IBM GC28-1982-02 manual 190, Internet, Hook, Kerberos, Hot Spot

gprof

.

A

UNIX

command

that

produces

an

executionfiles are

in

a

form that

allows

them

to

be

installed

profile of C, Pascal, Fortran,

or

COBOL

programsremoved.The

with

the installpAIX

command.

See

also

execution profile is in a textual and

tabularfilesetformat,Licensed. It Programis

Product, andpackage.

useful

for

identifying

which

routines

use

the

most

CPU

time.

See

the

man

pagegprof

.on

Internet .

The collection of worldwide networks and

gateways

which

function

as

a

single,

cooperative

virt

GUI

(Graphical

User

Interface)

.

A

type

of

computernetwork.

interface

consisting

of

a

visual

metaphor

of

a

real-world

scene,

often

of

a

desktop. Within

that

Internet

Protocol

(IP)

.

1)

The

TCP/IP

protocol

that

scene

are

icons,

representing

actual

objects,

provides

packet delivery between the hardware and

that the user can access

and

manipulate

with

a

pointing

device.

user

processes.

2) The SP Switch library, provided w

the

Parallel System Support Programs, that follows the

H

IP

protocol of

TCP/IP.

IP .

SeeInternet

Protocol.

SP Switch . The high-performance message passing

network, of the IBM RS/6000 SP(SP) machine, that

J

connects

all

processor

nodes.

HIPPI

.

High performance

parallel

interface.

Jacobi-Seidel

. SeeGauss-Seidel.

hook

. hook

ispdbxa

command

that

allows

you

job

management

system

.

to

re-establish

control

over

all

task(s)

in

the

current

context

use

to manage

the

jobs across

yo

that

were

previously

unhooked

with this

The

software

you

command.

based on

the

availability and

state

of

syst

system,

home

node

.

The

node

from

which

an

resources.

application

developer compiles and runs his

program.

The

home

node

can

be

any

workstation

on

the

LAN.

K

host .

A

computer

connected

to

a

network,

and

A

publicly

available

security and

Kerberos .

providing

an

access

method

to

that

network.

A

host

the

Parallel

provides

end-user

services.

authentication product that works with

System Support Programs software to authenticate the

host

list

file.

A

file

that

contains

a

list

of

execution

of

remote

commands.

host

names,

and

possibly

other

information,

that

was

defined

by

the

sys

application

which

reads

it.

kernel

.

The core portion of the UNIX operating

which

controls

the

resources

of

the

CPU

and

allocate

host

name .

The

name

used

to

uniquely

them to the users. The kernel is memory-resident, is

identify

any

runkernelin

mode (in

other

words,

at

higher

computer

on

a

network.

said

to

execution priority levuserl

thanmode)

and

is

protected

hot

spot .

A

memory

location

or

synchronization

from

user

tampering

by

the

hardware.

resource for which multiple processors compete

excessively.

This

competition

can

cause

a

L

disproportionately

large

performance

degradation

when

one

processor

that

seeks the

resource

blocks,

equation

.

A

homogeneous

partial

Laplace's

preventing

many

other

processors

from

having

it,

thereby

forcing

them

to

become

idle.

differential equation used to describe heat transfe

electric

fields, and many other applications.

I

The

dimension-free

version

of

Laplace's

equation

is:

IBM

Parallel

Environment

for

AIX

.

A

program

product that provides an execution and development

environment

for

parallel

FORTRAN,

C,

or

C++

The two-dimensional version of Laplace's equation may

programs.

It

also

includes

tools

for

debugging,

profiling,

and

tuning

parallel

programs.

be

written

as:

installation

image

.

A file or collection of files that are

required in order to install

a software product on a IBM

RS/6000

workstation

or

on

SP

system

nodes.

These

190

IBM

PE

for

AIX

V2R4.0:

Messages