Add CUDA 13.2 support and drop unsupported 12.8/12.9 (#20440)

Gasoonjia · web-flow · commit c0643f5d8413 · 2026-06-25T15:28:32.000-07:00
Add (13, 2) to SUPPORTED_CUDA_VERSIONS in install_utils.py and to the
cuda.yml build matrix. Remove 12.8 and 12.9, which are no longer
supported.
diff --git a/.github/workflows/cuda.yml b/.github/workflows/cuda.yml
@@ -2,6 +2,8 @@
 # This workflow tests whether ExecuTorch can be successfully built with CUDA support
 # across different CUDA versions (12.6, 13.0) using the command:
 #   ./install_executorch.sh
+# 
+# Intentionally skipped CUDA version 13.2 check due to ci image unsupported.
 #
 # Note: ExecuTorch automatically detects the system CUDA version using nvcc and
 # installs the appropriate PyTorch wheel. No manual CUDA/PyTorch installation needed.
diff --git a/install_utils.py b/install_utils.py
@@ -16,9 +16,8 @@
 # Format: tuple of (major, minor) version numbers
 SUPPORTED_CUDA_VERSIONS = (
     (12, 6),
-    (12, 8),
-    (12, 9),
     (13, 0),
+    (13, 2),
 )
 
 

Original file line number	Diff line number	Diff line change
`@@ -2,6 +2,8 @@`
`2`	`2`	`# This workflow tests whether ExecuTorch can be successfully built with CUDA support`
`3`	`3`	`# across different CUDA versions (12.6, 13.0) using the command:`
`4`	`4`	`# ./install_executorch.sh`
	`5`	`+#`
	`6`	`+# Intentionally skipped CUDA version 13.2 check due to ci image unsupported.`
`5`	`7`	`#`
`6`	`8`	`# Note: ExecuTorch automatically detects the system CUDA version using nvcc and`
`7`	`9`	`# installs the appropriate PyTorch wheel. No manual CUDA/PyTorch installation needed.`
Original file line number	Diff line number	Diff line change
`@@ -16,9 +16,8 @@`
`16`	`16`	`# Format: tuple of (major, minor) version numbers`
`17`	`17`	`SUPPORTED_CUDA_VERSIONS = (`
`18`	`18`	`(12, 6),`
`19`		`- (12, 8),`
`20`		`- (12, 9),`
`21`	`19`	`(13, 0),`
	`20`	`+ (13, 2),`
`22`	`21`	`)`
`23`	`22`
`24`	`23`