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Diffstat (limited to 'dependencies/uthash/tests/simkeys.pl')
-rwxr-xr-x | dependencies/uthash/tests/simkeys.pl | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/dependencies/uthash/tests/simkeys.pl b/dependencies/uthash/tests/simkeys.pl new file mode 100755 index 000000000..acc5583b7 --- /dev/null +++ b/dependencies/uthash/tests/simkeys.pl @@ -0,0 +1,28 @@ +#!/usr/bin/perl + +# This program generates a simkey10.dat (100, 1000, etc) each +# containing 100 random keys of length 10 (100, 1000, etc). +# These files can then be fed into keystats to observe that +# the time to add or find the keys is directly proportional to +# keylength n [in other words, O(n)]. +# +# The conclusion is that really long keys (e.g. 100k) are not +# efficient. TDH 23Jan07 + +use strict; +use warnings; + + +#for my $len (10,100,1000,10000,100000,1000000) { +for my $len (100) { + open OUTFILE, ">simkeys$len.dat" or die "can't open: $!\n"; + # we'll do 100 keys of $len + print "keylen $len\n"; + for my $i (0..99) { + my $key = pack "I", $len; + $key .= pack "C", (int(rand(256))) for (1..$len); + print OUTFILE $key; + } + close OUTFILE; +} + |