sweet/benchmarks/tile38/main.go - benchmarks - Git at Google

 // Copyright 2021 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.

 package main

 import (
 	"bytes"
 	"context"
 	"flag"
 	"fmt"
 	"io"
 	"math/rand"
 	"os"
 	"os/exec"
 	"path/filepath"
 	"runtime"
 	"sort"
 	"strconv"
 	"sync/atomic"
 	"time"

 	"golang.org/x/benchmarks/sweet/benchmarks/internal/driver"
 	"golang.org/x/benchmarks/sweet/benchmarks/internal/pool"

 	"github.com/gomodule/redigo/redis"
 )

 type config struct {
 	host        string
 	port        int
 	seed        int64
 	serverBin   string
 	dataPath    string
 	tmpDir      string
 	serverProcs int
 	isProfiling bool
 	short       bool
 }

 func (c *config) profilePath(typ driver.ProfileType) string {
 	var fname string
 	switch typ {
 	case driver.ProfileCPU:
 		fname = "cpu.prof"
 	case driver.ProfileMem:
 		fname = "mem.prof"
 	case driver.ProfilePerf:
 		fname = "perf.data"
 	default:
 		panic("unsupported profile type " + string(typ))
 	}
 	return filepath.Join(c.tmpDir, fname)
 }

 var cliCfg config

 func init() {
 	driver.SetFlags(flag.CommandLine)
 	flag.StringVar(&cliCfg.host, "host", "", "hostname of tile38 server")
 	flag.IntVar(&cliCfg.port, "port", 9851, "port for tile38 server")
 	flag.Int64Var(&cliCfg.seed, "seed", 0, "seed for PRNG")
 	flag.StringVar(&cliCfg.serverBin, "server", "", "path to tile38 server binary")
 	flag.StringVar(&cliCfg.dataPath, "data", "", "path to tile38 server data")
 	flag.StringVar(&cliCfg.tmpDir, "tmp", "", "path to temporary directory")
 	flag.BoolVar(&cliCfg.short, "short", false, "whether to run a short version of this benchmark")

 	// Grab the number of procs we have and give ourselves only 1/4 of those.
 	procs := runtime.GOMAXPROCS(-1)
 	clientProcs := procs / 4
 	if clientProcs == 0 {
 		clientProcs = 1
 	}
 	serverProcs := procs - clientProcs
 	if serverProcs == 0 {
 		serverProcs = 1
 	}
 	runtime.GOMAXPROCS(clientProcs)
 	cliCfg.serverProcs = serverProcs
 }

 type requestFunc func(redis.Conn, float64, float64) error

 func doWithinCircle(c redis.Conn, lat, lon float64) error {
 	_, err := c.Do("WITHIN", "key:bench", "COUNT", "CIRCLE",
 		strconv.FormatFloat(lat, 'f', 5, 64),
 		strconv.FormatFloat(lon, 'f', 5, 64),
 		"100000",
 	)
 	return err
 }

 func doIntersectsCircle(c redis.Conn, lat, lon float64) error {
 	_, err := c.Do("INTERSECTS", "key:bench", "COUNT", "CIRCLE",
 		strconv.FormatFloat(lat, 'f', 5, 64),
 		strconv.FormatFloat(lon, 'f', 5, 64),
 		"100000",
 	)
 	return err
 }

 func doNearby(c redis.Conn, lat, lon float64) error {
 	_, err := c.Do("NEARBY", "key:bench", "LIMIT", "100", "COUNT", "POINT",
 		strconv.FormatFloat(lat, 'f', 5, 64),
 		strconv.FormatFloat(lon, 'f', 5, 64),
 	)
 	return err
 }

 func randPoint() (float64, float64) {
 	return rand.Float64()*180 - 90, rand.Float64()*360 - 180
 }

 type worker struct {
 	redis.Conn
 	runner    requestFunc
 	iterCount *int64 // Accessed atomically.
 	lat       []time.Duration
 }

