diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 34cf397b9..58534199a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -21,17 +21,16 @@ on:
     branches: [ main ]
 
 env:
-  build_dir: "build"
+  build-dir: "build"
   config: "Release"
   artifact: "native"
   nt: "4"
 
 jobs:
-
   windows:
-    runs-on: windows-2019
+    runs-on: windows-2022
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           submodules: true
           fetch-depth: 0
@@ -43,44 +42,22 @@ jobs:
           arch: amd64
 
       - name: Configure CMake
-        run: cmake . -G Ninja -B ${{ env.build_dir }} -DCMAKE_BUILD_TYPE=${{ env.config }}
+        run: |
+          cmake . -G Ninja -B ${{ env.build-dir }} -DCMAKE_BUILD_TYPE=${{ env.config }} -DSPLA_BUILD_OPENCL=OFF
 
       - name: Build library sources
-        run: cmake --build ${{ env.build_dir }}
+        run: cmake --build ${{ env.build-dir }} --verbose -j ${{ env.nt }}
 
       - name: Upload binary
         uses: actions/upload-artifact@v4
         with:
           name: windows-${{env.artifact}}
-          path: ${{env.build_dir}}/spla_x64.dll
-
-
-  ubuntu:
-    runs-on: ubuntu-24.04
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          submodules: true
-          fetch-depth: 0
-
-      - uses: seanmiddleditch/gha-setup-ninja@master
-
-      - name: Configure CMake
-        run: cmake . -G Ninja -B ${{ env.build_dir }} -DCMAKE_BUILD_TYPE=${{ env.config }}
-
-      - name: Build library sources
-        run: cmake --build ${{ env.build_dir }}
-
-      - name: Upload binary
-        uses: actions/upload-artifact@v4
-        with:
-          name: linux-${{env.artifact}}
-          path: ${{env.build_dir}}/libspla_x64.so
+          path: ${{env.build-dir}}/spla_x64.dll
 
   macos:
     runs-on: macos-14
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           submodules: true
           fetch-depth: 0
@@ -88,23 +65,28 @@ jobs:
       - uses: seanmiddleditch/gha-setup-ninja@master
 
       - name: Configure CMake x64
-        run: cmake . -G Ninja -B ${{ env.build_dir }} -DCMAKE_BUILD_TYPE=${{ env.config }} -DCMAKE_OSX_ARCHITECTURES=x86_64
+        run: cmake . -G Ninja -B ${{ env.build-dir }} -DCMAKE_BUILD_TYPE=${{ env.config }} -DCMAKE_OSX_ARCHITECTURES=x86_64
 
       - name: Build library sources x64
-        run: cmake --build ${{ env.build_dir }}
+        run: cmake --build ${{ env.build-dir }}
 
       - name: Configure CMake arm64
-        run: cmake . -G Ninja -B ${{ env.build_dir }} -DCMAKE_BUILD_TYPE=${{ env.config }} -DCMAKE_OSX_ARCHITECTURES=arm64
+        run: |
+          cmake . -G Ninja \
+                  -B ${{ env.build-dir }} \
+                  -DCMAKE_BUILD_TYPE=${{ env.config }} \
+                  -DCMAKE_OSX_ARCHITECTURES=arm64 \
+                  -DSPLA_BUILD_OPENCL=OFF
         env:
           BOOST_ROOT: ${{ steps.install-boost.outputs.BOOST_ROOT }}
 
       - name: Build library sources arm64
-        run: cmake --build ${{ env.build_dir }}
+        run: cmake --build ${{ env.build-dir }} --verbose -j ${{ env.nt }}
 
