IBM GC28-1982-02 manual Trace Record, Unrolling loops . Seeloop unrolling, Visualization Tool

debugger to print information about the state of the

program.

V

trace

record .

In

PE,

a collection

of

variable

.

(1)

In

programming

languages,

a

named

information

about

a

specific

event

that

occurred

during

the

object that may take different values, one at a ti

execution of

your

program.

For

example,

a

trace

record

is

values of a variable are usually restricted to one

created

for

A

quantity

that

can

assume

any

of

a

give

each

send

and

receive

operation

that

type.

(2)

occurs

in

your

to

represent

a data

it

program

(this

is

optional

and

may

not

be

of values. (3) A name used

appropriate).

can be changed

while the

program

is

These

records

are

then

accumulated

into

a

whose

value

trace

file

represent

data

whose

which

allows

the

Visualization

Tool

to

running. (4) A name used to

visually

display

the

communications

patterns from

the

program.

value

can be changed, while the program is running, b

referring

to

the

name

of the

variable.

U

unrolling loops . Seeloop unrolling.

view . (1) In an information resource directory, the combination of a variation name and revision number that is used as a component of an access name or descriptive name.

US .

Seeuser space.

Visualization Tool

.

The

PE

Visualization

Tool.

This

user .

(1)

A

person

who

requires

the

servicestool

ofusesa

information

that is captured

as

your paral

computing system. (2) Any person or any

thingprogramthat

mayexecutes,

and

presents

a

graphical

display o

issue or receive commands and message

to

orthefromprogramthe execution. For more information,IBM

see

information

processing

system.

Parallel Environment for AIX: Operation and Use,

user space

(US) .

Volume

2.

A

version

of

the

message

passing

library

that

is

optimized for

direct

accessVT .to SeetheVisualizationSP

.Tool

Switch

, that

maximizes the

performance

capabilities

of

the

SP

hardware.

X

utility

program .

A computer program in general

X a Window

System

.

The

UNIX

industry's

graphics

support

of

computer

processes;

for

example,

diagnostic

program, a

trace

program,

a sort

windowing standard that provides simultaneous views of

program.

several executing programs or processes on high

resolution

graphics

displays.

utility routine . A routine in general support of the

processes

of

a

computer;

for

example,

an

input

routine.

xpdbx . This is the former name of the PE graphical

interface

debugging

facility,

whichpedb

is. now

called

Xprofiler . An AIX tool that is used to analyze the

performance of both

serial

and parallel

applications,

a graphical user interface. Xprofiler provides quick

access to the profiled data,

so

that

the functions

are

the

most

CPU-intensive

can

be

easily identified.

194 IBM PE for AIX V2R4.0: Messages