, developed in 5
> days.

Neat--I'd say that was probably worth the effort. :)

Andreas

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