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[BUG]: Windows CTK 13.2.2 CUPTI Name Unsupported #3281

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Description

@akarale-nv

Is this a duplicate?

Type of Bug

Runtime Error

Component

cuda.pathfinder

Describe the bug

The load_nvidia_dynamic_lib fails to load cupti64_2026.1.2.dll as it is not in the supported list.

How to Reproduce

  1. Install nvidia-cuda-cupti==13.2.86 and cuda-pathfinder in a fresh environment on windows
  2. Run the below repro code
import cuda.pathfinder
cuda.pathfinder.load_nvidia_dynamic_lib(cupti)
  1. Fails to load the cupti dll

Expected behavior

cupti64_2026.1.2.dll should load from site-packages

Operating System

Windows 11

nvidia-smi output

No response

Activity

  1. akarale-nv commented on Oct 29, 2026

    @akarale-nv
    Author

    This is reported in upstream pytorch pytorch/pytorch#202206 (comment)

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