is this useful?:
$ cat sysconf.c
#include
#include
int
main()
{
printf("nproc configured %ld\n", sysconf(_SC_NPROCESSORS_CONF));
printf("nproc online %ld\n", sysconf(_SC_NPROCESSORS_ONLN));
return 0;
}
$ cc -o sysconf sysconf.c
$ ./sysconf
nproc configured 4
nproc
On Sun, Sep 19, 2021 at 01:37:05PM -0400, Daniel Wilkins wrote:
> Hyperthreads are easy: they've been disabled for years (unless they got
> flipped on and I didn't notice.)
>
Does the setting in the BIOS need to be turned off also?
Or is it irrelevant? I had a server for a while where the
Hyperthreads are easy: they've been disabled for years (unless they got flipped
on and I didn't notice.)
Hello,
In the interest of fetching this information from Ansible for the GCC
compile farm [1], I would like to determine the number of cores
vs. hyper-threads on a system.
With OpenBSD 6.9, this is what I get with "sysctl hw" on a dual 6-core Xeon
system:
hw.model=Intel(R) Xeon(R) CPU E5-2640 0
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