On Tuesday, August 30, 2016 3:52:12 PM PDT Ian Romanick wrote: [snip] > I don't recall any native Linux games encountering this, but my memory > may have faded. There were some Windows DirectX games that would > exhaust VMA when run inside VMware. Once we got to the point where the > GLSL IR was freed after linking, I believe pretty much all of these > problems went away. > > If we might do something that would dramatically increase our peak > memory usage, we'll need to test it in that environment.
Dota 2 (32-bit) used to hit this a long time ago, but hasn't in quite some time. I'm pretty sure we don't free the GLSL IR today. I had landed patches to do that, but they broke some API queries that relied on ir_variables. So they got reverted. I wrote patches to free most of the IR. Tapani suggested he rework the queries to not rely on ir_variable so we could free it all. I think he actually did that - or did most of it? But after that got fixed, we never landed the patches to free the IR again. My fault. I suppose we should get the ball rolling on that again... --Ken
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