you missread me

Article: Computational Efficiency in Modern Processors
By: MoTheG (better.delete@this.not.tell), November 11, 2009 11:33 pm
Room: Moderated Discussions
? (0xe2.0x9a.0x9b@gmail.com) on 11/11/09 wrote:
>- how many percent GCC spends doing IO? What is "GCC's IO" anyway?

That certainly depends very much on the project.

>- If you parallelize the parser

I never suggested this. Read Potatoswatters reply, he understood, so I must have been lesser randomly and arbitrary than you read me.

Maybe Potatoswatter said it better.
quote:
It sounds more like you're talking about pipelining the compiler: one thread parses while another thread generates code. Unfortunately that only works when you know the relative speeds of the pipeline stages. One program might parse slowly while another program optimizes slowly due to -O3 being passed. It's too much work to modify a compiler for such an uncertain gain, although it has been done.

The way one achieves parallel compilation is by launching one compiler instance on each core. .c files are turned into .o files in parallel. Then .o's get merged together in a tree.

All this is irrelevant to GPUs as they lack the data caches necessary to run any kind of compiler. A GPU could only parse C++ at a tiny fraction of CPU speed, no matter what.
end quote

>For example I am unsure whether you actually know what a Linux process is.

I do know. I even know the difference between a programm, a process and a thread. ("wow!")
I'm getting the impression that you don't only want to save me from being a backseater/know-it-all with no realworld experience, but simply bully me.
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TopicPosted ByDate
Article: Computational Efficiency in Modern Processors by DKMoTheG2009/11/08 06:02 AM
  Article: Computational Efficiency in Modern Processors by DKnone2009/11/08 06:15 AM
  Silverthorne and OoO vs. InOrdMoTheG2009/11/08 06:22 AM
    Silverthorne and OoO vs. InOrdDavid Kanter2009/11/08 03:11 PM
      Magical 100x speedupsAM2009/11/09 08:03 AM
        Magical 100x speedupsDavid Kanter2009/11/09 11:41 AM
          Magical 100x speedupsnone2009/11/09 12:36 PM
            Magical speedupsDavid Kanter2009/11/09 02:24 PM
              Magical speedupsnone2009/11/09 02:40 PM
              Hardware SpecsMS2009/11/09 04:49 PM
                44x faster than a single cpu coreVincent Diepeveen2009/11/10 07:17 AM
              Magical speedupsVincent Diepeveen2009/11/10 07:02 AM
          Xeon 130x speedup vs XeonEric Bron2009/11/10 07:20 AM
          Magical 100x speedupsAM2009/11/10 09:42 AM
            Magical 100x speedupsLinus Torvalds2009/11/10 12:19 PM
              Mega speedupsAM2009/11/11 05:21 AM
        Bogus 100x speedupsDavid Kanter2009/11/10 12:26 AM
          No speedups for CPUs for the general programming populaceMoTheG2009/11/10 04:26 AM
          Bogus 100x speedups?2009/11/10 04:45 AM
          Bogus 100x speedupshobold2009/11/10 06:31 AM
          Bogus 100x speedupsVincent Diepeveen2009/11/10 07:26 AM
          Bogus 100x speedupssylt2009/11/10 09:00 AM
          Bogus 100x speedupsAM2009/11/10 09:47 AM
      GPU vs. CPUMoTheG2009/11/09 10:30 AM
        GPU vs. CPUa reader2009/11/09 06:58 PM
          ease of programmingMoTheG2009/11/09 10:45 PM
            yes for GPU programming you need non-public infoVincent Diepeveen2009/11/10 07:36 AM
              yes for GPU programming you need non-public infoPotatoswatter2009/11/11 07:06 AM
                yes for GPU programming you need non-public infoVincent Diepeveen2009/11/11 10:23 AM
                  yes for GPU programming you need non-public infoPotatoswatter2009/11/11 12:26 PM
                  Real businesses use GPGPU.Jouni Osmala2009/11/11 10:00 PM
        GPU vs. CPU?2009/11/10 05:01 AM
          2. try but most is said, just clarifyingMoTheG2009/11/10 09:24 AM
            2. try but most is said, just clarifying?2009/11/11 12:11 AM
              you missread meMoTheG2009/11/11 11:33 PM
                you missread me?2009/11/12 12:18 AM
            2. try but most is said, just clarifyingPotatoswatter2009/11/11 07:22 AM
              2. try but most is said, just clarifying?2009/11/12 12:22 AM
                loose, not so orderlyMoTheG2009/11/12 11:47 AM
                  loose, not so orderlyPotatoswatter2009/11/12 05:50 PM
                2. try but most is said, just clarifyingrwessel2009/11/12 12:01 PM
                  2. try but most is said, just clarifyingGabriele Svelto2009/11/12 11:39 PM
                    2. try but most is said, just clarifying?2009/11/13 12:14 AM
                      2. try but most is said, just clarifyingGabriele Svelto2009/11/13 12:30 AM
                      2. try but most is said, just clarifyingrwessel2009/11/13 12:24 PM
                  2. try but most is said, just clarifyingMichael S2009/11/14 12:08 PM
                    2. try but most is said, just clarifyingGabriele Svelto2009/11/14 10:38 PM
                      2. try but most is said, just clarifyingAndi Kleen2009/11/15 12:19 AM
                      2. try but most is said, just clarifyingMichael S2009/11/15 12:58 AM
                        2. try but most is said, just clarifyingEric Bron2009/11/15 01:25 AM
                          /MP optionEric Bron2009/11/15 01:33 AM
                            /MP optionPaul2009/11/15 08:42 AM
                              /MP optionEric Bron2009/11/15 12:22 PM
                        2. try but most is said, just clarifying?2009/11/15 02:13 AM
                          2. try but most is said, just clarifyingMichael S2009/11/15 04:14 AM
                  2. try but most is said, just clarifyingEugene Nalimov2009/11/14 08:24 PM
    Atom pointAM2009/11/09 08:00 AM
      Atom TDPDavid Kanter2009/11/09 11:48 AM
        Atom TDPhobold2009/11/10 06:41 AM
        Atom TDPAM2009/11/10 09:49 AM
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