bench: skip_fast vs skip_validate

bytedance · Aug 26, 2024 · 8a0e155 · 8a0e155
1 parent 5672c89
commit 8a0e155
Showing 1 changed file with 20 additions and 21 deletions.
diff --git a/decoder/decoder_test.go b/decoder/decoder_test.go
@@ -18,6 +18,7 @@ package decoder
 
 import (
 	"encoding/json"
+	"fmt"
 	"runtime"
 	"runtime/debug"
 	"strings"
@@ -100,7 +101,7 @@ func BenchmarkSkipValidate(b *testing.B) {
         expTime float64
     }
     var sam = map[int]interface{}{}
-    for i := 0; i < 10; i++ {
+    for i := 0; i < 1; i++ {
         sam[i] = _BindingValue
     }
     comptd, err := json.Marshal(sam)
@@ -109,49 +110,47 @@ func BenchmarkSkipValidate(b *testing.B) {
     }
     compt := string(comptd)
     var cases = []C{
-        {"mismatched", `{"a":`+compt+`}`, 2},
-        // {"ommited", `{"b":`+compt+`}`, 2},
-        {"fast int", `{"c":[`+strings.Repeat("-1.23456e-19,", 2000)+`1]}`, 1.2},
-        {"unknown", `{"unknown":`+compt+`}`, 2},
-        {"empty", `{"d":`+compt+`}`, 2},
-        {"mismatched elem", `{"e":`+compt+`}`, 2},
+        {"mismatched", `{"a":`+compt+`}`, 5},
+        {"ommited", `{"b":`+compt+`}`, 5},
+        {"number", `{"c":[`+strings.Repeat("-1.23456e-19,", 1000)+`1]}`, 1.5},
+        {"unknown", `{"unknown":`+compt+`}`, 5},
+        {"empty", `{"d":`+compt+`}`, 5},
+        {"mismatched elem", `{"e":`+compt+`}`, 5},
     }
     _ = NewDecoder(`{}`).Decode(&skiptype{})
+
+    var avg1, avg2 time.Duration
     for _, c := range cases {
         b.Run(c.name, func(b *testing.B) {
             b.Run("validate", func(b *testing.B) {
                 b.ResetTimer()
+                t1 := time.Now()
                 for i := 0; i < b.N; i++ {
                     var obj1 = &skiptype{}
                     // validate skip
                     d := NewDecoder(c.json)
-                    // t1 := time.Now()
-                    err1 := d.Decode(obj1)
-                    _ = err1
+                    _ = d.Decode(obj1)
                 }
+                d1 := time.Since(t1)
+                avg1 = d1/time.Duration(b.N)
             })
             b.Run("fast", func(b *testing.B) {
                 b.ResetTimer()
+                t2 := time.Now()
                 for i := 0; i < b.N; i++ {
                     var obj2 = &skiptype{}
-                    // d1 := time.Since(t1)
                     // fask skip
                     d := NewDecoder(c.json)
                     d.SetOptions(OptionNoValidateJSON)
-                    // t2 := time.Now()
-                    err2 := d.Decode(obj2)
-                    // d2 := time.Since(t2)
-                    _ = err2
+                    _ = d.Decode(obj2)
                 }
+                d2 := time.Since(t2)
+                avg2 = d2/time.Duration(b.N)
             })
-            // require.Equal(t, err1 == nil, err2 == nil)
-            // require.Equal(t, obj1, obj2)
-            // // fast skip must be 5x faster
-            // println(d1, d2)
-            // require.True(t, float64(d1)/float64(d2) >  c.expTime, fmt.Sprintf("%v/%v=%v", d1, d2, float64(d1)/float64(d2)))
+            // fast skip must be expTime x faster
+            require.True(b, float64(avg1)/float64(avg2) >  c.expTime, fmt.Sprintf("%v/%v=%v", avg1, avg2, float64(avg1)/float64(avg2)))
         })
     }
-    // var data = `{"a":`+TwitterJson+`,"b":`+TwitterJson+`,"c":[`+strings.Repeat("1,", 1024)+`1], "d":`+TwitterJson+`, "UNKNOWN":`+TwitterJson+`}`
 }