Re: [Bitcoin-development] Request for review/testing: headers-first synchronization in Bitcoin Core

2014-10-12 Thread Gregory Maxwell
On Sat, Oct 11, 2014 at 11:34 PM, Pieter Wuille pieter.wui...@gmail.com wrote: * Parallel block downloading (much faster sync on typical network connections). Much faster is an understatement. Benchmarking here shows one hour five minutes syncing to 295000. Old code isn't even at 25

Re: [Bitcoin-development] Request for review/testing: headers-first synchronization in Bitcoin Core

2014-10-12 Thread Geir Harald Hansen
On 12.10.2014 01:34, Pieter Wuille wrote: * No orphan blocks stored in memory anymore (reducing memory usage during sync). Will this slow down reorgs after a fork, compared to today? Regards, Geir H. Hansen, Bitminter

Re: [Bitcoin-development] Request for review/testing: headers-first synchronization in Bitcoin Core

2014-10-12 Thread Luke Dashjr
On Sunday, October 12, 2014 8:41:29 AM Geir Harald Hansen wrote: On 12.10.2014 01:34, Pieter Wuille wrote: * No orphan blocks stored in memory anymore (reducing memory usage during sync). Will this slow down reorgs after a fork, compared to today? It shouldn't... he's talking about actual

Re: [Bitcoin-development] Request for review/testing: headers-first synchronization in Bitcoin Core

2014-10-12 Thread Wladimir
On Sun, Oct 12, 2014 at 10:41 AM, Geir Harald Hansen opera...@bitminter.com wrote: On 12.10.2014 01:34, Pieter Wuille wrote: * No orphan blocks stored in memory anymore (reducing memory usage during sync). Will this slow down reorgs after a fork, compared to today? Why would you think so?