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Date: Thu, 26 Apr 2012 00:14:20 +0200
From: magnum <>
Subject: Re: OpenCL optimisations for different cards

On 04/25/2012 11:25 PM, Samuele Giovanni Tonon wrote:
> On 04/25/12 22:21, Lukas Odzioba wrote:
>> 2012/4/25 magnum <>:
>>> On 04/25/2012 09:21 PM, SAYANTAN DATTA wrote:
>>>> Hi magnum,
>>>> Is it okay with everyone if we enable profiling while creating the coomand
>>>> queue in common_opencl.c?
>>> And leave it on? Why? I suspect it might degrade performance. We'll see
>>> what the others say.
>>  I agree with magnum. In fact there is nothing about performance in
>> OpenCL specification, but it does not confess us from using it.
>> What's the purpose of this change?
> maybe that could help to integrate find_best_workgroup and find_best_kpc
> in common_opencl .

Would it make sense to move the queue creation from dev_init() to [the
format's] create_clobj()? Then we could add an argument to the latter so
it's  create_clobj(int kpc, int prof)  where prof is used as a boolean
for profiling or not.

I think this makes sense as we create and destory clobj during the
find_best functions.


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