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info_commit.go
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/
info_commit.go
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package main
import (
"bytes"
"fmt"
"os"
"syscall"
"github.com/ipfs/go-cid"
"github.com/koalacxr/quantile"
"github.com/urfave/cli/v2"
"github.com/filecoin-project/go-state-types/builtin"
minertypes "github.com/filecoin-project/go-state-types/builtin/v8/miner"
"github.com/filecoin-project/go-state-types/exitcode"
"github.com/filecoin-project/lotus/chain/stmgr"
"github.com/filecoin-project/lotus/chain/types"
"github.com/filecoin-project/lotus/cmd/lotus-sim/simulation"
"github.com/filecoin-project/lotus/lib/stati"
)
var infoCommitGasSimCommand = &cli.Command{
Name: "commit-gas",
Description: "Output information about the gas for commits",
Flags: []cli.Flag{
&cli.Int64Flag{
Name: "lookback",
Value: 0,
},
},
Action: func(cctx *cli.Context) (err error) {
log := func(f string, i ...interface{}) {
fmt.Fprintf(os.Stderr, f, i...)
}
node, err := open(cctx)
if err != nil {
return err
}
defer func() {
if cerr := node.Close(); err == nil {
err = cerr
}
}()
go profileOnSignal(cctx, syscall.SIGUSR2)
sim, err := node.LoadSim(cctx.Context, cctx.String("simulation"))
if err != nil {
return err
}
var gasAgg, proofsAgg uint64
var gasAggMax, proofsAggMax uint64
var gasSingle, proofsSingle uint64
qpoints := []struct{ q, tol float64 }{
{0.01, 0.0005},
{0.05, 0.001},
{0.20, 0.01},
{0.25, 0.01},
{0.30, 0.01},
{0.40, 0.01},
{0.45, 0.01},
{0.50, 0.01},
{0.60, 0.01},
{0.80, 0.01},
{0.95, 0.001},
{0.99, 0.0005},
}
estims := make([]quantile.Estimate, len(qpoints))
for i, p := range qpoints {
estims[i] = quantile.Known(p.q, p.tol)
}
qua := quantile.New(estims...)
hist, err := stati.NewHistogram([]float64{
1, 3, 5, 7, 15, 30, 50, 100, 200, 400, 600, 700, 819})
if err != nil {
return err
}
err = sim.Walk(cctx.Context, cctx.Int64("lookback"), func(
sm *stmgr.StateManager, ts *types.TipSet, stCid cid.Cid,
messages []*simulation.AppliedMessage,
) error {
for _, m := range messages {
if m.ExitCode != exitcode.Ok {
continue
}
if m.Method == builtin.MethodsMiner.ProveCommitAggregate {
param := minertypes.ProveCommitAggregateParams{}
err := param.UnmarshalCBOR(bytes.NewReader(m.Params))
if err != nil {
log("failed to decode params: %+v", err)
return nil
}
c, err := param.SectorNumbers.Count()
if err != nil {
log("failed to count sectors")
return nil
}
gasAgg += uint64(m.GasUsed)
proofsAgg += c
if c == 819 {
gasAggMax += uint64(m.GasUsed)
proofsAggMax += c
}
for i := uint64(0); i < c; i++ {
qua.Add(float64(c))
}
hist.Observe(float64(c))
}
if m.Method == builtin.MethodsMiner.ProveCommitSector {
gasSingle += uint64(m.GasUsed)
proofsSingle++
qua.Add(1)
hist.Observe(1)
}
}
return nil
})
if err != nil {
return err
}
idealGassUsed := float64(gasAggMax) / float64(proofsAggMax) * float64(proofsAgg+proofsSingle)
fmt.Printf("Gas usage efficiency in comparison to all 819: %f%%\n", 100*idealGassUsed/float64(gasAgg+gasSingle))
fmt.Printf("Proofs in singles: %d\n", proofsSingle)
fmt.Printf("Proofs in Aggs: %d\n", proofsAgg)
fmt.Printf("Proofs in Aggs(819): %d\n", proofsAggMax)
fmt.Println()
fmt.Println("Quantiles of proofs in given aggregate size:")
for _, p := range qpoints {
fmt.Printf("%.0f%%\t%.0f\n", p.q*100, qua.Get(p.q))
}
fmt.Println()
fmt.Println("Histogram of messages:")
fmt.Printf("Total\t%d\n", hist.Total())
for i, b := range hist.Buckets[1:] {
fmt.Printf("%.0f\t%d\n", b, hist.Get(i))
}
return nil
},
}