Publication

Thermal-Aware Compilation for System-on-Chip Processing Architectures

2010
Conference Papers

Abstract

The development of compiler-based mechanisms to reduce the percentage of hotspots and optimize the thermal profile of large register files has become an important issue. Thermal hotspots have been known to cause severe reliability issues, while the thermal profile of the devices is also related to the leakage power consumption and the cooling cost. In this paper we propose several compilation techniques that, based on an efficient register allocation mechanism, reduce the percentage of hotspots in the register file and uniformly distribute the heat. As a result, the thermal profile and reliability of the device is clearly improved. Simulation results show that the proposed flow achieved 91% reduction of hotspots and 11% reduction of the peak temperature.

Official source

https://infoscience.epfl.ch/entities/publication/a599a296-5acd-40f7-b786-2b55418f620b

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2010
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/a599a296-5acd-40f7-b786-2b55418f620b

About this result

Related concepts (32)

Processor register

A processor register is a quickly accessible location available to a computer's processor. Registers usually consist of a small amount of fast storage, although some registers have specific hardware functions, and may be read-only or write-only. In computer architecture, registers are typically addressed by mechanisms other than main memory, but may in some cases be assigned a memory address e.g. DEC PDP-10, ICT 1900.

A register file is an array of processor registers in a central processing unit (CPU). Register banking is the method of using a single name to access multiple different physical registers depending on the operating mode. Modern integrated circuit-based register files are usually implemented by way of fast static RAMs with multiple ports. Such RAMs are distinguished by having dedicated read and write ports, whereas ordinary multiported SRAMs will usually read and write through the same ports.

In computer architecture, register renaming is a technique that abstracts logical registers from physical registers. Every logical register has a set of physical registers associated with it. When a machine language instruction refers to a particular logical register, the processor transposes this name to one specific physical register on the fly. The physical registers are opaque and cannot be referenced directly but only via the canonical names.

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Thermal-Aware Compilation for System-on-Chip Processing Architectures

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