Skip to content
EIP-7939: Count leading zeros CLZ opcode with Vectorized | PEEPanEIP#153 episode artwork

Aug 5, 2025 37 min

EIP-7939: Count leading zeros CLZ opcode with Vectorized | PEEPanEIP#153

from ECH Institute Podcast Hosted by ECH Institute Inc.

In this episode of PEEEPanEIP, Vectorized and Pooja Ranjan discuss EIP 7939, which introduces the CLZ opcode, with co-author Vectorized. They explore the significance of this opcode in reducing computation costs, its implementation in the upcoming Fusaka upgrade, and its potential impact on Ethereum's performance. Vectorized shares insights on the opcode's functionality, its advantages over existing methods, and the community's support for its inclusion. The conversation also touches on gas costs, performance metrics, and the future of CLZ in the Ethereum ecosystem, concluding with a rapid-fire round of questions. 📄 EIP Reference EIP-7939: https://eips.ethereum.org/EIPS/eip-7939 Discussion Thread: https://ethereum-magicians.org/t/eip-7939-create-a-new-opcode-for-counting-leading-zeros-clz/10805 🎬 Related Content Presentation: PEEPanEIP Playlist: https://youtube.com/playlist?list=PL4cwHXAawZxqu0PKKyMzG_3BJV_xZTi1F&si=vjvMSEoS4yNle8YM 💸 Support ECH Institute Donate: https://www.ethcatherders.com/donate 👥 Featuring Guest Speaker: Vectorized – https://twitter.com/optimizoor Ethereum Cat Herders Team Host: Pooja Ranjan – https://twitter.com/poojaranjan19 Coordinator: Vaelyn – https://twitter.com/Cyph3rVae Editor: Akash – https://twitter.com/lookupforsky 🕒 Timestamps 00:00 Introduction to EIP 7939 and Its Importance 05:12 Understanding the CLZ Opcode and Its Functionality 12:01 The Significance of CLZ in Ethereum's Ecosystem 18:47 Implementation and Performance Considerations of CLZ 22:46 Discussion on Gas Costs and Safety of CLZ 28:58 Final Thoughts on EIP 7939 and Future Prospects 🔗 Follow Ethereum Cat Herders X/Twitter: https://twitter.com/echinstitute Warpcast: https://warpcast.com/ethcatherders Medium: https://medium.com/ethereum-cat-herders Discord: https://discord.gg/H2eYpKCxxm #EIP7939 #Ethereum #PEEPanEIP #CLZ

Episode details come from the podcast's RSS feed.

Embed this episode

Ready to play

EIP-7939: Count leading zeros CLZ opcode with Vectorized | PEEPanEIP#153

0:00 37:09

No transcript yet.

Requests help us decide what to transcribe next.

Frequently asked questions

How long is this episode of ECH Institute Podcast?

This episode is 37 minutes long.

When was this ECH Institute Podcast episode published?

This episode was published on August 5, 2025.

Can I download this ECH Institute Podcast episode?

Yes. Use the download control on the episode player to save the publisher-provided media file.