diff options
Diffstat (limited to 'doc/time.n')
-rw-r--r-- | doc/time.n | 11 |
1 files changed, 7 insertions, 4 deletions
@@ -14,21 +14,23 @@ 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 microseconds per iteration\fR +\fB503.2 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} { @@ -36,9 +38,10 @@ time { } } .CE - .SH "SEE ALSO" clock(n) - .SH KEYWORDS script, time +.\" Local Variables: +.\" mode: nroff +.\" End: |