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- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [eigen] intiial ARM NEON results
- From: Benoit Jacob <jacob.benoit.1@xxxxxxxxx>
- Date: Sat, 27 Feb 2010 08:47:47 -0500
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sounds good! Looking forward to the patch :)
Benoit
2010/2/26 Konstantinos Margaritis <markos@xxxxxxxx>:
> On Saturday 27 February 2010 00:37:28 Konstantinos Margaritis wrote:
>> Hi everyone,
>>
>> I haven't finished yet, there are 4-5 functions to finish in the ARM NEON
>> port, but here is a benchmark that I managed to compile and run:
>>
>> $ PATH=~/native/bin/:$PATH g++ -O3 -DNDEBUG -DREPEAT=100 -I../
>> benchVecAdd.cpp -o benchVecAdd -lrt $ ./benchVecAdd
>
> er stupid me, that's obviously a mistake, I copied from a previous run. Here are the correct results:
>
> $ PATH=~/native/bin/:$PATH g++ -O3 -DNDEBUG -DREPEAT=1000 -I../ benchVecAdd.cpp -o benchVecAdd -lrt
> $ ./benchVecAdd
>
> 7.73s 0.0192771 GFlops
> $ PATH=~/native/bin/:$PATH g++ -O3 -DNDEBUG -DREPEAT=1000 -mfpu=neon -mfloat-abi=softfp -I../ benchVecAdd.cpp -o
> benchVecAdd -lrt
> h$ ./benchVecAdd
> 2.93s 0.0508572 GFlops
>
> That's ~2.64x faster!
>
> Konstantinos
>
>
>