Results 1 to 7 of 7
  1. #1
    U D13 N0W's Avatar
    Join Date
    Mar 2008
    Location
    Maryland

    quick question about P4 HT install

    gotta quick question about installing on a P4 HT system. How do i go about setting up a client on the second core?
    Im trying to run two seperate clients on this rig b/c it is not on too often so a SMP would be impractical.
    Don't just waste your spare CPU cycles, Fold for T32

    Main rig- Dell Inspiron 9300, Pentium M SL7SM 2.0GHz/2M/533, 2GB mem., ATI M300, Win XP. Undervolted for some nice icy laptop temps
    Folding rigs- 4X AOpen i915GMm-N, 1GB mem. each, Pentium Ms each OCed to 2.4GHz
    (yes i finally got them all to 2.4)
    All 11.6GHz folding for T32

    RIP Official OCF podcast

  2. #2
    Sith Lord drshivas's Avatar
    10 Year Badge
    Join Date
    Jun 2003
    Location
    Maryland, USA
    Benching Profile Heatware Profile Rosetta Profile
    While you can run two instances of a single core client on a HT enabled P4, Stanford asks that you do not. It slows down the science being done b/c it takes longer for two units to be completed. Besides, the ppd gain from doing so isn't that dramatic.

    If you choose to do so, make two separate folders, fah1 and fah2, and select advanced setup options when setting your config. The last option should be machine id. Set the first instance in fah1 folder to 1 and the second instance in fah2 folder to 2.

  3. #3
    Folding Team Content Editor
    Who Dolk'd my stars Senior Member
    deadlysyn's Avatar
    Join Date
    Mar 2005
    Location
    Stealing your megahurtz at night
    Author Profile
    The last time I tried doing this, the gain in PPD was not worth the slowdown as far as the science is concerned IMO. Just keep in mind, the P4 with HT is not a true dual core, instead it basically "virtualizes" a second core, so Winderz will still think it is a dual core CPU. Even though Task Manager will say you are only folding at 50%, you are actually folding at 100% (I like to think of this as a flaw in Microsofts programming). By running 2 clients simultaneously, you are essentially only using half the core to run one WU, while the other half is working the other. Depending on which P4 it is, it may be able to just barely make SMP deadlines, as I know ChasR has a few folding SMP. I do believe they are pretty dedicated to be able to make the SMP deadlines.
    Water and Air Cooling Lead Senior
    Folding for Team 32 as 8thDeadlySyn Folding in the memory of pscout
    I'm a Team 32 Folding Mentor. Ask me about Folding.
    Gigabyte GA-EP45-UD3LR, Q9550@3.5, 4 GB Corsair Dominator DDR2-1066, Corsair Force F60, 300 GB Maxtor SATAII, EVGA GTX460 v2
    Laing D5 Vario, D-Tek Fuzion V1, Swiftech MCW60, Swiftech MCRES V2, HWLabs BIX3, 3 Panaflo FBA12G12U's on Rheobus, Primochill LRT black, Antec 900

    Gigabyte GA-MA790FXT-UD5P, Athlon II X3 445, TRU120, 4 GB Kingston HyperX DDR3-1600, 8800GTS 320MB, 320 GB Maxtor Sata, SB Audigy SE
    HEAT - My Folding Stats
    Would you like to see your writing on the front page? Ask me how!

    Last edited by m0r7if3r on 1-23-2011 at 12:45 PM. Reason: I haz uber 1337 h4x0rz 5k1llz

  4. #4
    U D13 N0W's Avatar
    Join Date
    Mar 2008
    Location
    Maryland
    Quote Originally Posted by deadlysyn View Post
    The last time I tried doing this, the gain in PPD was not worth the slowdown as far as the science is concerned IMO. Just keep in mind, the P4 with HT is not a true dual core, instead it basically "virtualizes" a second core, so Winderz will still think it is a dual core CPU. Even though Task Manager will say you are only folding at 50%, you are actually folding at 100% (I like to think of this as a flaw in Microsofts programming). By running 2 clients simultaneously, you are essentially only using half the core to run one WU, while the other half is working the other. Depending on which P4 it is, it may be able to just barely make SMP deadlines, as I know ChasR has a few folding SMP. I do believe they are pretty dedicated to be able to make the SMP deadlines.
    Thanks for the info. I hadn't known all the details with HT. It sounds like a sales scam to make people think they are getting more for their money. Glad to know I'm actually getting 100% of the CPU on the folding. Also thanks to drshivas
    Don't just waste your spare CPU cycles, Fold for T32