       - name: Upload binary
         uses: actions/upload-artifact@v4
         with:
           name: macos-${{env.artifact}}
           path: |
-            ${{env.build_dir}}/libspla_x64.dylib
-            ${{env.build_dir}}/libspla_arm64.dylib
+            ${{env.build-dir}}/libspla_x64.dylib
+            ${{env.build-dir}}/libspla_arm64.dylib
diff --git a/.github/workflows/clang-format.yml b/.github/workflows/clang-format.yml
index 61f697d55..76e2c460d 100644
--- a/.github/workflows/clang-format.yml
+++ b/.github/workflows/clang-format.yml
@@ -26,9 +26,10 @@ jobs:
           - 'tests'
           - 'examples'
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v5
+
       - name: Run clang-format style check
-        uses: jidicula/clang-format-action@v4.10.1
+        uses: jidicula/clang-format-action@v4.15.0
         with:
-          clang-format-version: '15'
+          clang-format-version: '20'
           check-path: ${{ matrix.path }}
diff --git a/.github/workflows/deploy-test.yml b/.github/workflows/deploy-test.yml
index e22cd7855..ae0c00869 100644
--- a/.github/workflows/deploy-test.yml
+++ b/.github/workflows/deploy-test.yml
@@ -2,7 +2,7 @@ name: Python Package (Test)
 
 on:
   workflow_run:
-    workflows: [ "Build" ]
+    workflows: [ Build ]
     branches: [ "pre-release" ]
     types:
       - completed
@@ -14,10 +14,8 @@ jobs:
     if: ${{ github.event.workflow_run.conclusion == 'success' }}
 
     steps:
-      - uses: actions/checkout@v2
-
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v6
         with:
           python-version: '3.8'
 
@@ -27,7 +25,7 @@ jobs:
           pip install setuptools wheel twine
 
       - name: Download artifact
-        uses: dawidd6/action-download-artifact@v2
+        uses: dawidd6/action-download-artifact@v5
         with:
           workflow: build.yml
           workflow_conclusion: success
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 026492987..a689e31d0 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -14,12 +14,12 @@ jobs:
     if: ${{ github.event.workflow_run.conclusion == 'success' }}
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v5
 
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v6
         with:
-          python-version: '3.8'
+          python-version: '3.12.5'
 
       - name: Install dependencies
         run: |
@@ -27,7 +27,7 @@ jobs:
           pip install setuptools wheel twine
 
       - name: Download artifact
-        uses: dawidd6/action-download-artifact@v2
+        uses: dawidd6/action-download-artifact@v5
         with:
           workflow: build.yml
           workflow_conclusion: success
diff --git a/.github/workflows/docs-cpp.yml b/.github/workflows/docs-cpp.yml
index bd557537f..f89432a91 100644
--- a/.github/workflows/docs-cpp.yml
+++ b/.github/workflows/docs-cpp.yml
@@ -17,13 +17,13 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v5
 
       - name: Generate documentation
-        uses: mattnotmitt/doxygen-action@v1.3.1
+        uses: mattnotmitt/doxygen-action@v1.12.0
 
       - name: Publish to Github Pages
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./html/
diff --git a/.github/workflows/docs-python.yml b/.github/workflows/docs-python.yml
index 5a288db1e..26782bd6d 100644
--- a/.github/workflows/docs-python.yml
+++ b/.github/workflows/docs-python.yml
@@ -14,12 +14,12 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ 3.8 ]
+        python-version: [ 3.12.5 ]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v5
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
 
@@ -32,8 +32,8 @@ jobs:
           SPLA_DOCS: true
 
       - name: Publish to Github Pages
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./pydocs/
-          destination_dir: docs-python
\ No newline at end of file
+          destination_dir: docs-python
diff --git a/.github/workflows/self-hosted.yml b/.github/workflows/self-hosted.yml
new file mode 100644
index 000000000..84f0e967e
--- /dev/null
+++ b/.github/workflows/self-hosted.yml
@@ -0,0 +1,102 @@
+name: Self-Hosted
+
+on:
+  push:
+    branches:
+      - main
+      - release
+      - pre-release
+    paths:
+      - '.github/**'
+      - 'deps/**'
+      - 'include/**'
+      - 'src/**'
+      - 'tests/**'
+      - 'examples/**'
+      - 'python/**'
+      - '.gitignore'
+      - '.gitmodules'
+      - 'CMakeLists.txt'
+  pull_request:
+    branches: [ main, pocl-support ]
+
+env:
+  build-dir: "build"
+
+jobs:
+  build:
+    name: Build ${{ matrix.os }}
+    runs-on: self-hosted
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-24.04
+    env:
+      config: "Release"
+      nt: "4"
+
+    steps:
+      - uses: actions/checkout@v5
+        with:
+          submodules: true
+          fetch-depth: 0
+
+      - name: Configure CMake
+        run: |
+          cmake . -G Ninja                             \
+                  -B ${{ env.build-dir }}              \
+                  -DCMAKE_BUILD_TYPE=${{ env.config }} \
+                  -DSPLA_BUILD_TESTS=ON
+
+      - name: Build library sources
+        run: |
+          cmake --build ${{ env.build-dir }} \
+                --target all \
+                --verbose \
+                -j ${{ env.nt }}
+
+  test:
+    name: Test GPU ${{ matrix.gpu }}
+    needs: build
+    runs-on: self-hosted
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - gpu: Intel-Core-i7-4790
+            platform: 0
+            device: 0
+
+    env:
+      test-file: ${{ matrix.gpu }}_tests.log
+
+    steps:
+      - name: Run tests
+        run: |
+          python3 ./run_tests.py --build-dir=${{ env.build-dir }} \
+                                 --platform=${{ matrix.platform }} \
+                                 --device=${{ matrix.device }} \
+                                 | tee ${{ env.test-file }}
+
+      - name: Upload tests resutls
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ env.test-file }}
+          path: ${{ env.test-file }}
+
+      - name: Check for tests results
+        run: |
+          ! grep -qi "FAILED" ${{ env.test-file }}
+
+  clean:
+    name: Cleanup workspace
+    needs: test
+    if: always()
+    runs-on: self-hosted
+
+    steps:
+      - name: Cleanup workspace
+        run: |
+          rm -rf ${{ github.workspace }}/*
+          rm -rf ${{ github.workspace }}/.*
diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
new file mode 100644
index 000000000..6828c3d40
--- /dev/null
+++ b/.github/workflows/ubuntu.yml
@@ -0,0 +1,109 @@
+name: Ubuntu
+
+on:
+  push:
+    branches:
+      - main
+      - release
+      - pre-release
+    paths:
+      - '.github/**'
+      - 'deps/**'
+      - 'include/**'
+      - 'src/**'
+      - 'tests/**'
+      - 'examples/**'
+      - 'python/**'
+      - '.gitignore'
+      - '.gitmodules'
+      - 'CMakeLists.txt'
+  pull_request:
+    branches: [ main ]
+
+env:
+  build-dir: "build"
+  config: "Release"
+  artifact: "spla-ubuntu-build.tar.xz"
+  nt: "4"
+
+jobs:
+  build:
+    name: Build ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@v5
+        with:
+          submodules: true
+          fetch-depth: 0
+
+      - uses: seanmiddleditch/gha-setup-ninja@master
+
+      - name: Configure CMake
+        run: |
+          cmake . -G Ninja                \
+                  -B ${{ env.build-dir }} \
+                  -DCMAKE_BUILD_TYPE=${{ env.config }} \
+                  -DSPLA_BUILD_TESTS=ON \
+                  -DSPLA_BUILD_OPENCL=OFF
+
+      - name: Build library sources
+        run: |
+          cmake --build ${{ env.build-dir }} --verbose -j ${{ env.nt }}
+
+      - name: Prepare upload binary
+        run: |
+          tar cfz ${{ env.artifact }} ${{ env.build-dir }}
+
+      - name: Upload binary
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{env.artifact}}
+          path: ${{env.artifact}}
+
+  test:
+    name: Test CPU ${{ matrix.cpu }}
+    needs: build
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-24.04
+            cpu: AMD-EPYC-7763
+  
+    env:
+      test-file: cpu_tests.log
+
+    steps:
+      - uses: actions/checkout@v5
+        with:
+          submodules: true
+          fetch-depth: 0
+
+      - uses: actions/download-artifact@v5
+        with:
+          name: ${{ env.artifact }}
+
+      - name: Unarchive artifact
+        run: |
+          tar xzf ${{ env.artifact }}
+          rm ${{ env.artifact }}
+
+      - name: Run tests
+        run: |
+          python3 ./run_tests.py --build-dir=${{ env.build-dir }} | tee ${{ env.test-file }}
+
+      - name: Upload tests resutls
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ env.test-file }}
+          path: ${{ env.test-file }}
+
+      - name: Check for tests results
+        run: |
+          ! grep -qi "FAILED" ${{ env.test-file }}
diff --git a/run_tests.py b/run_tests.py
index ad738fdea..0e8befbc2 100644
--- a/run_tests.py
+++ b/run_tests.py
@@ -29,6 +29,7 @@
 import argparse
 import subprocess
 import re
+import os
 
