GNU Scientific Library - Bugs: bug #54925, Reduce cache misses for...
You are not allowed to post comments on this tracker with your current authentication level.
bug #54925: Reduce cache misses for source_gemm_r
Submitter: | Patrick Alken <psa> | ||
Submitted: | Wed 31 Oct 2018 01:57:19 PM UTC | ||
Category: | Performance | Severity: | 3 - Normal |
Operating System: | Status: | None | |
Assigned to: | None | Open/Closed: | Open |
Release: |
Attached Files
Depends on the following items: None found
Items that depend on this one: None found
Carbon-Copy List
Follows 1 latest change.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2018-10-31 | psa | Attached File | - | ![]() |
Added 0001-Reduce-cache-misses-for-source_gemm_r.patch, #45339 |
From max =dot= bruce12 =at= gmail =dot= com
Hey guys,
I noticed that your matrix multiplication code had bad cache
performance due to a misordering of a loop. In a replicated version of
my change, I saw about 20% performance gains on my AMD FX CPU.
-Max