149 lines
3.5 KiB
Go
149 lines
3.5 KiB
Go
package main
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import (
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"bytes"
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"fmt"
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"os"
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"syscall"
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"github.com/streadway/quantile"
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"github.com/urfave/cli/v2"
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"github.com/filecoin-project/go-state-types/exitcode"
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"github.com/ipfs/go-cid"
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"github.com/filecoin-project/lotus/chain/actors/builtin/miner"
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"github.com/filecoin-project/lotus/chain/stmgr"
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"github.com/filecoin-project/lotus/chain/types"
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"github.com/filecoin-project/lotus/cmd/lotus-sim/simulation"
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"github.com/filecoin-project/lotus/lib/stati"
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)
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var infoCommitGasSimCommand = &cli.Command{
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Name: "commit-gas",
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Description: "Output information about the gas for commits",
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Flags: []cli.Flag{
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&cli.Int64Flag{
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Name: "lookback",
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Value: 0,
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},
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},
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Action: func(cctx *cli.Context) (err error) {
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log := func(f string, i ...interface{}) {
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fmt.Fprintf(os.Stderr, f, i...)
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}
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node, err := open(cctx)
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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 cerr := node.Close(); err == nil {
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err = cerr
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}
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}()
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go profileOnSignal(cctx, syscall.SIGUSR2)
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sim, err := node.LoadSim(cctx.Context, cctx.String("simulation"))
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if err != nil {
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return err
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}
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var gasAgg, proofsAgg uint64
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var gasAggMax, proofsAggMax uint64
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var gasSingle, proofsSingle uint64
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qpoints := []struct{ q, tol float64 }{
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{0.01, 0.0005},
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{0.05, 0.001},
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{0.20, 0.01},
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{0.25, 0.01},
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{0.30, 0.01},
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{0.40, 0.01},
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{0.45, 0.01},
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{0.50, 0.01},
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{0.60, 0.01},
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{0.80, 0.01},
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{0.95, 0.001},
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{0.99, 0.0005},
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}
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estims := make([]quantile.Estimate, len(qpoints))
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for i, p := range qpoints {
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estims[i] = quantile.Known(p.q, p.tol)
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}
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qua := quantile.New(estims...)
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hist, err := stati.NewHistogram([]float64{
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1, 3, 5, 7, 15, 30, 50, 100, 200, 400, 600, 700, 819})
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if err != nil {
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return err
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}
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err = sim.Walk(cctx.Context, cctx.Int64("lookback"), func(
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sm *stmgr.StateManager, ts *types.TipSet, stCid cid.Cid,
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messages []*simulation.AppliedMessage,
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) error {
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for _, m := range messages {
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if m.ExitCode != exitcode.Ok {
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continue
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}
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if m.Method == miner.Methods.ProveCommitAggregate {
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param := miner.ProveCommitAggregateParams{}
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err := param.UnmarshalCBOR(bytes.NewReader(m.Params))
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if err != nil {
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log("failed to decode params: %+v", err)
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return nil
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}
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c, err := param.SectorNumbers.Count()
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if err != nil {
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log("failed to count sectors")
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return nil
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}
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gasAgg += uint64(m.GasUsed)
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proofsAgg += c
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if c == 819 {
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gasAggMax += uint64(m.GasUsed)
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proofsAggMax += c
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}
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for i := uint64(0); i < c; i++ {
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qua.Add(float64(c))
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}
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hist.Observe(float64(c))
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}
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if m.Method == miner.Methods.ProveCommitSector {
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gasSingle += uint64(m.GasUsed)
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proofsSingle++
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qua.Add(1)
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hist.Observe(1)
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}
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}
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return nil
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})
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if err != nil {
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return err
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}
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idealGassUsed := float64(gasAggMax) / float64(proofsAggMax) * float64(proofsAgg+proofsSingle)
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fmt.Printf("Gas usage efficiency in comparison to all 819: %f%%\n", 100*idealGassUsed/float64(gasAgg+gasSingle))
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fmt.Printf("Proofs in singles: %d\n", proofsSingle)
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fmt.Printf("Proofs in Aggs: %d\n", proofsAgg)
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fmt.Printf("Proofs in Aggs(819): %d\n", proofsAggMax)
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fmt.Println()
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fmt.Println("Quantiles of proofs in given aggregate size:")
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for _, p := range qpoints {
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fmt.Printf("%.0f%%\t%.0f\n", p.q*100, qua.Get(p.q))
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}
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fmt.Println()
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fmt.Println("Histogram of messages:")
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fmt.Printf("Total\t%d\n", hist.Total())
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for i, b := range hist.Buckets[1:] {
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fmt.Printf("%.0f\t%d\n", b, hist.Get(i))
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}
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return nil
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},
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}
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