Testing Methodology

Article: Tile-based Rasterization in Nvidia GPUs
By: David (glowbin.delete@this.me.com), August 1, 2016 4:09 pm
Room: Moderated Discussions
Joel H (joel.hruska.delete@this.gmail.com) on August 1, 2016 1:57 pm wrote:
> David (glowbin.delete@this.me.com) on August 1, 2016 1:22 pm wrote:
> > If the claim is that Nvidia introduced these changes with Maxwell, wouldn't it
> > be wise to show this test running on Kepler and/or Fermi GPUs as well? All that's
> > been shown is that Maxwell and Pascal rasterize differently than AMD.
> >
> > Something is missing...
>
> I believe David states that we know NV used IMR prior to Maxwell. That's not in question.


You're right, that is not in question. Nor is it my point. In the first comment above David says:

> Starting with the Maxwell and Pascal architectures, Nvidia high-performance GPUs use tile-based
> immediate-mode rasterizers, instead of conventional full-screen immediate-mode rasterizers.

Which can be summarized as:

- Maxwell and Pascal: tile-based immediate-mode rasterizing
- pre-Maxwell: conventional immediate mode (non-tile based) rasterizing


Thus one would expect pre-Maxwell cards to exhibit different behaviors within the triangle test. I'm suggesting this be added to the video. I'd run the software myself if I still had my Kepler GPU.
< Previous Post in ThreadNext Post in Thread >
TopicPosted ByDate
Article: Tile-based Rasterization in Nvidia GPUsDavid Kanter2016/08/01 12:01 AM
  Article: Tile-based Rasterization in Nvidia GPUsBenjamin2016/08/01 02:22 AM
    GM, M = Maxwell, Tile = YesJohn H2016/08/01 05:59 AM
      GM, M = Maxwell, Tile = YesDavid Kanter2016/08/01 08:33 AM
        Updated articleDavid Kanter2016/08/01 08:35 AM
    Article: Tile-based Rasterization in Nvidia GPUsDavid Kanter2017/01/17 05:56 PM
      Optimus (d*mn, it isn't blue now)blue2017/01/19 06:34 PM
    Probably not in earlier MaxwellsDavid Kanter2017/01/17 05:56 PM
  Article: Tile-based Rasterization in Nvidia GPUsDan2016/08/01 03:12 AM
    Article: Tile-based Rasterization in Nvidia GPUsGionatan Danti2016/08/01 03:20 AM
      Article: Tile-based Rasterization in Nvidia GPUsSimon Farnsworth2016/08/01 04:00 AM
      Article: Tile-based Rasterization in Nvidia GPUsGiGNiC2016/08/01 04:30 AM
      Not deferred, still immediate-modeDavid Kanter2016/08/01 07:25 AM
        Not deferred, still immediate-modeRob Clark2016/08/01 09:44 AM
          Not deferred, still immediate-modeRob Clark2016/08/01 10:12 AM
            Not deferred, still immediate-modeSeni2016/08/01 12:25 PM
              Not deferred, still immediate-modeRob Clark2016/08/01 02:38 PM
              Not deferred, still immediate-modevvid2016/08/03 12:59 AM
            Not deferred, still immediate-modePhilip Taylor2016/08/01 04:55 PM
              Not deferred, still immediate-modeRob Clark2016/08/01 05:56 PM
                Not deferred, still immediate-modePhilip Taylor2016/08/01 07:33 PM
                  Not deferred, still immediate-modePhilip Taylor2016/08/02 04:46 PM
                    Not deferred, still immediate-modePhilip Taylor2016/08/03 01:36 PM
    Article: Tile-based Rasterization in Nvidia GPUsGabriele Svelto2016/08/01 06:48 AM
      Article: Tile-based Rasterization in Nvidia GPUsExophase2016/08/01 11:35 AM
        Article: Tile-based Rasterization in Nvidia GPUsGabriele Svelto2016/08/04 01:22 AM
  Article: Tile-based Rasterization in Nvidia GPUsGionatan Danti2016/08/01 03:16 AM
    Not deferred, still immediate-modeDavid Kanter2016/08/01 07:40 AM
  Article: Tile-based Rasterization in Nvidia GPUsJohn H2016/08/01 06:13 AM
    Article: Tile-based Rasterization in Nvidia GPUsAndrei Frumusanu2016/08/01 06:21 AM
      Article: Tile-based Rasterization in Nvidia GPUsblue2016/08/01 08:58 AM
        Article: Tile-based Rasterization in Nvidia GPUsAndrei Frumusanu2016/08/01 10:38 AM
          Article: Tile-based Rasterization in Nvidia GPUsblue2016/08/01 01:02 PM
  Article: Tile-based Rasterization in Nvidia GPUsKlimax2016/08/01 07:14 AM
