From 837b1f4f9e173b11ce830cfdf0561542bc050bac Mon Sep 17 00:00:00 2001
From: Jose Corella <jocorell@amazon.com>
Date: Tue, 13 Jan 2026 12:39:08 -0800
Subject: [PATCH 1/9] chore: upload performance benchmarks to cloudwatch

---
 .github/workflows/ci_test_java.yml            |   1 +
 .../workflows/performance-benchmarks-go.yml   | 144 ++++++++++++++++++
 .github/workflows/performance-benchmarks.yml  |  32 ++++
 3 files changed, 177 insertions(+)
 create mode 100644 .github/workflows/performance-benchmarks-go.yml
 create mode 100644 .github/workflows/performance-benchmarks.yml

diff --git a/.github/workflows/ci_test_java.yml b/.github/workflows/ci_test_java.yml
index e48506bdc..ba04cba39 100644
--- a/.github/workflows/ci_test_java.yml
+++ b/.github/workflows/ci_test_java.yml
@@ -45,6 +45,7 @@ jobs:
 
       - uses: actions/checkout@v5
         with:
+          ref: benchmark
           submodules: recursive
 
       - name: Setup Dafny
diff --git a/.github/workflows/performance-benchmarks-go.yml b/.github/workflows/performance-benchmarks-go.yml
new file mode 100644
index 000000000..8920f26cd
--- /dev/null
+++ b/.github/workflows/performance-benchmarks-go.yml
@@ -0,0 +1,144 @@
+# This workflow performs benchmark testing in Go.
+name: Performance Benchmarks Go
+
+on:
+  workflow_call:
+    inputs:
+      dafny:
+        description: "The Dafny version to run"
+        required: true
+        type: string
+      regenerate-code:
+        description: "Regenerate code using smithy-dafny"
+        required: false
+        default: false
+        type: boolean
+      mpl-version:
+        description: "MPL version to use"
+        required: false
+        type: string
+      mpl-head:
+        description: "Running on MPL HEAD"
+        required: false
+        default: false
+        type: boolean
+jobs:
+  testGo:
+    strategy:
+      fail-fast: false
+      matrix:
+        library: [DynamoDbEncryption]
+        os: [ubuntu-22.04, macos-15-intel]
+        go-version: ["1.23", "1.24", "1.25"]
+    runs-on: ${{ matrix.os }}
+    permissions:
+      id-token: write
+      contents: read
+    steps:
+      - name: Configure AWS Credentials
+        uses: aws-actions/configure-aws-credentials@v5
+        with:
+          aws-region: us-west-2
+          role-to-assume: arn:aws:iam::370957321024:role/GitHub-CI-DDBEC-Dafny-Role-us-west-2
+          role-session-name: DDBEC-Performance-Benchmarks-Go
+
+      - name: Support longpaths
+        run: |
+          git config --global core.longpaths true
+
+      - uses: actions/checkout@v5
+        with:
+          submodules: recursive
+      
+      - name: Create temporary global.json
+        run: echo '{"sdk":{"rollForward":"latestFeature","version":"6.0.0"}}' > ./global.json
+
+      - name: Setup Java 17 for codegen
+        uses: actions/setup-java@v5
+        with:
+          distribution: "corretto"
+          java-version: "17"
+
+      - name: Update MPL submodule if using MPL HEAD
+        if: ${{ inputs.mpl-head == true }}
+        working-directory: submodules/MaterialProviders
+        run: |
+          git checkout main
+          git pull
+          git submodule update --init --recursive
+          git rev-parse HEAD
+
+      - name: Update project.properties if using MPL HEAD
+        if: ${{ inputs.mpl-head == true }}
+        run: |
+          sed "s/mplDependencyJavaVersion=.*/mplDependencyJavaVersion=${{inputs.mpl-version}}/g" project.properties > project.properties2; mv project.properties2 project.properties
+
+      - name: Install Go
+        uses: actions/setup-go@v6
+        with:
+          go-version: ${{ matrix.go-version }}
+
+      - uses: actions/checkout@v5
+      - name: Init Submodules
+        shell: bash
+        run: |
