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Am Freitag 08 Juni 2007 07:35 schrieb Daniel Armyr: |
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> > Well, I suppose that's part of the problem. What does O3 improve? |
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> |
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> I cannot speak for the -03 from gcc specifically, but most |
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> optimizations tend to increase the processes within the CPU. Further, |
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> for them to help, the compiler tends to need to, at compile time, know |
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> how the code will run. As such, it does almost nothing for event-driven |
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> code like the entire X-windows system. Further, I would like to see the |
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> linux computer today which has a processing problem when it comes to X. |
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> The disk-access times to load binaries far overshadow anything |
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> processor related in all computers I have seen. |
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> |
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> My suggestion to the general user: Get raided, super-fast scsi disks and |
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> a mobo with low-latency memory if you want a truly fast computer. |
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In other words, there is no clear answer but my chances are quiet bad. |
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I think I'll try around a bit. I'll prepare three images on my desktop, one |
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Os, one O2 and one O3. |
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Then I'll post my experience... |
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