[Bug 82050] New: R9270X pyrit benchmark perf regressions with latest kernel/llvm - bugzilla-daemon

From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 82050] New: R9270X pyrit benchmark perf regressions with latest kernel/llvm
Date: Sat, 02 Aug 2014 12:04:50 +0000	[thread overview]
Message-ID: <bug-82050-502@http.bugs.freedesktop.org/> (raw)

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https://bugs.freedesktop.org/show_bug.cgi?id=82050

          Priority: medium
            Bug ID: 82050
          Assignee: dri-devel@lists.freedesktop.org
           Summary: R9270X pyrit benchmark perf regressions with latest
                    kernel/llvm
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: adf.lists@gmail.com
          Hardware: Other
            Status: NEW
           Version: git
         Component: Drivers/Gallium/radeonsi
           Product: Mesa

Don't really have time to bisect this but posting FYI.

Maybe pyrit benchmark is the glxgears of benchmarks - if so please say so and
I'll ignore it :-)

Status Que for my R9 270X pyrit 0.3.0 since I got it in May has been around -

Computed 75761.96 PMKs/s total.
#1: 'OpenCL-Device 'AMD PITCAIRN'': 73256.9 PMKs/s (RTT 0.8)
#2: 'CPU-Core (SSE2)': 743.3 PMKs/s (RTT 2.9)
#3: 'CPU-Core (SSE2)': 741.3 PMKs/s (RTT 2.8)
#4: 'CPU-Core (SSE2)': 740.2 PMKs/s (RTT 2.9)
#5: 'Network-Clients': 0.0 PMKs/s (RTT 0.0)

This was kernel agd5f drm-fixes-3.16-wip

I noticed yesterday after trying agd5f drm-next-3.17-rebased-on-fixes that I
lost around 10,000 PMKs/s with the newer kernel.

Both were with yesterdays mesa but llvm was older say a couple of weeks.

Updated llvm and mesa today and it's regressed more on both kernels - 

drm-fixes-3.16-wip

Computed 58233.89 PMKs/s total.
#1: 'OpenCL-Device 'AMD PITCAIRN'': 56076.6 PMKs/s (RTT 1.1)
#2: 'CPU-Core (SSE2)': 753.6 PMKs/s (RTT 2.9)
#3: 'CPU-Core (SSE2)': 754.5 PMKs/s (RTT 2.9)
#4: 'CPU-Core (SSE2)': 753.0 PMKs/s (RTT 2.9)
#5: 'Network-Clients': 0.0 PMKs/s (RTT 0.0)

drm-next-3.17-rebased-on-fixes

Computed 52379.38 PMKs/s total.
#1: 'OpenCL-Device 'AMD PITCAIRN'': 48822.1 PMKs/s (RTT 1.2)
#2: 'CPU-Core (SSE2)': 753.8 PMKs/s (RTT 2.9)
#3: 'CPU-Core (SSE2)': 754.9 PMKs/s (RTT 3.0)
#4: 'CPU-Core (SSE2)': 754.8 PMKs/s (RTT 2.9)
#5: 'Network-Clients': 0.0 PMKs/s (RTT 0.0)

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