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Fix #9601

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erasure-code: ErasureCode::encode overhead is too high

Added by Loïc Dachary over 9 years ago. Updated over 4 years ago.

Status:
New
Priority:
Normal
Assignee:
-
Category:
-
Target version:
-
% Done:

0%

Source:
other
Tags:
Backport:
Reviewed:
Affected Versions:
ceph-qa-suite:
Pull request ID:
Crash signature (v1):
Crash signature (v2):

Description

When encoding 4KB buffers it is ~15% of the total CPU being used although it is only preparing the buffers.
benchmark -O3


Files

kcachegrind.png (282 KB) kcachegrind.png benchmark -O3 Loïc Dachary, 09/26/2014 03:39 AM
jannau-bench.png (310 KB) jannau-bench.png https://github.com/ceph/ceph/pull/2558 bench Loïc Dachary, 09/26/2014 05:17 AM
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