... connector performance and
is improved through an automated process.
• What is the typical performance of un-tuned mated connectors in the field?
Typical performance of non-tuned mated connectors ... white paper
High Performance Connectors
ADC works to continuously improve its products and processes with respect to quality and
performance. Specifically, ADC has made ... fiber...
... HIGH PERFORMANCE DRIVES
E Levi, 2001
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HIGH PERFORMANCE DRIVES
E Levi, 2001
57
applied through a rate-of-change li...
...
(
R
i
)
Figure 2.1 Uniform distribution (no skew)
Highly Skewed
0
10000
20000
30000
40000
Number of Records
(R
i
)
12345678
Processor Number
Figure 2.2 Highly skewed distribution
example, jRjD100;000 ... each
processor is uniform as expected—that is, 12,500 records each.
In the highly skewed graph (Fig. 2.2), we use θ D 1 to model a high- skew
distribution. The most heavily loaded proc...
... pro-
cessing skew in parallel sorting is a challenge without which performance
degradation can be expected, especially when a high degree of skewness is
involved.
ž
As a rule of thumb for selecting ... be adopted:
Ž
If processing skew degree is high, then use parallel redistribution merge-all
sort.
Ž
If both data skew and processing skew degrees are high OR no skew,then
use parallel pa...
... High Performance MySQL: Optimi-
zation, Backups, Replication, and More, Second Edition, by Baron Schwartz et al.
Copyright 2008 O’Reilly Media, Inc., 9780596101718.”
156
|
Chapter 4: Query Performance ... join strategy later in this
chapter.)
160
|
Chapter 4: Query Performance Optimization
Query Execution Basics
If you need to get high performance from your MySQL server, one of the...
... for the connection of the
latest, highly reliable, high performance peripheral devices such as RAID disks.
FC offers the advantages of connectivity to newer high performance RAID stor-
age systems ... Benkert
Toshiyuki Furui · Yoshiki Seo · Wolfgang Bez
Editors
High Performance
Computing
on Vector Systems
Proceedings of the High Performance Computing Center
Stuttgart, March 200...
... analyzing the performance using
them the user can locate the program area in which a performance problem lies.
Correcting these problems can improve the program performance. Figure 9 shows
performance ... the
achievable theoretical peak performance from the basic performance character-
istics of an architecture such as memory bandwidth and peak performance. If
performance is lim...
... a cluster of SMP’s which are interconnected by
a high speed network switch, and each node comprises eight vector PE’s. In order
to achieve high performance in such an architecture, the intra-node ... optical transition in higher energy region is
also available in such nanotubes according to our first-principles calculation of
dipole-matrix elements. We suspected that such high- energy e...
... to thank Uwe K¨uster of the High Performance Comput-
ing Center Stuttgart’ (HLRS) for his continuing interest and most helpful advice
and the staff of ‘NEC – High Performance Computing Europe’ ... also be seen in the sustained performance
given in Table 2 as percentage of peak performance. The original code not written
for any specific architecture has only a poor performance on the...
... Helicopter 135
8 Performance on NEC SX-8 Vector Computer
In spring 2005 the next generation vector computer NEC SX-8 was installed as
the successor of the NEC SX-6 at the High Performance Computing ... evaluation of the NEC SX-8 performance will be given in this section.
The parallel performance of the NEC SX-8 is presented in Table 4. The data can
be directly compared to the perfo...