AMD Athlon(tm) XP 1259.392 Mhz 2520.58 bogomips
------------------------------------------------------------- Ruby
#!/usr/bin/ruby

10000000.times { print "stuff1"," ","stuff2","\n" }

Running...
real	0m50.940s
user	0m49.107s
sys	0m1.836s

--------------------------------------------------- Python - range
#!/usr/bin/python

for i in range(1,10000000):
 print "stuff1","stuff2"

Running...
real	0m25.547s
user	0m25.230s
sys	0m0.320s

-------------------------------------------------- Python - xrange
#!/usr/bin/python

for i in xrange(1,10000000):
 print "stuff1","stuff2"

Running...
real	0m26.269s
user	0m26.254s
sys	0m0.016s

------------------------------------------------------------ PHP 5
#!/usr/bin/php5 -q
<?php 
for ( $i=0; $i<10000000; $i++ )
{
 echo "stuff1"." "."stuff2"."\n";
}
?>
Running...
real	0m18.649s
user	0m14.449s
sys	0m4.200s

-------------------------------------------------- C - gcc - write
#include <string.h>

#define RUNS 10000000UL
int main (void)
{
 unsigned long i;
 char *s1="stuff1";
 char *s2="stuff2";
 int l1=strlen(s1);
 int l2=strlen(s2);
 
 for (i=0;i<RUNS;i++) 
 {
  write(1,s1,l1);
  write(1," ",1);
  write(1,s2,l2);
  write(1,"\n",1);
 }
 return 0;
}
Compiling...
real	0m0.188s
user	0m0.164s
sys	0m0.024s
Running...
real	0m21.353s
user	0m7.572s
sys	0m13.781s

---------------------------------------------- C - g++ - std::cout
#include <iostream>

#define RUNS 10000000UL
int main()
{
 unsigned long i;
 for (i=0;i<RUNS;i++) {
 std::cout << "stuff1" << " " << "stuff2" << std::endl;
 }
 return 0;
}
Compiling...
real	0m0.986s
user	0m0.904s
sys	0m0.080s
Running...
real	0m14.836s
user	0m10.425s
sys	0m4.416s

------------------------------------------------------------- Perl
#!/usr/bin/perl

my $i=0;
for ($i=0;$i<10000000;$i++)
{
 print ("stuff1"," ","stuff2","\n");
}
Running...
real	0m14.115s
user	0m13.005s
sys	0m0.012s

------------------------------------------------- C - tcc - printf
#include <stdio.h>

#define RUNS 10000000UL
int main (void)
{
 unsigned long i;
 for (i=0;i<RUNS;i++) 
 {
  printf("%s %s\n","stuff2","stuff2");
 }
 return 0;
}
Compiling...
real	0m0.012s
user	0m0.008s
sys	0m0.004s
Running...
real	0m4.987s
user	0m4.856s
sys	0m0.032s

------------------------------------------------- C - tcc - fwrite
#include <stdio.h>
#include <string.h>

#define RUNS 10000000UL
int main (void)
{
 unsigned long i;
 char *s1="stuff1";
 char *s2="stuff2";
 int l1=strlen(s1);
 int l2=strlen(s2);
 
 for (i=0;i<RUNS;i++) 
 {
  fwrite(s1,l1,1,stdout);
  fwrite(" ",1,1,stdout);
  fwrite(s2,l2,1,stdout);
  fwrite("\n",1,1,stdout);
 }
 return 0;
}
Compiling...
real	0m0.017s
user	0m0.012s
sys	0m0.004s
Running...
real	0m3.678s
user	0m3.672s
sys	0m0.004s

----------------------------------------------- C<<1 - tcc - print
#include "cll1.h"

program
{
 repeat(10000000)
  print("stuff1","stuff2");
}
Compiling...
real	0m0.022s
user	0m0.016s
sys	0m0.004s
Running...
real	0m4.853s
user	0m4.836s
sys	0m0.016s

-------------------------------------------------- C - tcc - fputs
#include <stdio.h>

#define RUNS 10000000UL
int main (void)
{
 unsigned long i;
 for (i=0;i<RUNS;i++) {
  fputs("stuff1",stdout);
  fputs(" ",stdout);
  fputs("stuff2",stdout);
  fputs("\n",stdout);
 }
 return 0;
}
Compiling...
real	0m0.012s
user	0m0.008s
sys	0m0.004s
Running...
real	0m4.065s
user	0m4.040s
sys	0m0.024s

------------------------------------------------- C - gcc - printf
#include <stdio.h>

#define RUNS 10000000UL
int main (void)
{
 unsigned long i;
 for (i=0;i<RUNS;i++) 
 {
  printf("%s %s\n","stuff2","stuff2");
 }
 return 0;
}
Compiling...
real	0m0.180s
user	0m0.152s
sys	0m0.028s
Running...
real	0m4.877s
user	0m4.860s
sys	0m0.020s

------------------------------------------------- C - gcc - fwrite
#include <stdio.h>
#include <string.h>

#define RUNS 10000000UL
int main (void)
{
 unsigned long i;
 char *s1="stuff1";
 char *s2="stuff2";
 int l1=strlen(s1);
 int l2=strlen(s2);
 
 for (i=0;i<RUNS;i++) 
 {
  fwrite(s1,l1,1,stdout);
  fwrite(" ",1,1,stdout);
  fwrite(s2,l2,1,stdout);
  fwrite("\n",1,1,stdout);
 }
 return 0;
}
Compiling...
real	0m0.205s
user	0m0.156s
sys	0m0.048s
Running...
real	0m3.640s
user	0m3.620s
sys	0m0.020s

----------------------------------------------- C<<1 - gcc - print
#include "cll1.h"

program
{
 repeat(10000000)
  print("stuff1","stuff2");
}
Compiling...
real	0m0.378s
user	0m0.336s
sys	0m0.040s
Running...
real	0m4.457s
user	0m4.448s
sys	0m0.012s

-------------------------------------------------- C - gcc - fputs
#include <stdio.h>

#define RUNS 10000000UL
int main (void)
{
 unsigned long i;
 for (i=0;i<RUNS;i++) {
  fputs("stuff1",stdout);
  fputs(" ",stdout);
  fputs("stuff2",stdout);
  fputs("\n",stdout);
 }
 return 0;
}
Compiling...
real	0m0.190s
user	0m0.172s
sys	0m0.020s
Running...
real	0m2.556s
user	0m2.544s
sys	0m0.012s