+          git submodule update --init --recursive submodules/smithy-dafny
+          git submodule update --init --recursive submodules/MaterialProviders
+
+      - name: Install Smithy-Dafny codegen dependencies
+        uses: ./.github/actions/install_smithy_dafny_codegen_dependencies
+
+      - name: Build ${{ matrix.library }} implementation
+        shell: bash
+        working-directory: ./${{ matrix.library }}
+        run: |
+          # This works because `node` is installed by default on GHA runners
+          CORES=$(node -e 'console.log(os.cpus().length)')
+          make transpile_go CORES=$CORES
+      
+      - name: Run Performance Benchmarks - Quick Mode
+        shell: bash
+        working-directory: ./db-esdk-performance-testing/benchmarks/go
+        run: |
+            go run . --config ../../config/test-scenarios.yaml --quick
+
+      - name: Parse and Format Logs
+        working-directory: ./db-esdk-performance-testing/benchmarks/results/raw-data/
+        run: |
+          LOG_FILE="go_results.json"
+          UPLOAD_FILE="go_filtered_logs.json"
+          TIMESTAMP=$(date +%s%3N)
+          jq -Rs --arg ts "$TIMESTAMP" '
+            [
+              split("\n") | .[] |
+              select(startswith("TestEncrypts")) |
+              split(" ") | map(select(. != "")) as $parts |
+              {
+                timestamp: ($ts | tonumber),
+                message: ({
+                  testName: $parts[0],
+                  os: $parts[1],
+                  language: $parts[2],
+                  clockTime: ($parts[3] | tonumber),
+                  cpuTime: ($parts[4] | tonumber)
+                } | tostring)
+              }
+            ]
+          ' $LOG_FILE > $UPLOAD_FILE
+
+      - name: Upload logs to CloudWatch
+        working-directory: ./db-esdk-performance-testing/benchmarks/results/raw-data/
+        run: |
+          LOG_FILE="go_filtered_logs.json"
+          LOG_GROUP="aws-dbesdk-performance-benchmarks"
+          LOG_STREAM="go/quick_benchmarks/${{ github.workflow }}/${{ github.run_id }}"
+
+          # Create log stream (ignore if exists)
+          aws logs create-log-stream \
+            --log-group-name "$LOG_GROUP" \
+            --log-stream-name "$LOG_STREAM" 2>/dev/null || true
+
+          aws logs put-log-events \
+            --log-group-name "$LOG_GROUP" \
+            --log-stream-name "$LOG_STREAM" \
+            --log-events file://$LOG_FILE
\ No newline at end of file
diff --git a/.github/workflows/performance-benchmarks.yml b/.github/workflows/performance-benchmarks.yml
new file mode 100644
index 000000000..157ad1d9e
--- /dev/null
+++ b/.github/workflows/performance-benchmarks.yml
@@ -0,0 +1,32 @@
+# This workflow runs every day 09:00 UTC (1AM PST)
+name: Performance Benchmarks
+
+on:
+  pull_request:
+    paths:
+      - ".github/workflows/performance-benchmarks.yml"
+  schedule:
+    - cron: "00 09 * * *"
+
+jobs:
+  getVersion:
+    # Don't run the cron builds on forks
+    if: github.event_name != 'schedule' || github.repository_owner == 'aws'
+    uses: ./.github/workflows/dafny_version.yml
+  performance-benchmarks-go:
+    needs: getVersion
+    uses: ./.github/workflows/performance-benchmarks-go.yml
+    with:
+      dafny: ${{needs.getVersion.outputs.version}}
+  notify:
+    needs:
+      [
+        getVersion,
+        performance-benchmarks-go
+      ]
+    if: ${{ failure() }}
+    uses: aws/aws-cryptographic-material-providers-library/.github/workflows/slack-notification.yml@main
+    with:
+      message: "Performance Benchmarks failed on `${{ github.repository }}`. View run: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}"
+    secrets:
+      SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL_CI }}