 
 def test_names(test_src_path):
@@ -41,18 +42,30 @@ def test_names(test_src_path):
 def main():
     parser = argparse.ArgumentParser()
     parser.add_argument("--build-dir", default="build")
+    parser.add_argument("--platform", default="0")
+    parser.add_argument("--device", default="0")
     args = parser.parse_args()
 
+    spla_opencl_platform = "SPLA_OPENCL_PLATFORM"
+    spla_opencl_device = "SPLA_OPENCL_DEVICE"
+
+    os.environ[spla_opencl_platform] = args.platform
+    os.environ[spla_opencl_device] = args.device
+
     tests_dir = shared.ROOT / args.build_dir / "tests"
     print(f"Searching for unit-tests in `{tests_dir}` folder")
 
     failed_tests = []
+    skipped_tests = []
     all_tests = test_names(shared.ROOT / "tests")
     for test_name in all_tests:
         full_test_name = str(tests_dir / test_name)
-        print(f"Exec unit-test: `{full_test_name}`")
         try:
             subprocess.check_call(full_test_name)
+            print(f"Exec unit-test: `{full_test_name}`")
+        except FileNotFoundError:
+            skipped_tests.append(test_name)
+            print(f"Skipped: `{full_test_name}`")
         except subprocess.CalledProcessError as err:
             failed_tests.append(test_name)
             print(f"Failed: `{err.output}`")
@@ -60,10 +73,14 @@ def main():
     all_tests_string = '\n\t'.join(all_tests)
     print(f"All executed tests: \n\t{all_tests_string}")
 
+    if skipped_tests:
+        skipped_tests_string = '\n\t'.join(skipped_tests)
+        print(f"Skipped tests: \n\t{skipped_tests_string}")
+
     if failed_tests:
         failed_tests_string = '\n\t'.join(failed_tests)
         raise Exception(f"Some tests have not been passed: \n\t{failed_tests_string}")
 
 
 if __name__ == "__main__":
-    main()
+    main()
\ No newline at end of file
diff --git a/src/opencl/cl_accelerator.cpp b/src/opencl/cl_accelerator.cpp
index 6c3d588b3..d91291f55 100644
--- a/src/opencl/cl_accelerator.cpp
+++ b/src/opencl/cl_accelerator.cpp
@@ -42,10 +42,15 @@ namespace spla {
     Status CLAccelerator::init() {
         m_description = "no platform or device";
 
-        if (set_platform(0) != Status::Ok)
+        const char* spla_opencl_platform = std::getenv(SPLA_OPENCL_PLATFORM);
+        const char* spla_opencl_device   = std::getenv(SPLA_OPENCL_DEVICE);
+        int         platform_index       = (spla_opencl_platform ? std::atoi(spla_opencl_platform) : 0);
+        int         device_index         = (spla_opencl_device ? std::atoi(spla_opencl_device) : 0);
+
+        if (set_platform(platform_index) != Status::Ok)
             return Status::PlatformNotFound;
 
-        if (set_device(0) != Status::Ok)
+        if (set_device(device_index) != Status::Ok)
             return Status::DeviceNotFound;
 
         if (set_queues_count(1) != Status::Ok)
@@ -111,9 +116,14 @@ namespace spla {
         m_is_intel  = false;
         m_is_img    = false;
 
-        auto dev_type = m_device.getInfo<CL_DEVICE_TYPE>();
+        auto dev_type        = m_device.getInfo<CL_DEVICE_TYPE>();
+        auto m_platform_name = m_platform.getInfo<CL_PLATFORM_NAME>();
 
