FAH and Hibernation

[anandhanju]

I have been using the Hibernation feature lately in Windows XP and I notice decreased performance (1.5 times to double the time for a %). The p1487's that I've been getting take about 2 hours/% while in a post-hibernation Fold, the time increased to 4hrs/%. Even shutting down the client and restarting didn't help. I do see the SSE Boost message indicating the use of assembly optimizations. I even tried explicit forceasm but as expected, it didn't help. I have also seen this on the newer p1735. The only way I can get back to the normal folding time is to restart the system.

Has anybody noticed this? Any explanations? I haven't got a chance to monitor paging activity to see if there's anything wonky there. I haven't noticed any performance degradation while using other applications (System transforms into a db+app+web server for experiments).

Oh, and no, there are no stray processes. Both FAH instances together use about 99% of the CPU.

OS: Windows XP Professional; SP2+new updates
Client: Classic 6.10 Beta 3
Hardware: Lenovo ThinkPad T60 - Intel Core Duo T2400@1.83GHz / 1GB DDR2 / No OC

EDITed for closure: I observed that my laptop throttles down when AC power is switched off (even with SpeedStep disabled in the BIOS and in the power scheme). I think when I disconnect the power when the computer is hibernating, it downclocks and stays there even when I wake up from hibernation. I'm only switching off power *after* hibernation now to avoid this condtion.

[Hyperlife]

I hibernate my Dell Inspiron 6000 with Windows XP Pro SP3 whenever I transport it, and there doesn't seem to be any effect on folding. PPD stays consistent.

I only have one instance of 6.10b3 running since my system has a Pentium M 2.0GHz.

[jrweiss]

No problems on my IBM T-42 Pentium-M...