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Search: Posts Made By: chris2be8
Forum: Factoring 2021-09-09, 15:40
Replies: 101
Views: 7,752
Posted By chris2be8
Just the higher arch one (sm_52). Sorry. PS....

Just the higher arch one (sm_52). Sorry.

PS. Does CGBN increase the maximum size of number that can be handled? I'd try it, but I'm tied up catching up with ECM work I delayed while I was getting...
Forum: Factoring 2021-09-08, 15:30
Replies: 101
Views: 7,752
Posted By chris2be8
How about having INSTALL-ecm tell users to run...

How about having INSTALL-ecm tell users to run autoreconf -i if they don't have a ./configure in the directory?

And if people get an official release would the files that would be created by...
Forum: Factoring 2021-09-07, 15:41
Replies: 101
Views: 7,752
Posted By chris2be8
How about updating INSTALL-ecm like this: ...

How about updating INSTALL-ecm like this:

diff -u INSTALL-ecm INSTALL-ecm.new
--- INSTALL-ecm 2021-09-05 12:13:55.613439408 +0100
+++ INSTALL-ecm.new 2021-09-07 16:37:42.903291304 +0100
@@...
Forum: Factoring 2021-09-06, 16:02
Replies: 101
Views: 7,752
Posted By chris2be8
Benchmark results: ...

Benchmark results:

chris@4core:~/ecm-cgbn/gmp-ecm> date;echo "(2^499-1)/20959" | ./ecm -gpu -gpucurves 3584 -sigma 3:1000 20000 0;date
Sun 5 Sep 19:42:42 BST 2021
GMP-ECM 7.0.5-dev [configured...
Forum: Factoring 2021-09-05, 18:38
Replies: 101
Views: 7,752
Posted By chris2be8
Success! The vital bit of info came from...

Success!

The vital bit of info came from putting "__gxx_personality_v0" into duckduckgo. That told me it's provided by libstdc++ which is the g++ runtime. After installing gcc9-g++ and its run...
Forum: Factoring 2021-09-05, 15:44
Replies: 101
Views: 7,752
Posted By chris2be8
I'm still stuck. I re-downloaded everything from...

I'm still stuck. I re-downloaded everything from scratch and re-ran autoreconf -si, ./configure and make. But make still fails

...
libtool: link: ( cd ".libs" && rm -f "libecm.la" && ln -s...
Forum: Factoring 2021-09-05, 05:35
Replies: 101
Views: 7,752
Posted By chris2be8
That fails: chris@4core:~> git clone -b...

That fails:

chris@4core:~> git clone -b cgbn_swap git@github.com:sethtroisi/CGBN.git
Cloning into 'CGBN'...
The authenticity of host 'github.com (140.82.121.4)' can't be established.
RSA key...
Forum: Factoring 2021-09-04, 20:10
Replies: 101
Views: 7,752
Posted By chris2be8
After rebooting using the 5.3.18-59.19-default...

After rebooting using the 5.3.18-59.19-default kernel the nvidia drivers are picked up:

4core:~ # lspci -v -s 01:00
01:00.0 VGA compatible controller: NVIDIA Corporation GM204 [GeForce GTX 970]...
Forum: Factoring 2021-09-04, 17:28
Replies: 101
Views: 7,752
Posted By chris2be8
zypper on the command line. Following the...

zypper on the command line. Following the instructions on Nvidia's web site https://developer.nvidia.com/cuda-downloads
Forum: Factoring 2021-09-04, 17:26
Replies: 101
Views: 7,752
Posted By chris2be8
I've already tried that: ...

I've already tried that:

4core:/etc/modprobe.d # cat 60-blacklist.nouveau.conf
blacklist nouveau
options nouveau modeset=0


And it is in initrd:

4core:/etc/modprobe.d # lsinitrd -f...
Forum: Factoring 2021-09-04, 17:08
Replies: 101
Views: 7,752
Posted By chris2be8
Thanks, but I've already tried that: ...