-        if (m_vendor_id == 0x10006 &&
+        if ((m_vendor_id == 65542 ||
+             m_vendor_name.find("pocl") != std::string::npos ||
+             m_vendor_name.find("POCL") != std::string::npos ||
+             m_vendor_name.find("PoCL") != std::string::npos ||
+             m_platform_name.find("Portable Computing Language") != std::string::npos) &&
             dev_type == CL_DEVICE_TYPE_CPU) {
             m_vendor_code = VENDOR_CODE_POCL_CPU;
             m_default_wgs = 64;
diff --git a/src/opencl/cl_accelerator.hpp b/src/opencl/cl_accelerator.hpp
index d9741d1f9..d809398c3 100644
--- a/src/opencl/cl_accelerator.hpp
+++ b/src/opencl/cl_accelerator.hpp
@@ -52,6 +52,9 @@
 #define VENDOR_CODE_IMG      "img"
 #define VENDOR_CODE_POCL_CPU "pocl_cpu"
 
+#define SPLA_OPENCL_PLATFORM "SPLA_OPENCL_PLATFORM"
+#define SPLA_OPENCL_DEVICE   "SPLA_OPENCL_DEVICE"
+
 namespace spla {
 
     /**
@@ -99,6 +102,7 @@ namespace spla {
         [[nodiscard]] bool               is_amd() const { return m_is_amd; }
         [[nodiscard]] bool               is_intel() const { return m_is_intel; }
         [[nodiscard]] bool               is_img() const { return m_is_img; }
+        [[nodiscard]] bool               is_pocl() const { return m_is_pocl; }
 
     private:
         cl::Platform                          m_platform;
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index d642b2fe0..e20657a89 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -15,7 +15,9 @@ spla_test_target(test_mxmT)
 spla_test_target(test_mxv)
 spla_test_target(test_vxm)
 spla_test_target(test_op)
-spla_test_target(test_opencl)
-spla_test_target(test_opencl_merge)
+if (SPLA_BUILD_OPENCL)
+    spla_test_target(test_opencl)
+    spla_test_target(test_opencl_merge)
+endif ()
 spla_test_target(test_schedule)
-spla_test_target(test_vector)
+spla_test_target(test_vector)
\ No newline at end of file
diff --git a/tests/test_array.cpp b/tests/test_array.cpp
index 51278a5dc..31f6c131a 100644
--- a/tests/test_array.cpp
+++ b/tests/test_array.cpp
@@ -99,4 +99,4 @@ TEST(array, read) {
     }
 }
 
-SPLA_GTEST_MAIN
\ No newline at end of file
+SPLA_GTEST_MAIN
diff --git a/tests/test_kron.cpp b/tests/test_kron.cpp
index 22040d795..e0839b605 100644
--- a/tests/test_kron.cpp
+++ b/tests/test_kron.cpp
@@ -92,4 +92,4 @@ TEST(kron, naive) {
     }
 }
 
-SPLA_GTEST_MAIN_WITH_FINALIZE_PLATFORM(1)
+SPLA_GTEST_MAIN
diff --git a/tests/test_library.cpp b/tests/test_library.cpp
index 7eba89e93..114f8db1b 100644
--- a/tests/test_library.cpp
+++ b/tests/test_library.cpp
@@ -66,4 +66,4 @@ TEST(library, default_accelerator_info) {
     std::cout << "Info: " << acc_info << std::endl;
 }
 
-SPLA_GTEST_MAIN
\ No newline at end of file
+SPLA_GTEST_MAIN
diff --git a/tests/test_matrix.cpp b/tests/test_matrix.cpp
index 2246b38e9..14ecc4e17 100644
--- a/tests/test_matrix.cpp
+++ b/tests/test_matrix.cpp
@@ -271,4 +271,4 @@ TEST(matrix, emult) {
     }
 }
 
-SPLA_GTEST_MAIN_WITH_FINALIZE
\ No newline at end of file
+SPLA_GTEST_MAIN_WITH_FINALIZE
diff --git a/tests/test_mxm.cpp b/tests/test_mxm.cpp
index 879415cd4..b727975ab 100644
--- a/tests/test_mxm.cpp
+++ b/tests/test_mxm.cpp
@@ -129,4 +129,4 @@ TEST(mxm, perf_zero) {
     }
 }
 
