diff --git a/eng/pipelines/coreclr/perf.yml b/eng/pipelines/coreclr/perf.yml
index e9f00c90fa3c96ceb0e90138870a361345fc6b8d..e125f17c36f354f6826d0e664db2f0d4aaec9692 100644
--- a/eng/pipelines/coreclr/perf.yml
+++ b/eng/pipelines/coreclr/perf.yml
@@ -42,6 +42,7 @@ jobs:
       buildConfig: release
       platforms:
       - Linux_arm64
+      - Linux_x64
 
   # build coreclr and libraries
   - template: /eng/pipelines/common/platform-matrix.yml
@@ -50,6 +51,7 @@ jobs:
       buildConfig: release
       platforms:
       - Linux_arm64
+      - Linux_x64
       jobParameters:
         testGroup: perf
 
@@ -71,6 +73,46 @@ jobs:
         runJobTemplate: /eng/pipelines/coreclr/templates/run-performance-job.yml
         logicalmachine: 'perfa64'
 
+  # build mono on wasm
+  - template: /eng/pipelines/common/platform-matrix.yml
+    parameters:
+      jobTemplate: /eng/pipelines/common/global-build-job.yml
+      buildConfig: release
+      runtimeFlavor: mono
+      platforms:
+      - Browser_wasm
+      jobParameters:
+        buildArgs: -s mono+libs+host+packs -c $(_BuildConfig)
+        nameSuffix: wasm
+        isOfficialBuild: false
+        extraStepsTemplate: /eng/pipelines/common/upload-artifact-step.yml
+        extraStepsParameters:
+          rootFolder: '$(Build.SourcesDirectory)/artifacts/'
+          includeRootFolder: true
+          displayName: Browser Wasm Artifacts
+          artifactName: BrowserWasm
+          archiveType: zip
+          archiveExtension: .zip
+
+  #run mono wasm microbenchmarks perf job
+  - template: /eng/pipelines/common/platform-matrix.yml
+    parameters:
+      jobTemplate: /eng/pipelines/coreclr/templates/perf-job.yml # NOTE: should we move this file out of coreclr tempelates because it contains mono jobs?
+      buildConfig: release
+      runtimeFlavor: wasm
+      platforms:
+      - Linux_x64
+      jobParameters:
+        testGroup: perf
+        liveLibrariesBuildConfig: Release
+        runtimeType: wasm
+        codeGenType: 'wasm'
+        projectFile: microbenchmarks.proj
+        runKind: micro
+        runJobTemplate: /eng/pipelines/coreclr/templates/run-performance-job.yml
+        logicalmachine: 'perftiger'
+        javascriptEngine: 'javascriptcore'
+
 - ${{ if and(ne(variables['System.TeamProject'], 'public'), notin(variables['Build.Reason'], 'Schedule')) }}:
 
   # build coreclr and libraries
@@ -235,7 +277,7 @@ jobs:
         runJobTemplate: /eng/pipelines/coreclr/templates/run-performance-job.yml
         logicalmachine: 'perftiger'
 
-  #run mono wasm microbenchmarks perf job
+  # run mono wasm microbenchmarks perf job
   - template: /eng/pipelines/common/platform-matrix.yml
     parameters:
       jobTemplate: /eng/pipelines/coreclr/templates/perf-job.yml # NOTE: should we move this file out of coreclr tempelates because it contains mono jobs?
@@ -252,6 +294,7 @@ jobs:
         runKind: micro
         runJobTemplate: /eng/pipelines/coreclr/templates/run-performance-job.yml
         logicalmachine: 'perftiger'
+        javascriptEngine: 'v8'
 
   # run mono aot microbenchmarks perf job
   - template: /eng/pipelines/common/platform-matrix.yml
diff --git a/eng/pipelines/coreclr/templates/perf-job.yml b/eng/pipelines/coreclr/templates/perf-job.yml
index 671d9d92465f29460caa0fcea9167d2e47f2430d..5347d8578b550026ee31d3f8f0ea6101bcecbde4 100644
--- a/eng/pipelines/coreclr/templates/perf-job.yml
+++ b/eng/pipelines/coreclr/templates/perf-job.yml
@@ -17,6 +17,7 @@ parameters:
   additionalSetupParameters: ''
   logicalMachine: ''
   pgoRunType: ''
+  javascriptEngine: 'NoJS'
 
