Release v13.3 of the CUDA samples with CUDA 13.3 Toolkit (#435)

This is the release of the CUDA 13.3 samples, which include additions for CUDA Tile C++, and updated CCCL and Python samples.

python/2_CoreConcepts/processCheckpoint/processCheckpoint.py

@@ -195,6 +195,19 @@ def main():
     print(f"Buffer size:        {args.buffer_mib} MiB")
     print(f"Lock timeout:       {args.lock_timeout_ms} ms")
 
+    # CUDA process checkpointing relies on kernel-mode driver features
+    # that aren't shipped on integrated-GPU platforms (e.g. Tegra /
+    # Jetson / Thor). On those, Process.lock() can hang indefinitely
+    # instead of returning a clean "not supported" error. Skip cleanly
+    # rather than hanging. Remove this guard once integrated platforms
+    # gain checkpoint support.
+    if device.properties.integrated:
+        print(
+            f"CUDA process checkpointing is not supported on integrated "
+            f"GPUs (sm_{device.arch}), waiving this sample."
+        )
+        return 2
+
     print()
     print("Compiling kernel ...")
     fill_kernel = compile_fill_kernel(device)

python/2_CoreConcepts/processCheckpoint/requirements.txt

@@ -1,3 +1,4 @@
-cuda-python>=13.0.0
-cuda-core>=0.7.0
+# cuda-bindings 13.3.0 drops the CUcheckpointRestoreArgs alias that cuda-core requires
+cuda-python>=13.0.0,<13.3.0
+cuda-core>=1.0.0
 numpy>=2.3.2