-SPLA_GTEST_MAIN_WITH_FINALIZE_PLATFORM(1)
+SPLA_GTEST_MAIN
diff --git a/tests/test_mxmT.cpp b/tests/test_mxmT.cpp
index 64c05b6dc..2fa385494 100644
--- a/tests/test_mxmT.cpp
+++ b/tests/test_mxmT.cpp
@@ -140,4 +140,4 @@ TEST(mxmT_masked, perf_zero) {
 }
 
 
-SPLA_GTEST_MAIN_WITH_FINALIZE_PLATFORM(1)
\ No newline at end of file
+SPLA_GTEST_MAIN
diff --git a/tests/test_mxv.cpp b/tests/test_mxv.cpp
index 9c1c6de29..611c4c404 100644
--- a/tests/test_mxv.cpp
+++ b/tests/test_mxv.cpp
@@ -129,4 +129,4 @@ TEST(mxv_masked, perf) {
     std::cout << std::endl;
 }
 
-SPLA_GTEST_MAIN_WITH_FINALIZE_PLATFORM(1)
\ No newline at end of file
+SPLA_GTEST_MAIN
diff --git a/tests/test_op.cpp b/tests/test_op.cpp
index c439c29a5..a1d915891 100644
--- a/tests/test_op.cpp
+++ b/tests/test_op.cpp
@@ -61,4 +61,4 @@ TEST(op_binary, custom) {
     display_op_info(custom_plus);
 }
 
-SPLA_GTEST_MAIN_WITH_FINALIZE
\ No newline at end of file
+SPLA_GTEST_MAIN_WITH_FINALIZE
diff --git a/tests/test_opencl.cpp b/tests/test_opencl.cpp
index 7b8d6a384..14d0799a5 100644
--- a/tests/test_opencl.cpp
+++ b/tests/test_opencl.cpp
@@ -31,6 +31,8 @@
 #define CL_HPP_MINIMUM_OPENCL_VERSION 120
 #define CL_HPP_TARGET_OPENCL_VERSION  120
 #define CL_HPP_ENABLE_EXCEPTIONS
+#define SPLA_OPENCL_PLATFORM "SPLA_OPENCL_PLATFORM"
+#define SPLA_OPENCL_DEVICE   "SPLA_OPENCL_DEVICE"
 #include <CL/opencl.hpp>
 
 #include <iostream>
@@ -44,14 +46,21 @@ TEST(opencl, basic) {
     if (platforms.empty()) {
         GTEST_SKIP() << "No platforms found";
     }
-    cl::Platform platform = platforms.front();
+
+    const char* spla_opencl_platform = std::getenv(SPLA_OPENCL_PLATFORM);
+    int         platform_index       = (spla_opencl_platform ? std::atoi(spla_opencl_platform) : 0);
+
+    cl::Platform platform = platforms[platform_index];
 
     std::vector<cl::Device> devices;
     platform.getDevices(CL_DEVICE_TYPE_ALL, &devices);
     if (devices.empty()) {
         GTEST_SKIP() << "No devices found";
     }
-    cl::Device device = devices.front();
+
+    const char* spla_opencl_device = std::getenv(SPLA_OPENCL_DEVICE);
+    int         device_index       = (spla_opencl_device ? std::atoi(spla_opencl_device) : 0);
+    cl::Device  device             = devices[device_index];
 
     cl::Context      context(device);
     cl::CommandQueue queue(context);
@@ -97,14 +106,21 @@ TEST(opencl, bitonic_sort_local) {
     if (platforms.empty()) {
         GTEST_SKIP() << "No platforms found";
     }
-    cl::Platform platform = platforms.front();
+
+    const char* spla_opencl_platform = std::getenv(SPLA_OPENCL_PLATFORM);
+    int         platform_index       = (spla_opencl_platform ? std::atoi(spla_opencl_platform) : 0);
+
+    cl::Platform platform = platforms[platform_index];
 
