@mytec: iter3.7.0 start, gpu calc int

installer/build-gpu.bat

@@ -0,0 +1,70 @@
+@echo off
+echo ========================================
+echo  RFCP GPU Build — ONEDIR mode
+echo  CuPy-cuda13x + CUDA Toolkit 13.x
+echo ========================================
+echo.
+
+REM ── Check CuPy ──
+echo [1/5] Checking CuPy installation...
+python -c "import cupy; print(f'  CuPy {cupy.__version__}')" 2>nul
+if errorlevel 1 (
+    echo ERROR: CuPy not installed.
+    echo   Run: pip install cupy-cuda13x
+    exit /b 1
+)
+
+REM ── Check CUDA compute ──
+echo [2/5] Testing GPU compute...
+python -c "import cupy; a = cupy.array([1,2,3]); assert a.sum() == 6; print('  GPU compute: OK')" 2>nul
+if errorlevel 1 (
+    echo ERROR: CuPy installed but GPU compute failed.
+    echo   Check: CUDA Toolkit installed? nvidia-smi works?
+    exit /b 1
+)
+
+REM ── Check CUDA_PATH ──
+echo [3/5] Checking CUDA Toolkit...
+if defined CUDA_PATH (
+    echo   CUDA_PATH: %CUDA_PATH%
+) else (
+    echo   WARNING: CUDA_PATH not set
+)
+
+REM ── Check nvidia pip DLLs ──
+echo [4/5] Checking nvidia pip packages...
+python -c "import nvidia; import os; base=os.path.dirname(nvidia.__file__); dlls=[f for d in os.listdir(base) if os.path.isdir(os.path.join(base,d,'bin')) for f in os.listdir(os.path.join(base,d,'bin')) if f.endswith('.dll')]; print(f'  nvidia pip DLLs: {len(dlls)}')" 2>nul
+if errorlevel 1 (
+    echo   No nvidia pip packages (will use CUDA Toolkit)
+)
+
+REM ── Build ──
+echo.
+echo [5/5] Building rfcp-server (ONEDIR mode)...
+echo   This may take 3-5 minutes...
+echo.
+
+cd /d "%~dp0\..\backend"
+pyinstaller "..\installer\rfcp-server-gpu.spec" --clean --noconfirm
+
+echo.
+echo ========================================
+if exist "dist\rfcp-server\rfcp-server.exe" (
+    echo  BUILD COMPLETE! (ONEDIR mode)
+    echo.
+    echo  Output: backend\dist\rfcp-server\
+    dir /b dist\rfcp-server\*.exe dist\rfcp-server\*.dll 2>nul | find /c /v "" > nul
+    echo.
+    echo  Test commands:
+    echo    cd dist\rfcp-server
+    echo    rfcp-server.exe
+    echo    curl http://localhost:8090/api/health
+    echo    curl http://localhost:8090/api/gpu/status
+    echo ========================================
+) else (
+    echo  BUILD FAILED — check errors above
+    echo ========================================
+    exit /b 1
+)
+
+pause