425 lines
11 KiB
Go
425 lines
11 KiB
Go
package main
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import (
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"context"
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"crypto/sha256"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"math/big"
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"math/rand"
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"os"
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"path/filepath"
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"time"
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"github.com/docker/go-units"
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paramfetch "github.com/filecoin-project/go-paramfetch"
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"github.com/filecoin-project/specs-actors/actors/abi"
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"github.com/ipfs/go-datastore"
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logging "github.com/ipfs/go-log/v2"
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"github.com/mitchellh/go-homedir"
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"golang.org/x/xerrors"
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"gopkg.in/urfave/cli.v2"
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"github.com/filecoin-project/go-address"
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"github.com/filecoin-project/go-sectorbuilder"
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lapi "github.com/filecoin-project/lotus/api"
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"github.com/filecoin-project/lotus/build"
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"github.com/filecoin-project/lotus/chain/types"
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"github.com/filecoin-project/lotus/genesis"
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)
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var log = logging.Logger("lotus-bench")
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type BenchResults struct {
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SectorSize abi.SectorSize
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SealingResults []SealingResult
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PostGenerateCandidates time.Duration
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PostEProofCold time.Duration
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PostEProofHot time.Duration
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VerifyEPostCold time.Duration
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VerifyEPostHot time.Duration
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}
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type SealingResult struct {
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AddPiece time.Duration
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PreCommit time.Duration
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Commit time.Duration
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Verify time.Duration
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Unseal time.Duration
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}
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func main() {
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logging.SetLogLevel("*", "INFO")
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log.Info("Starting lotus-bench")
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build.SectorSizes = append(build.SectorSizes, 2048)
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app := &cli.App{
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Name: "lotus-bench",
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Usage: "Benchmark performance of lotus on your hardware",
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Version: build.UserVersion,
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Flags: []cli.Flag{
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&cli.StringFlag{
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Name: "storage-dir",
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Value: "~/.lotus-bench",
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Usage: "Path to the storage directory that will store sectors long term",
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},
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&cli.StringFlag{
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Name: "sector-size",
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Value: "1GiB",
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Usage: "size of the sectors in bytes, i.e. 32GiB",
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},
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&cli.BoolFlag{
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Name: "no-gpu",
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Usage: "disable gpu usage for the benchmark run",
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},
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&cli.StringFlag{
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Name: "miner-addr",
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Usage: "pass miner address (only necessary if using existing sectorbuilder)",
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Value: "t0101",
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},
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&cli.StringFlag{
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Name: "benchmark-existing-sectorbuilder",
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Usage: "pass a directory to run election-post timings on an existing sectorbuilder",
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},
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&cli.BoolFlag{
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Name: "json-out",
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Usage: "output results in json format",
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},
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&cli.BoolFlag{
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Name: "skip-unseal",
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Usage: "skip the unseal portion of the benchmark",
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},
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},
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Action: func(c *cli.Context) error {
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if c.Bool("no-gpu") {
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os.Setenv("BELLMAN_NO_GPU", "1")
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}
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robench := c.String("benchmark-existing-sectorbuilder")
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var sbdir string
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if robench == "" {
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sdir, err := homedir.Expand(c.String("storage-dir"))
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if err != nil {
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return err
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}
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os.MkdirAll(sdir, 0775)
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tsdir, err := ioutil.TempDir(sdir, "bench")
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if err != nil {
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return err
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}
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defer func() {
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if err := os.RemoveAll(tsdir); err != nil {
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log.Warn("remove all: ", err)
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}
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}()
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sbdir = tsdir
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} else {
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exp, err := homedir.Expand(robench)
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if err != nil {
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return err
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}
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sbdir = exp
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}
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maddr, err := address.NewFromString(c.String("miner-addr"))
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if err != nil {
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return err
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}
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sectorSizeInt, err := units.RAMInBytes(c.String("sector-size"))
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if err != nil {
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return err
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}
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sectorSize := abi.SectorSize(sectorSizeInt)
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ppt, spt, err := lapi.ProofTypeFromSectorSize(sectorSize)
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if err != nil {
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return err
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}
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mds := datastore.NewMapDatastore()
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cfg := §orbuilder.Config{
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Miner: maddr,
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SealProofType: spt,
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PoStProofType: ppt,
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WorkerThreads: 2,
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Paths: sectorbuilder.SimplePath(sbdir),
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}
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if robench == "" {
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if err := os.MkdirAll(sbdir, 0775); err != nil {
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return err
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}
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}
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if err := paramfetch.GetParams(build.ParametersJson(), uint64(sectorSize)); err != nil {
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return xerrors.Errorf("getting params: %w", err)
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}
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sb, err := sectorbuilder.New(cfg, mds)
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if err != nil {
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return err
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}
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amid, err := address.IDFromAddress(maddr)
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if err != nil {
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return err
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}
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mid := abi.ActorID(amid)
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var sealTimings []SealingResult
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var sealedSectors []abi.SectorInfo
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numSectors := abi.SectorNumber(1)
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for i := abi.SectorNumber(1); i <= numSectors && robench == ""; i++ {
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start := time.Now()
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log.Info("Writing piece into sector...")
