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Fix pathfinder Windows cupti detection for CTK 13.2.1 #1906

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Merged
cpcloud merged 2 commits into from
Apr 14, 2026
Merged

Fix pathfinder Windows cupti detection for CTK 13.2.1 #1906

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675a10a
Fix Windows cupti detection for CTK 13.2.1
rwgk Apr 14, 2026
db0b625
docs(pathfinder): prepare 1.5.3 release notes
rwgk Apr 14, 2026
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1 change: 1 addition & 0 deletions cuda_pathfinder/cuda/pathfinder/_dynamic_libs/descriptor_catalog.py
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Expand Up @@ -271,6 +271,7 @@ class DescriptorSpec:
packaged_with="ctk",
linux_sonames=("libcupti.so.12", "libcupti.so.13"),
windows_dlls=(
"cupti64_2026.1.1.dll",
"cupti64_2026.1.0.dll",
"cupti64_2025.4.1.dll",
"cupti64_2025.3.1.dll",
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4 changes: 4 additions & 0 deletions cuda_pathfinder/docs/nv-versions.json
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Expand Up @@ -3,6 +3,10 @@
"version": "latest",
"url": "https://nvidia.github.io/cuda-python/cuda-pathfinder/latest/"
},
{
"version": "1.5.3",
"url": "https://nvidia.github.io/cuda-python/cuda-pathfinder/1.5.3/"
},
{
"version": "1.5.2",
"url": "https://nvidia.github.io/cuda-python/cuda-pathfinder/1.5.2/"
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14 changes: 14 additions & 0 deletions cuda_pathfinder/docs/source/release/1.5.3-notes.rst
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@@ -0,0 +1,14 @@
.. SPDX-FileCopyrightText: Copyright (c) 2025-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
.. SPDX-License-Identifier: Apache-2.0

.. py:currentmodule:: cuda.pathfinder

``cuda-pathfinder`` 1.5.3 Release notes
=======================================

Highlights
----------

* Add support for the Windows CTK 13.2.1 CUPTI DLL name
``cupti64_2026.1.1.dll`` so ``load_nvidia_dynamic_lib("cupti")`` can
recognize the installed library on CTK 13.2.1 systems.
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