6%
05.12.2011
enhancements. Compiler support is being rapidly released immediately by various vendors.
Short term, we are driving to release 4.0 – tentatively, next year with content which will probably include accelerator
6%
12.11.2011
processing capability. So, typically, you want – it varies obviously – but you want 4 to 8 drives per node in a Hadoop cluster, and that’s typically not something you would do on an Altix ICE type of system
7%
10.11.2011
.
• 8, 12, and 16 cores available
• 2/4 socket; 4 memory channels
• Expected to deliver up to 35%+1 higher performance, up to 46%2 lower processor power in idle
• Easily integrated into existing AMD
6%
07.11.2011
something like the following code snippet:
#pragma omp name_of_directive [clauses]
Compilers that don’t support OpenMP, such as older versions of GCC before version 4.2, will just ignore the compiler
6%
07.11.2011
shows an example of how Linux outputs this information for x86 architectures.
Listing 1: Linux Topology
$ cat /proc/cpuinfo
[...]
processor : 3
[...]
physical id : 0
siblings : 4
core id : 3
cpu
6%
07.11.2011
to the created subprocesses in a few different ways. To see these concepts in action, run the code shown in Listing 4 (miscellaneous.py
).
Listing 4: miscellaneous.py
01 #! /usr/bin/env python2.7
02
03 import
6%
04.11.2011
). The reason for this is that some video card models don’t support storing arbitrary addresses [14]. If you use addresses that are integer-aligned (every 4 bytes), you are definitely on the safe side.
If you
6%
04.11.2011
cases, administrators turn to projects such as Parallel SSH [4] to handle SSH automation for cluster administration.
Another important part of administration is hardware monitoring to identify
6%
04.11.2011
, and even some instructions that are available only on AMD-based systems (XOP and FMA4). The new Flex FP floating point complex is specifically tuned for those technical workloads. But the modularity
6%
04.11.2011
Recent trends in computing are toward more cores doing more tasks at once. These days, you are likely to have a dual- or quad-core CPU in your laptop, and perhaps 4, 6, 12, or 16 cores in your