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Archived Performance Articles
28 Mar 2014
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Best Practices - Top Ten Tuning Tips Updated [35605]
By Jeff Savit

Oracle VM Server for SPARC is a high performance virtualization technology for SPARC servers. It provides native CPU performance without the virtualization overhead typical of hypervisors. The way memory and CPU resources are assigned to domains avoids problems often seen in other virtual machine environments, and there are intentionally few "tuning knobs" to adjust.

However, there are best practices that can enhance or ensure performance. This blog post lists and briefly explains performance tips and best practices that should be used in most environments. Detailed instructions are in the Oracle VM Server for SPARC Administration Guide...
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27 Mar 2014
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SPARC M6-32 Produces SAP SD Two-Tier Benchmark World Record for 32-Processor Systems [35494]
140,000 SAP SD benchmark users with a low average dialog response time of 0.58 seconds

Oracle's SPARC M6-32 server produced a world record result for 32-processors on the SAP two-tier Sales and Distribution (SD) Standard Application Benchmark using SAP Enhancement Package 5 for SAP ERP 6.0 (32 chips / 384 cores / 3072 threads).

SPARC M6-32 server achieved 140,000 SAP SD benchmark users with a low average dialog response time of 0.58 seconds running the SAP two-tier Sales and Distribution (SD) Standard Application Benchmark using SAP Enhancement package 5 for SAP ERP 6.0.

The SPARC M6-32 delivered 2.5 times more users than the IBM Power 780 result using SAP Enhancement Package 5 for SAP ERP 6.0. The IBM result also had 1.7 times worse average dialog response time compared to the SPARC M6-32 server result.

The SPARC M6-32 delivered 3.0 times more users than the Fujitsu PRIMEQUEST 2800E (with Intel Xeon E7-8890 v2 processors) result. The Fujitsu result also had 1.7 times worse average dialog response time compared to the SPARC M6-32 server result.

The SPARC M6-32 server solution was run with Oracle Solaris 11 and used Oracle Database 11g.
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27 Mar 2014
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A few Thoughts about Single Thread Performance [35495]
By Stefan Hinker

Stefan Hinker writes, "There's a question I get asked over and over again: How do you measure single thread performance?

As much as I'd like, the answer isn't as easy as the question. And it's a little longer, too.

Let's start with a definition of single thread performance, because even that isn't as clear as one would think. In this blog, single thread performance is the amount of work completed by some software that runs as a single stream of instructions in a certain amount of time.

All of this, of course, is used to evaluate the performance (yet another use of that term!) of a computer system, or sometimes a component of a computer system with regards to the single thread performance one can expect.

But enough of this, what we really want to know is what possibilities we have to measure, and of course compare, single thread performance..."
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05 Mar 2014
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SPARC T5-2 Delivers World Record 2-Socket SPECvirt_sc2010 Benchmark [35182]
two-chip SPECvirt_sc2010 result of 4270 @ 264 VMs

Oracle's SPARC T5-2 server delivered a world record two-chip SPECvirt_sc2010 result of 4270 @ 264 VMs, establishing performance superiority in virtualized environments of the SPARC T5 processors with Oracle Solaris 11, which includes as standard virtualization products Oracle VM for SPARC and Oracle Solaris Zones.

The SPARC T5-2 server has 2.3x better performance than an HP BL620c G7 blade server (with two Westmere EX processors) which used VMware ESX 4.1 U1 virtualization software (best SPECvirt_sc2010 result on two-chip servers using VMware software).

The SPARC T5-2 server has 1.6x better performance than an IBM Flex System x240 server (with two Sandy Bridge processors) which used Kernel-based Virtual Machines (KVM).

This is the first SPECvirt_sc2010 result using Oracle production level software: Oracle Solaris 11.1, Oracle WebLogic Server 10.3.6, Oracle Database 11g Enterprise Edition, Oracle iPlanet Web Server 7 and Oracle Java Development Kit 7 (JDK). The only exception for the Dovecot mail server.
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25 Feb 2014
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Avoiding Performance Loss from RAW Hazards [35070]
by Darryl Gove

Darryl explains exactly how a processor can stall from a bad RAW operation, and the common situations that cause this problem. Then he shows you how to identify, fix, and avoid writing that kind of code. Examples included. Help your loved ones move on. Read Darryl's article.

Darryl Gove is a senior principal software engineer in the Oracle Solaris Studio team, working on optimizing applications and benchmarks for current and future processors. He is also the author of the books "Multicore Application Programming", "Solaris Application Programming", and "The Developer's Edge."
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18 Feb 2014
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SPARC T5-2 Produces SPECjbb2013-MultiJVM World Record [34976]
for 2-Chip Systems

The Oracle BestPerf blogs reports that, "The SPECjbb2013 benchmark shows modern Java application performance. Oracle's SPARC T5-2 set a two-chip world record, which is 1.8x faster than the best two-chip x86-based server. Using Oracle Solaris and Oracle Java, Oracle delivered this two-chip world record result on the MultiJVM SPECjbb2013 metric.

The SPARC T5-2 server achieved 114,492 SPECjbb2013-MultiJVM max-jOPS and 43,963 SPECjbb2013-MultiJVM critical-jOPS on the SPECjbb2013 benchmark. This result is a two-chip world record.

The SPARC T5-2 server running SPECjbb2013 is 1.8x faster than the Cisco UCS C240 M3 server (2.7 GHz Intel Xeon E5-2697 v2) based on both the SPECjbb2013-MultiJVM max-jOPS and SPECjbb2013-MultiJVM critical-jOPS metrics..."
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