From c6c753668dd80b38f42ae5355371b28e43af5649 Mon Sep 17 00:00:00 2001 From: Tom Hall Date: Sat, 14 Mar 2020 12:13:19 +0000 Subject: openblas: disable optimisation pending fix See https://github.com/xianyi/OpenBLAS/issues/2496 --- ...-optimised-aarch64-dgemm_beta-pending-fix.patch | 26 ++++++++++++++++++++++ .../libraries/science/math/openblas/default.nix | 6 +++++ 2 files changed, 32 insertions(+) create mode 100644 pkgs/development/libraries/science/math/openblas/0001-Disable-optimised-aarch64-dgemm_beta-pending-fix.patch (limited to 'pkgs/development/libraries/science') diff --git a/pkgs/development/libraries/science/math/openblas/0001-Disable-optimised-aarch64-dgemm_beta-pending-fix.patch b/pkgs/development/libraries/science/math/openblas/0001-Disable-optimised-aarch64-dgemm_beta-pending-fix.patch new file mode 100644 index 000000000000..1da1f3fb3190 --- /dev/null +++ b/pkgs/development/libraries/science/math/openblas/0001-Disable-optimised-aarch64-dgemm_beta-pending-fix.patch @@ -0,0 +1,26 @@ +From 6cb9aa7c69c20a677ca9fb1bc5fa1580e3236fbd Mon Sep 17 00:00:00 2001 +From: Tom Hall +Date: Sat, 14 Mar 2020 11:55:45 +0000 +Subject: [PATCH] Disable optimised aarch64 dgemm_beta pending fix + +Identified as source of https://github.com/xianyi/OpenBLAS/issues/2496, +but not yet fixed. +--- + kernel/arm64/KERNEL.ARMV8 | 1 - + 1 file changed, 1 deletion(-) + +diff --git a/kernel/arm64/KERNEL.ARMV8 b/kernel/arm64/KERNEL.ARMV8 +index fe32d313..33d12f94 100644 +--- a/kernel/arm64/KERNEL.ARMV8 ++++ b/kernel/arm64/KERNEL.ARMV8 +@@ -102,7 +102,6 @@ CDOTKERNEL = zdot.S + ZDOTKERNEL = zdot.S + DSDOTKERNEL = dot.S + +-DGEMM_BETA = dgemm_beta.S + SGEMM_BETA = sgemm_beta.S + + SGEMMKERNEL = sgemm_kernel_$(SGEMM_UNROLL_M)x$(SGEMM_UNROLL_N).S +-- +2.24.1 + diff --git a/pkgs/development/libraries/science/math/openblas/default.nix b/pkgs/development/libraries/science/math/openblas/default.nix index 9c411234357a..38ad31cc6257 100644 --- a/pkgs/development/libraries/science/math/openblas/default.nix +++ b/pkgs/development/libraries/science/math/openblas/default.nix @@ -123,6 +123,12 @@ stdenv.mkDerivation rec { buildPackages.stdenv.cc ]; + # Disable an optimisation which seems to cause issues, pending an + # upstream fix: https://github.com/xianyi/OpenBLAS/issues/2496 + patches = stdenv.lib.optionals stdenv.hostPlatform.isAarch64 [ + ./0001-Disable-optimised-aarch64-dgemm_beta-pending-fix.patch + ]; + makeFlags = mkMakeFlagsFromConfig (config // { FC = "${stdenv.cc.targetPrefix}gfortran"; CC = "${stdenv.cc.targetPrefix}${if stdenv.cc.isClang then "clang" else "cc"}"; -- cgit 1.4.1