# Advancing Parallel EVM: Parallel I/O via Programmable Access List and Intelligent I/O Preloading

- Channel: [EthPrague](https://streameth.org/ethprague)
- Date: 2024-06-02
- Duration: 30:50
- Watch: https://streameth.org/watch/665833db036a981493b0c0d7
- Download: https://vod-cdn.lp-playback.studio/raw/jxf4iblf6wlsyor6526t4tcmtmqa/catalyst-vod-com/hls/00059018bbikcl01/1080p0.mp4

## Description

In this talk, we delve into two innovative strategies to maximize the advantages of parallel I/O:
- EIP-7650: Programmable Access Lists - This mechanism empowers smart contract developers to proactively define access lists within their code. By facilitating parallel preloading of data, it significantly reduces transaction latency and optimizes gas costs.
- Intelligent I/O Preloading - This strategy optimizes contract execution by preloading commonly accessed data patterns. By doing so, it improves Ethereum's operational efficiency and transaction throughput.

Adoption of these parallel I/O strategies sheds light on higher transaction throughput and reduced operational costs, marking a step forward in the blockchain's evolution toward scalability.