 ### Perf job
 
@@ -27,8 +28,8 @@ jobs:
 - template: ${{ parameters.runJobTemplate }}
   parameters:
     # Compute job name from template parameters
-    jobName: ${{ format('perfbuild_{0}{1}_{2}_{3}_{4}_{5}_{6}_{7}_{8}', parameters.osGroup, parameters.osSubgroup, parameters.archType, parameters.buildConfig, parameters.runtimeType, parameters.codeGenType, parameters.runKind, parameters.logicalMachine, parameters.pgoRunType) }}
-    displayName: ${{ format('Performance {0}{1} {2} {3} {4} {5} {6} {7} {8}', parameters.osGroup, parameters.osSubgroup, parameters.archType, parameters.buildConfig, parameters.runtimeType, parameters.codeGenType, parameters.runKind, parameters.logicalMachine, parameters.pgoRunType) }}
+    jobName: ${{ format('perfbuild_{0}{1}_{2}_{3}_{4}_{5}_{6}_{7}_{8}_{9}', parameters.osGroup, parameters.osSubgroup, parameters.archType, parameters.buildConfig, parameters.runtimeType, parameters.codeGenType, parameters.runKind, parameters.logicalMachine, parameters.javascriptEngine, parameters.pgoRunType) }}
+    displayName: ${{ format('Performance {0}{1} {2} {3} {4} {5} {6} {7} {8} {9}', parameters.osGroup, parameters.osSubgroup, parameters.archType, parameters.buildConfig, parameters.runtimeType, parameters.codeGenType, parameters.runKind, parameters.logicalMachine, parameters.javascriptEngine, parameters.pgoRunType) }}
     pool: ${{ parameters.pool }}
     buildConfig: ${{ parameters.buildConfig }}
     archType: ${{ parameters.archType }}
@@ -44,6 +45,7 @@ jobs:
     container: ${{ parameters.container }}
     logicalmachine: ${{ parameters.logicalmachine }}
     pgoRunType: ${{ parameters.pgoRunType }}
+    javascriptEngine: ${{ parameters.javascriptEngine }}
     # Test job depends on the corresponding build job
     dependsOn:
     - ${{ if ne(parameters.runtimeType, 'AndroidMono')}}:
@@ -68,7 +70,7 @@ jobs:
       ${{ if and(eq(parameters.runtimeType, 'mono'), ne(parameters.codeGenType, 'AOT')) }}:
         extraSetupParameters: --architecture ${{ parameters.archType }} --monodotnet $(Build.SourcesDirectory)/.dotnet-mono
       ${{ if eq(parameters.runtimeType, 'wasm') }}:
-        extraSetupParameters: --architecture ${{ parameters.archType }} --wasm $(librariesDownloadDir)/bin/wasm
+        extraSetupParameters: --architecture ${{ parameters.archType }} --wasm $(librariesDownloadDir)/bin/wasm --javascriptengine ${{ parameters.javascriptEngine }}
       ${{ if eq(parameters.codeGenType, 'AOT') }}:
         extraSetupParameters: --architecture ${{ parameters.archType }} --monoaot $(librariesDownloadDir)/bin/aot
       ${{ if and(eq(parameters.runtimeType, 'coreclr'), ne(parameters.osSubGroup, '_musl')) }}:
diff --git a/eng/pipelines/coreclr/templates/run-performance-job.yml b/eng/pipelines/coreclr/templates/run-performance-job.yml
index 12a8ea6e1f17a4c10bda04baff20edda2b42cb72..87832c2e9ec1006d0050e0f88b96cc180343e93f 100644
--- a/eng/pipelines/coreclr/templates/run-performance-job.yml
+++ b/eng/pipelines/coreclr/templates/run-performance-job.yml
@@ -22,6 +22,8 @@ parameters:
   projectFile: 'microbenchmarks.proj'   # optional -- project file to build helix workitems
   runKind: ''                     # required -- test category
   logicalMachine: ''              # required -- Used to specify a which pool of machines the test should run against
