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by Negative1
2981 days ago
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Not true -- this is substantially more portable (the GNU compiler for instance will even give you fallback instructions). I number of years ago I wrote PPU intrinsics (so not Intel, but similar) wrapped via macros that worked on both the Xbox360 and PS3 PowerPC processor. On one instance I can remember (frustum culling in a complex scene graph) I saw a 3ms frame time delta. This was a few days of development time well spent. I'm guessing these intrinics map 1:1 to some AMD equivalent. Oh, looky here: https://msdn.microsoft.com/en-us/library/hh977022.aspx |
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