passing struct

gistfile1.go

package oo

import (
  "testing"
  "strings"
)

const n = 1024 * 1

func BenchmarkPassByCopy(b *testing.B) {
  for i := 0; i < b.N; i++ {
    passByCopy(Request{req: &Req{22, "test", "test", "i", []string{"f"}},
    keys: [][]string{[]string{strings.Repeat("a", n)}}, op: 3, limit: 3,
    values: []string{"3.3"}})
  }
}

func BenchmarkPassByPointer(b *testing.B) {
  for i := 0; i < b.N; i++ {
    passByPointer(&Request{req: &Req{22, "test", "test", "i", []string{"f"}},
    keys: [][]string{[]string{strings.Repeat("a", n)}}, op: 3, limit: 3,
    values: []string{"3.3"}})
  }
}

func passByCopy(in Request) {
  _ = in.req.dbname
  _ = in.req.table
  _ = in.req.index
  _ = in.req.fields
  _ = in.keys
  _ = in.op
  _ = in.start
  _ = in.limit
  _ = in.filters
}

func passByPointer(in *Request) {
  _ = in.req.dbname
  _ = in.req.table
  _ = in.req.index
  _ = in.req.fields
  _ = in.keys
  _ = in.op
  _ = in.start
  _ = in.limit
  _ = in.filters
}

type Req struct {
  t int
  dbname string
  table string
  index string
  fields []string
}

type Request struct {
  req *Req
  keys [][]string
  op uint8
  start uint32
  limit uint32
  filters []*Filter
  values []string
}

type Filter struct {
  field string
  op uint8
  value string
}