329ccca6b1
This switches to gofumpt and applies changes, as I've noticed working in dapr (who uses this) that it finds some things that are annoying, such as inconsistent block formatting in test tables. Signed-off-by: Adrian Cole <adrian@tetrate.io>
51 lines
1.3 KiB
Go
51 lines
1.3 KiB
Go
package bench
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import (
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"encoding/binary"
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"testing"
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)
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func BenchmarkInterfaceVSUnexport(b *testing.B) {
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const size = 100
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const val = 55
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var memInterface MemoryInstanceInterface = &memoryInstance{buffer: make([]byte, size)}
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memStruct := &memoryInstance{buffer: make([]byte, size)}
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b.Run("interface", func(b *testing.B) {
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for i := 0; i < b.N; i++ {
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for addr := uint32(0); addr < size+1000; addr++ {
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memInterface.PutUint32(addr, val)
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}
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}
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})
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b.Run("struct", func(b *testing.B) {
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for i := 0; i < b.N; i++ {
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for addr := uint32(0); addr < size+1000; addr++ {
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memStruct.PutUint32(addr, val)
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}
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}
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})
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}
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type MemoryInstanceInterface interface {
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PutUint32(addr uint32, val uint32) bool
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}
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type memoryInstance struct {
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buffer []byte // inexpert only this
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Min uint32 // PS especially below would make sense to also not export as export makes it mutable
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Max *uint32
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}
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func (m *memoryInstance) validateAddrRange(addr uint32, rangeSize uint64) bool {
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return uint64(addr) < uint64(len(m.buffer)) && rangeSize <= uint64(len(m.buffer))-uint64(addr)
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}
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func (m *memoryInstance) PutUint32(addr uint32, val uint32) bool {
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if !m.validateAddrRange(addr, uint64(4)) {
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return false
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}
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binary.LittleEndian.PutUint32(m.buffer[addr:], val)
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return true
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}
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