Fixing the Sequential Bottleneck by Regulating Energy Per Instruction on CMPs

Fixing the Sequential Bottleneck by Regulating Energy Per Instruction on CMPs

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October 2005 Page 1 Copyright © Intel Corporation 2005. *Third-party brands and names are the property of their respective owners. 1 Technology @ Intel Magazine Fixing the Sequential Bottleneck by Regulating Energy Per Instruction on CMPs Murali Annavaram Senior Researcher Microarchitecture Research Lab Intel Corporation Ed Grochowski Senior Principal Engineer Microarchitecture Research Lab Intel Corporation John Shen Director Microarchitecture Research Lab Intel Corporation
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October 2005 Page 2 Copyright © Intel Corporation 2005. *Third-party brands and names are the property of their respective owners. 2 Technology @ Intel Magazine Table of Contents (Click on page number to jump to sections) FIXING THE SEQUENTIAL BOTTLENECK BY REGULATING ENERGY PER INSTRUCTION ON CMPS OVERVIEW: MITIGATING AMDAHL’S LAW. ................................................................... 3 TOUGH CHALLENGES. ............................................................................................ 3 PROTOTYPE AMP CONFIGURATION . ......................................................................... 4 STAYING WITHIN THE POWER BUDGET. ..................................................................... 4 WORKLOADS . ...................................................................................................... 5 PERFORMANCE RESULTS . ...................................................................................... 5 ADVANTAGES OF AMP. .......................................................................................... 5 PRACTICAL EPI THROTTLES . .................................................................................. 5 SUMMARY . .......................................................................................................... 6 MORE INFO . ........................................................................................................ 6 AUTHOR BIOS . ..................................................................................................... 7 DISCLAIMER: THE MATERIALS ARE PROVIDED "AS IS" WITHOUT ANY EXPRESS OR IMPLIED WARRANTY OF ANY KIND INCLUDING WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT OF INTELLECTUAL PROPERTY, OR FITNESS FOR ANY PARTICULAR PURPOSE. IN NO EVENT SHALL INTEL OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS INTERRUPTION, LOSS OF INFORMATION) ARISING OUT OF THE USE OF OR INABILITY TO USE THE MATERIALS, EVEN IF INTEL HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. BECAUSE SOME JURISDICTIONS PROHIBIT THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, THE ABOVE LIMITATION MAY NOT APPLY TO YOU. INTEL FURTHER DOES NOT WARRANT THE ACCURACY OR COMPLETENESS OF THE INFORMATION, TEXT, GRAPHICS, LINKS OR OTHER ITEMS CONTAINED WITHIN THESE MATERIALS. INTEL MAY MAKE CHANGES TO THESE MATERIALS, OR TO THE PRODUCTS DESCRIBED THEREIN, AT ANY TIME WITHOUT NOTICE. INTEL MAKES NO COMMITMENT TO UPDATE THE MATERIALS.
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This note was uploaded on 05/03/2010 for the course CS 1 taught by Professor Rohr during the Spring '08 term at UCLA.

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Fixing the Sequential Bottleneck by Regulating Energy Per Instruction on CMPs

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