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panel/internal/apps/benchmark/app.go
2025-04-05 19:56:57 +08:00

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package benchmark
import (
"bytes"
"compress/gzip"
"crypto/aes"
"crypto/cipher"
cryptorand "crypto/rand"
"encoding/json"
"fmt"
"image"
"image/color"
"io"
"math"
"math/big"
"math/rand/v2"
"net/http"
"os"
"runtime"
"strings"
"sync"
"time"
"github.com/go-chi/chi/v5"
"github.com/tnb-labs/panel/internal/service"
)
type App struct {
}
func NewApp() *App {
return &App{}
}
func (s *App) Route(r chi.Router) {
r.Post("/test", s.Test)
}
// Test 运行测试
func (s *App) Test(w http.ResponseWriter, r *http.Request) {
req, err := service.Bind[Test](r)
if err != nil {
service.Error(w, http.StatusUnprocessableEntity, "%v", err)
return
}
switch req.Name {
case "image":
result := s.imageProcessing(req.Multi)
service.Success(w, result)
case "machine":
result := s.machineLearning(req.Multi)
service.Success(w, result)
case "compile":
result := s.compileSimulationSingle(req.Multi)
service.Success(w, result)
case "encryption":
result := s.encryptionTest(req.Multi)
service.Success(w, result)
case "compression":
result := s.compressionTest(req.Multi)
service.Success(w, result)
case "physics":
result := s.physicsSimulation(req.Multi)
service.Success(w, result)
case "json":
result := s.jsonProcessing(req.Multi)
service.Success(w, result)
case "disk":
result := s.diskTestTask()
service.Success(w, result)
case "memory":
result := s.memoryTestTask()
service.Success(w, result)
default:
service.Error(w, http.StatusUnprocessableEntity, "未知测试类型")
}
}
// calculateCpuScore 计算CPU成绩
func (s *App) calculateCpuScore(duration time.Duration) int {
score := int((10 / duration.Seconds()) * float64(3000))
if score < 0 {
score = 0
}
return score
}
// calculateScore 计算内存/硬盘成绩
func (s *App) calculateScore(duration time.Duration) int {
score := int((20 / duration.Seconds()) * float64(30000))
if score < 0 {
score = 0
}
return score
}
// 图像处理
func (s *App) imageProcessing(multi bool) int {
n := 1
if multi {
n = runtime.NumCPU()
}
start := time.Now()
if err := s.imageProcessingTask(n); err != nil {
return 0
}
duration := time.Since(start)
return s.calculateCpuScore(duration)
}
func (s *App) imageProcessingTask(numThreads int) error {
img := image.NewRGBA(image.Rect(0, 0, 4000, 4000))
for x := 0; x < 4000; x++ {
for y := 0; y < 4000; y++ {
img.Set(x, y, color.RGBA{R: uint8(x % 256), G: uint8(y % 256), A: 255})
}
}
var wg sync.WaitGroup
dx := img.Bounds().Dx()
dy := img.Bounds().Dy()
chunkSize := dy / numThreads
for i := 0; i < numThreads; i++ {
wg.Add(1)
go func(i int) {
defer wg.Done()
startY := i * chunkSize
endY := startY + chunkSize
if i == numThreads-1 {
endY = dy
}
for x := 1; x < dx-1; x++ {
for y := startY + 1; y < endY-1; y++ {
// 卷积操作(模糊)
rTotal, gTotal, bTotal := 0, 0, 0
for k := -1; k <= 1; k++ {
for l := -1; l <= 1; l++ {
r, g, b, _ := img.At(x+k, y+l).RGBA()
rTotal += int(r)
gTotal += int(g)
bTotal += int(b)
}
}
rAvg := uint8(rTotal / 9 / 256)
gAvg := uint8(gTotal / 9 / 256)
bAvg := uint8(bTotal / 9 / 256)
img.Set(x, y, color.RGBA{R: rAvg, G: gAvg, B: bAvg, A: 255})
}
}
}(i)
}
wg.Wait()
return nil
}
// 机器学习(矩阵乘法)
func (s *App) machineLearning(multi bool) int {
