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Search took 0.01 seconds. Search: Posts Made By: Kyle
Forum: Software 2014-07-11, 14:23
Replies: 162
Views: 44,001
Posted By Kyle
I really don't know if this is an AVX problem. I...

I really don't know if this is an AVX problem. I wrote a small programm with AVX functions, the programm run well untill he comes to the AVX instructions and give "Illegal instruction (core dumped)"....
Forum: Software 2014-07-11, 09:48
Replies: 162
Views: 44,001
Posted By Kyle
It don't help.

It don't help.
Forum: Software 2014-07-10, 14:35
Replies: 162
Views: 44,001
Posted By Kyle
Since the processor and the kernel don't support...

Since the processor and the kernel don't support it, AVX2 instructions should be in dead code parts, shouldn't they be?
Forum: Software 2014-07-09, 13:37
Replies: 162
Views: 44,001
Posted By Kyle
Floating exception (core dumped)

On a E5420 Xeon server running Linux 2.6.16.60-0.30-smp x86_64, mprime 64 bitis crashing directly after the launch throwing a "Floating exception (core dumped)"
The dump is available here:...
Forum: Software 2013-02-13, 19:26
Replies: 19
Views: 2,844
Posted By Kyle
What you have is the worst case actually, your...

What you have is the worst case actually, your system (Intel 7300 Memory Controller) is indeed SMP and not NUMA... you have an enomous memory bloat. There is nothing to do about it... but run one...
Forum: Software 2013-02-13, 00:45
Replies: 19
Views: 2,844
Posted By Kyle
Arrow I've experienced the same issues on 4x dodeca AMD...

I've experienced the same issues on 4x dodeca AMD cores. The problem is the Linux scheduler (and every other scheduler on Earth), which badly handles NUMA. I spent a large amount of time trying to...
Forum: Software 2013-01-12, 12:48
Replies: 295
Views: 129,504
Posted By Kyle
Segmentation fault

Hi, mprime 27.9 build 1 Linux64 "crashed" this morning on my computer. It said:
Segmentation faultand stopped working. Nothing in prime.log. Invoking dmesg, I got:
mprime[35596]: segfault at...
Forum: Software 2013-01-10, 00:37
Replies: 16
Views: 16,506
Posted By Kyle
I have currently 96 to 128 workers (depends on...

I have currently 96 to 128 workers (depends on the days) running on AMD plateforms. I have to say that the speed differences between Intel and AMD plateforms with SSE2 are about the same with Prime95...
Forum: Software 2012-11-26, 13:27
Replies: 9
Views: 2,138
Posted By Kyle
Of course: http://www.anandtech.com/print/2978 ...

Of course: http://www.anandtech.com/print/2978
I thought the "package" was seen as one processor. Hmmm... Thanks a lot!


Is node distance in CPU cycles or HT-link cycle?
Forum: Software 2012-11-26, 00:43
Replies: 9
Views: 2,138
Posted By Kyle
Amazing! Thanks a lot! But... Since I have 4...

Amazing! Thanks a lot!
But... Since I have 4 CPUS (with quad channel) on each: why eight memory controllers?


I use(d) SunStudio, with -fast -library=sunperf -xipo=2 -xtarget=barcelona
Forum: Software 2012-11-23, 11:28
Replies: 9
Views: 2,138
Posted By Kyle
Hey, we are also very suprised that Linux is...

Hey, we are also very suprised that Linux is doing a bad job here (we have a lot a Intel systems working with no problem); but believe me it does.
Kernel version is 2.6.32-131.17.1.el6.x86_64...
Forum: Software 2012-11-20, 11:01
Replies: 9
Views: 2,138
Posted By Kyle
4x AMD Opteron 6176 (4x 12 cores) AMD...

4x AMD Opteron 6176 (4x 12 cores)
AMD SR5690/SR5670/SP5100 Chipset
4x 8x4 Go DDR3 Registered ECC (Quad Channel) ; in theory this should be either Kingston DDR3-1600 or DDR3-1333
Forum: Hardware 2012-11-15, 11:36
Replies: 897
Views: 245,217
Posted By Kyle
Unhappy As you can see 4K, 5K and 6K worked without any...

As you can see 4K, 5K and 6K worked without any problem...
Forum: Software 2012-11-13, 01:10
Replies: 9
Views: 2,138
Posted By Kyle
Cool AMD64 on Solaris

Hi guys,
Since we found out that Linux isn't using the AMD processors and the shared memory efficiently on the machines I use to make P-1, I consider switching to OpenSolaris 11.1.
Does anyone...
Forum: Hardware 2012-11-12, 13:49
Replies: 897
Views: 245,217
Posted By Kyle
Cool 4x AMD Opteron 6176

4x AMD Opteron 6176 (4x 12 cores - 4x 32 Go DDR3)

http://pastebin.com/MZdGjv8A (too long to post it here)

I get every time a Segmentation fault at 8K FFT on 17 threads.
Does anyone have the...
Forum: Hardware 2012-11-08, 23:37
Replies: 285
Views: 57,130
Posted By Kyle
Software Version Windows64, Prime95, v27.7, build...

Software Version Windows64, Prime95, v27.7, build 2
Model Intel Core i7-2600K CPU @ 4.32GHz
Memory 8192 MB of DDR3 2144 Timings 9-10-9-24-55-2T Voltage 1.6V


[Nov 9 00:30] Using AVX FFT...
Forum: Software 2012-11-07, 16:44
Replies: 295
Views: 129,504
Posted By Kyle
Smile I launched 24 workers with multithreading on two...

I launched 24 workers with multithreading on two cores: 5x P-1 and 19x L-L/DC.
This are 4 AMD Opteron 6176, so yeah, I think memory bloat will arise.
It is getting really noisy there... It needs...
Forum: Software 2012-11-07, 13:36
Replies: 295
Views: 129,504
Posted By Kyle
48 cores

My new toy is composed of 48 (forty-eight) K10 cores and more than 100 GB of RAM, but when I'm trying to start prime95, I become:
[Comm thread Nov 7 14:28] Exchanging program options with server...
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