Compaq Evo W8000 Supplementary Manual
Analysis of intel xeon processor frequency grades and cache sizes on performance benchmarks
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Table of Contents
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White Paper
March 2002
16G1-0302A-WWEN
Prepared by:
Workstations Division
Compaq Computer Corporation
Contents
Introduction................................. 3
Xeon Processors ........................ 4
Intel Xeon .18 Processors ......... 4
Intel Xeon .13 Processors ......... 4
Benchmark Analyses ................. 4
Business Winstone.................... 5
SYSmark 2001 .......................... 7
Cadalyst .................................... 8
ProE 2001i2 ............................ 10
Summary ................................... 13
Analysis of Intel Xeon
Processor Frequency Grades
and Cache Sizes on
Performance Benchmarks
Abstract: Compaq Evo Workstations W6000 and W8000 refreshes
will feature the leading edge Intel Xeon .18 processor with Hyper-
Threading Technology. The new processors are fabricated with the
latest .13µ technology, 512KB-L2 cache, the ability to support
frequencies ranging from 1.8 GHz to greater than 2.6 GHz and also
includes support for multi-threaded execution.
The purpose of this paper is to study the performance benefits in
terms of processor frequency grades and larger cache sizes of the
new Intel Xeon .18 processors versus the previous Intel Xeon .18
processors. This will be done using different industry-standard
benchmarks.
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Summary of Contents for Compaq Evo W8000
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Page 1: Table Of Contents
White Paper March 2002 16G1-0302A-WWEN Prepared by: Workstations Division Compaq Computer Corporation Contents Introduction... 3 Differences Between Intel Xeon Processors ... 4 Intel Xeon .18 Processors ... 4 Intel Xeon .13 Processors ... 4 Benchmark Analyses ... 4 Business Winstone... 5 SYSmark 2001 ... -
Page 2: March
Analysis of Intel Xeon Processor Frequency Grades and Cache Sizes on Performance Benchmarks White Paper Notice The information in this publication is subject to change without notice and is provided “AS IS” WITHOUT WARRANTY OF ANY KIND. THE ENTIRE RISK ARISING OUT OF THE USE OF THIS INFORMATION REMAINS WITH RECIPIENT. -
Page 3: Introduction
Analysis of Intel Xeon Processor Frequency Grades and Cache Sizes on Performance Benchmarks White Paper Introduction Computer performance is highly dependent on key system features. Processor speed, memory bandwidth, graphics cards, and disk drives all play important roles in determining system performance. -
Page 4: Differences Between Intel Xeon Processors
Analysis of Intel Xeon Processor Frequency Grades and Cache Sizes on Performance Benchmarks White Paper Differences Between Intel Xeon Processors Intel Xeon .18 Processors The Intel Xeon .18 processor (Foster) builds upon the Intel Netburst micro-architecture, built with the 0.18-micron process and with 256KB L2 cache, which facilitates high-speed critical calculations, memory accesses, and an Execution Trace Cache. -
Page 5: Business Winstone
Analysis of Intel Xeon Processor Frequency Grades and Cache Sizes on Performance Benchmarks White Paper • Users running 2D and 3D workstation applications on their computers This analysis compares the same frequency Xeon .18 and Xeon .13 processors and two frequency grades of Xeon .13 (2.0GHz and 2.2GHz) on a Compaq Evo Workstation W6000 system. - Page 6 Analysis of Intel Xeon Processor Frequency Grades and Cache Sizes on Performance Benchmarks White Paper Content Creation Winstone Content Creation Winstone is a system-level, application-based benchmark that measures the overall performance of a PC when it is running under a 32-bit operating system, such as Windows 2000 or Windows XP.
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Page 7: Sysmark 2001
Analysis of Intel Xeon Processor Frequency Grades and Cache Sizes on Performance Benchmarks White Paper Analysis Testing shows a 9% performance improvement using higher caches in the Xeon .13s versus the Xeon .18 processor at the same frequency, when running business applications. The business applications take advantage of the larger cache in Xeon .13s due to the reduction of memory cycles, thereby bettering the performance. -
Page 8: Cadalyst
Analysis of Intel Xeon Processor Frequency Grades and Cache Sizes on Performance Benchmarks White Paper SYSmark Performance Benchmark Sysmark Rate Figure 2 Analysis SYSmark 2001 is a horizontal benchmark that is a good measure of performance using a multitasked load. This type of application has many branches in the code. BAPCO constructed SYSmark 2001 to run in real time, meaning that the benchmark actually pauses for user input and runs just as quickly as the tasks would if a normal user had been sitting at the keyboard performing all of them. - Page 9 Analysis of Intel Xeon Processor Frequency Grades and Cache Sizes on Performance Benchmarks White Paper Cadalyst on Quadro2Pro 26.17 24.96 23.21 Cadalyst on Wildcat 5110 23.27 21.5 20.72 Figure 3 Analysis In both 2D and 3D tests, the additional cache in Xeon .13 provides a 7% increase in performance using the Quadro2 Pro graphics card and about 3-5% increase using the Wildcat 5110 graphics card.
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Page 10: Proe 2001I2
Analysis of Intel Xeon Processor Frequency Grades and Cache Sizes on Performance Benchmarks White Paper In the next section, the performance of the system using more graphics-intensive tests using OpenGL tests like ProE is examined by comparing the performance of the same processors with two different graphics cards. - Page 11 Analysis of Intel Xeon Processor Frequency Grades and Cache Sizes on Performance Benchmarks White Paper ProE- Difference between 2GHz Xeon .13 & Xeon .18 4.37 4.31 3.25 Composite Score Figure 4 Analysis Figure 5 shows the results for the Intel 2GHz Xeon .18 and Xeon .13 using two different graphics cards: WildCat 5110 and Quadro2 Pro.
- Page 12 Analysis of Intel Xeon Processor Frequency Grades and Cache Sizes on Performance Benchmarks White Paper ProE- Difference between 2GHz and 2.2GHz Xeon .13 4.55 4.37 4.18 4.17 Composite Score Figure 5 Analysis Some performance improvement is achieved in moving to a higher frequency processor, but not as significant as the performance difference between the two graphics controllers themselves.
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Page 13: Summary
Analysis of Intel Xeon Processor Frequency Grades and Cache Sizes on Performance Benchmarks White Paper Summary Applications can be broadly divided into two categories: • Integer/basic office productivity applications • Floating-point/multimedia applications The IPC cycle achieved by each of these different application categories varies significantly. This is dependent on the number of branches that the application code typically takes, and the predictability of these branches.