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RE: EU Blockchain goes mobile: 2 Watts is all it needs
Congratulations to your team, Sorin, for the accomplishment!
Your Steem clone, is it massively modified or similar results could be obtained with the original Steem code?
Very tiny modifications are needed such as stacktrace handling or non-SSE blake2 implementation for the PoW purposes (which is not used anymore anyway), main problem are architectural restrictions (as I was trying on 32bit ARM7 instead of 64bit ARM8). Then, when RAM runs out there is too much I/O to handle on much slower memory.
Will MIRA help mitigate the issue?
Definitely it solves one of my problems that I was facing (unable to allocate such big shared memory file to allow me to replay).
Similar results can be obtained with the original steem code, our modifications have mostly to do with governance ("permissioned enterprise" setting vs. "permissionless" for the public chain).
However the public chain has grown too much now to fit. This is mostly interesting for other enterprises who might want to experiment with permissioned steem clones.
I believe @steemchiller experiments with highly compressed state file for his Steem Data Service he is developing. But the state file will continue to grow in time.
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Well, when it comes to Steem mainnet, highly compressed is still in tens of gigabytes soit wouldn't help in case of this spec.