* [bitcoin-dev] Bitcoin network simulation testing? @ 2015-10-04 21:04 Byron Gibson 2015-10-06 20:14 ` naama.kates 0 siblings, 1 reply; 5+ messages in thread From: Byron Gibson @ 2015-10-04 21:04 UTC (permalink / raw) To: bitcoin-dev [-- Attachment #1: Type: text/plain, Size: 291 bytes --] Hi all, is anyone using simulators like Shadow (https://shadow.github.io), BTCSim (https://github.com/btcsuite/btcsim), etc. to test proposed changes to Bitcoin? I have a few questions about their capabilities and limitations. Byron Gibson http://mirror.co/ https://keybase.io/byrongibson [-- Attachment #2: Type: text/html, Size: 536 bytes --] ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [bitcoin-dev] Bitcoin network simulation testing? 2015-10-04 21:04 [bitcoin-dev] Bitcoin network simulation testing? Byron Gibson @ 2015-10-06 20:14 ` naama.kates 2015-10-06 21:00 ` Andrew Miller 0 siblings, 1 reply; 5+ messages in thread From: naama.kates @ 2015-10-06 20:14 UTC (permalink / raw) To: Byron Gibson; +Cc: bitcoin-dev [-- Attachment #1: Type: text/plain, Size: 1260 bytes --] Hi Byron, I've been using shadow a bit-- I think these simulators are important for testing, but Shadow, at least, certainly seems to have limitations, in some crucial respects. Running shadow w Tor (which is only logical, because many BCT transactions transpire over Tor) is not as 'light' as presented and slows my own box down quite a bit, so the stats can't possibly be accurate... I don't know if this answers any questions or if you've had this experience at all -- perhaps it is negligible on a more powerful machine than my own-- or perhaps there is an adjustment still unaccounted? Regards, Nina K Sent from my iPhone > On Oct 4, 2015, at 2:04 PM, Byron Gibson via bitcoin-dev <bitcoin-dev@lists•linuxfoundation.org> wrote: > > Hi all, is anyone using simulators like Shadow (https://shadow.github.io), BTCSim (https://github.com/btcsuite/btcsim), etc. to test proposed changes to Bitcoin? I have a few questions about their capabilities and limitations. > > Byron Gibson > http://mirror.co/ > https://keybase.io/byrongibson > > > > _______________________________________________ > bitcoin-dev mailing list > bitcoin-dev@lists•linuxfoundation.org > https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev [-- Attachment #2: Type: text/html, Size: 2053 bytes --] ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [bitcoin-dev] Bitcoin network simulation testing? 2015-10-06 20:14 ` naama.kates @ 2015-10-06 21:00 ` Andrew Miller 2015-10-09 17:11 ` Byron Gibson 0 siblings, 1 reply; 5+ messages in thread From: Andrew Miller @ 2015-10-06 21:00 UTC (permalink / raw) To: naama.kates; +Cc: bitcoin-dev [-- Attachment #1: Type: text/plain, Size: 1694 bytes --] Shadow uses virtual time, entirely decoupled from real time. So while it may slow down your machine, this would not affect the stats collected (although it does make shadow somewhat unpleasant to run, unless you have a fast machine, compared to abstract simulators that avoid running the actual Bitcoin code). Hi Byron, I've been using shadow a bit-- I think these simulators are important for testing, but Shadow, at least, certainly seems to have limitations, in some crucial respects. Running shadow w Tor (which is only logical, because many BCT transactions transpire over Tor) is not as 'light' as presented and slows my own box down quite a bit, so the stats can't possibly be accurate... I don't know if this answers any questions or if you've had this experience at all -- perhaps it is negligible on a more powerful machine than my own-- or perhaps there is an adjustment still unaccounted? Regards, Nina K Sent from my iPhone On Oct 4, 2015, at 2:04 PM, Byron Gibson via bitcoin-dev < bitcoin-dev@lists•linuxfoundation.org> wrote: Hi all, is anyone using simulators like Shadow (https://shadow.github.io), BTCSim (https://github.com/btcsuite/btcsim), etc. to test proposed changes to Bitcoin? I have a few questions about their capabilities and limitations. Byron Gibson http://mirror.co/ https://keybase.io/byrongibson _______________________________________________ bitcoin-dev mailing list bitcoin-dev@lists•linuxfoundation.org https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev _______________________________________________ bitcoin-dev mailing list bitcoin-dev@lists•linuxfoundation.org https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev [-- Attachment #2: Type: text/html, Size: 2913 bytes --] ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [bitcoin-dev] Bitcoin network simulation testing? 2015-10-06 21:00 ` Andrew Miller @ 2015-10-09 17:11 ` Byron Gibson 2015-10-09 22:06 ` Pindar Wong 0 siblings, 1 reply; 5+ messages in thread From: Byron Gibson @ 2015-10-09 17:11 UTC (permalink / raw) To: Andrew Miller; +Cc: bitcoin-dev [-- Attachment #1: Type: text/plain, Size: 2324 bytes --] Thanks Nina and Andrew, I may have the capability to run a simulator large scale on many nodes on AWS/GCE, but am looking to optimize the ROI by selecting categories of experiments that benefit from a more controlled environment, rather than be invalidated by its divergence/s from livenet. But wondering if anyone else has already been doing this, would be nice to collaborate. Byron Gibson CoS | http://mirrorx.com/ https://onename.io/bgibson https://keybase.io/byrongibson On Oct 6, 2015 14:00, "Andrew