C:\test>587072 -N=10 -KEYS=a,b
dispatch =>
# line 1 "dispatch.pl"
        my $x += ( $dispatch{ $_ } ||= $dispatch{ default } )  for @data;

ifelse =>
# line 1 "ifelse.pl"
        for( @data ) {
            if( $_ eq "a" ) { my $x = $dispatch{ a } }
            elsif( $_ eq "b" ) { my $x = $dispatch{ b } }
            else{ my $x = $dispatch{ default } }
        }

            Rate   ifelse dispatch
ifelse   39306/s       --     -29%
dispatch 55351/s      41%       --

##</code><code>##

C:\test>587072 -N=10 -KEYS=a,b
dispatch =>
# line 1 "dispatch.pl"
        my $x += ( $dispatch{ $_ } ||= $dispatch{ default } )->()  for @data;

ifelse =>
# line 1 "ifelse.pl"
        for( @data ) {
            if( $_ eq "a" ) { my $x = $dispatch{ a }->() }
            elsif( $_ eq "b" ) { my $x = $dispatch{ b }->() }
            else{ my $x = $dispatch{ default }->() }
        }

            Rate   ifelse dispatch
ifelse   21966/s       --     -15%
dispatch 25880/s      18%       --

C:\test>587072 -N=10 -KEYS=a,b,c
dispatch =>
# line 1 "dispatch.pl"
        my $x += ( $dispatch{ $_ } ||= $dispatch{ default } )->()  for @data;

ifelse =>
# line 1 "ifelse.pl"
        for( @data ) {
            if( $_ eq "a" ) { my $x = $dispatch{ a }->() }
            elsif( $_ eq "b" ) { my $x = $dispatch{ b }->() }
            elsif( $_ eq "c" ) { my $x = $dispatch{ c }->() }
            else{ my $x = $dispatch{ default }->() }
        }

            Rate   ifelse dispatch
ifelse   16250/s       --     -22%
dispatch 20798/s      28%       --


##</code><code>##

C:\test>587072 -N=10 -KEYS=a,b,c,d,e,f,g
dispatch =>
# line 1 "dispatch.pl"
        my $x += ( $dispatch{ $_ } ||= $dispatch{ default } )->()  for @data;

ifelse =>
# line 1 "ifelse.pl"
        for( @data ) {
            if( $_ eq "a" ) { my $x = $dispatch{ a } }
            elsif( $_ eq "b" ) { my $x = $dispatch{ b } }
            elsif( $_ eq "c" ) { my $x = $dispatch{ c } }
            elsif( $_ eq "d" ) { my $x = $dispatch{ d } }
            elsif( $_ eq "e" ) { my $x = $dispatch{ e } }
            elsif( $_ eq "f" ) { my $x = $dispatch{ f } }
            elsif( $_ eq "g" ) { my $x = $dispatch{ g } }
            else{ my $x = $dispatch{ default } }
        }

            Rate dispatch   ifelse
dispatch 10511/s       --      -8%
ifelse   11428/s       9%       --

C:\test>587072 -N=10 -KEYS=a,b,c,d,e,f,g,h
dispatch =>
# line 1 "dispatch.pl"
        my $x += ( $dispatch{ $_ } ||= $dispatch{ default } )->()  for @data;

ifelse =>
# line 1 "ifelse.pl"
        for( @data ) {
            if( $_ eq "a" ) { my $x = $dispatch{ a } }
            elsif( $_ eq "b" ) { my $x = $dispatch{ b } }
            elsif( $_ eq "c" ) { my $x = $dispatch{ c } }
            elsif( $_ eq "d" ) { my $x = $dispatch{ d } }
            elsif( $_ eq "e" ) { my $x = $dispatch{ e } }
            elsif( $_ eq "f" ) { my $x = $dispatch{ f } }
            elsif( $_ eq "g" ) { my $x = $dispatch{ g } }
            elsif( $_ eq "h" ) { my $x = $dispatch{ h } }
            else{ my $x = $dispatch{ default } }
        }

           Rate dispatch   ifelse
dispatch 9558/s       --      -1%
ifelse   9635/s       1%       --

C:\test>587072 -N=10 -KEYS=a,b,c,d,e,f,g,h,i
dispatch =>
# line 1 "dispatch.pl"
        my $x += ( $dispatch{ $_ } ||= $dispatch{ default } )->()  for @data;

ifelse =>
# line 1 "ifelse.pl"
        for( @data ) {
            if( $_ eq "a" ) { my $x = $dispatch{ a } }
            elsif( $_ eq "b" ) { my $x = $dispatch{ b } }
            elsif( $_ eq "c" ) { my $x = $dispatch{ c } }
            elsif( $_ eq "d" ) { my $x = $dispatch{ d } }
            elsif( $_ eq "e" ) { my $x = $dispatch{ e } }
            elsif( $_ eq "f" ) { my $x = $dispatch{ f } }
            elsif( $_ eq "g" ) { my $x = $dispatch{ g } }
            elsif( $_ eq "h" ) { my $x = $dispatch{ h } }
            elsif( $_ eq "i" ) { my $x = $dispatch{ i } }
            else{ my $x = $dispatch{ default } }
        }

           Rate   ifelse dispatch
ifelse   8092/s       --      -6%
dispatch 8566/s       6%       --