From: Caz Yokoyama <Caz.Yokoyama@intel.com>
To: Chris Wilson <chris@chris-wilson.co.uk>, igt-dev@lists.freedesktop.org
Subject: Re: [igt-dev] [igt PATCH v1 1/1] i915/gem_ctx_switch: evenly run 4 child processes
Date: Tue, 26 Feb 2019 08:07:41 -0800 [thread overview]
Message-ID: <9b7cd7a19ac20b25c97cb68ae094c684e1c01e82.camel@intel.com> (raw)
In-Reply-To: <155088248087.5082.3920526708956159738@skylake-alporthouse-com>
Drop this patch. Chris submitted the better patch.
-caz
On Sat, 2019-02-23 at 00:41 +0000, Chris Wilson wrote:
> Quoting Caz Yokoyama (2019-02-23 06:54:20)
> > gem_ctx_switch@basic-all-light test creates 4 child processes for
> > each
> > engine and wait. render engine runs slower than others. By this
> > patch,
> > 4 child processes run fairly evenly. As a result, parent process
> > runs
> > faster. On my NUC, its execution time becomes about half.
>
> A much bigger problem is that there is very little variety in
> gem_ctx_switch. There are a few more patterns of context switches
> that
> would be interesting (and need to anticipate different scheduler
> queue
> depths) and a smoketest of those.
> -Chris
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next prev parent reply other threads:[~2019-02-26 16:01 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-23 6:54 [igt-dev] [igt PATCH v1 1/1] i915/gem_ctx_switch: evenly run 4 child processes Caz Yokoyama
2019-02-23 0:25 ` [igt-dev] ✓ Fi.CI.BAT: success for series starting with [v1,1/1] " Patchwork
2019-02-23 0:41 ` [igt-dev] [igt PATCH v1 1/1] " Chris Wilson
2019-02-26 16:07 ` Caz Yokoyama [this message]
2019-02-23 1:09 ` Antonio Argenziano
2019-02-23 1:34 ` [igt-dev] [PATCH i-g-t] i915/gem_ctx_switch: Use minimum qlen over all engines and measure switches Chris Wilson
2019-02-25 18:28 ` Caz Yokoyama
2019-02-25 18:29 ` [Intel-gfx] " Chris Wilson
2019-02-26 16:14 ` [igt-dev] " Caz Yokoyama
2019-02-26 16:15 ` Chris Wilson
2019-02-23 2:00 ` [igt-dev] ✓ Fi.CI.BAT: success for series starting with [i-g-t] i915/gem_ctx_switch: Use minimum qlen over all engines and measure switches (rev2) Patchwork
2019-02-23 6:42 ` [igt-dev] ✓ Fi.CI.IGT: success for series starting with [v1,1/1] i915/gem_ctx_switch: evenly run 4 child processes Patchwork
2019-02-23 9:31 ` [igt-dev] ✓ Fi.CI.IGT: success for series starting with [i-g-t] i915/gem_ctx_switch: Use minimum qlen over all engines and measure switches (rev2) Patchwork
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