n := 1
if multi {
n = runtime.NumCPU()
}
start := time.Now()
s.machineLearningTask(n)
duration := time.Since(start)
return s.calculateCpuScore(duration)
}
func (s *App) machineLearningTask(numThreads int) {
size := 900
a := make([][]float64, size)
b := make([][]float64, size)
for i := 0; i < size; i++ {
a[i] = make([]float64, size)
b[i] = make([]float64, size)
for j := 0; j < size; j++ {
a[i][j] = rand.Float64()
b[i][j] = rand.Float64()
}
}
c := make([][]float64, size)
for i := 0; i < size; i++ {
c[i] = make([]float64, size)
}
var wg sync.WaitGroup
chunkSize := size / numThreads
for k := 0; k < numThreads; k++ {
wg.Add(1)
go func(k int) {
defer wg.Done()
start := k * chunkSize
end := start + chunkSize
if k == numThreads-1 {
end = size
}
for i := start; i < end; i++ {
for j := 0; j < size; j++ {
sum := 0.0
for l := 0; l < size; l++ {
sum += a[i][l] * b[l][j]
}
c[i][j] = sum
}
}
}(k)
}
wg.Wait()
}
// 数学问题(计算斐波那契数)
func (s *App) compileSimulationSingle(multi bool) int {
n := 1
if multi {
n = runtime.NumCPU()
}
start := time.Now()
totalCalculations := 1000
fibNumber := 20000
calculationsPerThread := totalCalculations / n
remainder := totalCalculations % n
var wg sync.WaitGroup
for i := 0; i < n; i++ {
tasks := calculationsPerThread
if i < remainder {
tasks++ // 处理无法均分的剩余任务
}
wg.Add(1)
go func(tasks int) {
defer wg.Done()
for j := 0; j < tasks; j++ {
s.fib(fibNumber)
}
}(tasks)
}
wg.Wait()
duration := time.Since(start)
return s.calculateCpuScore(duration)
}
// 斐波那契函数
func (s *App) fib(n int) *big.Int {
if n < 2 {
return big.NewInt(int64(n))
}
a := big.NewInt(0)
b := big.NewInt(1)
temp := big.NewInt(0)
for i := 2; i <= n; i++ {
temp.Add(a, b)
a.Set(b)
b.Set(temp)
}
return b
}
// AES加密
func (s *App) encryptionTest(multi bool) int {
n := 1
if multi {
n = runtime.NumCPU()
}
start := time.Now()
if err := s.encryptionTestTask(n); err != nil {
return 0
}
duration := time.Since(start)
return s.calculateCpuScore(duration)
}
func (s *App) encryptionTestTask(numThreads int) error {
key := []byte("abcdefghijklmnopqrstuvwxyz123456")
dataSize := 1024 * 1024 * 512 // 512 MB
plaintext := []byte(strings.Repeat("A", dataSize))
block, err := aes.NewCipher(key)
if err != nil {
return err
}
aesGCM, err := cipher.NewGCM(block)
if err != nil {
return err
}
chunkSize := dataSize / numThreads
var wg sync.WaitGroup
for i := 0; i < numThreads; i++ {
wg.Add(1)
go func(i int) {
defer wg.Done()
start := i * chunkSize
end := start + chunkSize
if i == numThreads-1 {
end = dataSize
}
nonce := make([]byte, aesGCM.NonceSize())
if _, err = cryptorand.Read(nonce); err != nil {
return
}
aesGCM.Seal(nil, nonce, plaintext[start:end], nil)
}(i)
}
wg.Wait()
return nil
}
// 压缩/解压缩
func (s *App) compressionTest(multi bool) int {
n := 1
if multi {
n = runtime.NumCPU()
}
start := time.Now()
s.compressionTestTask(n)
duration := time.Since(start)
return s.calculateCpuScore(duration)
}
func (s *App) compressionTestTask(numThreads int) {
data := []byte(strings.Repeat("耗子面板", 50000000))
chunkSize := len(data) / numThreads
var wg sync.WaitGroup
compressedChunks := make([]bytes.Buffer, numThreads)
// 压缩
for i := 0; i < numThreads; i++ {
wg.Add(1)
go func(i int) {
defer wg.Done()
start := i * chunkSize
end := start + chunkSize
