A new concept of vertically integrated pattern recognition associative memory

Conference · Tue Nov 01 04:00:00 EDT 2011

OSTI ID:1038547

Liu, Ted; Hoff, Jim; Deptuch, Grzegorz; Yarema, Ray

Hardware-based pattern recognition for fast triggering on particle tracks has been successfully used in high-energy physics experiments for some time. The CDF Silicon Vertex Trigger (SVT) at the Fermilab Tevatron is an excellent example. The method used there, developed in the 1990's, is based on algorithms that use a massively parallel associative memory architecture to identify patterns efficiently at high speed. However, due to much higher occupancy and event rates at the LHC, and the fact that the LHC detectors have a much larger number of channels in their tracking detectors, there is an enormous challenge in implementing fast pattern recognition for a track trigger, requiring about three orders of magnitude more associative memory patterns than what was used in the original CDF SVT. Scaling of current technologies is unlikely to satisfy the scientific needs of the future, and investments in transformational new technologies need to be made. In this paper, we will discuss a new concept of using the emerging 3D vertical integration technology to significantly advance the state-of-the-art for fast pattern recognition within and outside HEP. A generic R and D proposal based on this new concept, with a few institutions involved, has recently been submitted to DOE with the goal to design and perform the ASIC engineering necessary to realize a prototype device. The progress of this R and D project will be reported in the future. Here we will only focus on the concept of this new approach.

• Research Organization: Fermi National Accelerator Laboratory (FNAL), Batavia, IL
• Sponsoring Organization: DOE Office of Science
• DOE Contract Number: AC02-07CH11359
• OSTI ID: 1038547
• Report Number(s): FERMILAB-CONF-11-709-E
• Country of Publication: United States
• Language: English

Related Subjects

43 PARTICLE ACCELERATORS
ALGORITHMS
Accelerators
Computing
COMPUTER ARCHITECTURE
DESIGN
FERMILAB COLLIDER DETECTOR
FERMILAB TEVATRON
PARALLEL PROCESSING
PARTICLE TRACKS
PATTERN RECOGNITION
PHYSICS
SILICON
VELOCITY
VERTICAL INTEGRATION