Folding Forum

Posted: **Mon Jan 30, 2012 1:48 am**

With fahcore_78, linux and windows performed the same. So windows was not slowing down the processing to where it could be measured. So safe mode is unlikely to change anything.

If I had to guess, SMP fahcores would be the same way. On a dedicated Windows system, very little of anything else takes up any processing time. Look at your task manger/process list. Add the CPU Time column. Fah gets hours of time, while a dozen other things get a few seconds. Those same dozen things will still get a few seconds in safe mode.

However, I am still curious and open minded enough to allow for SMP to behave differently, if proven so.

But echo again that there are so many other and better ways to tweak performance.

Posted: **Mon Jan 30, 2012 1:53 am**

It's not that the other processes are taking up much time all the time, as much as services such as disk fragmenter and antivirus, etc. which take A LOT of CPU time (especially if you have AVG or Norton), so those not running can allow FAH to run slightly faster. It might not be much, but overnight for many nights with many people might be significant (still not much, but it would be better than nothing).

Posted: **Mon Jan 30, 2012 2:25 am**

There are better ways of lessening the impact of your AV scan than running in safe mode. There are also better ways of screwing up your PC, but running with no AV software is right up there near the top of the list.

Try to think this through a little better. If your PC gets infected and can't run fah, saving a few seconds or even minutes (a stretch) each night is not worth the trouble.

Or just uninstall Norton. Disable defrag. Running in safe mode seems like overkill. You could just as easily setup a different user login that didn't have these applications at all, and run fah from that user account.

Posted: **Mon Jan 30, 2012 2:52 am**

Or run Windows 64bit they still have not been able to make a virus that attacks 64bit OS to my knowledge.

Posted: **Mon Jan 30, 2012 3:11 am**

Not true there Grandpa, my 64 bit vista box had picked something up a while ago. Thought I was going to have to nuke it, but managed to clear it out without causing any apparent damage.

Posted: **Mon Jan 30, 2012 3:15 am**

Grandpa_01 wrote:Or run Windows 64bit they still have not been able to make a virus that attacks 64bit OS to my knowledge.

That is NOT true! There a many 64-bit viruses! Plus, a 64-bit computer is still able to run 32-bit programs, so a 32-bit virus would work just fine on a 64-bit computer. Just open Task Manager and go to the processes tab and see how many processes have "*32" after their name! Just because an OS is new (and 64-bit isn't, anyways) doesn't mean that there are no viruses for it. In fact, I've been able to create a simple batch virus that is only 5 lines long and still (relatively) difficult to remove! So if you're running 64-bit Windows without AV, then your computer is very vulnerable!

EDIT: Argh! Ravage7779 got there first!

Posted: **Mon Jan 30, 2012 3:46 am**

Stonecold wrote:
Grandpa_01 wrote:Or run Windows 64bit they still have not been able to make a virus that attacks 64bit OS to my knowledge.
That is NOT true! There a many 64-bit viruses! Plus, a 64-bit computer is still able to run 32-bit programs, so a 32-bit virus would work just fine on a 64-bit computer. Just open Task Manager and go to the processes tab and see how many processes have "*32" after their name! Just because an OS is new (and 64-bit isn't, anyways) doesn't mean that there are no viruses for it. In fact, I've been able to create a simple batch virus that is only 5 lines long and still (relatively) difficult to remove! So if you're running 64-bit Windows without AV, then your computer is very vulnerable!

EDIT: Argh! Ravage7779 got there first!

Google it there is no real 64bit viruses yet. There are some 32bit viruses that can run on the 32bit applications that run on 64bit but they can not affect the OS itself. To my knoledge there has only been 2 discovered 1 in 2005 and another in 2007 and neither could do anything once they were installed. I have not read about any others since. That does not mean there will never be 1 but so far the hackers have not been able to accomplish it. At least not to my knoledge. If you find 1 or know of 1 could you give me a link, I would like to read about it.