if i == numThreads-1 {
end = len(data)
}
var buf bytes.Buffer
w := gzip.NewWriter(&buf)
_, _ = w.Write(data[start:end])
_ = w.Close()
compressedChunks[i] = buf
}(i)
}
wg.Wait()
// 解压缩
for i := 0; i < numThreads; i++ {
wg.Add(1)
go func(i int) {
defer wg.Done()
r, err := gzip.NewReader(&compressedChunks[i])
if err != nil {
return
}
_, err = io.Copy(io.Discard, r)
if err != nil {
return
}
_ = r.Close()
}(i)
}
wg.Wait()
}
// 物理仿真N体问题
func (s *App) physicsSimulation(multi bool) int {
n := 1
if multi {
n = runtime.NumCPU()
}
start := time.Now()
s.physicsSimulationTask(n)
duration := time.Since(start)
return s.calculateCpuScore(duration)
}
func (s *App) physicsSimulationTask(numThreads int) {
const (
numBodies = 4000
steps = 30
)
type Body struct {
x, y, z, vx, vy, vz float64
}
bodies := make([]Body, numBodies)
for i := 0; i < numBodies; i++ {
bodies[i] = Body{
x: rand.Float64(),
y: rand.Float64(),
z: rand.Float64(),
vx: rand.Float64(),
vy: rand.Float64(),
vz: rand.Float64(),
}
}
chunkSize := numBodies / numThreads
for step := 0; step < steps; step++ {
var wg sync.WaitGroup
// 更新速度
for k := 0; k < numThreads; k++ {
wg.Add(1)
go func(k int) {
defer wg.Done()
start := k * chunkSize
end := start + chunkSize
if k == numThreads-1 {
end = numBodies
}
for i := start; i < end; i++ {
bi := &bodies[i]
for j := 0; j < numBodies; j++ {
if i == j {
continue
}
bj := &bodies[j]
dx := bj.x - bi.x
dy := bj.y - bi.y
dz := bj.z - bi.z
dist := math.Sqrt(dx*dx + dy*dy + dz*dz)
if dist == 0 {
continue
}
force := 1 / (dist * dist)
bi.vx += force * dx / dist
bi.vy += force * dy / dist
bi.vz += force * dz / dist
}
}
}(k)
}
wg.Wait()
// 更新位置
for k := 0; k < numThreads; k++ {
wg.Add(1)
go func(k int) {
defer wg.Done()
start := k * chunkSize
end := start + chunkSize
if k == numThreads-1 {
end = numBodies
}
for i := start; i < end; i++ {
bi := &bodies[i]
bi.x += bi.vx
bi.y += bi.vy
bi.z += bi.vz
}
}(k)
}
wg.Wait()
}
}
// JSON解析
func (s *App) jsonProcessing(multi bool) int {
n := 1
if multi {
n = runtime.NumCPU()
}
start := time.Now()
s.jsonProcessingTask(n)
duration := time.Since(start)
return s.calculateCpuScore(duration)
}
func (s *App) jsonProcessingTask(numThreads int) {
numElements := 1000000
elementsPerThread := numElements / numThreads
var wg sync.WaitGroup
for i := 0; i < numThreads; i++ {
wg.Add(1)
go func(i int) {
defer wg.Done()
start := i * elementsPerThread
end := start + elementsPerThread
if i == numThreads-1 {
end = numElements
}
elements := make([]map[string]any, 0, end-start)
for j := start; j < end; j++ {
elements = append(elements, map[string]any{
"id": j,
"value": fmt.Sprintf("Value%d", j),
})
}
encoded, err := json.Marshal(elements)
if err != nil {
return
}
var parsed []map[string]any
err = json.Unmarshal(encoded, &parsed)
if err != nil {
return
}
}(i)
}
wg.Wait()
}
// 内存性能
func (s *App) memoryTestTask() map[string]any {
results := make(map[string]any)
dataSize := 500 * 1024 * 1024 // 500 MB
data := make([]byte, dataSize)
_, _ = cryptorand.Read(data)
start := time.Now()
// 内存读写速度
results["bandwidth"] = s.memoryBandwidthTest(data)
// 内存访问延迟
data = data[:100*1024*1024] // 100 MB
results["latency"] = s.memoryLatencyTest(data)
duration := time.Since(start)
results["score"] = s.calculateScore(duration)
