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eth: improve prefetch by using cached reader #3445

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Merged
zzzckck merged 2 commits into from
Nov 25, 2025
Merged

eth: improve prefetch by using cached reader #3445

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32d50f5
eth: improve prefetch by using cached reader
flywukong Nov 12, 2025
d3e91a6
revert the copyDoPrefetch
flywukong Nov 19, 2025
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2 changes: 1 addition & 1 deletion core/state_prefetcher.go
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Original file line number Diff line number Diff line change
Expand Up @@ -66,7 +66,7 @@ func (p *statePrefetcher) Prefetch(transactions types.Transactions, header *type

// Iterate over and process the individual transactions
for i, tx := range transactions {
stateCpy := statedb.CopyDoPrefetch() // closure
stateCpy := statedb.CopyDoPrefetch()
workers.Go(func() error {
// If block precaching was interrupted, abort
if interrupt != nil && interrupt.Load() {
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3 changes: 1 addition & 2 deletions miner/bid_simulator.go
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Expand Up @@ -771,8 +771,7 @@ func (b *bidSimulator) simBid(interruptCh chan int32, bidRuntime *BidRuntime) {
if len(bidRuntime.bid.Txs) > prefetchTxNumber {
var interrupt atomic.Bool
defer interrupt.Store(true) // terminate the prefetch at the end
// TODO(Nathan): use ReadersWithCacheStats to accelerate
throwaway := bidRuntime.env.state.CopyDoPrefetch()
throwaway := bidRuntime.env.state.StateForPrefetch()
// Disable tracing for prefetcher executions.
vmCfg := *b.chain.GetVMConfig()
vmCfg.Tracer = nil
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