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

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*To*: eigen@xxxxxxxxxxxxxxxxxxx*Subject*: Re: [eigen] Eigen Benchmark (number of FLOPS)*From*: Not Sure <kuerzn@xxxxxxxxxxxxxx>*Date*: Mon, 19 Dec 2011 15:13:32 +0100*Dkim-signature*: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:content-type:content-transfer-encoding; bh=mcQxkRyPmf9mIOhUJNLjIM/0qZiqNMamfD9STmPGRo4=; b=EMmZy7eWYj1AroP5GBniLZvE/R2V+5yl+hjmIoo9obi94MxQbcyAiY8KeeFztpyuUR jGKC/znDyRqytZs3fHCiczIe3FvZw02wHFummC27EPuSwoJfP1LF9/LpK3GZeQ60hKl9 vjtD7EYPbDvJMSNbJiRdBKnO6YY4r/kbofHMQ=

Ok Thanks -------- Original Message -------- Subject: Re: [eigen] Eigen Benchmark (number of FLOPS) From: Gael Guennebaud <gael.guennebaud@xxxxxxxxx> To: eigen@xxxxxxxxxxxxxxxxxxx Date: 19.12.2011 10:01 > 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 >>> >>> > >

**References**:**[eigen] Eigen Benchmark (number of FLOPS)***From:*Not Sure

**Re: [eigen] Eigen Benchmark (number of FLOPS)***From:*Gael Guennebaud

**Re: [eigen] Eigen Benchmark (number of FLOPS)***From:*Gael Guennebaud

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