Red Hat NETWORK WORKGROUP - USER 1.0 Installationsanleitung PDF herunterladen (Seite 25)

SGI Performance Suite Software Bundles

007-5680-001 3

Message Passing Toolkit (MPT) User’s Guide.

Uniﬁed Parallel C (UPC) User’s Guide.

For more information on xpmem and SHMEM, see the “System Partitioning” section of

Chapter 2. “Conﬁguring Your System” in the SGI Altix UV Systems Linux Conﬁguration

and Operations Guide.

SGI® REACT™

SGI® REACT™ is hard real-time performance for Linux and includes the following

software packages:

• Linux REACT stack

• External interrupt driver

• REACT/Pro Frame Scheduler

The REACT/Pro Frame Scheduler is an execution manager that schedules

pthreads or processes on one or more CPUs in a predeﬁned cyclic order (see the

frs(3) man page).

• Kernel barrier (kbar) facility

The kernel barrier (kbar) facility provides for the fast wakeup of many blocked

user threads. When the barrier is signaled the operating system will use a

conﬁgurable number of CPUs to quickly wake all the hreads blocked on it (seethe

kbar(3) man page).

• sgi-shield kernel module

Enables the use of the cpu_shield routine that controls timer interrupts on select

CPUs

• User level interrupt facility (see the uli(3) man page).

• SGI Linux Trace (SLT)

For more information on SGI REACT, see REACT Real-Time Programmer’s Guide.

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Red Hat NETWORK WORKGROUP - USER 1.0 Installationsanleitung Seite 25