Proste sprawdzenie szybkości działania.
Benchmark

C
#include
int main()
{
int i;
int j;
int k=0;
int s=0;
for(j=0;j<=10001;j++)
{
for(i=0;i<=10002;i++)
{
k=1-k;
s=s+k;
}
s-=1003;
};
printf("%d\n",s);
return 0;
}
gcc -o b-gcc b.c
clang -o b-clang b.c wynik 0.236 s
Taktentus
%% Program służy do testów wydajności
s := 0
k := 0
j := 10001
i := 10002
jeden := 1
jeden -= k
k := jeden
s += k
i --
@ <= i
_ := 4 %% pętla i
s -= 1003
j --
@ <= j
_ := 3 %% pętla j
@wy_n := s
@wy := @n
PHP
#!/usr/bin/php5
<?php
$s=0;
$k=0;
for ($j = 0; $j <= 10001; $j++)
{
for ($i = 0; $i <= 10002; $i++)
{
$k=1-$k;
$s=$s+$k;
}
$s=$s-1003;
}
echo $s;
?>
Ruby
#!/usr/bin/ruby
s=0
k=0
for j in 0..10001
for i in 0..10002
k=1-k
s+=k
end
s-=1003
end
puts "#{s}"
Lua
#!/usr/bin/lua5.1
s=0;
k=0;
for j=0,10001 do
for i=0,10002 do
k=1-k;
s=s+k;
end
s=s-1003;
end
print (s)
Python
#!/usr/bin/python
s = 0
k = 0
for j in xrange(0,10002):
for i in xrange(0,10003):
k = 1 - k
s = s + k
s = s - 1003
print s
Perl
#!/usr/bin/perl
$s=0;
$k=0;
for( $j = 0; $j <= 10001; $j++ )
{
for( $i = 0; $i <= 10002; $i++ )
{
$k=1-$k;
$s+=$k;
};
$s-=1003;
}
print "$s\n";
gawk
#!/usr/bin/gawk -f
BEGIN {
s = 0
k = 0
j = 0
i = 0
for (j = 0; j <= 10001; j++) {
for (i = 0; i <= 10002; i++) {
k=1-k
s=s+k
}
s=s-1003
}
printf("%d\n", s)
exit
}
tclsh 1 m 58.174 s
bc -ql 1 m 59.135 s
bash 20 m 0.766 s
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