1800x system available

By: muziqaz (m.delete@this.gmail.com), March 17, 2017 3:07 pm
Room: Moderated Discussions
Adrian (a.delete@this.acm.org) on March 17, 2017 2:42 pm wrote:
> muziqaz (m.delete@this.gmail.com) on March 17, 2017 1:42 pm wrote:
> > Now I wonder if I'm thinking correctly hear that results would improve a bit(maybe a lot)
> > if gmpbench compilation was using zen optimisation flags? Or am I mixing things up here?
> >
> > P.S. htop shows that benchmark is single threaded, and seems
> > that final score is in line with Haswell Xeon@3.6ghz
> >
> > also to note: with every new calculations thread was jumping to different core
> >
> >
>
>
> Thanks a lot !
>
>
> The results will probably improve a little if you will run the script so:
>
>
> CFLAGS="-march=haswell -O3 -fomit-frame-pointer" ./runbench
>
>
> It seems that until better compilers will be released, compiling for
> Haswell gives better results than compiling for any older AMD CPU.
>
>
> The results will not improve much because most of the work is done inside libgmp,
> so a version of libgmp that would detect Zen would be necessary for best results.
>

but wouldn't -march=znver1 help a bit?
anyways, I will disable HT and try with different flags a bit later ;)
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TopicPosted ByDate
Is Ryzen 6-wide?Travis03/03/17 06:27 PM
  Is Ryzen 6-wide?Maynard Handley03/03/17 06:50 PM
  AMD describes it as 6 wideVertexMaster03/03/17 11:27 PM
    AMD describes it as 6 wideExophase03/04/17 12:21 PM
      AMD describes it as 6 wideanon03/04/17 12:54 PM
        AMD describes it as 6 wideTravis03/04/17 01:12 PM
          AMD describes it as 6 wideTravis03/04/17 02:05 PM
            AMD describes it as 6 wideExophase03/04/17 05:16 PM
              AMD describes it as 6 wideMichael S03/05/17 10:27 AM
              AMD describes it as 6 wideTravis03/05/17 12:45 PM
                AMD Ryzen inst lat and tputPer Hesselgren03/07/17 12:00 AM
                  AMD Ryzen inst lat and tputTravis03/07/17 01:50 PM
                    AMD Ryzen inst lat and tputGabriele Svelto03/08/17 04:37 AM
                      AMD Ryzen inst lat and tputTravis03/08/17 12:03 PM
                  AMD Ryzen inst lat and tputTravis03/07/17 02:01 PM
                    Sorry, failed to properly close code tag :( (NT)Travis03/07/17 02:02 PM
                    AMD Ryzen inst lat and tputPer Hesselgren03/07/17 02:48 PM
                      AMD Ryzen inst lat and tputTravis03/07/17 03:16 PM
                      AMD Ryzen inst lat and tputPer Hesselgren03/07/17 03:19 PM
                        AMD Ryzen inst lat and tputPer Hesselgren03/18/17 07:50 AM
                          AMD Ryzen inst lat and tputPer Hesselgren03/18/17 08:05 AM
                            AMD Ryzen inst lat and tput-7zipPer Hesselgren03/25/17 03:48 AM
                  FMA tput looks like a mistakeMichael S03/12/17 03:24 AM
                    FMA tput looks like a mistakeGian-Carlo Pascutto03/14/17 01:27 AM
                      FMA tput looks like a mistakeMichael S03/14/17 03:39 AM
                        FMA tput looks like a mistakeGian-Carlo Pascutto03/14/17 07:36 AM
                          FMA tput looks like a mistakeMichael S03/14/17 08:45 AM
                      FMA tput looks like a mistakeEmil Briggs03/14/17 04:24 PM
                        FMA tput looks like a mistakeGian-Carlo Pascutto03/15/17 01:32 AM
        AMD describes it as 6 wideBrett03/04/17 01:39 PM
      AMD describes it as 6 wideTravis03/04/17 01:06 PM
        FP & Int pipelines, AVX-256VertexMaster03/04/17 02:09 PM
          FP & Int pipelines, AVX-256Travis03/04/17 03:26 PM
          No Ryzen BKDG yetg c03/19/17 07:43 AM
            No Ryzen BKDG yetGroo03/20/17 02:02 PM
              No Ryzen BKDG & revision guide yetBrendan03/22/17 12:37 AM
                No Ryzen BKDG & revision guide yetmuziqaz03/22/17 03:26 AM
                No Ryzen BKDG & revision guide yetGroo03/22/17 06:54 AM
                  No Ryzen BKDG & revision guide yetAdrian03/22/17 07:54 AM
                  No Ryzen BKDG & revision guide yetblue03/22/17 07:58 AM
                    FMA3 bug possibly connected to power managementhobold03/22/17 09:14 AM
                      FMA3 bug possibly connected to power managementMatthias Waldhauer03/28/17 07:20 AM
                    No Ryzen BKDG & revision guide yetGroo03/23/17 06:50 AM
                  No Ryzen BKDG & revision guide yetBrendan03/23/17 11:31 PM
                    No Ryzen BKDG & revision guide yetMatthias Waldhauer03/24/17 06:08 PM
        AMD describes it as 6 wideDavid Kanter03/04/17 04:19 PM
          AMD describes it as 6 wide (how to test this?)Domaldel03/22/17 09:58 AM
            AMD describes it as 6 wide (how to test this?)Travis03/22/17 03:17 PM
