PGI 7.1-0 Compilers for Linux. Optimization, Compiler, and Other flags for use by SPEC CPU2006


Selecting one of the following will take you directly to that section:

Optimization Flags

Portability Flags

Compiler Flags

Other Flags

System and Other Tuning Information

Platform settings

One or more of the following settings may have been set. If so, the "Platform Notes" section of the report will say so; and you can read below to find out more about what these settings mean.

Power Regulator for ProLiant support (Default=HP Dynamic Power Savings Mode)

Values for this BIOS setting can be:

Node Interleaving Enabled (Default = Disabled):

This BIOS option allows the enabling/disabling of memory interleaving across CPU nodes. When disabled, each CPU chip can only access memory within its own node.

submit = echo "$command" > ; $BIND bash

When running multiple copies of benchmarks, the SPEC config file feature submit is sometimes used to cause individual jobs to be bound to specific processors. This specific submit command is used for Linux. The description of the elements of the command are:

Linux Huge Page settings

In order to take full advantage of using PGI's huge page runtime library, your system must be configured to use huge pages. It is safe to run binaries compiled with "-Msmartalloc=huge" on systems not configured to use huge pages, however, you will not benefit from the performance improvements huge pages offer. To configure your system for huge pages perform the following steps:

Note that further information about huge pages may be found in your Linux documentation file: /usr/src/linux/Documentation/vm/hugetlbpage.txt

ulimit -s (Linux)

Sets the stack size to n kbytes, or unlimited to allow the stack size to grow without limit.

ulimit -l (Linux)

Sets the the maximum size that may be locked into memory to n kbytes.