 func newWorker(host string, port int, req requestFunc, iterCount *int64) (*worker, error) {
 	conn, err := redis.Dial("tcp", fmt.Sprintf("%s:%d", host, port))
 	if err != nil {
 		return nil, err
 	}
 	return &worker{
 		Conn:      conn,
 		runner:    req,
 		iterCount: iterCount,
 		lat:       make([]time.Duration, 0, 100000),
 	}, nil
 }

 func (w *worker) Run(_ context.Context) error {
 	lat, lon := randPoint()
 	start := time.Now()
 	if err := w.runner(w.Conn, lat, lon); err != nil {
 		return err
 	}
 	dur := time.Now().Sub(start)
 	w.lat = append(w.lat, dur)
 	if atomic.AddInt64(w.iterCount, -1) < 0 {
 		return pool.Done
 	}
 	return nil
 }

 func (w *worker) Close() error {
 	return w.Conn.Close()
 }

 type durSlice []time.Duration

 func (d durSlice) Len() int           { return len(d) }
 func (d durSlice) Less(i, j int) bool { return d[i] < d[j] }
 func (d durSlice) Swap(i, j int)      { d[i], d[j] = d[j], d[i] }

 type benchmark struct {
 	sname  string
 	runner requestFunc
 }

 func (b *benchmark) name() string {
 	return fmt.Sprintf("Tile38%sRequest", b.sname)
 }

 func (b *benchmark) run(d *driver.B, host string, port, clients int, iters int) error {
 	workers := make([]pool.Worker, 0, clients)
 	iterCount := int64(iters) // Shared atomic variable.
 	for i := 0; i < clients; i++ {
 		w, err := newWorker(host, port, b.runner, &iterCount)
 		if err != nil {
 			return err
 		}
 		workers = append(workers, w)
 	}
 	p := pool.New(context.Background(), workers)

 	d.ResetTimer()
 	if err := p.Run(); err != nil {
 		return err
 	}
 	d.StopTimer()

 	// Test is done, bring all latency measurements together.
 	latencies := make([]time.Duration, 0, len(workers)*100000)
 	for _, w := range workers {
 		latencies = append(latencies, w.(*worker).lat...)
 	}
 	sort.Sort(durSlice(latencies))

 	// Sort and report percentiles.
 	p50 := latencies[len(latencies)*50/100]
 	p90 := latencies[len(latencies)*90/100]
 	p99 := latencies[len(latencies)*99/100]
 	d.Report("p50-latency-ns", uint64(p50))
 	d.Report("p90-latency-ns", uint64(p90))
 	d.Report("p99-latency-ns", uint64(p99))

 	// Report throughput.
 	lengthS := float64(d.Elapsed()) / float64(time.Second)
 	reqsPerSec := float64(len(latencies)) / lengthS
 	d.Report("ops/s", uint64(reqsPerSec))

 	// Report the average request latency.
 	d.Ops(len(latencies))
 	d.Report(driver.StatTime, uint64((int(d.Elapsed())*clients)/len(latencies)))
 	return nil
 }

 var benchmarks = []benchmark{
 	{"WithinCircle100km", doWithinCircle},
 	{"IntersectsCircle100km", doIntersectsCircle},
 	{"KNearestLimit100", doNearby},
 }

 func launchServer(cfg *config, out io.Writer) (*exec.Cmd, error) {
 	// Set up arguments.
 	srvArgs := []string{
 		"-d", cfg.dataPath,
 		"-h", "127.0.0.1",
 		"-p", "9851",
 		"-threads", strconv.Itoa(cfg.serverProcs),
 	}
 	for _, typ := range []driver.ProfileType{driver.ProfileCPU, driver.ProfileMem} {
 		if driver.ProfilingEnabled(typ) {
 			srvArgs = append(srvArgs, "-"+string(typ)+"profile", cfg.profilePath(typ))
 		}
 	}

