iso: improve burn-in, export, and live boot

iso/builder/build.sh

@@ -159,6 +159,16 @@ else
     echo "=== bee binary up to date, skipping build ==="
 fi
 
+echo ""
+echo "=== downloading cuBLAS/cuBLASLt/cudart ${NCCL_CUDA_VERSION} userspace ==="
+sh "${BUILDER_DIR}/build-cublas.sh" \
+    "${CUBLAS_VERSION}" \
+    "${CUDA_USERSPACE_VERSION}" \
+    "${NCCL_CUDA_VERSION}" \
+    "${DIST_DIR}"
+
+CUBLAS_CACHE="${DIST_DIR}/cublas-${CUBLAS_VERSION}+cuda${NCCL_CUDA_VERSION}"
+
 GPU_STRESS_NEED_BUILD=1
 if [ -f "$GPU_STRESS_BIN" ] && [ "${BUILDER_DIR}/bee-gpu-stress.c" -ot "$GPU_STRESS_BIN" ]; then
     GPU_STRESS_NEED_BUILD=0
@@ -167,6 +177,7 @@ fi
 if [ "$GPU_STRESS_NEED_BUILD" = "1" ]; then
     echo "=== building bee-gpu-stress ==="
     gcc -O2 -s -Wall -Wextra \
+        -I"${CUBLAS_CACHE}/include" \
         -o "$GPU_STRESS_BIN" \
         "${BUILDER_DIR}/bee-gpu-stress.c" \
         -ldl
@@ -283,6 +294,10 @@ NCCL_CACHE="${DIST_DIR}/nccl-${NCCL_VERSION}+cuda${NCCL_CUDA_VERSION}"
 cp "${NCCL_CACHE}/lib/"* "${OVERLAY_STAGE_DIR}/usr/lib/"
 echo "=== NCCL: $(ls "${NCCL_CACHE}/lib/" | wc -l) files injected into /usr/lib/ ==="
 
+# Inject cuBLAS/cuBLASLt/cudart runtime libs used by bee-gpu-stress tensor-core GEMM path
+cp "${CUBLAS_CACHE}/lib/"* "${OVERLAY_STAGE_DIR}/usr/lib/"
+echo "=== cuBLAS: $(ls "${CUBLAS_CACHE}/lib/" | wc -l) files injected into /usr/lib/ ==="
+
 # --- embed build metadata ---
 mkdir -p "${OVERLAY_STAGE_DIR}/etc"
 BUILD_DATE="$(date +%Y-%m-%d)"
@@ -297,6 +312,8 @@ DEBIAN_KERNEL_ABI=${DEBIAN_KERNEL_ABI}
 NVIDIA_DRIVER_VERSION=${NVIDIA_DRIVER_VERSION}
 NCCL_VERSION=${NCCL_VERSION}
 NCCL_CUDA_VERSION=${NCCL_CUDA_VERSION}
+CUBLAS_VERSION=${CUBLAS_VERSION}
+CUDA_USERSPACE_VERSION=${CUDA_USERSPACE_VERSION}
 EOF
 
 # Patch motd with build info