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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - R9270X pyrit benchmark perf regressions with latest kernel/llvm"
href="https://bugs.freedesktop.org/show_bug.cgi?id=82050#c12">Comment # 12</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - R9270X pyrit benchmark perf regressions with latest kernel/llvm"
href="https://bugs.freedesktop.org/show_bug.cgi?id=82050">bug 82050</a>
from <span class="vcard"><a class="email" href="mailto:adf.lists@gmail.com" title="Andy Furniss <adf.lists@gmail.com>"> <span class="fn">Andy Furniss</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=82050#c11">comment #11</a>)
<span class="quote">> Created <span class=""><a href="attachment.cgi?id=104549" name="attach_104549" title="Only flush HDP cache for indirect buffers from userspace">attachment 104549</a> <a href="attachment.cgi?id=104549&action=edit" title="Only flush HDP cache for indirect buffers from userspace">[details]</a></span>
> Only flush HDP cache for indirect buffers from userspace
>
> Does this patch help?</span >
No, I'm afraid that doesn't help either.
Valley is the same - pyrit only slightly different, probably within random
variation.
I am testing with "bad" llvm so the numbers are all low.
As I recorded them here's a paste of pyrit good (kernel), head, patch 1 and
patch 2
On good -
Running benchmark (57982.3 PMKs/s)... /
Computed 58917.21 PMKs/s total.
#1: 'OpenCL-Device 'AMD PITCAIRN'': 55101.4 PMKs/s (RTT 1.1)
#2: 'CPU-Core (SSE2)': 757.2 PMKs/s (RTT 2.9)
#3: 'CPU-Core (SSE2)': 756.0 PMKs/s (RTT 3.0)
#4: 'CPU-Core (SSE2)': 755.5 PMKs/s (RTT 2.8)
#5: 'Network-Clients': 0.0 PMKs/s (RTT 0.0)
On head
Running benchmark (50267.7 PMKs/s)... \
Computed 50096.30 PMKs/s total.
#1: 'OpenCL-Device 'AMD PITCAIRN'': 48501.1 PMKs/s (RTT 1.2)
#2: 'CPU-Core (SSE2)': 757.5 PMKs/s (RTT 2.9)
#3: 'CPU-Core (SSE2)': 757.1 PMKs/s (RTT 2.9)
#4: 'CPU-Core (SSE2)': 757.0 PMKs/s (RTT 2.9)
#5: 'Network-Clients': 0.0 PMKs/s (RTT 0.0)
Head + patch one
Running benchmark (50883.7 PMKs/s)... -
Computed 51220.59 PMKs/s total.
#1: 'OpenCL-Device 'AMD PITCAIRN'': 48583.5 PMKs/s (RTT 1.2)
#2: 'CPU-Core (SSE2)': 756.5 PMKs/s (RTT 3.0)
#3: 'CPU-Core (SSE2)': 756.0 PMKs/s (RTT 2.9)
#4: 'CPU-Core (SSE2)': 754.2 PMKs/s (RTT 2.9)
#5: 'Network-Clients': 0.0 PMKs/s (RTT 0.0)
Head + patch two
Running benchmark (51348.9 PMKs/s)... |
Computed 50781.53 PMKs/s total.
#1: 'OpenCL-Device 'AMD PITCAIRN'': 48676.9 PMKs/s (RTT 1.2)
#2: 'CPU-Core (SSE2)': 752.4 PMKs/s (RTT 2.9)
#3: 'CPU-Core (SSE2)': 755.4 PMKs/s (RTT 2.9)
#4: 'CPU-Core (SSE2)': 752.8 PMKs/s (RTT 2.9)
#5: 'Network-Clients': 0.0 PMKs/s (RTT 0.0)</pre>
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