 	// Start up the server.
 	srvCmd := exec.Command(cfg.serverBin, srvArgs...)
 	srvCmd.Env = append(os.Environ(),
 		fmt.Sprintf("GOMAXPROCS=%d", cfg.serverProcs),
 	)
 	srvCmd.Stdout = out
 	srvCmd.Stderr = out
 	if err := srvCmd.Start(); err != nil {
 		return nil, fmt.Errorf("failed to start server: %v", err)
 	}

 	testConnection := func() error {
 		c, err := redis.Dial("tcp", fmt.Sprintf("%s:%d", cfg.host, cfg.port))
 		if err != nil {
 			return err
 		}
 		defer c.Close()

 		// Starting in 1.26.1, Tile38 accepts connections before
 		// loading data, allowing commands OUTPUT, PING, and ECHO, but
 		// returning errors for all other commands until data finishes
 		// loading.
 		//
 		// We test a command that requires loaded data to ensure the
 		// server is truly ready.
 		_, err = c.Do("SERVER")
 		return err
 	}

 	// Poll until the server is ready to serve, up to 120 seconds.
 	var err error
 	start := time.Now()
 	for time.Now().Sub(start) < 120*time.Second {
 		err = testConnection()
 		if err == nil {
 			return srvCmd, nil
 		}
 		time.Sleep(2 * time.Second)
 	}
 	return nil, fmt.Errorf("timeout trying to connect to server: %v", err)
 }

 func runOne(bench benchmark, cfg *config) (err error) {
 	var buf bytes.Buffer

 	// Launch the server.
 	srvCmd, err := launchServer(cfg, &buf)
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "starting server: %v\n%s\n", err, &buf)
 		os.Exit(1)
 	}

 	// Clean up the server process after we're done.
 	defer func() {
 		if r := srvCmd.Process.Signal(os.Interrupt); r != nil {
 			if err == nil {
 				err = r
 			} else {
 				fmt.Fprintf(os.Stderr, "failed to shut down server: %v\n", r)
 			}
 			return
 		}
 		if _, r := srvCmd.Process.Wait(); r != nil {
 			if err == nil {
 				err = r
 			} else if r != nil {
 				fmt.Fprintf(os.Stderr, "failed to wait for server to exit: %v\n", r)
 			}
 			return
 		}
 		if buf.Len() != 0 {
 			fmt.Fprintln(os.Stderr, "=== Server stdout+stderr ===")
 			fmt.Fprintln(os.Stderr, buf.String())
 		}

 		// Now that the server is done, the profile should be complete and flushed.
 		// Copy it over.
 		for _, typ := range []driver.ProfileType{driver.ProfileCPU, driver.ProfileMem} {
 			if driver.ProfilingEnabled(typ) {
 				p, r := driver.ReadProfile(cfg.profilePath(typ))
 				if r != nil {
 					err = r
 					return
 				}
 				if r := driver.WriteProfile(p, typ, bench.name()); r != nil {
 					err = r
 					return
 				}
 			}
 		}
 	}()

 	rand.Seed(cfg.seed)
 	opts := []driver.RunOption{
 		driver.DoPeakRSS(true),
 		driver.DoPeakVM(true),
 		driver.DoDefaultAvgRSS(),
 		driver.DoCoreDump(true),
 		driver.BenchmarkPID(srvCmd.Process.Pid),
 		driver.DoPerf(true),
 	}
 	iters := 20 * 50000
 	if cfg.short {
 		iters = 1000
 	}
 	return driver.RunBenchmark(bench.name(), func(d *driver.B) error {
 		return bench.run(d, cfg.host, cfg.port, cfg.serverProcs, iters)
 	}, opts...)
 }

 func main() {
 	flag.Parse()
 	if flag.NArg() != 0 {
 		fmt.Fprintf(os.Stderr, "error: unexpected args\n")
 		os.Exit(1)
 	}
 	for _, typ := range driver.ProfileTypes {
 		cliCfg.isProfiling = cliCfg.isProfiling || driver.ProfilingEnabled(typ)
 	}
 	benchmarks := benchmarks
 	if cliCfg.short {
 		benchmarks = benchmarks[:1]
 	}
 	for _, bench := range benchmarks {
 		if err := runOne(bench, &cliCfg); err != nil {
 			fmt.Fprintf(os.Stderr, "error: %v\n", err)
 			os.Exit(1)
 		}
 	}
 }
	// Copyright 2021 The Go Authors. All rights reserved.
	// Use of this source code is governed by a BSD-style
	// license that can be found in the LICENSE file.