Thanks, but I've already tried that:

4core:/etc/modprobe.d # cat 60-blacklist.nouveau.conf
blacklist nouveau
options nouveau modeset=0


And it is in the current initramfs:
...
Forum: Factoring 2021-09-04, 16:00
Replies: 101
Views: 7,752
Posted By chris2be8
I'm still puzzling over it. I've upgraded the...

I'm still puzzling over it. I've upgraded the system to openSUSE Leap 15.3 and installed CUDA 11.4. But no matter what I do lspci -v still says Kernel modules: nouveau

I've tried everything I can...
Forum: Factoring 2021-09-02, 15:39
Replies: 101
Views: 7,752
Posted By chris2be8
I've installed gcc-6 (the latest in the...

I've installed gcc-6 (the latest in the repositories) and that gets past that error, but fails a bit further on:

gcc-6 --version
gcc-6 (SUSE Linux) 6.2.1 20160826 [gcc-6-branch revision 239773]...
Forum: Factoring 2021-09-01, 20:22
Replies: 101
Views: 7,752
Posted By chris2be8
And I've been having "fun" with msieve's CUDA...

And I've been having "fun" with msieve's CUDA support. The version I had been running failed saying [sort_engine.cu, 95] sort engine: (CUDA error 78: a PTX JIT compilation failed) (probably because...
Forum: Factoring 2021-09-01, 18:17
Replies: 101
Views: 7,752
Posted By chris2be8
gcc --version returns: gcc (SUSE Linux)...

gcc --version returns:

gcc (SUSE Linux) 4.8.5
Copyright (C) 2015 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for...
Forum: Factoring 2021-09-01, 16:42
Replies: 101
Views: 7,752
Posted By chris2be8
Hello, I've upgraded my system with a GTX...

Hello,

I've upgraded my system with a GTX 970 (sm_52) to openSUSE 42.2 and installed CUDA 9.0 on it. But when I try to compile ecm with GPU support ./configure says:

configure: Using cuda.h...
Forum: Factoring 2021-08-30, 16:06
Replies: 101
Views: 7,752
Posted By chris2be8
Has anyone checked ecm-cgbn can find factors? On...

Has anyone checked ecm-cgbn can find factors? On my system with a sm_30 GPU I updated test.gpuecm to pass -cgbn to ecm. But it failed to find any factors when the test cases expected them to be...
Forum: Factoring 2021-08-28, 16:32
Replies: 101
Views: 7,752
Posted By chris2be8
My system with that card has CUDA 9.1 on it. So...

My system with that card has CUDA 9.1 on it. So if you can "upgrade" to that level ecm and msieve should build.
Forum: Factoring 2021-08-28, 15:49
Replies: 101
Views: 7,752
Posted By chris2be8
After further testing on the system I was trying...

After further testing on the system I was trying it on I'm fairly sure it won't work because the GPU is sm_30 (Fermi architecture) and CGBN needs sm_35 (Kepler) or higher. I had to look in the...
Forum: Factoring 2021-08-27, 15:46
Replies: 101
Views: 7,752
Posted By chris2be8
I got that error too: $ echo...

I got that error too:

$ echo "((2^499-1)/20959)" | ./ecm -gpu -cgbn -sigma 3:1000 20000 0
GMP-ECM 7.0.5-dev [configured with GMP 6.1.2, --enable-asm-redc, --enable-gpu, --enable-assert] [ECM]...
Forum: Factoring 2021-08-25, 15:42
Replies: 101
Views: 7,752
Posted By chris2be8
I'm trying to build it on Linux, but have not had...

I'm trying to build it on Linux, but have not had much luck. I copied the process I used to build the previous version:

Download gmp-ecm-gpu_integration.zip
unzip gmp-ecm-gpu_integration.zip
cd...
Showing results 1 to 21 of 21

 
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