Multitasking Scenario 5: Compiling

Our final non-gaming multitasking scenario is quite possibly our most strenuous. It involves the following background tasks: iTunes playing a playlist, Firefox with the same 13 tabs open as in our other tests, and Newsleecher updating newsgroup headers. On top of those tasks, we compiled Firefox as well as ran our DVD Shrink operation on the "Star Wars Episode VI" DVD. Firefox remained the application in focus during the test.

The results were fairly interesting. First, let's look at how long it took us to compile Firefox:

Compiling + Multitaking Environment

The Athlon 64 X2 4400+ was stronger than either of the Intel CPUs in compiler performance, so it is no surprise that it is faster here. You'll notice that the single core Athlon 64 FX-55 isn't present in this chart - you'll find out why in a moment, but first, let's look at the performance of our DVD Shrink task that also ran in the background:

DVD Shrink + Multitasking Environment

Once again, AMD is ahead of the competition, thanks to better general performance as well as all of the benefits of their low latency architecture. As for why the single core Athlon 64 FX-55 wasn't included here, well in this particular test, the DVD Shrink operation would have taken over 13 hours - which doesn't exactly fit with our graph's scale. The compiler operation also took significantly longer to complete. Whichever task completed first would eventually have let the other finish sooner, but we didn't care to find out as it was already ridiculously longer than any of the dual core solutions.

Multitasking Scenario 4: 3D Rendering Gaming Multitasking Scenario
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  • morcegovermelho - Thursday, April 21, 2005 - link

    page 3 "For example, the Opteron 252 and Opteron 852 both run at 2.6GHz, but the 252 is for use in up to 2-way configurations, while the 852 is certified for use in 4- and 8-way configurations. The two chips are identical; it's just that one has been run through additional validation and costs a lot more. "
    I thought that they had different number of HyperTransport (HT) links:
    152 - 1 HT
    252 - 2 HT
    852 - 3 HT
    I thought that was the reason why it was impossible to use two 152s in a two-way motherboard.
    Maybe i'm wrong.
    Reply
  • faboloso112 - Thursday, April 21, 2005 - link

    great article Reply
  • fungmak - Thursday, April 21, 2005 - link

    #50
    Dual 875s have 4 cores
    Reply
  • stmok - Thursday, April 21, 2005 - link

    I have waited SOOOOO long! Finally, a reason to dump my dual PIII setups. Next stop, Athlon64 X2! Reply
  • jediknight - Thursday, April 21, 2005 - link

    Can someone explain the huge performance difference between the dual Operaon 252s (2.6GHz) and the dual Opteron 875 (2.2GHz)?

    Since:
    "The two chips are identical; it's just that one has been run through additional validation and costs a lot more"

    I would expect the 252s, running at 400MHz more, would outperform the 875s. Can someone explain this (large) discrepency?
    Reply
  • snedzad - Thursday, April 21, 2005 - link

    Yes. That's gonna be a four proc-machine. Terrific.

    I am really astonished about whole AMD K8 architecture. And K9 should be 4-core processor architecture.

    Can't wait.

    But, I still won't get a rid of my AX2600 machine.
    Reply
  • Griswold - Thursday, April 21, 2005 - link

    Ah the brilliant KillerBob.

    Anand used plenty of real world apps for the multitask benchmarks.

    How much more real world testing would you want to go with your (pointless) whining?

    Reply
  • GoatHerderEd - Thursday, April 21, 2005 - link

    Why is their stock price at a 6 month low? I hope this pulls it up a bit. It would be a shame if they don’t start making a profit. Reply
  • suryad - Thursday, April 21, 2005 - link

    I just am astounded at the performance these first versions of dual core processing that is being presented to us...WOW...couple that with a well written 64 bit OS and it will be even more smoking!! I think AMD did a job extremely well done and I am glad that they are being aggressive in keeping their pockets full with the prices of their chips. I personally dont think that would stop me from buying their processors. I would wait for the FX to become dual core though. A 3 ghz dual core FX would rock so bad!!!

    Also one more thing...so the Tyan mobo holds 2 procs correct? So if we stuck a dual core in 1 socket and another in the other sock...that makes it a 4 proc machine then right?!!
    Reply
  • bldckstark - Thursday, April 21, 2005 - link

    Thanks for the double post KillerBob. Your statements are as intelligent as your ability to use a keyboard. Reply

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