    Main rig- Dell Inspiron 9300, Pentium M SL7SM 2.0GHz/2M/533, 2GB mem., ATI M300, Win XP. Undervolted for some nice icy laptop temps
    Folding rigs- 4X AOpen i915GMm-N, 1GB mem. each, Pentium Ms each OCed to 2.4GHz
    (yes i finally got them all to 2.4)
    All 11.6GHz folding for T32

    RIP Official OCF podcast

  5. #5
    Folding Team Content Editor
    Who Dolk'd my stars Senior Member
    deadlysyn's Avatar
    Join Date
    Mar 2005
    Location
    Stealing your megahurtz at night
    Author Profile
    It wasn't really a sales scam. There was something implemented in the architecture that makes it work somewhat like a dual core, but doesn't quite get close to the same speed increase. What you are likely to see is just a 30% increase, but at the time, you will still be slowing down the WU's which is bad for the science. Here is a Wiki article about HT that I have found. Hope this helps understand it a bit.
    Water and Air Cooling Lead Senior
    Folding for Team 32 as 8thDeadlySyn Folding in the memory of pscout
    I'm a Team 32 Folding Mentor. Ask me about Folding.
    Gigabyte GA-EP45-UD3LR, Q9550@3.5, 4 GB Corsair Dominator DDR2-1066, Corsair Force F60, 300 GB Maxtor SATAII, EVGA GTX460 v2
    Laing D5 Vario, D-Tek Fuzion V1, Swiftech MCW60, Swiftech MCRES V2, HWLabs BIX3, 3 Panaflo FBA12G12U's on Rheobus, Primochill LRT black, Antec 900

    Gigabyte GA-MA790FXT-UD5P, Athlon II X3 445, TRU120, 4 GB Kingston HyperX DDR3-1600, 8800GTS 320MB, 320 GB Maxtor Sata, SB Audigy SE
    HEAT - My Folding Stats
    Would you like to see your writing on the front page? Ask me how!

    Last edited by m0r7if3r on 1-23-2011 at 12:45 PM. Reason: I haz uber 1337 h4x0rz 5k1llz

  6. #6
    U D13 N0W's Avatar
    Join Date
    Mar 2008
    Location
    Maryland
    thanks for the info
    Don't just waste your spare CPU cycles, Fold for T32

    Main rig- Dell Inspiron 9300, Pentium M SL7SM 2.0GHz/2M/533, 2GB mem., ATI M300, Win XP. Undervolted for some nice icy laptop temps
    Folding rigs- 4X AOpen i915GMm-N, 1GB mem. each, Pentium Ms each OCed to 2.4GHz
    (yes i finally got them all to 2.4)
    All 11.6GHz folding for T32

    RIP Official OCF podcast

  7. #7
    Folding Team Content Editor
    Who Dolk'd my stars Senior Member
    deadlysyn's Avatar
    Join Date
    Mar 2005
    Location
    Stealing your megahurtz at night
    Author Profile
    Glad I could be of some help. I just personally set up the SMP client on my 530J, but that is with a pretty good OC. I am hoping that it will make deadlines. It hasn't quite been long enough to get a PPD or TPF estimate from either FAHSpy or FAHMon, but as soon as I have those numbers, I will be sure to post them up.
    Water and Air Cooling Lead Senior
    Folding for Team 32 as 8thDeadlySyn Folding in the memory of pscout
    I'm a Team 32 Folding Mentor. Ask me about Folding.
    Gigabyte GA-EP45-UD3LR, Q9550@3.5, 4 GB Corsair Dominator DDR2-1066, Corsair Force F60, 300 GB Maxtor SATAII, EVGA GTX460 v2
    Laing D5 Vario, D-Tek Fuzion V1, Swiftech MCW60, Swiftech MCRES V2, HWLabs BIX3, 3 Panaflo FBA12G12U's on Rheobus, Primochill LRT black, Antec 900

    Gigabyte GA-MA790FXT-UD5P, Athlon II X3 445, TRU120, 4 GB Kingston HyperX DDR3-1600, 8800GTS 320MB, 320 GB Maxtor Sata, SB Audigy SE
    HEAT - My Folding Stats
    Would you like to see your writing on the front page? Ask me how!

    Last edited by m0r7if3r on 1-23-2011 at 12:45 PM. Reason: I haz uber 1337 h4x0rz 5k1llz

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •