llvm dev - Jun 2017 - loop unroll factor

thank you;
did with this;
-force-vector-interleave.

What is the difference between -loop-vectorize and -O3 in opt?
I am using O3 its fine?

On Sat, Jun 24, 2017 at 7:33 AM, Hal Finkel <hfinkel at anl.gov> wrote:
> As I recall, you can use #pragma clang loop unroll(n) interleave(m)
>
> To use an unrolling factor of n and an interleaving factor of m.
>
>  -Hal
> On 06/23/2017 09:30 PM, hameeza ahmed wrote:
>
> how to set loop unroll factor in llvm?
>
>
>
> --
> Hal Finkel
> Lead, Compiler Technology and Programming Languages
> Leadership Computing Facility
> Argonne National Laboratory
>
>
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On 06/23/2017 09:39 PM, hameeza ahmed wrote:
> thank you;
> did with this;
> -force-vector-interleave.
>
> What is the difference between -loop-vectorize and -O3 in opt?
> I am using O3 its fine?
-O3 enables a bunch of different optimizations, the loop vectorizer 
included.

  -Hal
>
> On Sat, Jun 24, 2017 at 7:33 AM, Hal Finkel <hfinkel at anl.gov 
> <mailto:hfinkel at anl.gov>> wrote:
>
>     As I recall, you can use #pragma clang loop unroll(n) interleave(m)
>
>     To use an unrolling factor of n and an interleaving factor of m.
>
>      -Hal
>
>     On 06/23/2017 09:30 PM, hameeza ahmed wrote:
>>     how to set loop unroll factor in llvm?
>>
>>
>
>     -- 
>     Hal Finkel
>     Lead, Compiler Technology and Programming Languages
>     Leadership Computing Facility
>     Argonne National Laboratory
>
>
-- 
Hal Finkel
Lead, Compiler Technology and Programming Languages
Leadership Computing Facility
Argonne National Laboratory

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