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core: exit prefetch just after block processed #31903

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core: exit prefetch just after block processed #31903

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3 changes: 2 additions & 1 deletion core/blockchain.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1912,7 +1912,6 @@ func (bc *BlockChain) processBlock(parentRoot common.Hash, block *types.Block, s
statedb *state.StateDB
interrupt atomic.Bool
)
defer interrupt.Store(true) // terminate the prefetch at the end

if bc.cacheConfig.TrieCleanNoPrefetch {
statedb, err = state.New(parentRoot, bc.statedb)
Expand Down Expand Up @@ -1984,6 +1983,8 @@ func (bc *BlockChain) processBlock(parentRoot common.Hash, block *types.Block, s
// Process block using the parent state as reference point
pstart := time.Now()
res, err := bc.processor.Process(block, statedb, bc.vmConfig)
// Terminate the prefetch immediately after the block has been processed
interrupt.Store(true)
if err != nil {
bc.reportBlock(block, res, err)
return nil, err
Expand Down