Zobrazeno 1 - 10
of 73
pro vyhledávání: '"GELASHVILI, RATI"'
Autor:
Mitenkov, George, Kabiljo, Igor, Li, Zekun, Spiegelman, Alexander, Vusirikala, Satyanarayana, Xiang, Zhuolun, Zlateski, Aleksandar, Lopes, Nuno P., Gelashvili, Rati
One of the main bottlenecks of blockchains is smart contract execution. To increase throughput, modern blockchains try to execute transactions in parallel. Unfortunately, however, common blockchain use cases introduce read-write conflicts between tra
Externí odkaz:
http://arxiv.org/abs/2405.06117
The Narwhal system is a state-of-the-art Byzantine fault-tolerant scalable architecture that involves constructing a directed acyclic graph (DAG) of messages among a set of validators in a Blockchain network. Bullshark is a zero-overhead consensus pr
Externí odkaz:
http://arxiv.org/abs/2306.03058
Autor:
Gelashvili, Rati, Spiegelman, Alexander, Xiang, Zhuolun, Danezis, George, Li, Zekun, Malkhi, Dahlia, Xia, Yu, Zhou, Runtian
Block-STM is a parallel execution engine for smart contracts, built around the principles of Software Transactional Memory. Transactions are grouped in blocks, and every execution of the block must yield the same deterministic outcome. Block-STM furt
Externí odkaz:
http://arxiv.org/abs/2203.06871
Autor:
Cohen, Shir, Gelashvili, Rati, Kogias, Lefteris Kokoris, Li, Zekun, Malkhi, Dahlia, Sonnino, Alberto, Spiegelman, Alexander
Advances in blockchains have influenced the State-Machine-Replication (SMR) world and many state-of-the-art blockchain-SMR solutions are based on two pillars: Chaining and Leader-rotation. A predetermined round-robin mechanism used for Leader-rotatio
Externí odkaz:
http://arxiv.org/abs/2110.00960
This paper gives tight logarithmic lower bounds on the solo step complexity of leader election in an asynchronous shared-memory model with single-writer multi-reader (SWMR) registers, for randomized obstruction-free algorithms. The approach extends t
Externí odkaz:
http://arxiv.org/abs/2108.02802
Autor:
Gelashvili, Rati, Kokoris-Kogias, Lefteris, Sonnino, Alberto, Spiegelman, Alexander, Xiang, Zhuolun
Existing committee-based Byzantine state machine replication (SMR) protocols, typically deployed in production blockchains, face a clear trade-off: (1) they either achieve linear communication cost in the happy path, but sacrifice liveness during per
Externí odkaz:
http://arxiv.org/abs/2106.10362
The popularity of permissioned blockchain systems demands BFT SMR protocols that are efficient under good network conditions (synchrony) and robust under bad network conditions (asynchrony). The state-of-the-art partially synchronous BFT SMR protocol
Externí odkaz:
http://arxiv.org/abs/2103.03181
Let $G$ be a graph on $n$ nodes. In the stochastic population protocol model, a collection of $n$ indistinguishable, resource-limited nodes collectively solve tasks via pairwise interactions. In each interaction, two randomly chosen neighbors first r
Externí odkaz:
http://arxiv.org/abs/2102.08808
Fast convolutions via transforms, either Winograd or FFT, had emerged as a preferred way of performing the computation of convolutional layers, as it greatly reduces the number of required operations. Recent work shows that, for many layer structures
Externí odkaz:
http://arxiv.org/abs/1912.02165
Autor:
Gelashvili, Rati
Thesis: Ph. D., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2017.
This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and
This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and
Externí odkaz:
http://hdl.handle.net/1721.1/111856