    Article: Tile-based Rasterization in Nvidia GPUsAaron Spink2016/08/01 07:29 AM
  Everybody using tilesvvid2016/08/01 09:45 AM
    Everybody using tilesRob Clark2016/08/01 09:49 AM
      Everybody using tileswumpus2016/08/01 11:29 AM
        Everybody using tilesSimon Farnsworth2016/08/01 01:01 PM
          Everybody using tileswumpus2016/08/02 07:57 AM
            Everybody using tilesSimon Farnsworth2016/08/02 08:12 AM
  Testing MethodologyDavid2016/08/01 01:22 PM
    Testing MethodologyJoel H2016/08/01 01:57 PM
      Testing MethodologyDavid2016/08/01 04:09 PM
  Flicker?Wanderer2016/08/01 05:08 PM
    Flicker?Philip Taylor2016/08/01 05:30 PM
      Flicker?Beastian2016/08/01 09:33 PM
    Flicker?David Kanter2016/08/01 06:19 PM
      Flicker?Wanderer2016/08/02 07:14 AM
  Article: Tile-based Rasterization in Nvidia GPUsPM2016/08/01 06:39 PM
    Article: Tile-based Rasterization in Nvidia GPUsGiGNiC2016/08/02 12:03 PM
    GCN Imagesvvid2016/08/03 12:22 AM
      GCN ImagesVertexMaster2016/08/04 10:06 AM
        GCN Imagesvvid2016/08/04 11:30 AM
          GCN ImagesVertexMaster2016/08/04 04:38 PM
            GCN Imagesvvid2016/08/05 03:30 AM
              GCN ImagesVertexMaster2016/08/05 05:16 AM
                TBDRvvid2016/08/05 09:15 AM
                GCN1.2?vvid2016/08/07 04:33 AM
  Sorry, this is not a tile based renderer.Peter McGuinness2016/08/02 08:11 AM
    Render != RasterizeDavid Kanter2016/08/02 08:30 AM
      Render != RasterizePeter McGuinness2016/08/02 08:43 AM
        Render != RasterizeDavid Kanter2016/08/02 09:45 AM
          Render != RasterizePeter McGuinness2016/08/02 10:05 AM
            Render != RasterizePhilip Taylor2016/08/02 06:53 PM
              Render != RasterizePeter McGuinness2016/08/02 09:41 PM
                Render != RasterizePhilip Taylor2016/08/03 03:41 AM
                  Render != RasterizePeter McGuinness2016/08/04 12:34 PM
                    Render != RasterizePhilip Taylor2016/08/04 04:06 PM
                      Render != RasterizeMontaray Jack2016/08/05 02:26 PM
                        Render != RasterizeJouni Osmala2016/08/05 11:49 PM
                          Render != RasterizeMegol2016/08/06 03:30 AM
                            Render != RasterizeJouni Osmala2016/08/06 09:08 AM
                              Scratching that itchMontaray Jack2016/08/06 10:42 AM
                            Render != RasterizeMontaray Jack2016/08/06 10:08 AM
  Article: Tile-based Rasterization in Nvidia GPUsDoug Patel2016/08/02 09:39 AM
  Article: Tile-based Rasterization in Nvidia GPUsMontaray Jack2016/08/02 10:35 AM
    Article: Tile-based Rasterization in Nvidia GPUsdglow2016/08/02 05:08 PM
      Article: Tile-based Rasterization in Nvidia GPUsMontaray Jack2016/08/03 04:43 AM
        Article: Tile-based Rasterization in Nvidia GPUsdglow2016/08/03 07:04 AM
          Article: Tile-based Rasterization in Nvidia GPUsmarees2016/08/03 12:46 PM
      Article: Tile-based Rasterization in Nvidia GPUsDavid Kanter2016/08/04 08:03 AM
        Article: Tile-based Rasterization in Nvidia GPUsMontaray Jack2016/08/04 11:47 AM
    Oh god, the spambots have finally found us (NT)Anon2017/01/17 05:27 AM
      Delete the messages ASAPGtoo2017/01/17 03:19 PM
  Article: Tile-based Rasterization in Nvidia GPUssteve m2017/05/10 05:16 PM
    Article: Tile-based Rasterization in Nvidia GPUsGabriele Svelto2017/05/10 07:15 PM
      Article: Tile-based Rasterization in Nvidia GPUssteve m2017/05/11 10:11 AM
        Article: Tile-based Rasterization in Nvidia GPUsGabriele Svelto2017/05/12 02:15 AM
          Article: Tile-based Rasterization in Nvidia GPUssteve m2017/05/16 11:49 AM
            Article: Tile-based Rasterization in Nvidia GPUsGabriele Svelto2017/05/17 05:43 AM
              Article: Tile-based Rasterization in Nvidia GPUssteve m2017/05/17 08:35 PM
                Article: Tile-based Rasterization in Nvidia GPUspocak2017/05/18 04:19 PM
                  Article: Tile-based Rasterization in Nvidia GPUsDavid Kanter2017/05/20 07:55 AM
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