Any benefit from CUDA 4.1 drivers?

Author	Message
Ketzer7 Send message Joined: 31 Jul 10 Posts: 7 Credit: 449,728,430 RAC: 0 Level Scientific publications	Message 23142 - Posted: 26 Jan 2012, 17:36:40 UTC Saw this today: http://www.techpowerup.com/159439/NVIDIA-Releases-CUDA-Toolkit-4.1.html So CUDA 4.1 is now a GA release I guess. Is there any advantage or improvement in using this version's dev driver versus the older CUDA 4.0 dev driver? (4.1 = 285.05.32 vs. 4.0 = 270.41.19, for Linux anyways) I've had good success running the CUDA 4.0 dev driver in the past and am leery of trying an upgrade to any newer ones on Linux. Just want to see if there would be any tangible gains from using the newer one. Thanks. ID: 23142 · Rating: 0 · rate: / Reply Quote

MarkJ Volunteer moderator Volunteer tester Send message Joined: 24 Dec 08 Posts: 738 Credit: 200,909,904 RAC: 0 Level Scientific publications	Message 23213 - Posted: 2 Feb 2012, 8:56:26 UTC - in response to Message 23142. Last modified: 2 Feb 2012, 9:06:38 UTC Saw this today: http://www.techpowerup.com/159439/NVIDIA-Releases-CUDA-Toolkit-4.1.html So CUDA 4.1 is now a GA release I guess. Is there any advantage or improvement in using this version's dev driver versus the older CUDA 4.0 dev driver? (4.1 = 285.05.32 vs. 4.0 = 270.41.19, for Linux anyways) I've had good success running the CUDA 4.0 dev driver in the past and am leery of trying an upgrade to any newer ones on Linux. Just want to see if there would be any tangible gains from using the newer one. Thanks. I asked the same thing of the Seti optimizers. Their answer was that the new stuff was a bit faster on newer (Fermi based) cards but a bit slower on the older cards (GTX295 etc). I am not sure it that was the new optimizing compiler or the (currently beta) driver. We assume the drivers are waiting on the GTX6xx cards being released some time this quarter. Generally I wait for a driver to become WHQL certified before updating. BOINC blog ID: 23213 · Rating: 0 · rate: / Reply Quote

MarkJ Volunteer moderator Volunteer tester Send message Joined: 24 Dec 08 Posts: 738 Credit: 200,909,904 RAC: 0 Level Scientific publications	Message 23281 - Posted: 7 Feb 2012, 11:42:53 UTC - in response to Message 23213. I asked the same thing of the Seti optimizers. Their answer was that the new stuff was a bit faster on newer (Fermi based) cards but a bit slower on the older cards (GTX295 etc). I am not sure it that was the new optimizing compiler or the (currently beta) driver. We assume the drivers are waiting on the GTX6xx cards being released some time this quarter. Generally I wait for a driver to become WHQL certified before updating. It seems the speed up came from compiling with the cuda41rc2 and cuda41 compilers and only on Fermi-based cards. BOINC blog ID: 23281 · Rating: 0 · rate: / Reply Quote

oldDirty Send message Joined: 17 Jan 09 Posts: 22 Credit: 3,805,080 RAC: 0 Level Scientific publications	Message 23385 - Posted: 10 Feb 2012, 22:52:02 UTC So what you waiting for, hurry hurry.. ^^ ID: 23385 · Rating: 0 · rate: / Reply Quote

GDF Volunteer moderator Project administrator Project developer Project tester Volunteer developer Volunteer tester Project scientist Send message Joined: 14 Mar 07 Posts: 1958 Credit: 629,356 RAC: 0 Level Scientific publications	Message 23387 - Posted: 10 Feb 2012, 23:49:45 UTC - in response to Message 23385. Not for us, the code was already well optimized. gdf ID: 23387 · Rating: 0 · rate: / Reply Quote