wc-ltrace.txt

# 10K lines.

##  crystal
$ ltrace -c ./wcg < top10K.txt 
   10000   40000
% time     seconds  usecs/call     calls      function
------ ----------- ----------- --------- --------------------
 91.16    8.003541         159     50279 memcpy
  3.57    0.313160         200      1562 memset
  1.61    0.140969         179       787 pthread_mutex_trylock
  1.40    0.123235         168       731 pthread_mutex_unlock
  0.71    0.062000         171       362 pthread_cond_broadcast
  0.61    0.053994        7713         7 pthread_create
  0.47    0.040891        3717        11 pthread_cond_wait
  0.06    0.004981         199        25 memmove
  0.04    0.003910         162        24 read
  0.04    0.003590         138        26 sbrk

## C
$ ltrace -c wc -lw  < top10K.txt 
 10000  40000
% time     seconds  usecs/call     calls      function
------ ----------- ----------- --------- --------------------
 31.70    4.005181          28    138890 wcwidth
 31.68    4.002060          28    138890 iswspace
 31.64    3.997547          28    138890 iswprint
  2.29    0.289029          28     10000 mbrtowc
  2.28    0.288011          28     10000 mbsinit
  0.18    0.023349       23349         1 dcgettext
  0.11    0.013919          91       152 malloc
  0.06    0.007156          81        88 free

### Perl
$ ltrace -c perl ./wc.pl  < top10K.txt 
10000  40000
% time     seconds  usecs/call     calls      function
------ ----------- ----------- --------- --------------------
 30.36    1.118677          27     40400 malloc
 30.01    1.105911          27     40118 free
 29.98    1.104500          27     40110 memmove
  7.87    0.290138          27     10409 memcmp
  0.35    0.012853          41       308 memcpy
  0.34    0.012526          40       306 strlen
  0.30    0.010930          40       271 calloc
  0.12    0.004442          46        95 pthread_getspecific
  0.09    0.003189          39        81 realloc
  0.07    0.002649          38        69 sigaction
  0.06    0.002115          37        57 strrchr
  0.05    0.001665          79        21 strncmp
  0.04    0.001540          35        43 memset
  0.03    0.001287          80        16 getenv
  0.03    0.001211          37        32 strchr
  0.03    0.001135          51        22 memchr
  0.03    0.001095          42        26 read