From 65440198756dd82f325383899ac79728ce2268f1 Mon Sep 17 00:00:00 2001
From: Jose Corella <jocorell@amazon.com>
Date: Tue, 13 Jan 2026 12:48:15 -0800
Subject: [PATCH 2/9] update

---
 .../workflows/performance-benchmarks-go.yml   | 22 +++----------------
 1 file changed, 3 insertions(+), 19 deletions(-)

diff --git a/.github/workflows/performance-benchmarks-go.yml b/.github/workflows/performance-benchmarks-go.yml
index 8920f26cd..d1d706b37 100644
--- a/.github/workflows/performance-benchmarks-go.yml
+++ b/.github/workflows/performance-benchmarks-go.yml
@@ -106,30 +106,14 @@ jobs:
         working-directory: ./db-esdk-performance-testing/benchmarks/results/raw-data/
         run: |
           LOG_FILE="go_results.json"
-          UPLOAD_FILE="go_filtered_logs.json"
+          UPLOAD_FILE="cloudwatch_logs.json"
           TIMESTAMP=$(date +%s%3N)
-          jq -Rs --arg ts "$TIMESTAMP" '
-            [
-              split("\n") | .[] |
-              select(startswith("TestEncrypts")) |
-              split(" ") | map(select(. != "")) as $parts |
-              {
-                timestamp: ($ts | tonumber),
-                message: ({
-                  testName: $parts[0],
-                  os: $parts[1],
-                  language: $parts[2],
-                  clockTime: ($parts[3] | tonumber),
-                  cpuTime: ($parts[4] | tonumber)
-                } | tostring)
-              }
-            ]
-          ' $LOG_FILE > $UPLOAD_FILE
+          jq -c --arg ts "$(date +%s)000" '.results[] as $result | .metadata as $meta | {timestamp: ($ts | tonumber), message: ({metadata: $meta, result: $result} | tostring)}' $LOG_FILE > $UPLOAD_FILE
 
       - name: Upload logs to CloudWatch
         working-directory: ./db-esdk-performance-testing/benchmarks/results/raw-data/
         run: |
-          LOG_FILE="go_filtered_logs.json"
+          LOG_FILE="cloudwatch_logs.json"
           LOG_GROUP="aws-dbesdk-performance-benchmarks"
           LOG_STREAM="go/quick_benchmarks/${{ github.workflow }}/${{ github.run_id }}"
 

From 1cfd716de943d7f2ae6c124853de8d36d2e93869 Mon Sep 17 00:00:00 2001
From: Jose Corella <jocorell@amazon.com>
Date: Tue, 13 Jan 2026 13:04:32 -0800
Subject: [PATCH 3/9] kinda need to setup dafny

---
 .github/workflows/performance-benchmarks-go.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.github/workflows/performance-benchmarks-go.yml b/.github/workflows/performance-benchmarks-go.yml
index d1d706b37..aad1058df 100644
--- a/.github/workflows/performance-benchmarks-go.yml
+++ b/.github/workflows/performance-benchmarks-go.yml
@@ -77,6 +77,11 @@ jobs:
         uses: actions/setup-go@v6
         with:
           go-version: ${{ matrix.go-version }}
+          
+      - name: Setup Dafny
+        uses: dafny-lang/setup-dafny-action@v1.8.0
+        with:
+          dafny-version: ${{ inputs.dafny }}
 
       - uses: actions/checkout@v5
       - name: Init Submodules

From 012471635e0493634c6d77e753c7c26c66e5e50d Mon Sep 17 00:00:00 2001
From: Jose Corella <jocorell@amazon.com>
Date: Tue, 13 Jan 2026 13:16:06 -0800
Subject: [PATCH 4/9] chekckout the right branch

---
 .github/workflows/performance-benchmarks-go.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/performance-benchmarks-go.yml b/.github/workflows/performance-benchmarks-go.yml
index aad1058df..1cba89da9 100644
--- a/.github/workflows/performance-benchmarks-go.yml
+++ b/.github/workflows/performance-benchmarks-go.yml
@@ -48,6 +48,7 @@ jobs:
 
       - uses: actions/checkout@v5
         with:
+          ref: benchmark
           submodules: recursive
       
