diff --git a/.github/workflows/cmake-multi-platform.yml b/.github/workflows/cmake-multi-platform.yml
new file mode 100644
index 0000000..c3de66c
--- /dev/null
+++ b/.github/workflows/cmake-multi-platform.yml
@@ -0,0 +1,74 @@
+# This starter workflow is for a CMake project running on multiple platforms. There is a different starter workflow if you just want a single platform.
+# See: https://github.com/actions/starter-workflows/blob/main/ci/cmake-single-platform.yml
+name: CMake on multiple platforms
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      # Set fail-fast to false to ensure that feedback is delivered for all matrix combinations. Consider changing this to true when your workflow is stable.
+      fail-fast: false
+
+      # Set up a matrix to run the following 3 configurations:
+      # 1. <Windows, Release, latest MSVC compiler toolchain on the default runner image, default generator>
+      # 2. <Linux, Release, latest GCC compiler toolchain on the default runner image, default generator>
+      # 3. <Linux, Release, latest Clang compiler toolchain on the default runner image, default generator>
+      #
+      # To add more build types (Release, Debug, RelWithDebInfo, etc.) customize the build_type list.
+      matrix:
+        build_type: [Release]
+        os: [ubuntu-latest]
+        c_compiler: [gcc, clang]
+        include:
+          - os: ubuntu-latest
+            c_compiler: gcc
+            cpp_compiler: g++
+          - os: ubuntu-latest
+            c_compiler: clang
+            cpp_compiler: clang++
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set reusable strings
+      # Turn repeated input strings (such as the build output directory) into step outputs. These step outputs can be used throughout the workflow file.
+      id: strings
+      shell: bash
+      run: |
+        echo "build-output-dir=${{ github.workspace }}/build" >> "$GITHUB_OUTPUT"
+
+    - name: Configure CMake
+      # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
+      # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
+      run: >
+        cmake -B ${{ steps.strings.outputs.build-output-dir }}
+        -DCMAKE_CXX_COMPILER=${{ matrix.cpp_compiler }}
+        -DCMAKE_C_COMPILER=${{ matrix.c_compiler }}
+        -DCMAKE_BUILD_TYPE=${{ matrix.build_type }}
+        -DENABLE_AVX2=ON
+        -S ${{ github.workspace }}
+
+    - name: Build
+      # Build your program with the given configuration. Note that --config is needed because the default Windows generator is a multi-config generator (Visual Studio generator).
+      run: cmake --build ${{ steps.strings.outputs.build-output-dir }} --config ${{ matrix.build_type }}
+
+    - name: Test
+      working-directory: ${{ steps.strings.outputs.build-output-dir }}
+      # Execute tests defined by the CMake configuration. Note that --build-config is needed because the default Windows generator is a multi-config generator (Visual Studio generator).
+      # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
+      run: ctest --build-config ${{ matrix.build_type }}
+    - name: Upload a Build Artifact
+      uses: actions/upload-artifact@v4.6.2
+      with:
+        name: sac
+        path: ./build/
+        if-no-files-found: warn
+        overwrite: true
+        include-hidden-files: false
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..c96e2e7
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,41 @@
+cmake_minimum_required(VERSION 3.14)
+project(sac LANGUAGES CXX)
+
+set(CMAKE_CXX_STANDARD 23)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
+
+file(GLOB_RECURSE SOURCES CONFIGURE_DEPENDS src/*.cpp)
+
+add_executable(sac ${SOURCES})
+
+option(ENABLE_AVX2 "AVX2/FMA" OFF)
+option(ENABLE_AVX512 "AVX512" OFF)
+
+if(ENABLE_AVX512)
+    target_compile_options(sac PRIVATE
+        -mavx512f
+        -mavx512dq
+        -mavx512bw
+        -mavx512vl
+        -mfma
+        -O3
+    )
+    target_compile_definitions(sac PRIVATE USE_AVX512=1)
+elseif(ENABLE_AVX2)
+    target_compile_options(sac PRIVATE
+        -mavx2
+        -mfma
+        -O3
+    )
+    target_compile_definitions(sac PRIVATE USE_AVX256=1)
+else()
+    target_compile_options(sac PRIVATE
+        -O3
+    )
+    target_compile_definitions(sac PRIVATE)
+endif()
+
+target_link_libraries(sac PRIVATE stdc++)
+
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
diff --git a/src/common/alignbuf.h b/src/common/alignbuf.h
index df0a85c..a5cb601 100644
--- a/src/common/alignbuf.h
+++ b/src/common/alignbuf.h
@@ -23,7 +23,7 @@ struct align_alloc {
     }
 
     void deallocate(T* p, std::size_t n) noexcept {
-        ::operator delete(p, n * sizeof(T), std::align_val_t(align_t));
+        ::operator delete(p, std::align_val_t(align_t));
     }
 };
 
diff --git a/src/common/md5.h b/src/common/md5.h
index f61d72e..40a73ea 100644
--- a/src/common/md5.h
+++ b/src/common/md5.h
@@ -1,6 +1,7 @@
 #ifndef MD5_H
 #define MD5_H
 
+#include <cstddef>
 #include <cstdint>
 
 namespace MD5 {
diff --git a/src/common/utils.h b/src/common/utils.h
index 6d42b9d..76d5a37 100644
--- a/src/common/utils.h
+++ b/src/common/utils.h
@@ -5,10 +5,11 @@
 #include "math.h"
 
 #include <algorithm>
-#include <numeric>
 #include <cstring>
 #include <cmath>
+#include <cstdint>
 #include <immintrin.h>
+#include <numeric>
 
 // running exponential smoothing
 // sum=alpha*sum+(1.0-alpha)*val, where 1/(1-alpha) is the mean number of samples considered