Re: [Mimblewimble] Status and how to help

2017-04-18 Thread John Tromp
dear John, > Thanks for the update. Just curious, what's the time tradeoff for that 20x > memory? This optimization becomes difficult, especially on GPU, over Cuckoo > 30, correct? The speedup is about 4x on a cpu. But since the solver becomes more similar to an Equihash solver (both dominated by

Re: [Mimblewimble] Status and how to help

2017-04-18 Thread Ignotus Peverell
dear John, Thanks for the update. Just curious, what's the time tradeoff for that 20x memory? This optimization becomes difficult, especially on GPU, over Cuckoo 30, correct? - Igno Original Message Subject: Re: [Mimblewimble] Status and how to help Local Time: Apr

Re: [Mimblewimble] Status and how to help

2017-04-18 Thread John Tromp
dear Ignotus/all, > Some decent mining software that can handle multiple GPUs. There has been some significatn development in Cuckoo Cycle. Xenoncat, the anonymous Zcash miner contest winner, recently claimed a $5000 CPU speedup bounty, by using 20x more memory to bucketsort the edge->endpoint m

[Mimblewimble] Status and how to help

2017-04-18 Thread Ignotus Peverell
Hi all, It's been a while since the last update, and as more people are joining and Gitter is getting more active, I thought I'd send a summary of what's been going on and the main areas that need more work. If you're looking for a way to help, just jump to the 2nd part fo the email! I can fee

Re: [Mimblewimble] Status

2017-03-07 Thread Ignotus Peverell
I've sent this on Feb 7th, a month ago, but just realized it doesn't show up in the mailing list archives. Re-sending. Since then, there's obviously been more research activity. I'm working on APIs and then some basic way to build transactions, which would be a first skeleton for a wallet. Stil

[Mimblewimble] Status

2017-02-07 Thread Ignotus Peverell
Hi all, First I wanted to welcome everyone who joined us recently, our mailing list has grown almost 3x in the last month. The following is going on: - Andrew Poelstra has done more MimbleWimble presentations (I'm at least aware of [1]), spreading the word. - There's been good research activit

[Mimblewimble] Status

2016-12-09 Thread Ignotus Peverell
Hi all, Now that we finally have a public mailing-list, I thought I'd summarize here all the activity I'm aware of related to grin. In no special order: - I've been trying to setup some project back infrastructure. This mailing list, IRC (which doesn't seem too welcoming right now), etc. Next o