Join the Chameleon Team: Fall 2026 REU Openings

Two undergraduate research positions this fall

We're looking for two undergraduate researchers to join the Chameleon team this fall, funded by NSF's Research Experiences for Undergraduates program. One position works on Trovi and artifact reproducibility, the other on automated verification of testbed hardware. Roughly 10 hours a week, and remote applicants are welcome.

Chameleon Newsletter & Changelog August 2026

Welcome to the Chameleon August 2026 Newsletter!

Fantastic news on Chameleon: our users are back in force – welcome to the new academic year! In the August newsletter we are looking for REU students, looking forward to meeting at least some of you at multiple upcoming research events, and looking after your needs in the changelog announcements. In particular, one interface for bare metal and VMs has finally landed – as have OpenStack upgrades!

Chameleon Tutorial at PACT 2026

Join the Chameleon team in person at PACT 2026 in Chicago on October 19th for a hands-on tutorial covering the full experimental lifecycle on Chameleon—from resource discovery and hardware allocation to packaging reproducible artifacts on Trovi.

Chameleon Newsletter & Changelog July 2026

Welcome to the Chameleon July 2026 Newsletter!

Great news on Chameleon! I hope everybody is enjoying the vacation – in the meantime, in the July edition of Chameleon newsletter we are looking for REU students, looking at 10 years of Chameleon in a paper just presented at PEARC'26, and hope to see you at the MERIF workshop – read on, if you would like to represent Chameleon as a user. Our changelog has important announcements of upcoming changes in how bare metal versus VM instances are managed, news of base Chameleon Infrastructure (CHI) upgrades, and resource discovery for VM flavors.

Chameleon Newsletter & Changelog June 2026

Welcome to the Chameleon June 2026 Newsletter!

This month we're reminding you not to miss out on limited-time Ponte Vecchio (Intel GPU) nodes and the plentiful hardware available at CHI@NCAR, previewing a redesigned Resource Discovery browser, adding ccauth support to python-chi, improving long-running commands on CHI@Edge, retiring the vendor-data service, and refreshing our documentation. In the community, Kate Keahey delivered a keynote at the ISC High Performance 2026 Reproducibility Workshop.

I/O Analysis is All You Need: An I/O Analysis for Long-Sequence Attention

An I/O-driven accelerator that achieves up to 3.4× speedup over FlashAttention-2 by minimizing data movement in long-sequence self-attention

Modern AI systems are often limited not only by how much computation they perform, but also by how much data they need to move. AttenIO, developed by Xiaoyang Lu at Illinois Institute of Technology, is an I/O-driven accelerator for exact long-sequence self-attention that achieves up to 3.4× speedup over FlashAttention-2 by applying principled I/O analysis to minimize data movement across the memory hierarchy.