Posted on 14-Oct-2004 15:51 GMT by Kalmar | 18 comments View flat View list |
CherryOS is a G4 Emulator giving you the option to use OSX on your PC.
http://www.cherryos.com/
I wonder...
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G4 Emulator : Comment 16 of 18 | ANN.lu |
Posted by hammer on 17-Oct-2004 20:26 GMT | In reply to Comment 13 (Anonymous): Actually, 3DNow(recycles X87 registers) is 64bit wide, while SSE2 (XMM registers) 128bit wide. Software such as RC5 uses vector instruction such as vector rotate. Such instructions doesn’t exist in X86 land i.e. it has to use scalar version. One of the reasons why AMD preform better than PIV in RC5 is due to 3 integer scalar pipelines.
As indicated via SSE -> SSE2 -> SSE3 evolution, X86/X64’s SIMDs are currently under construction i.e. adding vector instructions. Generally, X86 world targets desktop world usage. |
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