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Man Pages


Manual Reference Pages  -  PAR_OPS (8)

NAME

par_ops - basic CPU operation parallelism

CONTENTS

Synopsis
Description
Bugs

SYNOPSIS

par_ops [ -W <warmups> ] [ -N <repetitions> ]

DESCRIPTION

par_ops measures the available parallelism for basic CPU operations, such as integer ADD. Results are reported as the average operation latency divided by the minimum average operation latency across all levels of parallelism.
integer bit, add, mul, div, mod operations;
  maximum parallelism for integer XOR, ADD, MUL, DIV, MOD operations.
uint64 bit, add, mul, div, mod operations;
  maximum parallelism for uint64 XOR, ADD, MUL, DIV, MOD operations.
float add, mul, div operations;
  maximum parallelism for flot ADD, MUL, DIV operations.
double add, mul, div operations;
  maximum parallelism for flot ADD, MUL, DIV operations.

BUGS

This benchmark is highly experimental and may sometimes (frequently?) give erroneous results.

SEE ALSO

lmbench(8), lat_ops(8), par_mem(8).

AUTHOR

Carl Staelin and Larry McVoy

Comments, suggestions, and bug reports are always welcome.

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(c)2000 Carl Staelin and Larry McVoy PAR_OPS (8) $Date$

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