WEDNESDAY June 04, 1:30pm - 2:30pm | Room 300
TOPIC AREA: EDA
KEYWORD: CROSS-LAYER POWER
EVENT TYPE: RESEARCH PAPER SESSION

SESSION 24
Relax and Save: Trading Off Accuracy for Energy
Chair:
Umit Y. Ogras - Arizona State Univ., Tempe, AZ

Many applications exhibit inherent tolerance to computational errors. Relaxing the constraints on exact computation opens up huge opportunities for improving energy efficiency without excessively sacrificing quality. The papers in this session present solutions and methodologies for exploiting approximate computing in a variety of ways, such as the use imprecise hardware, near-threshold operations, and the use of fault-tolerant caches.


24.1ApproxIt: An Approximate Computing Framework for Iterative Methods
 Speaker: Qian Zhang - Chinese Univ. of Hong Kong, Shatin, Hong Kong
 Authors: Qian Zhang - Chinese Univ. of Hong Kong, Shatin, Hong Kong
Feng Yuan - Chinese Univ. of Hong Kong, Hong Kong, Hong Kong
Rong Ye - Chinese Univ. of Hong Kong, Shatin, Hong Kong
Qiang Xu - Chinese Univ. of Hong Kong, Shatin, Hong Kong
24.2Critical Path Monitor Enabled Dynamic Voltage Scaling for Graceful Degradation in Sub-Threshold Designs
 Speaker: Yu-Guang Chen - National Tsing Hua Univ., Hsinchu, Taiwan
 Authors: Yu-Guang Chen - National Tsing Hua Univ., Hsinchu, Taiwan
Tao Wang - Missouri Univ. of Science and Technology, Rolla, MO
Kuan-Yu Lai - National Tsing Hua Univ., Hsinchu, Taiwan
Wan-Yu Wen - National Tsing Hua Univ., Hsinchu, Taiwan
Yiyu Shi - Missouri Univ. of Science and Technology, Rolla, MO
Shih-Chieh Chang - National Tsing Hua Univ., Hsinchu, Taiwan
24.3Low Power GPGPU Computation with Imprecise Hardware
 Speaker: Hang Zhang - Univ. of Virginia, Charlottesville, VA
 Authors: Hang Zhang - Univ. of Virginia, Charlottesville, VA
Mateja Putic - Univ. of Virginia, Charlottesville, VA
John Lach - Univ. of Virginia, Charlottesville, VA
24.4Power / Capacity Scaling: Energy Savings With Simple Fault-Tolerant Caches
 Speaker: Mark Gottscho - Univ. of California, Los Angeles, CA
 Authors: Mark Gottscho - Univ. of California, Los Angeles, CA
Abbas BanaiyanMofrad - Univ. of California, Irvine, CA
Nikil Dutt - Univ. of California, Irvine, CA
Alex Nicolau - Univ. of California, Irvine, CA
Puneet Gupta - Univ. of California, Los Angeles, CA