Folding Forum

*hondo* A-Ch on Q6600 usually gives +10%PPD if you run two FAH SMP clients (which give 8 fahCore_a1.exe processes)

i will send your info to developer and post reply later.

could you check time per 1% on both clients for more than 2 hours with and without A-CH and post results from both FAH SMP clients?

Many thanks rilian, it's 23:14 PM here now, so if its OK with you I'll do that tomorrow.

By which time both current WUs will be finished, in fact they will complete around 01:20am

I love these SMPs, because they are so productive

Thanks again.

sure, don't hurry

it's almost 2 AM here

rilian wrote:sure, don't hurry

it's almost 2 AM here

Thanks : Are you nocturnal ?

rilian wrote:bruce please check your last post. A-Ch does not work on 8-core hardware so far. i guess you need to divide by 2 all core-related part

oops, I'm wrong, but not completely

Change it to read: Affinity changer seems to work best with a single copy of FAH-SMP (four copies of FahCore_a1) on 4-core hardware.

It also works best where nothing else is running. If you have more copies of FahCore_a1 running than you have physical cores, or you run other things that compete for the same cache, the benefit diminishes rapidly. For example, a quad that's heavily used as a file server or web server might actually have POORER performance in FAH with Affinity changer than without it, but if you remove the word "heavily" it's a good thing.

rilian wrote:*hondo* A-Ch on Q6600 usually gives +10%PPD if you run two FAH SMP clients (which give 8 fahCore_a1.exe processes)

i will send your info to developer and post reply later.

could you check time per 1% on both clients for more than 2 hours with and without A-CH and post results from both FAH SMP clients?

Hi rilian I hope this gives the information you requested, can you please make sure any response is pretty simple, I only do F@H to help the cause, I don't study how FAH works and therefore lack the knowledge of you guy's on here.
By the way, I'm running FAH on seperate Hds one on C:\ the other on D:\

Thanks now *hondo*

Both Projects are from P2653
Core : SMP Gromacs
Frames : 100
Credit : 1760 X 2


Figures below in blue are without Aff / Ch installed
Both comparisons took place over a 4.75 hours, for each time period.

FAH on C Drive –
Bench marks for C:\ from Fahmon
Min. Time / Frame : 13mn 32s - 1872.71 ppd
Avg. Time / Frame : 13mn 34s - 1868.11 ppd
Cur. Time / Frame : 13mn 36s - 1863.53 ppd
R3F. Time / Frame : 13mn 36s - 1863.53 ppd
Eff.. Time / Frame : 13mn 40s - 1854.44 ppd


FAH On D Drive
Bench marks from Fahmon
Min. Time / Frame : 13mn 25s - 1888.99 ppd
Avg. Time / Frame : 13mn 28s - 1881.98 ppd
Cur. Time / Frame : 13mn 29s - 1879.65 ppd
R3F. Time / Frame : 13mn 29s - 1879.65 ppd
Eff.. Time / Frame : 13mn 40s - 1854.44 ppd

These figures below were generated while using Aff / chan
Bench marks for C:\ from Fahmon
Min. Time / Frame : 13mn 33s - 1870.41 ppd
Avg. Time / Frame : 13mn 41s - 1852.18 ppd
Cur. Time / Frame : 13mn 50s - 1832.10 ppd
R3F. Time / Frame : 13mn 50s - 1832.10 ppd
Eff . Time / Frame : 14mn 13s - 1782.70 ppd


These figures were generated when using Aff / chan
Bench marks for D:\ from Fahmon
Min. Time / Frame : 13mn 25s - 1888.99 ppd
Avg. Time / Frame : 13mn 35s - 1865.82 ppd
Cur. Time / Frame : 13mn 30s - 1877.33 ppd
R3F. Time / Frame : 13mn 30s - 1877.33 ppd
Eff. Time / Frame : 13mn 27s - 1884.31 ppd

talked with nik4eva today:

1) as for *hondo*'s problem, we did not find solution yet. *Hondo*, could you check if fah processes are assigned to different CPUs when A-Ch is on ?

2) as for dual quads / 8-core intel processors - we started working on it! it will be supported in next version

Nice. I'm waiting for that next version eagerly so that I can try running 4 clients. Any idea when that will be ready?

hondo...

One SMP instance on a Q6600 that runs 2 instances of SMP scores a lot lower than 3300PPD. That's what is confusing.

Personally, I'm running 3.4ghz and two P2653s on my Q6600 and I only manage 2170-2190ppd. That's why everyone is second guessing you. It would take a LOT of horsepower to score 3300ppd on each instance with a Q6600.

Understand?


(ugh, just realized I was responding to a post on the previous page... take it as you may. sorry)

Rilian,

First off, thanks for promoting this great tool and to the developer for creating it.

Is there any way to add a feature that allows the user to choose which SMP clients get assigned to which cores as opposed to simply being locked at 0,2 and 1,3? When running on a quad core it would be nice if the end user could experiment and find which cores are paired and put them on the same project.

The_Barnacle

The_Barnacle, Welcome to the Folding Forums

Have you tried to set Affinity manually through Task Manager?
Right click on the process and select cores.... I have been doing that with my VM machine running two SMPs on a Quad.


Peace

8-cpu version is going to be released very soon

Affinity changer now supports 2-quad systems

Check out 1.0.5 version here
Check out 64-bit version (previous 1.0.4) on the same link

http://distributed.org.ua/forum/index.p ... topic=1149

Russian/Ukrainian topics here

http://distributed.org.ua/forum/index.php?showforum=29

All your smp affinities are belongs to Nik4eva!

rilian wrote:Affinity changer now supports 2-quad systems

Check out 1.0.5 version here
Check out 64-bit version (previous 1.0.4) on the same link

(SNIP)

Russian/Ukrainian topics here

(SNIP)

All your smp affinities are belongs to Nik4eva!

Your site is down....getting 500 error here in the US

Works ok, here.