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alyssa>
It occurred to me the issue with zero-copy attributes might actually have been an alignment problem more than anything
<
alyssa>
Experimental poking shows they just need to be 64-aligned, heh
<
alyssa>
..............which is not surprising since varyings are the same way
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HdkR>
64bit or 64byte?
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alyssa>
HdkR: byte
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alyssa>
That's a cache-line iirc
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HdkR>
Aye, that is why I was wondering
<
HdkR>
So GPU cache line is the same size as the CPU's? Very interesting
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alyssa>
I don't know that it's 64-byte aligned for the sake of cache lines
<
alyssa>
But what else would 64-byte alignment be for =P
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alyssa>
....Ironically, glmark's Phong shading regressed at some point... thinking...
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alyssa>
Regression fixed, one-line change
<
alyssa>
The high-vert models are still slow tho
<
alyssa>
And I know they're also, you know, slow on the blob :p
<
urjaman>
yeah i mean if our little group doesnt make a driver that's faster than the blob by the big company, what's even the point? ;P
<
HdkR>
Beating their X11 driver's performance isn't that hard but that is something they don't really care about :P
<
urjaman>
Actually from what i've seen you have been doing an almost surprisingly good job at that :)
<
alyssa>
Haven't benchmarked either much
<
alyssa>
I just fix bottlenecks when I find the
<
alyssa>
(P.S.: I fixed a bottleneck so now Weston/sway/mpv are a LOT snappier)
<
HdkR>
Sadly since ARM is dropping their X11 driver we'll have to compete with their fbdev,wayland, and Android stack's performance instead :)
<
alyssa>
Does that mean we'll have to actually try?!
<
alyssa>
I guess we'll compete on Wayland
<
alyssa>
Since they don't care about fbdev iirc, and I don't care about Android :p
<
alyssa>
I like -bjellyfish :)
<
alyssa>
I think the next big thing for Panfrost stability/perf/etc is dealing with cmdstream_persistent
<
alyssa>
The naive approach is to just turn it into transient stuff but that's.. worse...
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belgin>
happy 2019!
<
belgin>
i danced last night, and my legs hurt :(
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