msgpack: add benchmarks

.github/workflows/benchmark.yml

@@ -0,0 +1,75 @@
+name: Benchmark
+
+on:
+  push:
+    branches: "*"
+    tags:
+      - "v*"
+  pull_request:
+    branches: "*"
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  benchmark:
+    strategy:
+      matrix:
+        os:
+          # https://github.com/actions/virtual-environments/blob/ubuntu20/20201210.0/images/linux/Ubuntu2004-README.md
+          - ubuntu-20.04
+        go-version:
+          - 1.15.x
+    runs-on: ${{ matrix.os }}
+
+    steps:
+    - name: Set flag environment variable
+      run: |
+        echo "OS=$(echo ${{ runner.os }} | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV
+        echo "GO_VERSION=$(echo ${{ matrix.go-version }} | cut -d. -f-2)" >> $GITHUB_ENV
+
+    - name: Install Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: ${{ matrix.go-version }}
+
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Cache Go module and build cache
+      uses: actions/cache@v2
+      with:
+        key: ${{ env.OS }}-go-${{ hashFiles('**/go.sum') }}
+        path: |
+          ~/go/pkg/mod              # Module download cache
+          ~/.cache/go-build         # Build cache (Linux)
+        restore-keys: |
+          ${{ env.OS }}-go-
+
+    - name: Cache nvim binary for linux and darwin
+      uses: actions/cache@v2
+      id: cache-nvim
+      with:
+        key: ${{ env.OS }}-nvim-${{ hashFiles('~/nvim/bin/nvim') }}
+        path: |
+          ~/nvim
+        restore-keys: |
+          ${{ env.OS }}-nvim-
+
+    - name: Install nvim binary
+      uses: rhysd/action-setup-vim@v1
+      if: steps.cache-nvim.outputs.cache-hit != 'true'
+      with:
+        neovim: true
+        version: nightly
+
+    - name: Run Benchmark
+      run: |
+        go test -v -count=3 -run=none -bench=. -benchmem -timeout=15m ./... | tee bench-${{ env.OS }}-${{ env.GO_VERSION }}.txt
+
+    - name: 'Upload benchmark Artifact'
+      uses: actions/upload-artifact@v2
+      with:
+        name: bench-${{ env.OS }}-${{ env.GO_VERSION }}.txt
+        path: bench-${{ env.OS }}-${{ env.GO_VERSION }}.txt

msgpack/decode_test.go

@@ -34,14 +34,6 @@ type testDecArrayStruct struct {
 	S string
 }
 
-func ptrInt(i int) *int {
-	return &i
-}
-
-func ptrUint(i uint) *uint {
-	return &i
-}
-
 func TestDecode(t *testing.T) {
 	t.Parallel()
 

msgpack/msgpack.go

@@ -11,9 +11,15 @@ const (
 	fixStringCodeMin = 0xa0
 	fixStringCodeMax = 0xbf
 	nilCode          = 0xc0
-	unusedCode       = 0xc1
+	unusedCode       = 0xc1 // never used
 	falseCode        = 0xc2
 	trueCode         = 0xc3
+	binary8Code      = 0xc4
+	binary16Code     = 0xc5
+	binary32Code     = 0xc6
+	ext8Code         = 0xc7
+	ext16Code        = 0xc8
+	ext32Code        = 0xc9
 	float32Code      = 0xca
 	float64Code      = 0xcb
 	uint8Code        = 0xcc
@@ -24,24 +30,18 @@ const (
 	int16Code        = 0xd1
 	int32Code        = 0xd2
 	int64Code        = 0xd3
+	fixExt1Code      = 0xd4
+	fixExt2Code      = 0xd5
+	fixExt4Code      = 0xd6
+	fixExt8Code      = 0xd7
+	fixExt16Code     = 0xd8
 	string8Code      = 0xd9
 	string16Code     = 0xda
 	string32Code     = 0xdb
-	binary8Code      = 0xc4
-	binary16Code     = 0xc5
-	binary32Code     = 0xc6
 	array16Code      = 0xdc
 	array32Code      = 0xdd
 	map16Code        = 0xde
 	map32Code        = 0xdf
-	fixext1Code      = 0xd4
-	fixext2Code      = 0xd5
-	fixext4Code      = 0xd6
-	fixext8Code      = 0xd7
-	fixext16Code     = 0xd8
-	ext8Code         = 0xc7
-	ext16Code        = 0xc8
-	ext32Code        = 0xc9
 	negFixIntCodeMin = 0xe0
 	negFixIntCodeMax = 0xff
 )