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#opencl

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OpenCL v3.0.19 maintenance update released with bug fixes & clarifications and adds two new extensions: cl_khr_spirv_queries to simplify querying the SPIR-V capabilities of a device, and cl_khr_external_memory_android_hardware_buffer to more efficiently interoperate with other APIs on Android devices. In addition, the cl_khr_kernel_clock extension to sample a clock within a kernel has been finalized and is no longer an experimental extension.

Khronos #OpenCL Registry: registry.khronos.org/OpenCL/

I want to get #davinci_resolve working on #Fedora 42 with my now very old AMD rx480 8GB but it uses #OpenCL. The obvious choice would be #rocm but that dropped support for my GPU years ago and from what I found also causes issues with Davinci resolve for even more years. The other obvious choice would be mesas implementation but while #Rusticl improved things it's still not a feature complete implementation and rather slow. Is it smart to use the amdgpu-pro ICD with mesa drivers for this?

Finally I can "SLI" AMD+Intel+Nvidia #GPU​s at home! I simulated this crow in flight at 680M grid cells in 36GB VRAM, pooled together from
- 🟥 #AMD Radeon RX 7700 XT 12GB (RDNA3)
- 🟦 #Intel Arc B580 12GB (Battlemage)
- 🟩 #Nvidia Titan Xp 12GB (Pascal)
My #FluidX3D #CFD software can pool the VRAM of any combination of any GPUs together via #OpenCL.
#Krähenliebe #birds #crow
youtube.com/watch?v=1z5-ddsmAa

As usual, getting something like GPU compute that's cross platform working is a message because everyone likes to do their own thing and reinvent the wheel.

I would like something that is [modern] macOS and FreeBSD compatible, but doesn't look like that's possible since Apple deprecated OpenCL.

(Also, could Apple have picked a less searchable term for their new GPU framework?)

It's again looking like the best way to be cross platform is to use JS+browser.

Or am I missing some library?

Who is using CL_sRGBA images with #OpenCL, specifically to write to it (cl_khr_srgb_image_writes)?

There is limited hw support for writing to sRGBA images and I'm now curious what even uses that feature.

It was apparently important enough to require support for it for OpenCL 2.0, but... that's not telling me much.

Is it possible to run AMD+Intel+Nvidia #GPU​s in the same PC? Yes! 🖖😋
Got this RDNA3 chonker for free from 11 bit studios contest! It completes my 36GB VRAM RGB SLI abomination setup:
- 🟥 #AMD Radeon RX 7700 XT 12GB
- 🟦 #Intel Arc B580 12GB
- 🟩 #Nvidia Titan Xp 12GB
The drivers all work together in #Linux Ubuntu 24.04.2. Backbone is an ASUS ProArt Z790 with i7-13700K and 64GB, PCIe 4.0 x8/x8 + 3.0 x4 - plenty interconnect bandwidth.
Finally I can develop and test #OpenCL on all major patforms!

Whoa. First new personal computer hardware in a long while and it shows. #darktable is _very_ fast on the new framework 13. Enabled opencl via rocm and did have some weird behavior last night, but I've yet to reproduce.

I may actually get through my backlog of edits one of these days :)