An eDRAM-Based Approximate Register File for GPUs
Donghwan Jeong, Young H. Oh, Jae Wook Lee, Yongjun Park · IEEE Design and Test · 2015
GPUs require large register files for fast context switching. This paper presents a high-density and energy-efficient approximate register file architecture based on embedded DRAM with lowered refresh rate to the low-order bits of register entries.