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/blockwiseSum/blockwiseSum.py

@@ -139,7 +139,7 @@ def run_sample(num_elements: int = 1024 * 1024, device_id: int = 0) -> bool:
 
     try:
         # Make CuPy use our stream
-        cp.cuda.ExternalStream(int(stream.handle)).use()
+        cp.cuda.Stream.from_external(stream).use()
 
         # Compile kernels
         program = Program(
@@ -216,7 +216,7 @@ def run_sample(num_elements: int = 1024 * 1024, device_id: int = 0) -> bool:
         test3 = verify_array_result(d_partial, expected_partial)
 
         # Performance timing
-        event_opts = EventOptions(enable_timing=True)
+        event_opts = EventOptions(timing_enabled=True)
         iterations = 100
 
         stream.sync()

python/2_CoreConcepts/blockwiseSum/requirements.txt

@@ -1,6 +1,6 @@
 # Block-wise Array Sum Requirements
 
 cuda-python>=13.0.0
-cuda-core>=0.6.0
-cupy-cuda13x>=13.0.0
+cuda-core>=1.0.0
+cupy-cuda13x>=14.0.0
 numpy>=2.3.2