On 13/12/2011 05:13, Andreas Kloeckner wrote:
On Mon, 12 Dec 2011 14:03:23 -0800 (PST), Guillermo Andrade<guillermo.andrade-barr...@inria.fr> wrote:Andreas Kloeckner wrote... Detailed list of changes in 2011.1: ... * Adopt stateless launch interface from CUDA, deprecate old one. ...Hello, Could you explain us what are you meaning by that? for example, how do you do now to set shared memory for extern __shared__ declarations in kernels ?All this information should now be passed to the kernel call, see here: http://documen.tician.de/pycuda/driver.html#pycuda.driver.Function.__call__ CUDA (as of 4.0) has deprecated the stateful launch interface (i.e. "set this, set that, go"). For now, PyCUDA still uses stateful launches under the hood, but I've deprecated stateful launches in PyCUDA's user-facing interface as well. That way, when CUDA does remove stateful launches, I'll be in a better position to also remove the stateful interface in PyCUDA and switch to the stateless one at the same time. HTH, Andreas
Thanks for your answer.
I'd followed this document. But when i call my kernel:
testKernel = SourceModule("""
__global__ void
testKernel( float* g_idata, float* g_odata, int size_data)
{
extern __shared__ float sdata[];
...
""").get_function("testKernel")
testKernel(d_idata,d_odata,np.int32(num_data), block=threads, grid= grid,
shared=shared_mem_size)
I get this message :
.../lib64/python2.6/site-packages/pycuda-2011.2.1-py2.6-linux-x86_64.egg/pycuda/driver.py:168:
DeprecationWarning: 'set_shared_size' has been deprecated in version 2011.1.
Please use the stateless launch interface instead.
func.set_shared_size(shared)
if I understand you, this kernel call is good for now and for future
versions. But in the current version there is a transition warning.
Isn't it ?
Best regards, -- Guillermo Andrade B.
<<attachment: Guillermo_Andrade-barroso.vcf>>
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