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Tech: CNET aquires MP3.com assets; Intel Itanium 2;

updated 01:45 am EST, Fri November 14, 2003

CNET aquires MP3.com

Early morning tech: , a machine about the size of a dishwasher that can perform 1.4 trillion calculations per second.




by MacNN Staff

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  1. MacNN.com Reader

    Joined: Dec 1969

    0

    Multi-threading

    "Existing Itanium chips have 6 megabytes cache and are not capable of multi-threading, in which multiple applications can be run simultaneously with no degradation to performance."

    Am I interpreting this right? Does this mean the processor can only run one thread at a time? PowerPC 970 (G5) can run multiple applications simultaneously, right? Is the G5 still only running a single thread, or is the G5 multi-threaded?

  1. MacNN.com Reader

    Joined: Dec 1969

    0

    Answers

    Yes, Yes, No, The First.

  1. MacNN.com Reader

    Joined: Dec 1969

    0

    OMG!

    It is going to end tonight...
    :-P
    Now take the blue pill or the red one, and go to bed, tomorrow is Friday and gotta get up early. Good night everyone.

  1. MacNN.com Reader

    Joined: Dec 1969

    0

    Hmmmmm`

    cnet.... mp3.com.... is this why cnet has been so anti-apple/itunes/ipod/itms lately? So they can soon push their own crappy music service?

  1. MacNN.com Reader

    Joined: Dec 1969

    0

    RE: Hmmmmm'

    I was thinking the exact same thing. I guess cnet has had its own agenda all along.

  1. MacNN.com Reader

    Joined: Dec 1969

    0

    Yes

    Yes, you are correct. Itanium can run only one application at a time. Make sure you tell all your friends (does not matter PC or Mac or Linux) that and show what an intelligent person you are.

    It is people like the first poster that give Mac users a bad name.

  1. MacNN.com Reader

    Joined: Dec 1969

    0

    re: yes

    how is he giving mac users a bad name by asking a couple of questions?

  1. MacNN.com Reader

    Joined: Dec 1969

    0

    Uh puh-leaze

    Please, the write of the article doesn't know a microprocessor from his a** (and what a painful mistake that can be!).

    The Itanium 2 is perfectly able to run multi-threaded programs, and multiple applications at once. The deal is, on a single processor system (Pentium 4's Hyperthreading not withstanding), the OS will do what's called time slicing. It'll give a little time to thread A, then a little time to thread B, and then back to thread A. Threads A and B don't actually run simultaneously, but to the user, it looks that way because they switch so rapidly (several times a second).

    Give the processor a dual core (or just throw in a second processor, as Itanium has supported all along), and now threads A and B truly do run simultaneous. We see the same thing on a dual processor G4 or G5.

    And another thing, I'd hardly call cache "storage capacity". Cache is used to keep frequently or recently used data close to the processor in very high speed, volatile memory. It's not used for long term storage. The bigger cache is to improve speed, not to boost storage capacity.

  1. MacNN.com Reader

    Joined: Dec 1969

    0

    Cnet

    Cnet is owned by Intel, so it would make sense they would be anti-Mac...

  1. MacNN.com Reader

    Joined: Dec 1969

    0

    link

    Where is a link to the actual cnet announcement?

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