+  javascriptEngine: 'NoJS'
+  
 jobs:
 - template: xplat-pipeline-job.yml
   parameters:
@@ -54,7 +56,7 @@ jobs:
     - IsInternal: ''
     - HelixApiAccessToken: ''
     - HelixPreCommandStemWindows: 'py -m pip install -U pip;py -3 -m venv %HELIX_WORKITEM_PAYLOAD%\.venv;call %HELIX_WORKITEM_PAYLOAD%\.venv\Scripts\activate.bat;set PYTHONPATH=;py -3 -m pip install -U pip;py -3 -m pip install azure.storage.blob==12.0.0;py -3 -m pip install azure.storage.queue==12.0.0;set "PERFLAB_UPLOAD_TOKEN=$(PerfCommandUploadToken)"'
-    - HelixPreCommandStemLinux: 'python3 -m pip install -U pip;sudo apt-get -y install python3-venv;python3 -m venv $HELIX_WORKITEM_PAYLOAD/.venv;source $HELIX_WORKITEM_PAYLOAD/.venv/Scripts/activate;export PYTHONPATH=;python3 -m pip install -U pip;pip3 install azure.storage.blob==12.0.0;pip3 install azure.storage.queue==12.0.0;sudo apt-get update;sudo apt -y install curl dirmngr apt-transport-https lsb-release ca-certificates;curl -sL https://deb.nodesource.com/setup_12.x | sudo -E bash -;sudo apt-get -y install nodejs;sudo apt-get -y install npm;npm install --prefix $HELIX_WORKITEM_PAYLOAD jsvu -g;$HELIX_WORKITEM_PAYLOAD/bin/jsvu --os=linux64 --engines=v8;export PERFLAB_UPLOAD_TOKEN="$(PerfCommandUploadTokenLinux)"'
+    - HelixPreCommandStemLinux: 'python3 -m pip install -U pip;sudo apt-get -y install python3-venv;python3 -m venv $HELIX_WORKITEM_PAYLOAD/.venv;source $HELIX_WORKITEM_PAYLOAD/.venv/Scripts/activate;export PYTHONPATH=;python3 -m pip install -U pip;pip3 install azure.storage.blob==12.0.0;pip3 install azure.storage.queue==12.0.0;sudo apt-get update;sudo apt -y install curl dirmngr apt-transport-https lsb-release ca-certificates;curl -sL https://deb.nodesource.com/setup_12.x | sudo -E bash -;sudo apt-get -y install nodejs;sudo apt-get -y install npm;npm install --prefix $HELIX_WORKITEM_PAYLOAD jsvu -g;$HELIX_WORKITEM_PAYLOAD/bin/jsvu --os=linux64 --engines=v8,javascriptcore;export PERFLAB_UPLOAD_TOKEN="$(PerfCommandUploadTokenLinux)"'
     - HelixPreCommandStemMsul: 'sudo apk add icu-libs krb5-libs libgcc libintl libssl1.1 libstdc++ zlib;sudo apk add cargo --repository http://sjc.edge.kernel.org/alpine/edge/community ;sudo apk add libgdiplus --repository http://dl-cdn.alpinelinux.org/alpine/edge/testing; python3 -m venv $HELIX_WORKITEM_PAYLOAD/.venv;source $HELIX_WORKITEM_PAYLOAD/.venv/bin/activate;export PYTHONPATH=;python3 -m pip install -U pip;pip3 install azure.storage.blob==12.7.1;pip3 install azure.storage.queue==12.1.5;export PERFLAB_UPLOAD_TOKEN="$(PerfCommandUploadTokenLinux)"'
     - ExtraMSBuildLogsWindows: 'set MSBUILDDEBUGCOMM=1;set "MSBUILDDEBUGPATH=%HELIX_WORKITEM_UPLOAD_ROOT%"'
     - ExtraMSBuildLogsLinux: 'export MSBUILDDEBUGCOMM=1;export "MSBUILDDEBUGPATH=$HELIX_WORKITEM_UPLOAD_ROOT"'
@@ -79,7 +81,7 @@ jobs:
       - ${{ if eq( parameters.osGroup, 'windows') }}:
         - HelixPreCommand: $(ExtraMSBuildLogsWindows)
       - ${{ if ne(parameters.osGroup, 'windows') }}:
-          - HelixPreCommand: $(ExtraMSBuildLogsLinux);npm install --prefix $HELIX_WORKITEM_PAYLOAD jsvu -g;$HELIX_WORKITEM_PAYLOAD/bin/jsvu --os=linux64 --engines=v8
+          - HelixPreCommand: $(ExtraMSBuildLogsLinux);npm install --prefix $HELIX_WORKITEM_PAYLOAD jsvu -g;$HELIX_WORKITEM_PAYLOAD/bin/jsvu --os=linux64 --engines=v8,javascriptcore
     