       - name: Create temporary global.json
@@ -77,7 +78,7 @@ jobs:
         uses: actions/setup-go@v6
         with:
           go-version: ${{ matrix.go-version }}
-          
+
       - name: Setup Dafny
         uses: dafny-lang/setup-dafny-action@v1.8.0
         with:

From 4d291f9eed14a430165e003c180a7d6b1517e679 Mon Sep 17 00:00:00 2001
From: Jose Corella <jocorell@amazon.com>
Date: Tue, 13 Jan 2026 13:49:36 -0800
Subject: [PATCH 5/9] update

---
 .github/workflows/performance-benchmarks-go.yml | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/performance-benchmarks-go.yml b/.github/workflows/performance-benchmarks-go.yml
index 1cba89da9..3af8c1d4d 100644
--- a/.github/workflows/performance-benchmarks-go.yml
+++ b/.github/workflows/performance-benchmarks-go.yml
@@ -28,6 +28,7 @@ jobs:
       fail-fast: false
       matrix:
         library: [DynamoDbEncryption]
+        benchmark-dir: [db-esdk-performance-testing/benchmarks]
         os: [ubuntu-22.04, macos-15-intel]
         go-version: ["1.23", "1.24", "1.25"]
     runs-on: ${{ matrix.os }}
@@ -84,7 +85,6 @@ jobs:
         with:
           dafny-version: ${{ inputs.dafny }}
 
-      - uses: actions/checkout@v5
       - name: Init Submodules
         shell: bash
         run: |
@@ -104,12 +104,12 @@ jobs:
       
       - name: Run Performance Benchmarks - Quick Mode
         shell: bash
-        working-directory: ./db-esdk-performance-testing/benchmarks/go
+        working-directory: ./${{matrix.benchmark-dir}}/go
         run: |
             go run . --config ../../config/test-scenarios.yaml --quick
 
       - name: Parse and Format Logs
-        working-directory: ./db-esdk-performance-testing/benchmarks/results/raw-data/
+        working-directory: ./${{matrix.benchmark-dir}}/results/raw-data/
         run: |
           LOG_FILE="go_results.json"
           UPLOAD_FILE="cloudwatch_logs.json"
@@ -117,7 +117,7 @@ jobs:
           jq -c --arg ts "$(date +%s)000" '.results[] as $result | .metadata as $meta | {timestamp: ($ts | tonumber), message: ({metadata: $meta, result: $result} | tostring)}' $LOG_FILE > $UPLOAD_FILE
 
       - name: Upload logs to CloudWatch
-        working-directory: ./db-esdk-performance-testing/benchmarks/results/raw-data/
+        working-directory: ./${{matrix.benchmark-dir}}/results/raw-data/
         run: |
           LOG_FILE="cloudwatch_logs.json"
           LOG_GROUP="aws-dbesdk-performance-benchmarks"

From dffb0fee3268d0fead0b6217797d262a5dde4ea8 Mon Sep 17 00:00:00 2001
From: Jose Corella <jocorell@amazon.com>
Date: Tue, 13 Jan 2026 13:58:13 -0800
Subject: [PATCH 6/9] m

---
 .github/workflows/performance-benchmarks-go.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.github/workflows/performance-benchmarks-go.yml b/.github/workflows/performance-benchmarks-go.yml
index 3af8c1d4d..32b520342 100644
--- a/.github/workflows/performance-benchmarks-go.yml
+++ b/.github/workflows/performance-benchmarks-go.yml
@@ -85,6 +85,9 @@ jobs:
         with:
           dafny-version: ${{ inputs.dafny }}
 
+      - uses: actions/checkout@v5
+        with:
+          ref: benchmark
       - name: Init Submodules
         shell: bash
         run: |

From 5cca04fb01d7a65dbcc3c329c92b0143d4fa7efd Mon Sep 17 00:00:00 2001
From: Jose Corella <jocorell@amazon.com>
Date: Tue, 13 Jan 2026 14:18:15 -0800
Subject: [PATCH 7/9] maybe?