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r := rand.New(rand.NewSource(100 + int64(i)))
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pi, err := sb.AddPiece(context.TODO(), abi.PaddedPieceSize(sectorSize).Unpadded(), i, r, nil)
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if err != nil {
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return err
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}
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addpiece := time.Now()
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trand := sha256.Sum256([]byte(c.String("ticket-preimage")))
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ticket := abi.SealRandomness(trand[:])
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log.Info("Running replication...")
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pieces := []abi.PieceInfo{pi}
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commR, commD, err := sb.SealPreCommit(context.TODO(), i, ticket, pieces)
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if err != nil {
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return xerrors.Errorf("commit: %w", err)
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}
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precommit := time.Now()
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sealedSectors = append(sealedSectors, abi.SectorInfo{
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RegisteredProof: ppt,
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SectorNumber: i,
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SealedCID: commR,
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})
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seed := lapi.SealSeed{
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Epoch: 101,
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Value: []byte{1, 2, 3, 4, 5},
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}
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log.Info("Generating PoRep for sector")
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proof, err := sb.SealCommit(context.TODO(), i, ticket, seed.Value, pieces, commR, commD)
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if err != nil {
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return err
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}
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sealcommit := time.Now()
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svi := abi.SealVerifyInfo{
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SectorID: abi.SectorID{Miner: abi.ActorID(mid), Number: i},
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OnChain: abi.OnChainSealVerifyInfo{
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SealedCID: commR,
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InteractiveEpoch: seed.Epoch,
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RegisteredProof: ppt,
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Proof: proof,
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DealIDs: nil,
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SectorNumber: i,
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SealRandEpoch: 0,
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},
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Randomness: ticket,
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InteractiveRandomness: seed.Value,
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UnsealedCID: commD,
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}
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ok, err := sectorbuilder.ProofVerifier.VerifySeal(svi)
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if err != nil {
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return err
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}
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if !ok {
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return xerrors.Errorf("porep proof for sector %d was invalid", i)
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}
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verifySeal := time.Now()
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if !c.Bool("skip-unseal") {
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log.Info("Unsealing sector")
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rc, err := sb.ReadPieceFromSealedSector(context.TODO(), 1, 0, abi.UnpaddedPieceSize(sectorSize), ticket, commD)
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if err != nil {
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return err
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}
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if err := rc.Close(); err != nil {
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return err
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}
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}
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unseal := time.Now()
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sealTimings = append(sealTimings, SealingResult{
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AddPiece: addpiece.Sub(start),
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PreCommit: precommit.Sub(addpiece),
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Commit: sealcommit.Sub(precommit),
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Verify: verifySeal.Sub(sealcommit),
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Unseal: unseal.Sub(verifySeal),
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})
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}
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beforePost := time.Now()
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var challenge [32]byte
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rand.Read(challenge[:])
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if robench != "" {
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// TODO: this assumes we only ever benchmark a preseal
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// sectorbuilder directory... we need a better way to handle
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// this in other cases
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fdata, err := ioutil.ReadFile(filepath.Join(sbdir, "pre-seal-"+maddr.String()+".json"))
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if err != nil {
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return err
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}
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var genmm map[string]genesis.Miner
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if err := json.Unmarshal(fdata, &genmm); err != nil {
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return err
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}
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genm, ok := genmm[maddr.String()]
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if !ok {
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return xerrors.Errorf("preseal file didnt have expected miner in it")
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}
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for _, s := range genm.Sectors {
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sealedSectors = append(sealedSectors, abi.SectorInfo{
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SealedCID: s.CommR,
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SectorNumber: s.SectorID,
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})
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}
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}
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log.Info("generating election post candidates")
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fcandidates, err := sb.GenerateEPostCandidates(sealedSectors, abi.PoStRandomness(challenge[:]), []abi.SectorNumber{})
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if err != nil {
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return err
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}
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var candidates []abi.PoStCandidate
