Integer Sort (ISORT):
Sort fixedlength unsigned integer keys into ascending order with the ability to carry
along fixedlength auxiliary data. The sort must be stable unless
the benchmark is indicated with U (ISORTU).
Input and Output File Formats
The input and output should be in the sequence file format. The output file must be
in sorted with respect to the integer values. If there is auxiliary data
it must be included in the output and the sort must be stable unless
indicated with U.
Default Input Distributions
Each distribution should be run for
n=10,000,000. The weights
used for average time are given in parentheses.

(1) Unsigned integers generated uniformly at random in the
range [0:n).
randomSeq t int <n> <filename>

(1) 32bit unsigned integers generated at random
with repeats appearing in an exponential distribution.
exptSeq t int <n> <filename>

(1) Unsigned integers generated uniformly at random in the
range [0:n) each with an auxiliary unsigned integer in the same range.
randomSeq t int <n> <tmpname>
addDataSeq t int <tmpname> <filename>

(1) Unsigned integer keys generated uniformly at random in the range [0:256) each with an auxiliary
unsigned integer in the range [0:n).
randomSeq t int r 256 <n> <tmpname>
addDataSeq t int <tmpname> <filename>
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