Monday, May 9, 2022 - 1:00pm to 2:00pm
KEC 1005 and Zoom:

Speaker Information

Tawfik Rahal-Arabi
Senior Technologist
Advanced Micro Devices, Inc.


Single threaded performance has saturated and the generational improvement in frequency from process technology is far less than what is required to keep the pace with the data centers need for performance. To compensate for that, the industry has moved to heterogenous integration of general-purpose CPUs, memory, workload specific accelerators such as GPUs, and other devices on the same package. In parallel, the client world, over the last 20 years, has resorted to clever power management schemes to improve the power efficiency of devices such as phones, tablets, and laptops. Many of the client techniques were developed for single client products, such as a CPU in a laptop or a phone. In data centers however, the situation is more complex, and it is very typical for multiple clients to be running workloads on the same product, such as a multicore CPU or GPU. As has been demonstrated with AMD’s pioneering chiplet products, the move to chiplet technology significantly improves cost of compute for the data centers but can increase power due to the addition of compute chiplet-to-chiplet interconnects. In this presentation, we combine the learnings from both, the client, and the data center worlds. To this end, we review the energy efficiency progress of the mobile world over the last 20 years and show how the chiplet technology can be used to leverage many of the techniques, developed for the single client mobile world, to improve the overall power efficiency of the data center.

Speaker Bio

Tawfik is a senior technologist at AMD, currently responsible the power efficiency of many GPUs. Prior to that, he was a senior principal architect at Microsoft where he developed co-optimized HW/SW solutions to improve the power efficiency of Microsoft data centers. Prior to that, he held the position of Sr. Principal engineer at Intel corporation where he worked on optimizing Intel Laptops and desktops delivering innovations and contributions in performance, power, and power delivery. He has a Ph.D. in electrical engineering from Syracuse University.

Tawfik is the recipient of many Intel and IEEE awards including 6 Intel Achievement award. He is an IEEE fellow and has well over 100 external Journal and conference publications and over 30 patents. He taught classes at Portland State University, Oregon State University, and Oregon Graduate Institute. He supported and directed research programs with several leading universities.