On 3/21/24 14:45, Stephen Morris wrote:
On 22/3/24 00:18, Barry wrote:
On 20 Mar 2024, at 22:19, Stephen Morris <samorris@xxxxxxxxxxxxxxx>
wrote:
Just a couple of silly questions:
AVX cpu's, both Intel and AMD, have been around since 2008, and
this is 2024, why does Fedora not have support for the AVXx
instruction sets?
Not all recent CPUs have AVX, only some CPUs I believe.
Therefore the preference for detect at runtime.
I can understand the runtime detection, but why is pygame, presumably
with its support for vectors, not compiled to use AVX if available. The
math module doesn't produce the message, even though AVX can be used
with integer manipulations, does that mean it has been compiled with AVX
support or is it not checking for support?
With, in this case, the pygame module having been installed from the
Fedora repositories and producing this issue, does that mean I shouldn't
install the modules from the Fedora repositories, I should use pip3 to
install the modules as they may be compiled with AVX support?
The message I got indicated that my cpu supports AVX2, how do I
determine if it supports AVX512?
The message is about AVX2, not AVX. The computer I'm currently using is
an Intel Xeon from 2019 or maybe a bit earlier. It has AVX, but not any
of the higher ones.
You can look in /proc/cpuinfo to see the flags, or install "cpuid" to
get very detailed information.
--
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