ChanServ changed the topic of #panfrost to: Panfrost - FLOSS Mali Midgard & Bifrost - Logs https://oftc.irclog.whitequark.org/panfrost - <macc24> i have been here before it was popular
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<icecream95>
Why does perfetto have to be so hard to build?..
<icecream95>
What's this about u_trace?
<icecream95>
"It doesn't require external dependencies and much simpler to use."
<icecream95>
That wouldn't be hard...
<icecream95>
Idea: While a GPU job is running, constantly poll GPU memory (CRC data might be a good bet) to see how much progress it has made
<daniels>
u_trace is much easier, but also far less capable
<daniels>
swings and roundabouts
<icecream95>
But maybe that wouldn't work well if the data doesn't get written from the GPU's cache?
<icecream95>
I've also tried using LTTng, but I don't know if Mesa needs yet another performance tracing framework
<daniels>
yeah, most of the reason for going Perfetto was exactly that, rather than an abiding love of large vendored C++ libraries
<daniels>
being able to reuse AGI >>>> UI written by driver developers
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<cphealy>
If I was looking to hire 1 or more Mesa developers, would you know anyone with the skill and interest in coming to Amazon if Amazon was publicly contributing to Mesa?
<cphealy>
I'm not interested in poaching. I'm looking for a mutually beneficial hire.
* alyssa
taps nose
<alyssa>
cphealy: keithp, maybe? ;-)
<cphealy>
cool, tnx.
<alyssa>
;P
<alyssa>
frag shaders as simple as `gl_FragColor = vColor` generate bad code ... I should probably fix that ...
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<icecream95>
How often is the code to allow multiple batches at once actually used for things other than blits?
<alyssa>
It's supposed to improve perf for apps that never heard of a tiler before
<alyssa>
I vaguely recall (circa Sep 2019) significant improvements in a few workloads, but YMMV
<icecream95>
So then storing information about batches inside BOs should be only used as a cache?
<icecream95>
Or maybe I could use the exisiting sparse_array as well as a faster (for iteration) datastructure?
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<anarsoul>
icecream95: what about switching framebuffer?
<anarsoul>
or you're talking about some other batches?
<icecream95>
anarsoul: I guess.. but how many applications switch back and forth like that?