In a parallel universe, Pentium evolved into a multicore vector processor like Larrabee, not out-of-order. There, software rendering won.
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@TimSweeneyEpic@BrianKaris@tom_forsyth "Yes", and " Technically yes". Reg file management is probably the biggest hurdle. -
@TobiasBerghoff@TimSweeneyEpic@tom_forsyth GCN has instructions to set PC from a register. Cuda has device function pointers now. - 1 more reply
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@TimSweeneyEpic@BrianKaris@tom_forsyth You can call a function pointer if you know the possible values at the call site. -
@TimSweeneyEpic@BrianKaris@tom_forsyth I assume if they exposed an explicit vector programming model you could do scalar indirect branches - 1 more reply
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