gfcp_fec_test.go

// Copyright © 2021 Jeffrey H. Johnson <trnsz@pobox.com>.
// Copyright © 2015 Daniel Fu <daniel820313@gmail.com>.
// Copyright © 2019 Loki 'l0k18' Verloren <stalker.loki@protonmail.ch>.
// Copyright © 2021 Gridfinity, LLC. <admin@gridfinity.com>.
//
// All rights reserved.
//
// All use of this code is governed by the MIT license.
// The complete license is available in the LICENSE file.

package gfcp_test

import (
	"encoding/binary"
	"math/rand"
	"testing"

	"github.com/johnsonjh/gfcp"
)

func BenchmarkFECDecode1500(
	b *testing.B,
) {
	const (
		dataSize   = 10
		paritySize = 3
		payLoad    = 1500
	)
	decoder := gfcp.NewFECDecoder(
		1024,
		dataSize,
		paritySize,
	)
	b.ReportAllocs()
	b.SetBytes(
		payLoad,
	)
	for i := 0; i < b.N; i++ {
		if rand.Int()%(dataSize+paritySize) == 0 {
			continue
		}
		pkt := make(
			[]byte,
			payLoad,
		)
		binary.LittleEndian.PutUint32(
			pkt,
			uint32(i),
		)
		if i%(dataSize+paritySize) >= dataSize {
			binary.LittleEndian.PutUint16(
				pkt[4:],
				gfcp.KTypeParity,
			)
		} else {
			binary.LittleEndian.PutUint16(
				pkt[4:],
				gfcp.KTypeData,
			)
		}
		decoder.Decode(
			pkt,
		)
	}
}

func BenchmarkFECEncode1500(
	b *testing.B,
) {
	const dataSize = 10
	const paritySize = 3
	const payLoad = 1500
	b.ReportAllocs()
	b.SetBytes(
		payLoad,
	)
	Encoder := gfcp.NewFECEncoder(
		dataSize,
		paritySize,
		0,
	)
	for i := 0; i < b.N; i++ {
		data := make(
			[]byte,
			payLoad,
		)
		Encoder.Encode(
			data,
		)
	}
}

func BenchmarkFECDecode9000(
	b *testing.B,
) {
	const (
		dataSize   = 10
		paritySize = 3
		payLoad    = 9000
	)
	decoder := gfcp.NewFECDecoder(
		1024,
		dataSize,
		paritySize,
	)
	b.ReportAllocs()
	b.SetBytes(
		payLoad,
	)
	for i := 0; i < b.N; i++ {
		if rand.Int()%(dataSize+paritySize) == 0 {
			continue
		}
		pkt := make(
			[]byte,
			payLoad,
		)
		binary.LittleEndian.PutUint32(
			pkt,
			uint32(i),
		)
		if i%(dataSize+paritySize) >= dataSize {
			binary.LittleEndian.PutUint16(
				pkt[4:],
				gfcp.KTypeParity,
			)
		} else {
			binary.LittleEndian.PutUint16(
				pkt[4:],
				gfcp.KTypeData,
			)
		}
		decoder.Decode(
			pkt,
		)
	}
}

func BenchmarkFECEncode9000(
	b *testing.B,
) {
	const dataSize = 10
	const paritySize = 3
	const payLoad = 9000
	b.ReportAllocs()
	b.SetBytes(
		payLoad,
	)
	Encoder := gfcp.NewFECEncoder(
		dataSize,
		paritySize,
		0,
	)
	for i := 0; i < b.N; i++ {
		data := make(
			[]byte,
			payLoad,
		)
		Encoder.Encode(
			data,
		)
	}
}