Will PCIe 3.0 have an impact on distributed computing projects

[Nicnac]

Hey everyone,

One last question for today: Does PCIe 3.0 make a difference in a rig used for distributed computing  when equipped with a latest high-end GPU or will the x16 lanes just never be saturated in these projects?

Thanks in advance!

[2FA]

No, there is plenty of bandwidth even with 2.0.

[PRTI]

2.0 is fine for ALLOT of modern gpu's (even at x8)

 

3.0 should be PLENTY

[Ithanul]

The difference in 3.0 and 2.0 is very negligible.  It the reason some individuals use raiser cards and ribbons so they can run multiple GPUs off a single board even when it only at 4x or 8x and not 16x.

 

Like a BOINC setup such as this one.

[Imakuni]

3 hours ago, Nicnac said:

Hey everyone,

One last question for today: Does PCIe 3.0 make a difference in a rig used for distributed computing  when equipped with a latest high-end GPU or will the x16 lanes just never be saturated in these projects?

Thanks in advance!

Like everything: it depends. For most projects, It's probably not a problem. But I can see some random BOINC project having high bandwidth requirements. Generally, you'll be fine with 3.0 8x or 2.0 x16 and above.

[Nicnac]

14 minutes ago, Ithanul said:

The difference in 3.0 and 2.0 is very negligible.  It the reason some individuals use raiser cards and ribbons so they can run multiple GPUs off a single board even when it only at 4x or 8x and not 16x.

 

Like a BOINC setup such as this one.

Woah.......

[Ithanul]

14 hours ago, Nicnac said:

Woah.......

I get to see quite a few of those on the different forum I frequent.

 

Some are all air cooled to some with crazy amount of AIOs to custom loops.  The only thing the computers do is crunch 24/7.

[Nicnac]

13 minutes ago, Ithanul said:

I get to see quite a few of those on the different forum I frequent.

 

Some are all air cooled to some with crazy amount of AIOs to custom loops.  The only thing the computers do is crunch 24/7.

What CPU is powering all those? 

Do you think my old Phenom 1090T could support a 1070 and a 970 just running boinc or folding? Obviously it would be bottlenecking in games.

[Ithanul]

Just now, Nicnac said:

What CPU is powering all those? 

Do you think my old Phenom 1090T could support a 1070 and a 970 just running boinc or folding? Obviously it would be bottlenecking in games.

You be fine running two GPUs with a 1090T.  I do so myself with my folder/BOINC rig at the moment which has a 1090T with a GTX980 and GTX960 all running under Mint Mate 18.  The 1090T has six threads so you will be fine.  I actually fold with both cards and the 1090T has three threads doing BOINC projects.

 

For rigs such as the one pictured, those types tend to run Xeons since Nvidia cards require one thread of the CPU for each card to do compute work.

[Imakuni]

On 23/10/2016 at 1:32 PM, Ithanul said:

For rigs such as the one pictured, those types tend to run Xeons since Nvidia cards require one thread of the CPU for each card to do compute work.

Which is kinda BS on the software part, given that the required thread doesn't actually do anything... but yeah, F@H needs a thread / core per Nvidia GPU.