     std::vector<cl::Device> devices;
     platform.getDevices(CL_DEVICE_TYPE_ALL, &devices);
     if (devices.empty()) {
         GTEST_SKIP() << "No devices found";
     }
-    cl::Device device = devices.front();
+
+    const char* spla_opencl_device = std::getenv(SPLA_OPENCL_DEVICE);
+    int         device_index       = (spla_opencl_device ? std::atoi(spla_opencl_device) : 0);
+    cl::Device  device             = devices[device_index];
 
     cl::Context      context(device);
     cl::CommandQueue queue(context);
@@ -153,14 +169,21 @@ TEST(opencl, bitonic_sort_global) {
     if (platforms.empty()) {
         GTEST_SKIP() << "No platforms found";
     }
-    cl::Platform platform = platforms.front();
+
+    const char* spla_opencl_platform = std::getenv(SPLA_OPENCL_PLATFORM);
+    int         platform_index       = (spla_opencl_platform ? std::atoi(spla_opencl_platform) : 0);
+
+    cl::Platform platform = platforms[platform_index];
 
     std::vector<cl::Device> devices;
     platform.getDevices(CL_DEVICE_TYPE_ALL, &devices);
     if (devices.empty()) {
         GTEST_SKIP() << "No devices found";
     }
-    cl::Device device = devices.front();
+
+    const char* spla_opencl_device = std::getenv(SPLA_OPENCL_DEVICE);
+    int         device_index       = (spla_opencl_device ? std::atoi(spla_opencl_device) : 0);
+    cl::Device  device             = devices[device_index];
 
     cl::Context      context(device);
     cl::CommandQueue queue(context);
@@ -210,14 +233,21 @@ TEST(opencl, custom_value) {
     if (platforms.empty()) {
         GTEST_SKIP() << "No platforms found";
     }
-    cl::Platform platform = platforms.front();
+
+    const char* spla_opencl_platform = std::getenv(SPLA_OPENCL_PLATFORM);
+    int         platform_index       = (spla_opencl_platform ? std::atoi(spla_opencl_platform) : 0);
+
+    cl::Platform platform = platforms[platform_index];
 
     std::vector<cl::Device> devices;
     platform.getDevices(CL_DEVICE_TYPE_ALL, &devices);
     if (devices.empty()) {
         GTEST_SKIP() << "No devices found";
     }
-    cl::Device device = devices.front();
+
+    const char* spla_opencl_device = std::getenv(SPLA_OPENCL_DEVICE);
+    int         device_index       = (spla_opencl_device ? std::atoi(spla_opencl_device) : 0);
+    cl::Device  device             = devices[device_index];
 
     cl::Context      context(device);
     cl::CommandQueue queue(context);
@@ -264,14 +294,21 @@ TEST(opencl, reduce_by_key_small) {
     if (platforms.empty()) {
         GTEST_SKIP() << "No platforms found";
     }
-    cl::Platform platform = platforms.front();
+
+    const char* spla_opencl_platform = std::getenv(SPLA_OPENCL_PLATFORM);
+    int         platform_index       = (spla_opencl_platform ? std::atoi(spla_opencl_platform) : 0);
+
+    cl::Platform platform = platforms[platform_index];
 
     std::vector<cl::Device> devices;
     platform.getDevices(CL_DEVICE_TYPE_ALL, &devices);
     if (devices.empty()) {
         GTEST_SKIP() << "No devices found";
     }
-    cl::Device device = devices.front();
+
+    const char* spla_opencl_device = std::getenv(SPLA_OPENCL_DEVICE);
+    int         device_index       = (spla_opencl_device ? std::atoi(spla_opencl_device) : 0);
+    cl::Device  device             = devices[device_index];
 
     cl::Context      context(device);
     cl::CommandQueue queue(context, CL_QUEUE_PROFILING_ENABLE);
diff --git a/tests/test_opencl_merge.cpp b/tests/test_opencl_merge.cpp
index 9761de9aa..40e8d96f2 100644
--- a/tests/test_opencl_merge.cpp
+++ b/tests/test_opencl_merge.cpp
@@ -30,6 +30,8 @@
 #define CL_HPP_MINIMUM_OPENCL_VERSION 120
 #define CL_HPP_TARGET_OPENCL_VERSION  120
 #define CL_HPP_ENABLE_EXCEPTIONS
+#define SPLA_OPENCL_PLATFORM "SPLA_OPENCL_PLATFORM"
+#define SPLA_OPENCL_DEVICE   "SPLA_OPENCL_DEVICE"
 #include <CL/opencl.hpp>
 
