On Sat, Jan 4, 2025 at 1:02 AM Srinivasan Shanmugam <srinivasan.shanmugam at amd.com> wrote: > > This commit addresses a circular locking dependency issue within the GFX > isolation mechanism. The problem was identified by a warning indicating > a potential deadlock due to inconsistent lock acquisition order.

2022年6月1日 · We should switch to a wait free datastructure on the hot path with per-object locking or more fine grained locking. That identifies the problem better. See my test case for this here: https://github.com/John-Nagle/render-bench. It's an ongoing problem. The overall effect is that WGPU is S-L-O-W for anything which loads its content while rendering.

2021年10月5日 · We are aware we currently lock way too heavily and there is an inflight refactor that will help with most cases, only locking exactly the resources we need, instead of the whole world. write_buffer is going to need a bit of special work to get going, but totally should be possible to call in parallel.

2020年1月15日 · 到这里CFG Lock就解锁了，如果你不知道是什么，就不要往下做; 用Phoenixtool或UEFITool导出FE3542FE-C1D3-4EF8-657C-***** 用IRFExtractor导出FE3542FE-C1D3-4EF8-657C-8048606FF670_811 IFR.txt; 找到 Turbo PWR Limit MSR Lock 和 IGD - Gfx Low Power Mode

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2020年1月7日 · For most objects locking the whole storage is OK because it's mostly locked for reading. There is a few objects that are different in a way that they are always mutable: command buffers and passes. It would be much more efficient if we could allow them to lock multiple different elements at the same time, i.e. the locking should be more ...

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[PATCH v3] drm/amdkfd: Fix Circular Locking Dependency in 'svm_range_cpu_invalidate_pagetables' Srinivasan Shanmugam srinivasan.shanmugam at amd.com Mon Feb 24 13:48: ...

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2006年7月27日 · Can someone explain to me the purpose of locking textures. I keep hearing about it so it must be a pretty powerful tool but I don't know anything about it.