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Author Topic: Fast bitwise swap?  (Read 21250 times)
jj2007
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Posts: 6011



Re: Fast bitwise swap?
« Reply #30 on: November 21, 2009, 05:59:40 PM »

Celeron M:
Code:
9 cycles, qword 256-byte-lut, 313 bytes
9 cycles, drizz stir-fry, 64 bytes
8 cycles, drizzNew stir-fry, 61 bytes
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drizz
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Posts: 628



Re: Fast bitwise swap?
« Reply #31 on: November 21, 2009, 08:50:20 PM »

AMD Opteron(tm) Processor 148    (SSE3)
Code:
5 cycles, qword 256-byte-lut, 313 bytes
4 cycles, drizz stir-fry, 64 bytes
4 cycles, drizzNew stir-fry, 61 bytes
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The truth cannot be learned ... it can only be recognized.
WryBugz
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Re: Fast bitwise swap?
« Reply #32 on: November 25, 2009, 10:14:34 PM »

10 cycles, qword 256 byte lut
8 cycles, drizz stir fry
5 cycles drizznew stir fry

I lose!

So much for Intel Core I-7
Anyone got an xt I can have?
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