jeff via Cygwin writes:
> According to the task manager, it says 'Sockets: 1'.
That number doesn't matter at all. When you have more than 64 logical
processors, you will have processor groups regardless of topology.
Below that threshold processor group configuration can be influenced
both by BIOS
Sorry, I mis-spoke in my previous post...
Mark Geisert via Cygwin wrote:
Briefly, you can't move a
thread
outside the processor group it's currently in; you have to move its process to the
new group first.
That's backward. You can't add a pr
Hi folks,
Brian Inglis via Cygwin wrote:
On 2023-09-02 12:27, jeff via Cygwin wrote:
[...]
When I run cinebench, I can get to 100% cpu utulization (at around 3ghz) on
windows.
Chances are the benchmark is designed to handle that:
"When the program is running inside the group, unless it is p
Jeff wrote:
> Thanks. I am doing the memory allocation in a single thread.
> The compute uses all the threads I can get, and the compute isn't
> scaling very well with cygwin.
> It does work well on my 16 core 32 thread processor, so for most people
> the posix threading is fine.
> jeff
For t
On 9/2/2023 12:59, Brian Inglis wrote:
On 2023-09-02 12:27, jeff via Cygwin wrote:
On 9/2/2023 10:56, Brian Inglis wrote:
On 2023-09-02 08:57, jeff via Cygwin wrote:
I have a program that is embarrassing parallel.
On my older computer which has an epyc 7302 (16 cores, 32 threads)
it scales v
On 2023-09-02 12:27, jeff via Cygwin wrote:
On 9/2/2023 10:56, Brian Inglis wrote:
On 2023-09-02 08:57, jeff via Cygwin wrote:
I have a program that is embarrassing parallel.
On my older computer which has an epyc 7302 (16 cores, 32 threads) it scales
very well using cygwin, and fully utilize
Jeff wrote:
> I have a program that is embarrassing parallel.
> On my older computer which has an epyc 7302 (16 cores, 32 threads) it
> scales very well using cygwin, and fully utilized all threads.
> On my new computer which has an epyc 7B13 (64 cores, 128 threads) it
> does not scale very well.
On 9/2/2023 10:56, Brian Inglis wrote:
On 2023-09-02 08:57, jeff via Cygwin wrote:
I have a program that is embarrassing parallel.
On my older computer which has an epyc 7302 (16 cores, 32 threads)
it scales very well using cygwin, and fully utilized all threads.
On my new computer which has a
On 2023-09-02 08:57, jeff via Cygwin wrote:
I have a program that is embarrassing parallel.
On my older computer which has an epyc 7302 (16 cores, 32 threads) it scales
very well using cygwin, and fully utilized all threads.
On my new computer which has an epyc 7B13 (64 cores, 128 threads) it d
I have a program that is embarrassing parallel.
On my older computer which has an epyc 7302 (16 cores, 32 threads) it
scales very well using cygwin, and fully utilized all threads.
On my new computer which has an epyc 7B13 (64 cores, 128 threads) it
does not scale very well.
According to the
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