[LLVMdev] GPU thread/block/grid size contraints in LLVM PTX backend

[Xin Tong]

but does it have default values ?

Thanks

Xin

On Tue, Mar 13, 2012 at 5:19 AM, Che-Liang Chiou <clchiou at gmail.com> wrote:
> You specify shader model, bit size and etc. arch-specified parameters
> though -march, -mattr and -mcpu, but AFAIK, PTX backend does not use
> the GPU thread/block/grid size information in optimization yet.
>
> On Mon, Mar 12, 2012 at 8:17 PM, Xin Tong <xerox.time.tech at gmail.com> wrote:
>> I am wondering that how does the LLVM PTX backend find out the
>> constraints on executing GPU thread/block/grid size ( i.e. a block can
>> at most have 1024 threads). Can anyone point me to the code ? I need
>> information in the optimizer,  how can I get it ?
>>
>> Thanks
>>
>> Xin
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