 #include <algorithm>
@@ -415,7 +417,11 @@ TEST(opencl_merge, merge_path_v1) {
     if (platforms.empty()) {
         GTEST_SKIP() << "No platforms found";
     }
-    cl::Platform platform = platforms.back();
+
+    const char* spla_opencl_platform = std::getenv(SPLA_OPENCL_PLATFORM);
+    int         platform_index       = (spla_opencl_platform ? std::atoi(spla_opencl_platform) : 0);
+
+    cl::Platform platform = platforms[platform_index];
 
     std::cout << "Platforms: " << std::endl;
     for (auto& it : platforms) {
@@ -429,7 +435,10 @@ TEST(opencl_merge, merge_path_v1) {
     if (devices.empty()) {
         GTEST_SKIP() << "No devices found";
     }
-    cl::Device device = devices[0];
+
+    const char* spla_opencl_device = std::getenv(SPLA_OPENCL_DEVICE);
+    int         device_index       = (spla_opencl_device ? std::atoi(spla_opencl_device) : 0);
+    cl::Device  device             = devices[device_index];
 
     std::cout << "Devices: " << std::endl;
     for (auto& it : devices) {
@@ -511,7 +520,11 @@ TEST(opencl_merge, merge_path_v2) {
     if (platforms.empty()) {
         GTEST_SKIP() << "No platforms found";
     }
-    cl::Platform platform = platforms.back();
+
+    const char* spla_opencl_platform = std::getenv(SPLA_OPENCL_PLATFORM);
+    int         platform_index       = (spla_opencl_platform ? std::atoi(spla_opencl_platform) : 0);
+
+    cl::Platform platform = platforms[platform_index];
 
     std::cout << "Platforms: " << std::endl;
     for (auto& it : platforms) {
@@ -525,7 +538,10 @@ TEST(opencl_merge, merge_path_v2) {
     if (devices.empty()) {
         GTEST_SKIP() << "No devices found";
     }
-    cl::Device device = devices[0];
+
+    const char* spla_opencl_device = std::getenv(SPLA_OPENCL_DEVICE);
+    int         device_index       = (spla_opencl_device ? std::atoi(spla_opencl_device) : 0);
+    cl::Device  device             = devices[device_index];
 
     std::cout << "Devices: " << std::endl;
     for (auto& it : devices) {
diff --git a/tests/test_schedule.cpp b/tests/test_schedule.cpp
index 15d9b7f63..cb978910f 100644
--- a/tests/test_schedule.cpp
+++ b/tests/test_schedule.cpp
@@ -37,4 +37,4 @@ TEST(schedule, task_callback) {
     schedule->submit();
 }
 
-SPLA_GTEST_MAIN_WITH_FINALIZE
\ No newline at end of file
+SPLA_GTEST_MAIN_WITH_FINALIZE
diff --git a/tests/test_vector.cpp b/tests/test_vector.cpp
index 22763c5a2..4bd310b43 100644
--- a/tests/test_vector.cpp
+++ b/tests/test_vector.cpp
@@ -497,4 +497,4 @@ TEST(vector, map) {
     }
 }
 
-SPLA_GTEST_MAIN_WITH_FINALIZE_PLATFORM(1)
+SPLA_GTEST_MAIN
diff --git a/tests/test_vxm.cpp b/tests/test_vxm.cpp
index 14394b55c..615aa8c30 100644
--- a/tests/test_vxm.cpp
+++ b/tests/test_vxm.cpp
@@ -186,4 +186,4 @@ TEST(vxm_masked, perf_and_or) {
     std::cout << std::endl;
 }
 
-SPLA_GTEST_MAIN_WITH_FINALIZE_PLATFORM(1)
\ No newline at end of file
+SPLA_GTEST_MAIN