Re: [eigen] Eigen Benchmark (number of FLOPS) |

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*To*: eigen@xxxxxxxxxxxxxxxxxxx
*Subject*: Re: [eigen] Eigen Benchmark (number of FLOPS)
*From*: Gael Guennebaud <gael.guennebaud@xxxxxxxxx>
*Date*: Mon, 19 Dec 2011 10:01:18 +0100
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but note that this benchmark is for sequential runs, the figure would
be quite different if you consider parallel runs.
gael
On Mon, Dec 19, 2011 at 9:59 AM, Gael Guennebaud
<gael.guennebaud@xxxxxxxxx> wrote:
> don't worry, all the implementations included in this benchmark are
> comparable in terms of FLOPS in the sense that they all perform the
> same number of FLOPS for a given operation.
>
> gael
>
> On Mon, Dec 19, 2011 at 4:11 AM, Not Sure <kuerzn@xxxxxxxxxxxxxx> wrote:
>> Hi!
>> On the website http://eigen.tuxfamily.org/index.php?title=Benchmark you
>> show some pretty impressive comparison of Eigen's performance.
>> I have two consecutive questions:
>>
>> 1. Do the different implementations/library of BLAS functions differ in
>> the number of floating point operations (FLOP) they need to complete?
>>
>> 2. If yes: Did you calculate the FLOP per second using some reference
>> FLOP number or the number of actual performed FLOP of each
>> implementation/library?
>>
>> Thank you for your answer,
>>
>> Johannes
>>
>>