              AMD describes it as 6 wide (how to test this?)Domaldel03/23/17 12:49 AM
        AMD describes it as 6 wideanon03/04/17 05:16 PM
          AMD describes it as 6 wideTravis03/05/17 12:55 PM
            AMD describes it as 6 wideDavid Kanter03/05/17 06:31 PM
              AMD describes it as 6 wideTravis03/05/17 07:23 PM
                AMD describes it as 6 wideDavid Kanter03/05/17 10:00 PM
                  AMD describes it as 6 wideTravis03/06/17 11:15 AM
                    AMD describes it as 6 wideRobert David Graham03/06/17 11:53 AM
                      AMD describes it as 6 wideTravis03/06/17 04:09 PM
                    AMD describes it as 6 wideTIm McCaffrey03/06/17 02:56 PM
                  AMD describes it as 6 wideDomaldel03/08/17 04:36 PM
                1800x system availablemuziqaz03/13/17 09:22 AM
                  1800x system availablePer Hesselgren03/16/17 03:14 AM
                    1800x system availablemuziqaz03/17/17 03:53 AM
                      1800x system availableAdrian03/17/17 07:25 AM
                        1800x system availableAdrian03/17/17 08:00 AM
                          1800x system availablemuziqaz03/17/17 11:48 AM
                          1800x system availablemuziqaz03/17/17 01:42 PM
                            1800x system availableAdrian03/17/17 02:42 PM
                              1800x system availablemuziqaz03/17/17 03:07 PM
                                1800x system availableAdrian03/17/17 03:18 PM
                            1800x system availableAdrian03/17/17 03:07 PM
                            1800x system availableDomaldel03/18/17 06:40 AM
                              1800x system availablemuziqaz03/18/17 06:54 AM
                                1800x system availablemuziqaz03/18/17 02:28 PM
                                  1800x system availablePer Hesselgren03/21/17 12:30 AM
                                    1800x system availablePer Hesselgren03/21/17 02:58 AM
                                    1800x system availableGian-Carlo Pascutto03/21/17 12:25 PM
                                      1800x system availableMichael_S03/21/17 02:24 PM
                                        1800x system availableGian-Carlo Pascutto03/21/17 02:56 PM
                                          1800x system availableMichael S03/21/17 03:36 PM
                                            done (NT)Michael S03/22/17 03:59 AM
                                      1800x system availableanonymou503/21/17 03:27 PM
                                        1800x system availableWilco03/22/17 06:17 PM
                                          1800x system availableDomaldel03/23/17 12:52 AM
                                          1800x system availableanonymou503/23/17 12:24 PM
                                    1800x system availablemuziqaz03/22/17 03:25 AM
                                      1800x system availablemuziqaz03/24/17 03:24 AM
                              1800x system availableAdrian03/18/17 08:36 AM
                    1800x system availablePer Hesselgren03/17/17 08:49 AM
                      1800x system available-16TPer Hesselgren03/17/17 01:10 PM
                      1800x system availableMichael S03/18/17 10:21 AM
                        1800x system availablePer Hesselgren03/19/17 03:06 AM
                          better test desired. This one is not pushing FPU to the limitsMichael S03/19/17 04:28 AM
                            better test desired. This one is not pushing FPU to the limitsPer Hesselgren03/19/17 08:49 AM
                              better test desired. This one is not pushing FPU to the limitsPer Hesselgren03/19/17 10:47 AM
                                better test desired. This one is not pushing FPU to the limitsMichael S03/19/17 11:45 AM
                                  better test desired. This one is not pushing FPU to the limitsMichael S03/19/17 11:47 AM
        AMD describes it as 6 widePoindexter03/05/17 07:55 PM
          AMD describes it as 6 wideTravis03/05/17 08:05 PM
            AMD describes it as 6 wideDavid Kanter03/05/17 10:03 PM
              AMD describes it as 6 wideTravis03/06/17 11:19 AM
                AMD describes it as 6 widePoindexter03/07/17 08:54 AM
                  AMD describes it as 6 wideTravis03/07/17 01:54 PM
                  AMD describes it as 6 wideanon03/08/17 04:19 AM
                    AMD describes it as 6 wideTravis03/08/17 12:35 PM
                      AMD describes it as 6 wideanon03/08/17 02:48 PM
                        AMD describes it as 6 wideTravis03/09/17 12:02 PM
                          AMD describes it as 6 wideanon03/09/17 05:44 PM
                            AMD describes it as 6 wideanon03/12/17 08:28 AM
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