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Why Modern CPUs Are Starving and What Can Be Done about It
March/April 2010 (vol. 12 no. 2)
pp. 68-71
ASCII Text
x 
 
Francesc Alted, "Why Modern CPUs Are Starving and What Can Be Done about It," Computing in Science and Engineering, vol. 12, no. 2, pp. 68-71, March/April, 2010.
 
 
BibTex
x
 
@article{ 10.1109/MCSE.2010.51,
author = {Francesc Alted},
title = {Why Modern CPUs Are Starving and What Can Be Done about It},
journal ={Computing in Science and Engineering},
volume = {12},
number = {2},
issn = {1521-9615},
year = {2010},
pages = {68-71},
doi = {http://doi.ieeecomputersociety.org/10.1109/MCSE.2010.51},
publisher = {IEEE Computer Society},
address = {Los Alamitos, CA, USA},
}
 
 
RefWorks Procite/RefMan/Endnote
x 
 
TY - MGZN
JO - Computing in Science and Engineering
TI - Why Modern CPUs Are Starving and What Can Be Done about It
IS - 2
SN - 1521-9615
SP68
EP71
EPD - 68-71
A1 - Francesc Alted,
PY - 2010
KW - keywords: CPU performance
KW - processor speed
KW - memory speed
KW - I/O bottleneck
KW - multlicore computing
VL - 12
JA - Computing in Science and Engineering
ER -
 
CPUs spend most of their time waiting for data to arrive. Identifying low-level bottlenecks—and how to ameliorate them—can save hours of frustration over poor performance in apparently well-written programs.

1. K. Dowd, "Memory Reference Optimizations," High Performance Computing, O'Reilly & Associates, 1993, pp. 213–233.
2. C. Dunphy, "RAM-o-Rama—Your Field Guide to Memory Types," Maximum PC, Mar. 2000, pp. 67–69.
3. R. van der Pas, Memory Hierarchy in Cache-Based Systems, tech. report, Sun Microsystems, Nov. 2002; www.sun.com/blueprints/1102817-0742.pdf.
4. U. Drepper, What Every Programmer Should Know About Memory, tech. report, RedHat Inc., Nov. 2007; http://people.redhat.com/dreppercpumemory.pdf .
5. T. Halfhill, "Parallel Processing with CUDA: Nvidia's High-Performance Computing Platform Uses Massive Multithreading," Microprocessor Report, vol. 22, no. 1, 2008; www.mdronline.com/mpr/h/2008/0128220401.html .

Index Terms:
keywords: CPU performance, processor speed, memory speed, I/O bottleneck, multlicore computing
Citation:
Francesc Alted, "Why Modern CPUs Are Starving and What Can Be Done about It," Computing in Science and Engineering, vol. 12, no. 2, pp. 68-71, March-April 2010, doi:10.1109/MCSE.2010.51
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