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cmd, consensus: add option to disable mmap for DAG caches/datasets (#20484)

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* cmd, consensus: add option to disable mmap for DAG caches/datasets

* consensus: add benchmarks for mmap with/with lock
This commit is contained in:
Hanjiang Yu
2020-03-31 16:44:04 +08:00
committed by GitHub
parent 76eed9e50d
commit 8f05cfa122
8 changed files with 108 additions and 48 deletions
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14
eth/backend.go
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@ -266,12 +266,14 @@ func CreateConsensusEngine(ctx *node.ServiceContext, chainConfig *params.ChainCo
return ethash.NewShared()
default:
engine := ethash.New(ethash.Config{
CacheDir: ctx.ResolvePath(config.CacheDir),
CachesInMem: config.CachesInMem,
CachesOnDisk: config.CachesOnDisk,
DatasetDir: config.DatasetDir,
DatasetsInMem: config.DatasetsInMem,
DatasetsOnDisk: config.DatasetsOnDisk,
CacheDir: ctx.ResolvePath(config.CacheDir),
CachesInMem: config.CachesInMem,
CachesOnDisk: config.CachesOnDisk,
CachesLockMmap: config.CachesLockMmap,
DatasetDir: config.DatasetDir,
DatasetsInMem: config.DatasetsInMem,
DatasetsOnDisk: config.DatasetsOnDisk,
DatasetsLockMmap: config.DatasetsLockMmap,
}, notify, noverify)
engine.SetThreads(-1) // Disable CPU mining
return engine