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linux5.2: enable the option of more than 64 CPUs

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With enterprise hardware now becoming cheaply available as well as the potential upcoming Threadripper 3 CPU (depending on what AMD does with it), it's getting very easy to surpass the current limit of 64 cpus on void.  A HP DL580 G7 off ebay will run you $500-$1000 and can be configured with 40/80 (cores/threads).  For those wanting even more power a HP DL980 G7 will run you ~$5k, and is 80/160.
Note: This does not require the MAXSMP flag to be enabled as SMP supports up to 512 CPUs. Also, this is only relevant to x86_64 CPUs, as other architectures supported by Void are not capable of hitting higher values than the default.
This commit is contained in:
q5sys (JT) 2019-09-04 11:31:32 -04:00 • committed by Helmut Pozimski
parent e2b3ad4443
commit 9615d73d44
1 changed files with 1 additions and 1 deletions
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srcpkgs/linux5.2/files/x86_64-dotconfig
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@ -355,7 +355,7 @@ CONFIG_CALGARY_IOMMU_ENABLED_BY_DEFAULT=y
CONFIG_NR_CPUS_RANGE_BEGIN=2 CONFIG_NR_CPUS_RANGE_BEGIN=2
CONFIG_NR_CPUS_RANGE_END=512 CONFIG_NR_CPUS_RANGE_END=512
CONFIG_NR_CPUS_DEFAULT=64 CONFIG_NR_CPUS_DEFAULT=64
CONFIG_NR_CPUS=64 CONFIG_NR_CPUS=256
CONFIG_SCHED_SMT=y CONFIG_SCHED_SMT=y
CONFIG_SCHED_MC=y CONFIG_SCHED_MC=y
CONFIG_SCHED_MC_PRIO=y CONFIG_SCHED_MC_PRIO=y