	package main

	import (
	"bytes"
	"context"
	"flag"
	"fmt"
	"io"
	"math/rand"
	"os"
	"os/exec"
	"path/filepath"
	"runtime"
	"sort"
	"strconv"
	"sync/atomic"
	"time"

	"golang.org/x/benchmarks/sweet/benchmarks/internal/driver"
	"golang.org/x/benchmarks/sweet/benchmarks/internal/pool"

	"github.com/gomodule/redigo/redis"
	)

	type config struct {
	host string
	port int
	seed int64
	serverBin string
	dataPath string
	tmpDir string
	serverProcs int
	isProfiling bool
	short bool
	}

	func (c *config) profilePath(typ driver.ProfileType) string {
	var fname string
	switch typ {
	case driver.ProfileCPU:
	fname = "cpu.prof"
	case driver.ProfileMem:
	fname = "mem.prof"
	case driver.ProfilePerf:
	fname = "perf.data"
	default:
	panic("unsupported profile type " + string(typ))
	}
	return filepath.Join(c.tmpDir, fname)
	}

	var cliCfg config

	func init() {
	driver.SetFlags(flag.CommandLine)
	flag.StringVar(&cliCfg.host, "host", "", "hostname of tile38 server")
	flag.IntVar(&cliCfg.port, "port", 9851, "port for tile38 server")
	flag.Int64Var(&cliCfg.seed, "seed", 0, "seed for PRNG")
	flag.StringVar(&cliCfg.serverBin, "server", "", "path to tile38 server binary")
	flag.StringVar(&cliCfg.dataPath, "data", "", "path to tile38 server data")
	flag.StringVar(&cliCfg.tmpDir, "tmp", "", "path to temporary directory")
	flag.BoolVar(&cliCfg.short, "short", false, "whether to run a short version of this benchmark")

	// Grab the number of procs we have and give ourselves only 1/4 of those.
	procs := runtime.GOMAXPROCS(-1)
	clientProcs := procs / 4
	if clientProcs == 0 {
	clientProcs = 1
	}
	serverProcs := procs - clientProcs
	if serverProcs == 0 {
	serverProcs = 1
	}
	runtime.GOMAXPROCS(clientProcs)
	cliCfg.serverProcs = serverProcs
	}

	type requestFunc func(redis.Conn, float64, float64) error

	func doWithinCircle(c redis.Conn, lat, lon float64) error {
	_, err := c.Do("WITHIN", "key:bench", "COUNT", "CIRCLE",
	strconv.FormatFloat(lat, 'f', 5, 64),
	strconv.FormatFloat(lon, 'f', 5, 64),
	"100000",
	)
	return err
	}

	func doIntersectsCircle(c redis.Conn, lat, lon float64) error {
	_, err := c.Do("INTERSECTS", "key:bench", "COUNT", "CIRCLE",
	strconv.FormatFloat(lat, 'f', 5, 64),
	strconv.FormatFloat(lon, 'f', 5, 64),
	"100000",
	)
	return err
	}

	func doNearby(c redis.Conn, lat, lon float64) error {
	_, err := c.Do("NEARBY", "key:bench", "LIMIT", "100", "COUNT", "POINT",
	strconv.FormatFloat(lat, 'f', 5, 64),
	strconv.FormatFloat(lon, 'f', 5, 64),
	)
	return err
	}

	func randPoint() (float64, float64) {
	return rand.Float64()180 - 90, rand.Float64()360 - 180
	}

