[Bug 87725] [BDW Bisected] OglBatch7 performance reduced by ~7% after enable execlists

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue May 16 08:07:51 UTC 2017


https://bugs.freedesktop.org/show_bug.cgi?id=87725

Jari Tahvanainen <jari.tahvanainen at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|bisected, regression        |

--- Comment #19 from Jari Tahvanainen <jari.tahvanainen at intel.com> ---
I removed regression related tags from this issue. Based on the comment 16 and
measurements done with OglBatch7 on Ubuntu kernels one can state that gap
caused by change from ring to execlists still exist.
If one sets Aug-2015+fixes as the baseline (100%) then:
4.2.0-42-generic - Aug-2015+fixes - 100%
4.10.0-19-generic - Feb-2017+fixes ~ 80%
This is in line with glxgears numbers presented by Chris on comment 16.

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