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# ------------------------------------------------------------------------
#
# test-performance.tcl --
#
# This file provides common performance tests for comparison of tcl-speed
# degradation or regression by switching between branches.
#
# To execute test case evaluate direct corresponding file "tests-perf\*.perf.tcl".
#
# ------------------------------------------------------------------------
#
# Copyright © 2014 Serg G. Brester (aka sebres)
#
# See the file "license.terms" for information on usage and redistribution
# of this file.
#
namespace eval ::tclTestPerf {
# warm-up interpreter compiler env, calibrate timerate measurement functionality:
# if no timerate here - import from unsupported:
if {[namespace which -command timerate] eq {}} {
namespace inscope ::tcl::unsupported {namespace export timerate}
namespace import ::tcl::unsupported::timerate
}
# if not yet calibrated:
if {[lindex [timerate {} 10] 6] >= (10-1)} {
puts -nonewline "Calibration ... "; flush stdout
puts "done: [lrange \
[timerate -calibrate {}] \
0 1]"
}
proc {**STOP**} {args} {
return -code error -level 4 "**STOP** in [info level [expr {[info level]-2}]] [join $args { }]"
}
proc _test_get_commands {lst} {
regsub -all {(?:^|\n)[ \t]*(\#[^\n]*|\msetup\M[^\n]*|\mcleanup\M[^\n]*)(?=\n\s*(?:[\{\#]|setup|cleanup|$))} $lst "\n{\\1}"
}
proc _test_out_total {} {
upvar _ _
set tcnt [llength $_(itm)]
if {!$tcnt} {
puts ""
return
}
set mintm 0x7FFFFFFF
set maxtm 0
set nettm 0
set wtm 0
set wcnt 0
set i 0
foreach tm $_(itm) {
if {[llength $tm] > 6} {
set nettm [expr {$nettm + [lindex $tm 6]}]
}
set wtm [expr {$wtm + [lindex $tm 0]}]
set wcnt [expr {$wcnt + [lindex $tm 2]}]
set tm [lindex $tm 0]
if {$tm > $maxtm} {set maxtm $tm; set maxi $i}
if {$tm < $mintm} {set mintm $tm; set mini $i}
incr i
}
puts [string repeat ** 40]
set s [format "%d cases in %.2f sec." $tcnt [expr {([clock milliseconds] - $_(starttime)) / 1000.0}]]
if {$nettm > 0} {
append s [format " (%.2f net-sec.)" [expr {$nettm / 1000.0}]]
}
puts "Total $s:"
lset _(m) 0 [format %.6f $wtm]
lset _(m) 2 $wcnt
lset _(m) 4 [format %.3f [expr {$wcnt / (($nettm ? $nettm : ($tcnt * [lindex $_(reptime) 0])) / 1000.0)}]]
if {[llength $_(m)] > 6} {
lset _(m) 6 [format %.3f $nettm]
}
puts $_(m)
puts "Average:"
lset _(m) 0 [format %.6f [expr {[lindex $_(m) 0] / $tcnt}]]
lset _(m) 2 [expr {[lindex $_(m) 2] / $tcnt}]
if {[llength $_(m)] > 6} {
lset _(m) 6 [format %.3f [expr {[lindex $_(m) 6] / $tcnt}]]
lset _(m) 4 [format %.0f [expr {[lindex $_(m) 2] / [lindex $_(m) 6] * 1000}]]
}
puts $_(m)
puts "Min:"
puts [lindex $_(itm) $mini]
puts "Max:"
puts [lindex $_(itm) $maxi]
puts [string repeat ** 40]
puts ""
unset -nocomplain _(itm) _(starttime)
}
proc _test_start {reptime} {
upvar _ _
array set _ [list itm {} reptime $reptime starttime [clock milliseconds] -from-run 0]
}
proc _test_iter {args} {
if {[llength $args] > 2} {
return -code error "wrong # args: should be \"[lindex [info level [info level]] 0] ?level? measure-result\""
}
set lvl 1
if {[llength $args] > 1} {
set args [lassign $args lvl]
}
upvar $lvl _ _
puts [set _(m) {*}$args]
lappend _(itm) $_(m)
puts ""
}
proc _adjust_maxcount {reptime maxcount} {
if {[llength $reptime] > 1} {
lreplace $reptime 1 1 [expr {min($maxcount,[lindex $reptime 1])}]
} else {
lappend reptime $maxcount
}
}
proc _test_run {args} {
upvar _ _
# parse args:
array set _ {-no-result 0 -uplevel 0 -convert-result {}}
while {[llength $args] > 2} {
if {![info exists _([set o [lindex $args 0]])]} {
break
}
if {[string is boolean -strict $_($o)]} {
set _($o) [expr {! $_($o)}]
set args [lrange $args 1 end]
} else {
if {[llength $args] <= 2} {
return -code error "value expected for option $o"
}
set _($o) [lindex $args 1]
set args [lrange $args 2 end]
}
}
unset -nocomplain o
if {[llength $args] < 2 || [llength $args] > 3} {
return -code error "wrong # args: should be \"[lindex [info level [info level]] 0] ?-no-result? reptime lst ?outcmd?\""
}
set _(outcmd) {puts}
set args [lassign $args reptime lst]
if {[llength $args]} {
set _(outcmd) [lindex $args 0]
}
# avoid output if only once:
if {[lindex $reptime 0] <= 1 || ([llength $reptime] > 1 && [lindex $reptime 1] == 1)} {
set _(-no-result) 1
}
if {![info exists _(itm)]} {
array set _ [list itm {} reptime $reptime starttime [clock milliseconds] -from-run 1]
} else {
array set _ [list reptime $reptime]
}
# process measurement:
foreach _(c) [_test_get_commands $lst] {
{*}$_(outcmd) "% [regsub -all {\n[ \t]*} $_(c) {; }]"
if {[regexp {^\s*\#} $_(c)]} continue
if {[regexp {^\s*(?:setup|cleanup)\s+} $_(c)]} {
set _(c) [lindex $_(c) 1]
if {$_(-uplevel)} {
set _(c) [list uplevel 1 $_(c)]
}
{*}$_(outcmd) [if 1 $_(c)]
continue
}
if {$_(-uplevel)} {
set _(c) [list uplevel 1 $_(c)]
}
set _(ittime) $_(reptime)
# if output result (and not once):
if {!$_(-no-result)} {
set _(r) [if 1 $_(c)]
if {$_(-convert-result) ne ""} { set _(r) [if 1 $_(-convert-result)] }
{*}$_(outcmd) $_(r)
if {[llength $_(ittime)] > 1} { # decrement max-count
lset _(ittime) 1 [expr {[lindex $_(ittime) 1] - 1}]
}
}
{*}$_(outcmd) [set _(m) [timerate $_(c) {*}$_(ittime)]]
lappend _(itm) $_(m)
{*}$_(outcmd) ""
}
if {$_(-from-run)} {
_test_out_total
}
}
}; # end of namespace ::tclTestPerf
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