	type worker struct {
	redis.Conn
	runner requestFunc
	iterCount *int64 // Accessed atomically.
	lat []time.Duration
	}

	func newWorker(host string, port int, req requestFunc, iterCount int64) (worker, error) {
	conn, err := redis.Dial("tcp", fmt.Sprintf("%s:%d", host, port))
	if err != nil {
	return nil, err
	}
	return &worker{
	Conn: conn,
	runner: req,
	iterCount: iterCount,
	lat: make([]time.Duration, 0, 100000),
	}, nil
	}

	func (w *worker) Run(_ context.Context) error {
	lat, lon := randPoint()
	start := time.Now()
	if err := w.runner(w.Conn, lat, lon); err != nil {
	return err
	}
	dur := time.Now().Sub(start)
	w.lat = append(w.lat, dur)
	if atomic.AddInt64(w.iterCount, -1) < 0 {
	return pool.Done
	}
	return nil
	}

	func (w *worker) Close() error {
	return w.Conn.Close()
	}

	type durSlice []time.Duration

	func (d durSlice) Len() int { return len(d) }
	func (d durSlice) Less(i, j int) bool { return d[i] < d[j] }
	func (d durSlice) Swap(i, j int) { d[i], d[j] = d[j], d[i] }

	type benchmark struct {
	sname string
	runner requestFunc
	}

	func (b *benchmark) name() string {
	return fmt.Sprintf("Tile38%sRequest", b.sname)
	}

	func (b benchmark) run(d driver.B, host string, port, clients int, iters int) error {
	workers := make([]pool.Worker, 0, clients)
	iterCount := int64(iters) // Shared atomic variable.
	for i := 0; i < clients; i++ {
	w, err := newWorker(host, port, b.runner, &iterCount)
	if err != nil {
	return err
	}
	workers = append(workers, w)
	}
	p := pool.New(context.Background(), workers)

	d.ResetTimer()
	if err := p.Run(); err != nil {
	return err
	}
	d.StopTimer()

	// Test is done, bring all latency measurements together.
	latencies := make([]time.Duration, 0, len(workers)*100000)
	for _, w := range workers {
	latencies = append(latencies, w.(*worker).lat...)
	}
	sort.Sort(durSlice(latencies))

	// Sort and report percentiles.
	p50 := latencies[len(latencies)*50/100]
	p90 := latencies[len(latencies)*90/100]
	p99 := latencies[len(latencies)*99/100]
	d.Report("p50-latency-ns", uint64(p50))
	d.Report("p90-latency-ns", uint64(p90))
	d.Report("p99-latency-ns", uint64(p99))

	// Report throughput.
	lengthS := float64(d.Elapsed()) / float64(time.Second)
	reqsPerSec := float64(len(latencies)) / lengthS
	d.Report("ops/s", uint64(reqsPerSec))

	// Report the average request latency.
	d.Ops(len(latencies))
	d.Report(driver.StatTime, uint64((int(d.Elapsed())*clients)/len(latencies)))
	return nil
	}

	var benchmarks = []benchmark{
	{"WithinCircle100km", doWithinCircle},
	{"IntersectsCircle100km", doIntersectsCircle},
	{"KNearestLimit100", doNearby},
	}

	func launchServer(cfg config, out io.Writer) (exec.Cmd, error) {
	// Set up arguments.
	srvArgs := []string{
	"-d", cfg.dataPath,
	"-h", "127.0.0.1",
	"-p", "9851",
	"-threads", strconv.Itoa(cfg.serverProcs),
	}
	for _, typ := range []driver.ProfileType{driver.ProfileCPU, driver.ProfileMem} {
	if driver.ProfilingEnabled(typ) {
	srvArgs = append(srvArgs, "-"+string(typ)+"profile", cfg.profilePath(typ))
	}
	}

