Your message dated Sat, 09 Feb 2019 10:04:16 +0000
with message-id <[email protected]>
and subject line Bug#921698: fixed in openblas 0.3.5+ds-2
has caused the Debian Bug report #921698,
regarding openblas 0.3.5 dgemm regression on skylakeX
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
921698: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=921698
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: libopenblas-base
Version: 0.3.5+ds-1
Severity: important
https://github.com/xianyi/OpenBLAS/issues/1955
https://github.com/JuliaLang/julia/pull/30661
Julia's workaround to this issue is disablibg some kernels.
diff --git a/kernel/x86_64/KERNEL.SKYLAKEX b/kernel/x86_64/KERNEL.SKYLAKEX
index acc6356d..ad0f8973 100644
--- a/kernel/x86_64/KERNEL.SKYLAKEX
+++ b/kernel/x86_64/KERNEL.SKYLAKEX
@@ -7,12 +7,12 @@ SGEMMITCOPY = sgemm_tcopy_16_skylakex.c
SGEMMONCOPY = sgemm_ncopy_4_skylakex.c
SGEMMOTCOPY = ../generic/gemm_tcopy_4.c
-DGEMMKERNEL = dgemm_kernel_4x8_skylakex.c
+#DGEMMKERNEL = dgemm_kernel_4x8_skylakex.c
-DGEMMINCOPY = dgemm_ncopy_8_skylakex.c
-DGEMMITCOPY = dgemm_tcopy_8_skylakex.c
-DGEMMONCOPY = dgemm_ncopy_8_skylakex.c
-DGEMMOTCOPY = dgemm_tcopy_8_skylakex.c
+#DGEMMINCOPY = dgemm_ncopy_8_skylakex.c
+#DGEMMITCOPY = dgemm_tcopy_8_skylakex.c
+#DGEMMONCOPY = dgemm_ncopy_8_skylakex.c
+#DGEMMOTCOPY = dgemm_tcopy_8_skylakex.c
SGEMM_BETA = sgemm_beta_skylakex.c
DGEMM_BETA = dgemm_beta_skylakex.c
--- End Message ---
--- Begin Message ---
Source: openblas
Source-Version: 0.3.5+ds-2
We believe that the bug you reported is fixed in the latest version of
openblas, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Sébastien Villemot <[email protected]> (supplier of updated openblas package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Sat, 09 Feb 2019 10:38:22 +0100
Source: openblas
Architecture: source
Version: 0.3.5+ds-2
Distribution: unstable
Urgency: medium
Maintainer: Debian Science Team
<[email protected]>
Changed-By: Sébastien Villemot <[email protected]>
Closes: 921698
Changes:
openblas (0.3.5+ds-2) unstable; urgency=medium
.
* skylakex-dgemm.patch: new patch, fixes DGEMM regression on SkylakeX.
Thanks to Mo Zhou (Closes: #921698)
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