---
 .github/workflows/performance-benchmarks-go.yml | 2 --
 1 file changed, 2 deletions(-)

diff --git a/.github/workflows/performance-benchmarks-go.yml b/.github/workflows/performance-benchmarks-go.yml
index 32b520342..f797011c3 100644
--- a/.github/workflows/performance-benchmarks-go.yml
+++ b/.github/workflows/performance-benchmarks-go.yml
@@ -86,8 +86,6 @@ jobs:
           dafny-version: ${{ inputs.dafny }}
 
       - uses: actions/checkout@v5
-        with:
-          ref: benchmark
       - name: Init Submodules
         shell: bash
         run: |

From 430953292ca2a8d7d4a1d2d4823ee3100651425a Mon Sep 17 00:00:00 2001
From: Jose Corella <jocorell@amazon.com>
Date: Tue, 13 Jan 2026 14:33:24 -0800
Subject: [PATCH 8/9] m

---
 .github/workflows/performance-benchmarks-go.yml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/.github/workflows/performance-benchmarks-go.yml b/.github/workflows/performance-benchmarks-go.yml
index f797011c3..b3aa9cb50 100644
--- a/.github/workflows/performance-benchmarks-go.yml
+++ b/.github/workflows/performance-benchmarks-go.yml
@@ -103,6 +103,12 @@ jobs:
           CORES=$(node -e 'console.log(os.cpus().length)')
           make transpile_go CORES=$CORES
       
+      - name: Build ${{ matrix.library }} implementation
+        shell: bash
+        working-directory: ./
+        run: |
+            ls
+            
       - name: Run Performance Benchmarks - Quick Mode
         shell: bash
         working-directory: ./${{matrix.benchmark-dir}}/go

From eb2005528110d89e2fd82918f0b550d70c45cf52 Mon Sep 17 00:00:00 2001
From: Jose Corella <jocorell@amazon.com>
Date: Tue, 13 Jan 2026 14:41:32 -0800
Subject: [PATCH 9/9] ?

---
 .../workflows/performance-benchmarks-go.yml   | 26 +++++++++----------
 1 file changed, 12 insertions(+), 14 deletions(-)

diff --git a/.github/workflows/performance-benchmarks-go.yml b/.github/workflows/performance-benchmarks-go.yml
index b3aa9cb50..d56f7e8a5 100644
--- a/.github/workflows/performance-benchmarks-go.yml
+++ b/.github/workflows/performance-benchmarks-go.yml
@@ -51,6 +51,11 @@ jobs:
         with:
           ref: benchmark
           submodules: recursive
+      - name: Init Submodules
+        shell: bash
+        run: |
+          git submodule update --init --recursive submodules/smithy-dafny
+          git submodule update --init --recursive submodules/MaterialProviders
       
       - name: Create temporary global.json
         run: echo '{"sdk":{"rollForward":"latestFeature","version":"6.0.0"}}' > ./global.json
@@ -85,16 +90,15 @@ jobs:
         with:
           dafny-version: ${{ inputs.dafny }}
 
-      - uses: actions/checkout@v5
-      - name: Init Submodules
-        shell: bash
-        run: |
-          git submodule update --init --recursive submodules/smithy-dafny
-          git submodule update --init --recursive submodules/MaterialProviders
-
       - name: Install Smithy-Dafny codegen dependencies
         uses: ./.github/actions/install_smithy_dafny_codegen_dependencies
 
+      - name: Build ${{ matrix.library }} implementation
+        shell: bash
+        working-directory: ./
+        run: |
+            ls
+
       - name: Build ${{ matrix.library }} implementation
         shell: bash
         working-directory: ./${{ matrix.library }}
@@ -102,13 +106,7 @@ jobs:
           # This works because `node` is installed by default on GHA runners
           CORES=$(node -e 'console.log(os.cpus().length)')
           make transpile_go CORES=$CORES
-      
-      - name: Build ${{ matrix.library }} implementation
-        shell: bash
-        working-directory: ./
-        run: |
-            ls
-            
+
       - name: Run Performance Benchmarks - Quick Mode
         shell: bash
         working-directory: ./${{matrix.benchmark-dir}}/go