Native GPU support (cthreads for vulkan/SPIR-V) #4

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#28

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Native GPU support (cthreads for vulkan/SPIR-V)#4

5 / 55 of 5 issues completed

#28

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enhancementNew feature or requestNew feature or requesthelp wantedExtra attention is neededExtra attention is neededperformanceSpeed this upSpeed this up

Description

K-T0BIAS

opened on Sep 4, 2026

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Goal

python code that can be launched as gpu kernels on most devices.

Interface

• mirror cthreads compilable python subset
• mirror cthreads syntax

from cthreads import gpu

@gpu
def gpu_kernel(args: list[T]) -> T:
    ...

job = cthreads.thread(gpu_kernel, [args])
result = job.join()

... ideas and impl details may be added here

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1. K-T0BIAS

   added

   enhancementNew feature or requestNew feature or request

   help wantedExtra attention is neededExtra attention is needed

   performanceSpeed this upSpeed this up

   on Sep 4, 2026
2. K-T0BIAS

   added sub-issues on Sep 16, 2026

   • GPU-01 Vulkan context in _ext #9
   • GOU-02 memory + GpuPack marshal substrate #20
   • GPU-03 Launch path and GpuJob #22
   • GPU-04: @Gpu + gpu() public path (launch pool + emit + entry) #24
   • GPU-05 workgroup barrier: __sync_threads + Barrier.arrive_and_wait #26
3. K-T0BIAS

   linked a pull request that will close this issueGPU 0.2.0: @Gpu path, GpuArena, workgroup barriers, docs, and cthreads[gpu] wheels #28on Sep 18, 2026
4. K-T0BIAS

   closed this as completedin #28on Sep 18, 2026

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enhancementNew feature or requestNew feature or requesthelp wantedExtra attention is neededExtra attention is neededperformanceSpeed this upSpeed this up

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