Performance of commercial multimedia workloads on the Intel Pentium 4: A case study

被引：4

作者：

Martinez, Christopher ^{[1
]}

Pinnamaneni, Mythri ^{[1
]}

John, Eugene B. ^{[1
]}

机构：

[1] Univ Texas San Antonio, Dept Elect & Comp Engn, San Antonio, TX 78249 USA

来源：

COMPUTERS & ELECTRICAL ENGINEERING | 2009年 / 35卷 / 01期

关键词：

Performance characterization; Measurement; On-chip performance counters; Microprocessor performance; Audio processing; Video processing;

D O I：

10.1016/j.compeleceng.2008.02.003

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper, we present a case study of the execution time characteristics of several popular commercial audio and video applications on a state of the art microprocessor, the Intel Pentium 4. The on-chip performance counters on the Pentium 4 processor are used to perform this study using actual real-world workloads. While the Pentium 4 is capable of executing 3-4 instructions in one cycle, it was observed that commercial audio and video applications take between 1.4 and 3.5 cycles (per instruction) to execute. Despite using large caches and sophisticated Out of ordering techniques, the average cycles per instruction is higher than a predecessor like Pentium II. This indicates that while clock frequency has improved, real speedups are not scaling. The performance of multimedia programs is compared with execution characteristics of SPEC CPU 2000 programs. Performance impact of branch predictors, caches and trace caches on the Pentium 4 are analyzed for multimedia and SPEC CPU applications. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：18 / 32

页数：15

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