On Wednesday, January 28, 2015 01:14:08 PM Syrja, Harri wrote: > Hi Kenneth, > > Constant cache could and should allocate to separate region in $L3. The main > point of having separate constant region is to avoid texture data trashing > due to pulled constants load. In optimal solution constant region is > allocated only when shader uses pull constants, but that is not so easy as > the $L3 config reg is not part of per constant regs. > > BR, > Harri
I agree that constants and textures /could/ be allocated to a separate region of $L3, but I haven't found any evidence in the documentation to confirm that. It looks like you can set it up that way on Haswell (and we don't), but on other chips, everything I've found suggests that read-only clients are lumped together in the same region... --Ken
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