Posted: **Mon Jan 30, 2012 3:51 am**

Grandpa_01 wrote:Google it there is no real 64bit viruses yet. There are some 32bit viruses that can run on the 32bit applications that run on 64bit but they can not affect the OS itself. To my knoledge there has only been 2 discovered 1 in 2005 and another in 2007 and neither could do anything once they were installed. I have not read about any others since. That does not mean there will never be 1 but so far the hackers have not been able to accomplish it. At least not to my knoledge. If you find 1 or know of 1 could you give me a link, I would like to read about it.

Excuse me, but I just did out of curiosity: https://www.google.com/search?aq=f&ix=h ... -bit+virus
Right off the bat there are articles from 2004, so clearly they are around, and I see no reason why 64-bit viruses wouldn't keep existing past then.
It is always fun to learn something new and interesting, so enjoy reading those articles.

EDIT: so it seems that while they are much more rare than their 32-bit counterparts, they still do exist. Now I'm going to take a moment to figure out how we got here from "Folding@home in Safe Mode" ...

Posted: **Mon Jan 30, 2012 3:55 am**

Jesse_V wrote:
Grandpa_01 wrote:Google it there is no real 64bit viruses yet. There are some 32bit viruses that can run on the 32bit applications that run on 64bit but they can not affect the OS itself. To my knoledge there has only been 2 discovered 1 in 2005 and another in 2007 and neither could do anything once they were installed. I have not read about any others since. That does not mean there will never be 1 but so far the hackers have not been able to accomplish it. At least not to my knoledge. If you find 1 or know of 1 could you give me a link, I would like to read about it.
Excuse me, but I just did out of curiosity: https://www.google.com/search?aq=f&ix=h ... -bit+virus
Right off the bat there are articles from 2004, so clearly they are around, and I see no reason why 64-bit viruses wouldn't keep existing past then.
It is always fun to learn something new and interesting, so enjoy reading those articles.

EDIT: so it seems that while they are much more rare than their 32-bit counterparts, they still do exist. Now I'm going to take a moment to figure out how we got here from "Folding@home in Safe Mode" ...

Did you read the article it could not do anything that is 1 of the 2 I pointed out I just had the year wrong. Continue searching.

Posted: **Mon Jan 30, 2012 4:12 am**

Jesse_V wrote:Now I'm going to take a moment to figure out how we got here from "Folding@home in Safe Mode" ...

You're right!

Maybe we should get back on topic...

Posted: **Mon Jan 30, 2012 3:48 pm**

If it is a dedicated F@h box i would not run any AV program on it - i never did when i ran my gpu box. If on the other hand you use the rig for ANYTHING else stick with the AV product of your choice - although norton has a history of issues with F@H

Posted: **Mon Jan 30, 2012 7:51 pm**

If disk check and disk reorg and virus scans are taking too much time away from FAH, change their schedules to manual and run them when you choose to.

I think the point of 64-bit viruses being rare could be restated. Suppose you're "evil" and you wish to create a virus. Why would you create a 64-bit virus that can only run on 64-bit systems when you can just as easily compile the virus in 32-bit and it can do it's assigned job on EITHER 32-bit or 64-bit systems?

Posted: **Mon Jan 30, 2012 11:14 pm**

7im nailed it, there's no difference between safe mode and normal mode.

Here's the last 75% from the same p6993(0,16,338)

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[12:56:22] Completed 125000 out of 500000 steps  (25%)
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Normal Mode

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[11:18:12] Completed 125000 out of 500000 steps  (25%)
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Posted: **Mon Jan 30, 2012 11:17 pm**

Oh well...

Posted: **Mon Jan 30, 2012 11:26 pm**

Nathan_P wrote:If it is a dedicated F@h box i would not run any AV program on it - i never did when i ran my gpu box. If on the other hand you use the rig for ANYTHING else stick with the AV product of your choice - although norton has a history of issues with F@H

Norton has a history of interfering with everything... It just sucks in general.

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