diff options
Diffstat (limited to 'doc/time.n')
-rw-r--r-- | doc/time.n | 13 |
1 files changed, 5 insertions, 8 deletions
@@ -4,7 +4,7 @@ '\" '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. -'\" +'\" .TH time n "" Tcl "Tcl Built-In Commands" .so man.macros .BS @@ -14,23 +14,21 @@ time \- Time the execution of a script .SH SYNOPSIS \fBtime \fIscript\fR ?\fIcount\fR? .BE + .SH DESCRIPTION .PP This command will call the Tcl interpreter \fIcount\fR times to evaluate \fIscript\fR (or once if \fIcount\fR is not specified). It will then return a string of the form -.PP .CS -\fB503.2 microseconds per iteration\fR +\fB503 microseconds per iteration\fR .CE -.PP which indicates the average amount of time required per iteration, in microseconds. Time is measured in elapsed time, not CPU time. .SH EXAMPLE Estimate how long it takes for a simple Tcl \fBfor\fR loop to count to a thousand: -.PP .CS time { for {set i 0} {$i<1000} {incr i} { @@ -38,10 +36,9 @@ time { } } .CE + .SH "SEE ALSO" clock(n) + .SH KEYWORDS script, time -.\" Local Variables: -.\" mode: nroff -.\" End: |