Miller" <amiller@cs•umd.edu> wrote: > Shadow uses virtual time, entirely decoupled from real time. So while it > may slow down your machine, this would not affect the stats collected > > (although it does make shadow somewhat unpleasant to run, unless you have > a fast machine, compared to abstract simulators that avoid running the > actual Bitcoin code). > Hi Byron, > > I've been using shadow a bit-- I think these simulators are important for > testing, but Shadow, at least, certainly seems to have limitations, in some > crucial respects. Running shadow w Tor (which is only logical, because > many BCT transactions transpire over Tor) is not as 'light' as presented > and slows my own box down quite a bit, so the stats can't possibly be > accurate... I don't know if this answers any questions or if you've had > this experience at all -- perhaps it is negligible on a more powerful > machine than my own-- or perhaps there is an adjustment still unaccounted? > > Regards, > Nina K > > Sent from my iPhone > > On Oct 4, 2015, at 2:04 PM, Byron Gibson via bitcoin-dev < > bitcoin-dev@lists•linuxfoundation.org> wrote: > > Hi all, is anyone using simulators like Shadow (https://shadow.github.io), > BTCSim (https://github.com/btcsuite/btcsim), etc. to test proposed > changes to Bitcoin? I have a few questions about their capabilities and > limitations. > > Byron Gibson > http://mirror.co/ > https://keybase.io/byrongibson > > > > _______________________________________________ > bitcoin-dev mailing list > bitcoin-dev@lists•linuxfoundation.org > https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev > > > _______________________________________________ > bitcoin-dev mailing list > bitcoin-dev@lists•linuxfoundation.org > https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev > > [-- Attachment #2: Type: text/html, Size: 3860 bytes --] ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [bitcoin-dev] Bitcoin network simulation testing? 2015-10-09 17:11 ` Byron Gibson @ 2015-10-09 22:06 ` Pindar Wong 0 siblings, 0 replies; 5+ messages in thread From: Pindar Wong @ 2015-10-09 22:06 UTC (permalink / raw) To: Byron Gibson; +Cc: Bitcoin Dev [-- Attachment #1: Type: text/plain, Size: 2766 bytes --] Byron: I'd be interested to collaborate on this in some fashion. p. On Sat, Oct 10, 2015 at 1:11 AM, Byron Gibson via bitcoin-dev < bitcoin-dev@lists•linuxfoundation.org> wrote: > Thanks Nina and Andrew, I may have the capability to run a simulator large > scale on many nodes on AWS/GCE, but am looking to optimize the ROI by > selecting categories of experiments that benefit from a more controlled > environment, rather than be invalidated by its divergence/s from livenet. > But wondering if anyone else has already been doing this, would be nice to > collaborate. > > Byron Gibson > CoS | http://mirrorx.com/ > https://onename.io/bgibson > https://keybase.io/byrongibson > > > On Oct 6, 2015 14:00, "Andrew Miller" <amiller@cs•umd.edu> wrote: > >> Shadow uses virtual time, entirely decoupled from real time. So while it >> may slow down your machine, this would not affect the stats collected >> >> (although it does make shadow somewhat unpleasant to run, unless you have >> a fast machine, compared to abstract simulators that avoid running the >> actual Bitcoin code). >> Hi Byron, >> >> I've been using shadow a bit-- I think these simulators are important for >> testing, but Shadow, at least, certainly seems to have limitations, in some >> crucial respects. Running shadow w Tor (which is only logical, because >> many BCT transactions transpire over Tor) is not as 'light' as presented >> and slows my own box down quite a bit, so the stats can't possibly be >> accurate... I don't know if this answers any questions or if you've had >> this experience at all -- perhaps it is negligible on a more powerful >> machine than my own-- or perhaps there is an adjustment still unaccounted? >> >> Regards, >> Nina K >> >> Sent from my iPhone >> >> On Oct 4, 2015, at 2:04 PM, Byron Gibson via bitcoin-dev < >> bitcoin-dev@lists•linuxfoundation.org> wrote: >> >> Hi all, is anyone using simulators like Shadow (https://shadow.github.io), >> BTCSim (https://github.com/btcsuite/btcsim), etc. to test proposed >> changes to Bitcoin? I have a few questions about their capabilities and >> limitations. >> >> Byron Gibson >> http://mirror.co/ >> https://keybase.io/byrongibson >> >> >> >> _______________________________________________ >> bitcoin-dev mailing list >> bitcoin-dev@lists•linuxfoundation.org >> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev >> >> >> _______________________________________________ >> bitcoin-dev mailing list >> bitcoin-dev@lists•linuxfoundation.org >> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev >> >> > _______________________________________________ > bitcoin-dev mailing list > bitcoin-dev@lists•linuxfoundation.org > https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev > > [-- Attachment #2: Type: text/html, Size: 4864 bytes --] ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2015-10-09 22:06 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2015-10-04 21:04 [bitcoin-dev] Bitcoin network simulation testing? Byron Gibson 2015-10-06 20:14 ` naama.kates 2015-10-06 21:00 ` Andrew Miller 2015-10-09 17:11 ` Byron Gibson 2015-10-09 22:06 ` Pindar Wong
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