 
     - ${{ if and(eq(parameters.codeGenType, 'Interpreter'), eq(parameters.runtimeType, 'mono')) }}:
@@ -140,6 +142,6 @@ jobs:
       displayName: Publish Logs
       inputs:
         targetPath: $(Build.SourcesDirectory)/artifacts/log
-        artifactName: 'Performance_Run_$(osGroup)$(osSubgroup)_$(archType)_$(buildConfig)_${{ parameters.runtimeType }}_${{ parameters.codeGenType }}_${{ parameters.runKind }}_${{ parameters.logicalMachine }}_${{ parameters.pgoRunType }}'
+        artifactName: 'Performance_Run_$(osGroup)$(osSubgroup)_$(archType)_$(buildConfig)_${{ parameters.runtimeType }}_${{ parameters.codeGenType }}_${{ parameters.runKind }}_${{ parameters.logicalMachine }}_${{ parameters.javascriptEngine }}_${{ parameters.pgoRunType }}'
       continueOnError: true
       condition: always()
diff --git a/eng/testing/performance/performance-setup.sh b/eng/testing/performance/performance-setup.sh
index 22e53827a49e9ce29215f3189188bfbb0abcbc8d..671c627a0f6cfad434ffeb83f75c3b75614a9ebb 100755
--- a/eng/testing/performance/performance-setup.sh
+++ b/eng/testing/performance/performance-setup.sh
@@ -29,6 +29,7 @@ wasm_runtime_loc=
 using_wasm=false
 use_latest_dotnet=false
 logical_machine=
+javascript_engine="v8"
 
 while (($# > 0)); do
   lowerI="$(echo $1 | tr "[:upper:]" "[:lower:]")"
@@ -77,6 +78,10 @@ while (($# > 0)); do
       build_number=$2
       shift 2
       ;;
+    --javascriptengine)
+      javascript_engine=$2
+      shift 2
+      ;;
     --kind)
       kind=$2
       configurations="CompilationMode=$compilation_mode RunKind=$kind"
@@ -224,6 +229,9 @@ fi
 
 if [[ "$wasm_runtime_loc" != "" ]]; then
     configurations="CompilationMode=wasm RunKind=$kind"
+    if [[ "$javascript_engine" == "javascriptcore" ]]; then
+      configurations="$configurations JSEngine=javascriptcore"
+    fi
     extra_benchmark_dotnet_arguments="$extra_benchmark_dotnet_arguments --category-exclusion-filter NoInterpreter NoWASM NoMono"
 fi
 
@@ -256,7 +264,7 @@ if [[ "$wasm_runtime_loc" != "" ]]; then
     using_wasm=true
     wasm_dotnet_path=$payload_directory/dotnet-wasm
     mv $wasm_runtime_loc $wasm_dotnet_path
-    extra_benchmark_dotnet_arguments="$extra_benchmark_dotnet_arguments --wasmMainJS \$HELIX_CORRELATION_PAYLOAD/dotnet-wasm/runtime-test.js --wasmEngine /home/helixbot/.jsvu/v8 --customRuntimePack \$HELIX_CORRELATION_PAYLOAD/dotnet-wasm"
+    extra_benchmark_dotnet_arguments="$extra_benchmark_dotnet_arguments --wasmMainJS \$HELIX_CORRELATION_PAYLOAD/dotnet-wasm/runtime-test.js --wasmEngine /home/helixbot/.jsvu/$javascript_engine --customRuntimePack \$HELIX_CORRELATION_PAYLOAD/dotnet-wasm"
 fi
 
 if [[ "$mono_dotnet" != "" ]] && [[ "$monoaot" == "false" ]]; then