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CHIP-SPV / chipStar

chipStar is a tool for compiling and running HIP/CUDA on SPIR-V via OpenCL or Level Zero APIs.
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Add CHIP_DEVICE_TYPE to documentation #800

Closed karlwessel closed 4 months ago

karlwessel commented 4 months ago

This add the following two points to the documentation.

  1. Document existance and usage of the CHIP_DEVICE_TYPE environment variable.
  2. Adds one more note regarding availability of trace and debug log level information.

Motivation

Thanks for this great library, works great! I had to spent some hours at the beginning tracking down the root for the following two error messages using OpenCL backend: Selected OpenCL device 0 is out of range. It took some time to find the undocumented environment variable which caused chipStar to only look for GPUs on my CPU-only system.

pvelesko commented 4 months ago

Thank you for the contribution! @karlwessel