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for _, c := range fcandidates {
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candidates = append(candidates, c.Candidate)
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}
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gencandidates := time.Now()
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log.Info("computing election post snark (cold)")
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proof1, err := sb.ComputeElectionPoSt(sealedSectors, challenge[:], candidates[:1])
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if err != nil {
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return err
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}
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epost1 := time.Now()
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log.Info("computing election post snark (hot)")
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proof2, err := sb.ComputeElectionPoSt(sealedSectors, challenge[:], candidates[:1])
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if err != nil {
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return err
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}
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epost2 := time.Now()
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ccount := sectorbuilder.ElectionPostChallengeCount(uint64(len(sealedSectors)), 0)
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pvi1 := abi.PoStVerifyInfo{
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Randomness: abi.PoStRandomness(challenge[:]),
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Candidates: candidates[:1],
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Proofs: proof1,
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EligibleSectors: sealedSectors,
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Prover: abi.ActorID(mid),
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ChallengeCount: ccount,
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}
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ok, err := sectorbuilder.ProofVerifier.VerifyElectionPost(context.TODO(), pvi1)
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if err != nil {
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return err
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}
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if !ok {
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log.Error("post verification failed")
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}
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verifypost1 := time.Now()
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pvi2 := abi.PoStVerifyInfo{
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Randomness: abi.PoStRandomness(challenge[:]),
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Candidates: candidates[:1],
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Proofs: proof2,
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EligibleSectors: sealedSectors,
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Prover: abi.ActorID(mid),
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ChallengeCount: ccount,
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}
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ok, err = sectorbuilder.ProofVerifier.VerifyElectionPost(context.TODO(), pvi2)
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if err != nil {
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return err
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}
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if !ok {
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log.Error("post verification failed")
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}
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verifypost2 := time.Now()
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bo := BenchResults{
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SectorSize: sectorSize,
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SealingResults: sealTimings,
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PostGenerateCandidates: gencandidates.Sub(beforePost),
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PostEProofCold: epost1.Sub(gencandidates),
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PostEProofHot: epost2.Sub(epost1),
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VerifyEPostCold: verifypost1.Sub(epost2),
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VerifyEPostHot: verifypost2.Sub(verifypost1),
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} // TODO: optionally write this as json to a file
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if c.Bool("json-out") {
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data, err := json.MarshalIndent(bo, "", " ")
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if err != nil {
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return err
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}
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fmt.Println(string(data))
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} else {
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fmt.Printf("results (%d)\n", sectorSize)
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if robench == "" {
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fmt.Printf("seal: addPiece: %s (%s)\n", bo.SealingResults[0].AddPiece, bps(bo.SectorSize, bo.SealingResults[0].AddPiece)) // TODO: average across multiple sealings
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fmt.Printf("seal: preCommit: %s (%s)\n", bo.SealingResults[0].PreCommit, bps(bo.SectorSize, bo.SealingResults[0].PreCommit))
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fmt.Printf("seal: commit: %s (%s)\n", bo.SealingResults[0].Commit, bps(bo.SectorSize, bo.SealingResults[0].Commit))
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fmt.Printf("seal: verify: %s\n", bo.SealingResults[0].Verify)
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if !c.Bool("skip-unseal") {
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fmt.Printf("unseal: %s (%s)\n", bo.SealingResults[0].Unseal, bps(bo.SectorSize, bo.SealingResults[0].Unseal))
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}
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}
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fmt.Printf("generate candidates: %s (%s)\n", bo.PostGenerateCandidates, bps(bo.SectorSize*abi.SectorSize(len(bo.SealingResults)), bo.PostGenerateCandidates))
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fmt.Printf("compute epost proof (cold): %s\n", bo.PostEProofCold)
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fmt.Printf("compute epost proof (hot): %s\n", bo.PostEProofHot)
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fmt.Printf("verify epost proof (cold): %s\n", bo.VerifyEPostCold)
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fmt.Printf("verify epost proof (hot): %s\n", bo.VerifyEPostHot)
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}
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return nil
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},
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}
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if err := app.Run(os.Args); err != nil {
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log.Warn(err)
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return
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}
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}
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func bps(data abi.SectorSize, d time.Duration) string {
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bdata := new(big.Int).SetUint64(uint64(data))
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bdata = bdata.Mul(bdata, big.NewInt(time.Second.Nanoseconds()))
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bps := bdata.Div(bdata, big.NewInt(d.Nanoseconds()))
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return types.SizeStr(types.BigInt{bps}) + "/s"
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}
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