ACM SIGMICRO

The MICRO Test of Time (ToT) award recognizes the most influential papers published in prior sessions of the International Symposium on Microarchitecture®. Two papers were selected for 2026:

• Flattened Butterfly Topology for On-Chip Networks (MICRO 2007)
  John Kim, James Balfour, Bill Dally
• Stall-Time Fair Memory Access Scheduling for Chip Multiprocessors (MICRO 2007)
  Onur Mutlu, Thomas Moscibroda

Congratulations to the winners! You can read brief citations about the impact and significance of their papers.