From ea1716ce2aaa4edf09e837796026ecd6cae9116b Mon Sep 17 00:00:00 2001 From: TiborGY Date: Sun, 27 Jan 2019 17:22:26 +0100 Subject: [PATCH] Update Makefile.rule Revert generate to install, explain the nature of the affinity conflict --- Makefile.rule | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/Makefile.rule b/Makefile.rule index 1d5dcac..faf34c0 100644 --- a/Makefile.rule +++ b/Makefile.rule @@ -85,7 +85,7 @@ VERSION = 0.3.6.dev # they need to wait for the preceding API calls to finish or risk data corruption. # NUM_PARALLEL = 2 -# If you don't need to generate the static library, please comment this in. +# If you don't need to install the static library, please comment this in. # NO_STATIC = 1 # If you don't need to generate the shared library, please comment this in. @@ -134,6 +134,8 @@ NO_WARMUP = 1 # This feature is only implemented on Linux, and is always disabled on other platforms. # Enabling affinity handling may improve performance, especially on NUMA systems, but # it may conflict with certain applications that also try to manage affinity. +# This conflict can result in threads of the application calling OpenBLAS ending up locked +# to the same core(s) as OpenBLAS, possibly binding all threads to a single core. # For this reason, affinity handling is disabled by default. Can be safely enabled if nothing # else modifies affinity settings. NO_AFFINITY = 1 -- 2.7.4