diff --git a/.circleci/config.yml b/.circleci/config.yml
index bbbbb9470..6998cca66 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -100,6 +100,14 @@ commands:
           ctest $CTEST_FLAGS -LE "acceptance|per_implementation" # Everything we haven't run yet, run now.
 
 
+  cmake_perftest:
+    steps:
+      - cmake_build_cache
+      - run: |
+          cmake --build  build --target checkperf &&
+          cd build && 
+          ctest --output-on-failure -R checkperf 
+
   # we not only want cmake to build and run tests, but we want also a successful installation from which we can build, link and run programs
   cmake_install_test: # this version builds, install, test and then verify from the installation
     steps:
@@ -118,11 +126,16 @@ jobs:
     executor: gcc10
     environment: { CMAKE_FLAGS: -DSIMDJSON_JUST_LIBRARY=ON }
     steps: [ cmake_build, cmake_install_test, cmake_installed_test_cxx20 ]
+  gcc10-perftest:
+    description: Build and run performance tests on GCC 10 and AVX 2 with a cmake static build, this test performance regression
+    executor: gcc10
+    environment: { CMAKE_FLAGS: -DSIMDJSON_GOOGLE_BENCHMARKS=OFF -DSIMDJSON_BUILD_STATIC=ON }
+    steps: [ cmake_perftest ]
   gcc10:
-    description: Build and run tests on GCC 10 and AVX 2 with a cmake static build, this test performance regression
+    description: Build and run tests on GCC 10 and AVX 2 with a cmake static build
     executor: gcc10
     environment: { CMAKE_FLAGS: -DSIMDJSON_GOOGLE_BENCHMARKS=ON -DSIMDJSON_BUILD_STATIC=ON }
-    steps: [ cmake_test_all, cmake_install_test, cmake_installed_test_cxx20 ]
+    steps: [ cmake_test, cmake_install_test, cmake_installed_test_cxx20 ]
   clang6:
     description: Build and run tests on clang 6 and AVX 2 with a cmake static build
     executor: clang6
diff --git a/.github/workflows/ubuntu18-checkperf.yml b/.github/workflows/ubuntu18-checkperf.yml
new file mode 100644
index 000000000..83fe2918d
--- /dev/null
+++ b/.github/workflows/ubuntu18-checkperf.yml
@@ -0,0 +1,21 @@
+name: Performance check on Ubuntu 18.04 CI (GCC 7)
+
+on: [push, pull_request]
+
+jobs:
+  ubuntu-build:
+    runs-on: ubuntu-18.04
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup cmake
+        uses: jwlawson/actions-setup-cmake@v1.0
+        with:
+          cmake-version: '3.9.x'
+      - name: Use cmake
+        run: |
+          mkdir build &&
+          cd build &&
+          cmake  -DSIMDJSON_GOOGLE_BENCHMARKS=ON -DSIMDJSON_BUILD_STATIC=ON -DCMAKE_INSTALL_PREFIX:PATH=destination ..  &&
+          cmake --build . --target checkperf  &&
+          ctest --output-on-failure -R checkperf  ubuntu18-checkperf.yml
+
diff --git a/.github/workflows/ubuntu18.yml b/.github/workflows/ubuntu18.yml
index ed0329136..44cedfc05 100644
--- a/.github/workflows/ubuntu18.yml
+++ b/.github/workflows/ubuntu18.yml
@@ -17,6 +17,6 @@ jobs:
           cd build &&
           cmake  -DSIMDJSON_GOOGLE_BENCHMARKS=ON -DSIMDJSON_BUILD_STATIC=ON -DCMAKE_INSTALL_PREFIX:PATH=destination ..  &&
           cmake --build .   &&
-          ctest -j --output-on-failure  &&
+          ctest -j --output-on-failure -E checkperf   &&
           make install  &&
           echo -e '#include <simdjson.h>\nint main(int argc,char**argv) {simdjson::dom::parser parser;simdjson::dom::element tweets = parser.load(argv[1]); }' > tmp.cpp && c++ -Idestination/include -Ldestination/lib -std=c++17 -Wl,-rpath,destination/lib -o linkandrun tmp.cpp -lsimdjson && ./linkandrun jsonexamples/twitter.json
diff --git a/.github/workflows/ubuntu20-checkperf.yml b/.github/workflows/ubuntu20-checkperf.yml
new file mode 100644
index 000000000..86e99b67a
--- /dev/null
+++ b/.github/workflows/ubuntu20-checkperf.yml
@@ -0,0 +1,20 @@
+name: Performance check on Ubuntu 20.04 CI (GCC 9)
+
+on: [push, pull_request]
+
+jobs:
+  ubuntu-build:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup cmake
+        uses: jwlawson/actions-setup-cmake@v1.0
+        with:
+          cmake-version: '3.9.x'
+      - name: Use cmake
+        run: |
+          mkdir build &&
+          cd build &&
+          cmake  -DSIMDJSON_GOOGLE_BENCHMARKS=ON -DSIMDJSON_BUILD_STATIC=ON -DCMAKE_INSTALL_PREFIX:PATH=destination ..  &&
+          cmake --build . --target checkperf  &&
+          ctest --output-on-failure -R checkperf 
diff --git a/.github/workflows/ubuntu20.yml b/.github/workflows/ubuntu20.yml
index 271eb9350..adbddd825 100644
--- a/.github/workflows/ubuntu20.yml
+++ b/.github/workflows/ubuntu20.yml
@@ -17,6 +17,6 @@ jobs:
           cd build &&
           cmake  -DSIMDJSON_GOOGLE_BENCHMARKS=ON -DSIMDJSON_BUILD_STATIC=ON -DCMAKE_INSTALL_PREFIX:PATH=destination ..  &&
           cmake --build .   &&
-          ctest -j --output-on-failure  &&
+          ctest -j --output-on-failure -E checkperf   &&
           make install  &&
           echo -e '#include <simdjson.h>\nint main(int argc,char**argv) {simdjson::dom::parser parser;simdjson::dom::element tweets = parser.load(argv[1]); }' > tmp.cpp && c++ -Idestination/include -Ldestination/lib -std=c++17 -Wl,-rpath,destination/lib -o linkandrun tmp.cpp -lsimdjson && ./linkandrun jsonexamples/twitter.json