miner: optimize SelectMessages
This commit is contained in:
Łukasz Magiera
parent
f86a2ced06
commit
b90666b293
@ -166,7 +166,7 @@ func (e *Events) listenHeadChangesOnce(ctx context.Context) error {
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}
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// sync with fake chainstore (for tests)
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if fcs, ok := e.api.(interface{notifDone()}); ok {
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if fcs, ok := e.api.(interface{ notifDone() }); ok {
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fcs.notifDone()
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}
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}
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@ -262,6 +262,8 @@ func (m *Miner) mineOne(ctx context.Context, base *MiningBase) (*types.BlockMsg,
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return nil, nil
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}
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tMBI := time.Now()
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beaconPrev := mbi.PrevBeaconEntry
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bvals, err := beacon.BeaconEntriesForBlock(ctx, m.beacon, round, beaconPrev)
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@ -269,6 +271,8 @@ func (m *Miner) mineOne(ctx context.Context, base *MiningBase) (*types.BlockMsg,
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return nil, xerrors.Errorf("get beacon entries failed: %w", err)
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}
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tDrand := time.Now()
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hasPower, err := m.hasPower(ctx, m.address, base.TipSet)
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if err != nil {
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return nil, xerrors.Errorf("checking if miner is slashed: %w", err)
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@ -279,6 +283,8 @@ func (m *Miner) mineOne(ctx context.Context, base *MiningBase) (*types.BlockMsg,
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return nil, nil
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}
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tPowercheck := time.Now()
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log.Infof("Time delta between now and our mining base: %ds (nulls: %d)", uint64(time.Now().Unix())-base.TipSet.MinTimestamp(), base.NullRounds)
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rbase := beaconPrev
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@ -301,6 +307,8 @@ func (m *Miner) mineOne(ctx context.Context, base *MiningBase) (*types.BlockMsg,
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return nil, nil
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}
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tTicket := time.Now()
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buf := new(bytes.Buffer)
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if err := m.address.MarshalCBOR(buf); err != nil {
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return nil, xerrors.Errorf("failed to marshal miner address: %w", err)
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@ -313,6 +321,8 @@ func (m *Miner) mineOne(ctx context.Context, base *MiningBase) (*types.BlockMsg,
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prand := abi.PoStRandomness(rand)
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tSeed := time.Now()
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postProof, err := m.epp.ComputeProof(ctx, mbi.Sectors, prand)
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if err != nil {
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return nil, xerrors.Errorf("failed to compute winning post proof: %w", err)
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@ -324,16 +334,27 @@ func (m *Miner) mineOne(ctx context.Context, base *MiningBase) (*types.BlockMsg,
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return nil, xerrors.Errorf("failed to get pending messages: %w", err)
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}
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tPending := time.Now()
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// TODO: winning post proof
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b, err := m.createBlock(base, m.address, ticket, winner, bvals, postProof, pending)
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if err != nil {
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return nil, xerrors.Errorf("failed to create block: %w", err)
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}
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dur := time.Since(start)
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tCreateBlock := time.Now()
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dur := tCreateBlock.Sub(start)
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log.Infow("mined new block", "cid", b.Cid(), "height", b.Header.Height, "took", dur)
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if dur > time.Second*build.BlockDelay {
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log.Warn("CAUTION: block production took longer than the block delay. Your computer may not be fast enough to keep up")
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log.Warnw("tMinerBaseInfo ", "duration", tMBI.Sub(start))
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log.Warnw("tDrand ", "duration", tDrand.Sub(tMBI))
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log.Warnw("tPowercheck ", "duration", tPowercheck.Sub(tDrand))
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log.Warnw("tTicket ", "duration", tTicket.Sub(tPowercheck))
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log.Warnw("tSeed ", "duration", tSeed.Sub(tTicket))
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log.Warnw("tPending ", "duration", tPending.Sub(tSeed))
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log.Warnw("tCreateBlock ", "duration", tCreateBlock.Sub(tPending))
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}
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return b, nil
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@ -403,6 +424,34 @@ func (m *Miner) createBlock(base *MiningBase, addr address.Address, ticket *type
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})
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}
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type actCacheEntry struct {
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act *types.Actor
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err error
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}
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type cachedActorLookup struct {
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tsk types.TipSetKey
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cache map[address.Address]actCacheEntry
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fallback ActorLookup
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}
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func (c *cachedActorLookup) StateGetActor(ctx context.Context, a address.Address, tsk types.TipSetKey) (*types.Actor, error) {
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if c.tsk == tsk {
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e, has := c.cache[a]
