par_ops man page on DragonFly

par_ops man page on DragonFly

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PAR_OPS(8)			    LMBENCH			    PAR_OPS(8)

NAME
       par_ops - basic CPU operation parallelism

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	opera‐
	      tions.

       uint64 bit, add, mul, div, mod operations;
	      maximum  parallelism  for	 uint64 XOR, ADD, MUL, DIV, MOD opera‐
	      tions.

       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.

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

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