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On Samstag, 28. April 2007, Alexander Skwar wrote: |
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> · Hemmann, Volker Armin <volker.armin.hemmann@××××××××××××.de>: |
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> > On Samstag, 28. April 2007, Alex Schuster wrote: |
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> >> BTW: What exactly are the benefits from using march instead of |
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> >> mcpu? Is there a noticeable difference in speed anyway? With mcpu |
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> |
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> [...] |
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> |
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> > usually march is faster on the given cpu, mcpu is more compatible. |
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> |
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> Is it noticeable, though? |
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well, march uses things like sse/sse2/sse3 or 3dnow and mcpu does not. So yes, |
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it is. |
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You can test it for yourself. Get a 400mhz CPU with 3dnow, like a K6-2 or |
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K6-3, and compile mplayer or xine-lib with mcpu and with march. With march |
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you can watch videos. With mcpu you get a fast slideshow. |
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