	// Start up the server.
	srvCmd := exec.Command(cfg.serverBin, srvArgs...)
	srvCmd.Env = append(os.Environ(),
	fmt.Sprintf("GOMAXPROCS=%d", cfg.serverProcs),
	)
	srvCmd.Stdout = out
	srvCmd.Stderr = out
	if err := srvCmd.Start(); err != nil {
	return nil, fmt.Errorf("failed to start server: %v", err)
	}

	testConnection := func() error {
	c, err := redis.Dial("tcp", fmt.Sprintf("%s:%d", cfg.host, cfg.port))
	if err != nil {
	return err
	}
	defer c.Close()

	// Starting in 1.26.1, Tile38 accepts connections before
	// loading data, allowing commands OUTPUT, PING, and ECHO, but
	// returning errors for all other commands until data finishes
	// loading.
	//
	// We test a command that requires loaded data to ensure the
	// server is truly ready.
	_, err = c.Do("SERVER")
	return err
	}

	// Poll until the server is ready to serve, up to 120 seconds.
	var err error
	start := time.Now()
	for time.Now().Sub(start) < 120*time.Second {
	err = testConnection()
	if err == nil {
	return srvCmd, nil
	}
	time.Sleep(2 * time.Second)
	}
	return nil, fmt.Errorf("timeout trying to connect to server: %v", err)
	}

	func runOne(bench benchmark, cfg *config) (err error) {
	var buf bytes.Buffer

	// Launch the server.
	srvCmd, err := launchServer(cfg, &buf)
	if err != nil {
	fmt.Fprintf(os.Stderr, "starting server: %v\n%s\n", err, &buf)
	os.Exit(1)
	}

	// Clean up the server process after we're done.
	defer func() {
	if r := srvCmd.Process.Signal(os.Interrupt); r != nil {
	if err == nil {
	err = r
	} else {
	fmt.Fprintf(os.Stderr, "failed to shut down server: %v\n", r)
	}
	return
	}
	if _, r := srvCmd.Process.Wait(); r != nil {
	if err == nil {
	err = r
	} else if r != nil {
	fmt.Fprintf(os.Stderr, "failed to wait for server to exit: %v\n", r)
	}
	return
	}
	if buf.Len() != 0 {
	fmt.Fprintln(os.Stderr, "=== Server stdout+stderr ===")
	fmt.Fprintln(os.Stderr, buf.String())
	}

	// Now that the server is done, the profile should be complete and flushed.
	// Copy it over.
	for _, typ := range []driver.ProfileType{driver.ProfileCPU, driver.ProfileMem} {
	if driver.ProfilingEnabled(typ) {
	p, r := driver.ReadProfile(cfg.profilePath(typ))
	if r != nil {
	err = r
	return
	}
	if r := driver.WriteProfile(p, typ, bench.name()); r != nil {
	err = r
	return
	}
	}
	}
	}()

	rand.Seed(cfg.seed)
	opts := []driver.RunOption{
	driver.DoPeakRSS(true),
	driver.DoPeakVM(true),
	driver.DoDefaultAvgRSS(),
	driver.DoCoreDump(true),
	driver.BenchmarkPID(srvCmd.Process.Pid),
	driver.DoPerf(true),
	}
	iters := 20 * 50000
	if cfg.short {
	iters = 1000
	}
	return driver.RunBenchmark(bench.name(), func(d *driver.B) error {
	return bench.run(d, cfg.host, cfg.port, cfg.serverProcs, iters)
	}, opts...)
	}

	func main() {
	flag.Parse()
	if flag.NArg() != 0 {
	fmt.Fprintf(os.Stderr, "error: unexpected args\n")
	os.Exit(1)
	}
	for _, typ := range driver.ProfileTypes {
	cliCfg.isProfiling = cliCfg.isProfiling \|\| driver.ProfilingEnabled(typ)
	}
	benchmarks := benchmarks
	if cliCfg.short {
	benchmarks = benchmarks[:1]
	}
	for _, bench := range benchmarks {
	if err := runOne(bench, &cliCfg); err != nil {
	fmt.Fprintf(os.Stderr, "error: %v\n", err)
	os.Exit(1)
	}
	}
	}