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Fast bitwise swap?

Started by jj2007, November 17, 2009, 04:52:55 PM

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jj2007

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

drizz

AMD Opteron(tm) Processor 148    (SSE3)
5 cycles, qword 256-byte-lut, 313 bytes
4 cycles, drizz stir-fry, 64 bytes
4 cycles, drizzNew stir-fry, 61 bytes
The truth cannot be learned ... it can only be recognized.

WryBugz

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?