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if has {
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return e.act, e.err
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}
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}
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e, err := c.fallback(ctx, a, tsk)
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if c.tsk == tsk {
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c.cache[a] = actCacheEntry{
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act: e, err: err,
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}
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}
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return e, err
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}
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type ActorLookup func(context.Context, address.Address, types.TipSetKey) (*types.Actor, error)
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func countFrom(msgs []*types.SignedMessage, from address.Address) (out int) {
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@ -415,12 +464,26 @@ func countFrom(msgs []*types.SignedMessage, from address.Address) (out int) {
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}
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func SelectMessages(ctx context.Context, al ActorLookup, ts *types.TipSet, msgs []*types.SignedMessage) ([]*types.SignedMessage, error) {
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al = (&cachedActorLookup{
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tsk: ts.Key(),
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cache: map[address.Address]actCacheEntry{},
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fallback: al,
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}).StateGetActor
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out := make([]*types.SignedMessage, 0, build.BlockMessageLimit)
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inclNonces := make(map[address.Address]uint64)
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inclBalances := make(map[address.Address]types.BigInt)
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inclCount := make(map[address.Address]int)
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tooLowFundMsgs := 0
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tooHighNonceMsgs := 0
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start := time.Now()
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vmValid := time.Duration(0)
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getbal := time.Duration(0)
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for _, msg := range msgs {
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vmstart := time.Now()
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minGas := vm.PricelistByEpoch(ts.Height()).OnChainMessage(msg.ChainLength()) // TODO: really should be doing just msg.ChainLength() but the sync side of this code doesnt seem to have access to that
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if err := msg.VMMessage().ValidForBlockInclusion(minGas); err != nil {
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@ -428,6 +491,8 @@ func SelectMessages(ctx context.Context, al ActorLookup, ts *types.TipSet, msgs
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continue
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}
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vmValid += time.Since(vmstart)
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// TODO: this should be in some more general 'validate message' call
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if msg.Message.GasLimit > build.BlockGasLimit {
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log.Warnf("message in mempool had too high of a gas limit (%d)", msg.Message.GasLimit)
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@ -441,6 +506,7 @@ func SelectMessages(ctx context.Context, al ActorLookup, ts *types.TipSet, msgs
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from := msg.Message.From
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getBalStart := time.Now()
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if _, ok := inclNonces[from]; !ok {
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act, err := al(ctx, from, ts.Key())
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if err != nil {
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@ -451,14 +517,16 @@ func SelectMessages(ctx context.Context, al ActorLookup, ts *types.TipSet, msgs
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inclNonces[from] = act.Nonce
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inclBalances[from] = act.Balance
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}
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getbal += time.Since(getBalStart)
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if inclBalances[from].LessThan(msg.Message.RequiredFunds()) {
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log.Warnf("message in mempool does not have enough funds: %s", msg.Cid())
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tooLowFundMsgs++
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// todo: drop from mpool
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continue
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}
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if msg.Message.Nonce > inclNonces[from] {
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log.Debugf("message in mempool has too high of a nonce (%d > %d, from %s, inclcount %d) %s (%d pending for orig)", msg.Message.Nonce, inclNonces[from], from, inclCount[from], msg.Cid(), countFrom(msgs, from))
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tooHighNonceMsgs++
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continue
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}
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@ -476,5 +544,23 @@ func SelectMessages(ctx context.Context, al ActorLookup, ts *types.TipSet, msgs
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break
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}
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}
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if tooLowFundMsgs > 0 {
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log.Warnf("%d messages in mempool does not have enough funds", tooLowFundMsgs)
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}
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if tooHighNonceMsgs > 0 {
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log.Warnf("%d messages in mempool had too high nonce", tooLowFundMsgs)
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}
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sm := time.Now()
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if sm.Sub(start) > time.Second {
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log.Warnw("SelectMessages took a long time",
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"duration", sm.Sub(start),
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"vmvalidate", vmValid,
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"getbalance", getbal,
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"msgs", len(msgs))
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}
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return out, nil
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}
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