8000 provide a better error message when no platforms found by matthiasdiener · Pull Request #826 · inducer/pyopencl · GitHub
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provide a better error message when no platforms found #826

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Merged
merged 2 commits into from
May 7, 2025
Merged

provide a better error message when no platforms found #826

merged 2 commits into from
May 7, 2025

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matthiasdiener
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@matthiasdiener matthiasdiener commented Apr 16, 2025 •
edited
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before:

>>> import pyopencl as cl
>>> cl.create_some_context()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/Users/mdiener/Work/e12/pyopencl/pyopencl/__init__.py", line 1708, in create_some_context
    devices = choose_devices(interactive, answers)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/mdiener/Work/e12/pyopencl/pyopencl/__init__.py", line 1601, in choose_devices
    platforms = get_platforms()
                ^^^^^^^^^^^^^^^
pyopencl._cl.LogicError: clGetPlatformIDs failed: PLATFORM_NOT_FOUND_KHR

after:

>>> cl.create_some_context()
Traceback (most recent call last):
  File "/Users/mdiener/Work/e12/pyopencl/pyopencl/__init__.py", line 1601, in choose_devices
    platforms = get_platforms()
                ^^^^^^^^^^^^^^^
pyopencl._cl.LogicError: clGetPlatformIDs failed: PLATFORM_NOT_FOUND_KHR

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/Users/mdiener/Work/e12/pyopencl/pyopencl/__init__.py", line 1706, in create_some_context
    devices = choose_devices(interactive, answers)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/mdiener/Work/e12/pyopencl/pyopencl/__init__.py", line 1607, in choose_devices
    raise RuntimeError("no CL platforms available to ICD loader, install a CL driver (such as pocl, rocm, Intel CL)") from e
pyopencl._cl.RuntimeError: no CL platforms available to ICD loader, install a CL driver (such as pocl, rocm, Intel CL)

@inducer
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inducer commented Apr 16, 2025

I'm OK with that. It might be good to add a link to pyopencl's install instructions. (https://documen.tician.de/pyopencl/misc.html) Personally, I'd also prefer to avoid naming specific ICDs in the error message.

Not sure what's up with that CI crash. Do you have an idea?

@inducer inducer enabled auto-merge (squash) May 7, 2025 14:18
@inducer inducer force-pushed the more-exp-no-platform branch from d1e0d3f to 1ef6985 Compare May 7, 2025 14:21
@inducer inducer merged commit cc44b60 into inducer:main May 7, 2025
19 checks passed
@matthiasdiener matthiasdiener deleted the more-exp-no-platform branch May 7, 2025 14:42
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