IBM Systems Magazine, Mainframe - November/December 2013 - 32

TECH CORNER

BEYOND One Dimensional
Alternative metrics deliver a more complete view of hardware for server RFPs

B

usinesses and government agencies frequently use request for price (RFP) documents to bid out work and capital acquisitions. They're the rule in government processes, but are also used in the private sector in competitive situations and when
transparency and fairness are enforced by business practices or regulatory scrutiny.
When the bid involves the
purchase of servers and its scope
is such that multiple vendors have
competing products with different
machine architecture, two key
questions arise:

1
2

How much capacity is the
bid for?
How can that be specified in a
way that allows all vendors to
compete?

The problem is these metrics
lack sufficient information to
position machines as qualified
or unqualified for the work at
hand. They either ignore or
minimize the contribution of
resources not related to thread
count and thread speed, which
leads to defining relative capacity
from a one-dimensional view
of a solution that's at least

Common Metrics
A common metric is a standard
adopted by the user to express
the size and performance of the
desired machine. Clients have
adopted such industry standard
benchmarks as Transaction
Processing Performance
Council's TPC-C, SAP Standard
Application Benchmarks,
and Standard Performance
Evaluation Corporation's
SPECintRATE, SPECjbbRATE,
SPECjappRATE and SPECfpRATE.
Before the introduction of
Nehalem to use Processors x
MHz, only bids for Intel* were
commonplace. Now, composite
metrics are available, including
Gartner's Relative server
Performance Estimate 2 (RPE2).
32 // NOVEMBER/DECEMBER 2013 ibmsystemsmag.com

two-dimensional. At best, they
specify a single point for the
other resources but cannot adjust
that point to match the workload.
Getting an idea of what the
metrics reveal requires plotting
the values of RPE2 versus the
throughput metric called TP,
which is defined as thread count
times thread speed. Thread
speed is taken as clock rate times

Figure 1: Relative Server Performance Estimate 2

RPE2

Joe Temple
is a retired
IBM Distinguished
Engineer
and principle
consultant of Low
Country North
Shore Consulting.

0

20

40

60

80

TP - Adjusted GHz
2.9 GHz SB

POWER7

2.6 GHS SB

POWER7+

100

120


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IBM Systems Magazine, Mainframe - November/December 2013

Table of Contents for the Digital Edition of IBM Systems Magazine, Mainframe - November/December 2013

Table of Contents
Editor's Desk: On the road with analytics
IBM Perspective: Extending IBM's commitment to big data and analytics
Trends: IBM Capacity Management Analytics for zEnterprise cost-effectively ensures optimal performance
IT Today: IBM DB2 Analytics Accelerator V4.1 expands the value of high-performance analytics
Case Study: The State of Consolidation: Oklahoma improves service levels by consolidating its IT on zEC12
Cover Story: Big Data's Big Impact: zEnterprise hybrid technology helps redefine business analytics
Feature: The System z Crystal Ball?: Teach the mainframe to predict the future using analytics and automation
Tech Corner: Alternative metrics deliver a more complete view of hardware for server RFPs
Administrator: QMF extends its analytics capabilities to help meet the demands of big data and mobile
Solutions: TestBase; Vanguard Offline
Stop Run: Historic property has much to teach retired IBMer
Reference Point - Global Events, Education, Resources for Mainframe
2014 Mainframe Solutions Edition Product Index
IBM Systems Magazine, Mainframe - November/December 2013 - Intro
IBM Systems Magazine, Mainframe - November/December 2013 - Cover1
IBM Systems Magazine, Mainframe - November/December 2013 - Cover2
IBM Systems Magazine, Mainframe - November/December 2013 - 1
IBM Systems Magazine, Mainframe - November/December 2013 - Table of Contents
IBM Systems Magazine, Mainframe - November/December 2013 - 3
IBM Systems Magazine, Mainframe - November/December 2013 - 4
IBM Systems Magazine, Mainframe - November/December 2013 - 5
IBM Systems Magazine, Mainframe - November/December 2013 - Editor's Desk: On the road with analytics
IBM Systems Magazine, Mainframe - November/December 2013 - 7
IBM Systems Magazine, Mainframe - November/December 2013 - IBM Perspective: Extending IBM's commitment to big data and analytics
IBM Systems Magazine, Mainframe - November/December 2013 - 9
IBM Systems Magazine, Mainframe - November/December 2013 - Trends: IBM Capacity Management Analytics for zEnterprise cost-effectively ensures optimal performance
IBM Systems Magazine, Mainframe - November/December 2013 - 11
IBM Systems Magazine, Mainframe - November/December 2013 - 12
IBM Systems Magazine, Mainframe - November/December 2013 - 13
IBM Systems Magazine, Mainframe - November/December 2013 - IT Today: IBM DB2 Analytics Accelerator V4.1 expands the value of high-performance analytics
IBM Systems Magazine, Mainframe - November/December 2013 - 15
IBM Systems Magazine, Mainframe - November/December 2013 - 16
IBM Systems Magazine, Mainframe - November/December 2013 - 17
IBM Systems Magazine, Mainframe - November/December 2013 - Case Study: The State of Consolidation: Oklahoma improves service levels by consolidating its IT on zEC12
IBM Systems Magazine, Mainframe - November/December 2013 - 19
IBM Systems Magazine, Mainframe - November/December 2013 - 20
IBM Systems Magazine, Mainframe - November/December 2013 - 21
IBM Systems Magazine, Mainframe - November/December 2013 - Cover Story: Big Data's Big Impact: zEnterprise hybrid technology helps redefine business analytics
IBM Systems Magazine, Mainframe - November/December 2013 - 23
IBM Systems Magazine, Mainframe - November/December 2013 - 24
IBM Systems Magazine, Mainframe - November/December 2013 - 25
IBM Systems Magazine, Mainframe - November/December 2013 - 26
IBM Systems Magazine, Mainframe - November/December 2013 - 27
IBM Systems Magazine, Mainframe - November/December 2013 - Feature: The System z Crystal Ball?: Teach the mainframe to predict the future using analytics and automation
IBM Systems Magazine, Mainframe - November/December 2013 - 29
IBM Systems Magazine, Mainframe - November/December 2013 - 30
IBM Systems Magazine, Mainframe - November/December 2013 - 31
IBM Systems Magazine, Mainframe - November/December 2013 - Tech Corner: Alternative metrics deliver a more complete view of hardware for server RFPs
IBM Systems Magazine, Mainframe - November/December 2013 - 33
IBM Systems Magazine, Mainframe - November/December 2013 - 34
IBM Systems Magazine, Mainframe - November/December 2013 - 35
IBM Systems Magazine, Mainframe - November/December 2013 - Administrator: QMF extends its analytics capabilities to help meet the demands of big data and mobile
IBM Systems Magazine, Mainframe - November/December 2013 - 37
IBM Systems Magazine, Mainframe - November/December 2013 - 38
IBM Systems Magazine, Mainframe - November/December 2013 - Solutions: TestBase; Vanguard Offline
IBM Systems Magazine, Mainframe - November/December 2013 - Stop Run: Historic property has much to teach retired IBMer
IBM Systems Magazine, Mainframe - November/December 2013 - Cover3
IBM Systems Magazine, Mainframe - November/December 2013 - Cover4
IBM Systems Magazine, Mainframe - November/December 2013 - Reference Point - Global Events, Education, Resources for Mainframe
IBM Systems Magazine, Mainframe - November/December 2013 - 2014 Mainframe Solutions Edition Product Index
IBM Systems Magazine, Mainframe - November/December 2013 - SE2
IBM Systems Magazine, Mainframe - November/December 2013 - SE3
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