@mytec: iter3.7.0 start, gpu calc int

rfcp-gpu-preflight.bat

@@ -0,0 +1,64 @@
+@echo off
+echo ========================================
+echo  RFCP GPU Build — Pre-flight Check
+echo ========================================
+echo.
+
+echo [1] Python version:
+python --version
+
+echo.
+echo [2] CuPy status:
+python -c "import cupy; print(f'  CuPy {cupy.__version__}')"
+python -c "import cupy; d=cupy.cuda.Device(0); print(f'  Device: {d.id}'); print(f'  Memory: {d.mem_info[1]//1024//1024} MB')"
+
+echo.
+echo [3] CUDA runtime version:
+python -c "import cupy; v=cupy.cuda.runtime.runtimeGetVersion(); print(f'  CUDA Runtime: {v}')"
+
+echo.
+echo [4] CUDA_PATH environment:
+if defined CUDA_PATH (
+    echo   CUDA_PATH = %CUDA_PATH%
+) else (
+    echo   WARNING: CUDA_PATH not set!
+    echo.
+    echo   Checking common locations...
+    if exist "C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA" (
+        for /d %%i in ("C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v*") do (
+            echo   Found: %%i
+            echo.
+            echo   To fix, run:
+            echo     setx CUDA_PATH "%%i"
+            echo   Then restart terminal.
+        )
+    ) else (
+        echo   No CUDA Toolkit found in default location.
+        echo   CuPy bundles its own CUDA runtime, so this may be OK.
+        echo   But PyInstaller build might need it.
+    )
+)
+
+echo.
+echo [5] nvidia-smi:
+nvidia-smi --query-gpu=name,driver_version,memory.total --format=csv,noheader 2>nul
+if errorlevel 1 echo   nvidia-smi not found in PATH
+
+echo.
+echo [6] CuPy CUDA libs location:
+python -c "import cupy; import os; print(f'  {os.path.dirname(cupy.__file__)}')"
+python -c "import cupy._core.core" 2>nul && echo   cupy._core.core: OK || echo   cupy._core.core: FAILED
+
+echo.
+echo [7] fastrlock:
+python -c "import fastrlock; print(f'  fastrlock {fastrlock.__version__}')"
+
+echo.
+echo [8] PyInstaller:
+python -c "import PyInstaller; print(f'  PyInstaller {PyInstaller.__version__}')" 2>nul || echo   PyInstaller NOT installed! Run: pip install pyinstaller
+
+echo.
+echo ========================================
+echo  Pre-flight complete
+echo ========================================
+pause