diff --git a/apptainer/build_multi_base.sh b/apptainer/build_multi_base.sh
new file mode 100755
index 00000000..0dd1887f
--- /dev/null
+++ b/apptainer/build_multi_base.sh
@@ -0,0 +1,168 @@
+#!/bin/bash
+# SPDX-License-Identifier: MIT
+# Generate IntelliPerf definition files from different base images
+
+set -e
+
+# Default values
+BASE_IMAGE=""
+OUTPUT_NAME=""
+DEF_TEMPLATE="intelliperf.def"
+SCRIPT_DIR=$(dirname $(realpath $0))
+
+# Preset base images
+declare -A PRESETS=(
+    ["composable_kernel"]="rocm/composable_kernel:ck_ub24.04_rocm7.1.1_amd-staging"
+    ["gemm"]="rocm/pytorch:rocm7.0_ubuntu22.04_py3.10_pytorch_release_2.8.0"
+    ["matrix_transpose1"]="rocm/pytorch:rocm7.0_ubuntu22.04_py3.10_pytorch_release_2.8.0"
+    ["vllm"]="rocm/vllm:rocm7.0.0_vllm_0.11.2_20251210"
+    ["counting_sketch"]="rocm/pytorch:rocm7.0_ubuntu22.04_py3.10_pytorch_release_2.8.0"
+    ["global_reduction"]="rocm/pytorch:rocm7.0_ubuntu22.04_py3.10_pytorch_release_2.8.0"
+    ["silu"]="rocm/pytorch:rocm7.0_ubuntu22.04_py3.10_pytorch_release_2.8.0"
+    ["Dataset_hip"]="rocm/pytorch:rocm7.0_ubuntu22.04_py3.10_pytorch_release_2.8.0"
+    ["gpu-kernel-agent"]="rocm/pytorch:rocm7.0_ubuntu22.04_py3.10_pytorch_release_2.8.0"
+    ["point_to_voxel"]="rocm/pytorch:rocm7.0_ubuntu22.04_py3.10_pytorch_release_2.8.0"
+    ["diff_gaussian_rasterization"]="rocm/pytorch:rocm7.0_ubuntu22.04_py3.10_pytorch_release_2.8.0"
+    ["gsplat"]="rocm/pytorch:rocm7.0_ubuntu22.04_py3.10_pytorch_release_2.8.0"
+    ["histogram"]="rocm/pytorch:rocm7.0_ubuntu22.04_py3.10_pytorch_release_2.8.0"
+    ["reduction"]="rocm/pytorch:rocm7.0_ubuntu22.04_py3.10_pytorch_release_2.8.0"
+    ["causal_conv1d_fwd"]="rocm/pytorch:rocm7.0_ubuntu22.04_py3.10_pytorch_release_2.8.0"
+    ["element_multiply"]="rocm/pytorch:rocm7.0_ubuntu22.04_py3.10_pytorch_release_2.8.0"
+    ["matrix_transpose"]="rocm/pytorch:rocm7.0_ubuntu22.04_py3.10_pytorch_release_2.8.0"
+    ["rocm7.0-pytorch"]="rocm/pytorch:rocm7.0_ubuntu22.04_py3.10_pytorch_release_2.8.0"
+    ["rocm7.1-pytorch"]="rocm/pytorch:rocm7.1_ubuntu22.04_py3.10_pytorch_release_2.8.0"
+    ["composable-kernel"]="rocm/composable_kernel:ck_pytorch"
+    ["rocm6.2-pytorch"]="rocm/pytorch:rocm6.2_ubuntu22.04_py3.10_pytorch_release_2.4.0"
+    ["rocm7.0-ubuntu22"]="rocm/rocm-terminal:rocm7.0-ubuntu22.04"
+    ["rocm7.1-ubuntu22"]="rocm/rocm-terminal:rocm7.1-ubuntu22.04"
+    ["rocm7.0-vllm"]="rocm/vllm:rocm7.0.0_vllm_0.11.2_20251210"
+    
+)
+
+# Help message
+show_help() {
+    cat << EOF
+Usage: $0 [OPTIONS]
+
+Generate IntelliPerf Apptainer definition files from different base images.
+
+OPTIONS:
+    -b, --base IMAGE        Base Docker image (required)
+    -o, --output NAME       Output .def filename (default: intelliperf-<preset>.def)
+    -t, --template FILE     Template .def file (default: intelliperf.def)
+    -p, --preset NAME       Use preset base image (see list below)
+    -l, --list              List available presets
+    -h, --help              Show this help message
+
+PRESETS:
+EOF
+    for preset in "${!PRESETS[@]}"; do
+        echo "    $preset: ${PRESETS[$preset]}"
+    done | sort
+    echo ""
+    echo "EXAMPLES:"
+    echo "    # Generate def file from rocm7.1-pytorch preset"
+    echo "    $0 --preset rocm7.1-pytorch"
+    echo ""
+    echo "    # Generate def file from custom base image"
+    echo "    $0 --base rocm/pytorch:rocm7.2_ubuntu22.04_py3.10_pytorch_release_2.9.0 --output intelliperf-rocm72.def"
+    echo ""
+    echo "    # Generate using intelliperf_ck.def template with different base"
+    echo "    $0 --preset rocm7.1-pytorch --template intelliperf_ck.def --output intelliperf-ck-rocm71.def"
+}
+
+# Parse arguments
+while [[ $# -gt 0 ]]; do
+    case $1 in
+        -b|--base)
+            BASE_IMAGE="$2"
+            shift 2
+            ;;
+        -o|--output)
+            OUTPUT_NAME="$2"
+            shift 2
+            ;;
+        -t|--template)
+            DEF_TEMPLATE="$2"
+            shift 2
+            ;;
+        -p|--preset)
+            PRESET_NAME="$2"
+            if [[ -z "${PRESETS[$PRESET_NAME]}" ]]; then
+                echo "Error: Unknown preset '$PRESET_NAME'"
+                echo "Use --list to see available presets"
+                exit 1
+            fi
+            BASE_IMAGE="${PRESETS[$PRESET_NAME]}"
+            # Set default output name based on preset if not specified
+            if [[ -z "$OUTPUT_NAME" ]]; then
+                OUTPUT_NAME="intelliperf-${PRESET_NAME}.def"
+            fi
+            shift 2
+            ;;
+        -l|--list)
+            echo "Available presets:"
+            for preset in "${!PRESETS[@]}"; do
+                echo "  $preset: ${PRESETS[$preset]}"
+            done | sort
+            exit 0
+            ;;
+        -h|--help)
+            show_help
+            exit 0
+            ;;
+        *)
+            echo "Unknown option: $1"
+            show_help
+            exit 1
+            ;;
+    esac
+done
+
+# Validate required arguments
+if [[ -z "$BASE_IMAGE" ]]; then
+    echo "Error: Base image is required (use --base or --preset)"
+    show_help
+    exit 1
+fi
+
+# Set default output name if not specified
+if [[ -z "$OUTPUT_NAME" ]]; then
+    # Extract a sanitized name from the base image
+    SANITIZED=$(echo "$BASE_IMAGE" | sed 's/[\/:]/-/g')
+    OUTPUT_NAME="intelliperf-${SANITIZED}.def"
+fi
+
+# Check if template exists
+if [[ ! -f "$SCRIPT_DIR/$DEF_TEMPLATE" ]]; then
+    echo "Error: Template file '$DEF_TEMPLATE' not found in $SCRIPT_DIR"
+    exit 1
+fi
+
+echo "=========================================="
+echo "IntelliPerf Definition File Generator"
+echo "=========================================="
+echo "Base Image:    $BASE_IMAGE"
+echo "Template:      $DEF_TEMPLATE"
+echo "Output:        $OUTPUT_NAME"
+echo "=========================================="
+
+# Replace the 'From:' line in the template and save to output
+sed "s|^From:.*|From: ${BASE_IMAGE}|" "$SCRIPT_DIR/$DEF_TEMPLATE" > "$SCRIPT_DIR/$OUTPUT_NAME"
+
+if [[ $? -eq 0 ]]; then
+    echo ""
+    echo "=========================================="
+    echo "Definition file generated successfully!"
+    echo "Saved to: $SCRIPT_DIR/$OUTPUT_NAME"
+    echo "=========================================="
+    echo ""
+    echo "To build the container:"
+    echo "  apptainer build ${OUTPUT_NAME%.def}.sif $SCRIPT_DIR/$OUTPUT_NAME"
+else
+    echo ""
+    echo "=========================================="
+    echo "Generation failed!"
+    echo "=========================================="
+    exit 1
+fi
diff --git a/apptainer/intelliperf.def b/apptainer/intelliperf.def
index da1fa972..39138b6c 100644
--- a/apptainer/intelliperf.def
+++ b/apptainer/intelliperf.def
@@ -11,6 +11,10 @@ From: rocm/pytorch:rocm7.0_ubuntu22.04_py3.10_pytorch_release_2.8.0
     export ROCM_PATH=/opt/rocm
     export OMPI_MCA_mtl="^ofi"
     export OMPI_MCA_pml="ob1"
+    
+    # Activate virtual environment
+    export VIRTUAL_ENV=/opt/intelliperf_venv
+    export PATH=/opt/intelliperf_venv/bin:$PATH
 
