update readme

cmd/example/main.go

@@ -14,7 +14,7 @@ func main() {
 
 	// I will ignore all errors for demonstration purposes
 
-	_, _ = ingester.BulkPush("movies", "general", 2, []sonic.IngestBulkRecord{
+	_, _ = ingester.BulkPush("movies", "general", 3, []sonic.IngestBulkRecord{
 		{"id:6ab56b4kk3", "Star wars"},
 		{"id:5hg67f8dg5", "Spider man"},
 		{"id:1m2n3b4vf6", "Batman"},

readme.md

@@ -44,4 +44,22 @@ func main() {
 
 	fmt.Println(results)
 }
-```
+```
+
+### Benchmark bulk
+
+Method BulkPush and BulkPop use custom connection pool with goroutine dispatch algorithm.
+This is the benchmark (file sonic/ingester_test.go):
+
+```
+goos: linux
+goarch: amd64
+pkg: github.com/expectedsh/go-sonic/sonic
+BenchmarkIngesterChannel_BulkPushMaxCPUs-8   	       2	 662657959 ns/op
+BenchmarkIngesterChannel_BulkPush10-8        	       2	 603779977 ns/op
+BenchmarkIngesterChannel_Push-8              	       1	1023322864 ns/op
+PASS
+```
+
+Bulk push is faster than for loop on Push. 
+Hardware detail: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz