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/fftSignalAnalysis/README.md

@@ -28,7 +28,7 @@ This sample demonstrates CuPy integration with cuda.core streams:
 stream = device.create_stream()
 
 # Use with CuPy operations
-cp.cuda.ExternalStream(int(stream.handle)).use()
+cp.cuda.Stream.from_external(stream).use()
 ```
 
 ## Key APIs
@@ -43,7 +43,7 @@ cp.cuda.ExternalStream(int(stream.handle)).use()
 
 - `cp.fft.rfft()` - Real-to-complex FFT (GPU-accelerated via cuFFT)
 - `cp.fft.rfftfreq()` - Generate frequency bins for rfft
-- `cp.cuda.ExternalStream()` - Interop with cuda.core streams
+- `cp.cuda.Stream.from_external()` - Interop with cuda.core streams
 
 ### From NumPy:
 
@@ -115,7 +115,7 @@ VERIFICATION
 GPU vs CPU FFT magnitude: Test PASSED
 
 Frequency Detection Accuracy:
-     440 Hz: ✓
+     440 Hz: [OK]
      ...
 
 Done

python/2_CoreConcepts/fftSignalAnalysis/fftSignalAnalysis.py

@@ -180,7 +180,7 @@ def run_fft_analysis(
         print(f"Compute Capability: sm_{device.arch}")
 
         # Make CuPy use our cuda.core stream
-        cp.cuda.ExternalStream(int(stream.handle)).use()
+        cp.cuda.Stream.from_external(stream).use()
 
         # Define test signal: composite of multiple frequencies
         test_frequencies = [440.0, 880.0, 1320.0, 2000.0, 5000.0]  # Hz
@@ -208,7 +208,7 @@ def run_fft_analysis(
         print("GPU FFT (cuFFT)")
         print("-" * 60)
 
-        event_opts = EventOptions(enable_timing=True)
+        event_opts = EventOptions(timing_enabled=True)
 
         # Warmup
         d_fft_result = cp.fft.rfft(d_signal)
@@ -291,7 +291,7 @@ def run_fft_analysis(
         all_found = True
         for expected_freq in test_frequencies:
             found = any(abs(f - expected_freq) < 10 for f in detected_freqs)
-            status = "✓" if found else "✗"
+            status = "[OK]" if found else "[FAIL]"
             print(f"  {expected_freq:6.0f} Hz: {status}")
             all_found = all_found and found
 

python/2_CoreConcepts/fftSignalAnalysis/requirements.txt

@@ -1,6 +1,6 @@
 # FFT Signal Analysis 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