return results
}
func (s *App) memoryBandwidthTest(data []byte) string {
dataSize := len(data)
startTime := time.Now()
for i := 0; i < dataSize; i++ {
data[i] ^= 0xFF
}
duration := time.Since(startTime).Seconds()
if duration == 0 {
return "N/A"
}
speed := float64(dataSize) / duration / (1024 * 1024)
return fmt.Sprintf("%.2f MB/s", speed)
}
func (s *App) memoryLatencyTest(data []byte) string {
dataSize := len(data)
indices := rand.Perm(dataSize)
startTime := time.Now()
sum := byte(0)
for _, idx := range indices {
sum ^= data[idx]
}
duration := time.Since(startTime).Seconds()
if duration == 0 {
return "N/A"
}
avgLatency := duration * 1e9 / float64(dataSize)
return fmt.Sprintf("%.2f ns", avgLatency)
}
// 硬盘IO
func (s *App) diskTestTask() map[string]any {
results := make(map[string]any)
blockSizes := []int64{4 * 1024, 64 * 1024, 512 * 1024, 1 * 1024 * 1024} // 4K, 64K, 512K, 1M
fileSize := int64(100 * 1024 * 1024) // 100MB 文件
start := time.Now()
for _, blockSize := range blockSizes {
result := s.diskIOTest(blockSize, fileSize)
results[fmt.Sprintf("%d", blockSize/1024)] = result
}
duration := time.Since(start)
results["score"] = s.calculateScore(duration)
return results
}
func (s *App) diskIOTest(blockSize int64, fileSize int64) map[string]any {
result := make(map[string]any)
tempFile := fmt.Sprintf("tempfile_%d", blockSize)
defer func(name string) {
_ = os.Remove(name)
}(tempFile)
// 写测试
writeSpeed, writeIOPS := s.diskWriteTest(tempFile, blockSize, fileSize)
// 读测试
readSpeed, readIOPS := s.diskReadTest(tempFile, blockSize, fileSize)
result["write_speed"] = fmt.Sprintf("%.2f MB/s", writeSpeed)
result["write_iops"] = fmt.Sprintf("%.2f IOPS", writeIOPS)
result["read_speed"] = fmt.Sprintf("%.2f MB/s", readSpeed)
result["read_iops"] = fmt.Sprintf("%.2f IOPS", readIOPS)
return result
}
func (s *App) diskWriteTest(fileName string, blockSize int64, fileSize int64) (float64, float64) {
totalBlocks := fileSize / blockSize
data := make([]byte, blockSize)
_, _ = cryptorand.Read(data)
file, err := os.OpenFile(fileName, os.O_CREATE|os.O_WRONLY|os.O_SYNC, 0644)
if err != nil {
return 0, 0
}
defer file.Close()
start := time.Now()
for i := int64(0); i < totalBlocks; i++ {
// 生成随机偏移
offset := rand.Int64N(fileSize - blockSize + 1)
_, err := file.WriteAt(data, offset)
if err != nil {
return 0, 0
}
}
_ = file.Sync()
duration := time.Since(start).Seconds()
if duration == 0 {
duration = 1
}
speed := float64(totalBlocks*blockSize) / duration / (1024 * 1024)
iops := float64(totalBlocks) / duration
return speed, iops
}
func (s *App) diskReadTest(fileName string, blockSize int64, fileSize int64) (float64, float64) {
totalBlocks := fileSize / blockSize
data := make([]byte, blockSize)
file, err := os.OpenFile(fileName, os.O_RDONLY|os.O_SYNC, 0644)
if err != nil {
return 0, 0
}
defer file.Close()
start := time.Now()
for i := int64(0); i < totalBlocks; i++ {
// 生成随机偏移
offset := rand.Int64N(fileSize - blockSize + 1)
_, err := file.ReadAt(data, offset)
if err != nil && err != io.EOF {
return 0, 0
}
}
duration := time.Since(start).Seconds()
if duration == 0 {
duration = 1
}
speed := float64(totalBlocks*blockSize) / duration / (1024 * 1024)
iops := float64(totalBlocks) / duration
return speed, iops
}