 %post
     /bin/bash -c "
@@ -22,13 +26,19 @@ From: rocm/pytorch:rocm7.0_ubuntu22.04_py3.10_pytorch_release_2.8.0
 
     # Install additional system dependencies
     apt-get -y update
-    apt-get install -y software-properties-common git wget clang lld libzstd-dev libomp-dev vim libdwarf-dev gdb tmux
+    apt-get install -y software-properties-common git wget clang lld libzstd-dev libomp-dev vim libdwarf-dev gdb tmux cmake unzip python3-venv
 
-    # Upgrade pip
+    # Create virtual environment
+    python3 -m venv /opt/intelliperf_venv
+    
+    # Activate virtual environment
+    . /opt/intelliperf_venv/bin/activate
+
+    # Upgrade pip in virtual environment
     pip install --upgrade pip
 
-    # Install additional Python packages for intelliperf
-    pip install --no-cache-dir \
+    # Install additional Python packages for intelliperf in virtual environment
+    pip install --upgrade --ignore-installed --no-cache-dir \
         astunparse==1.6.2 \
         colorlover \
         dash-bootstrap-components \
@@ -59,7 +69,22 @@ From: rocm/pytorch:rocm7.0_ubuntu22.04_py3.10_pytorch_release_2.8.0
         litellm[proxy]
     "
 
+    # Only install rocm-cmake if it doesn't exist
+    if [ ! -d "rocm-cmake" ]; then
+        git clone https://github.com/ROCm/rocm-cmake.git
+        cd rocm-cmake
+        mkdir build
+        cd build
+        cmake ..
+        cmake --build .
+        cmake --build . --target install
+    fi
 %runscript
+    #!/bin/bash
+    # Activate virtual environment
+    if [ -f /opt/intelliperf_venv/bin/activate ]; then
+        . /opt/intelliperf_venv/bin/activate
+    fi
+    
     echo "Welcome to IntelliPerf with ROCm 7.0!"
-    source /opt/conda/bin/activate py_3.10
     exec "$@"