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Compression times longer for smaller file

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pneely

MIS
Apr 3, 2001
23
US
In looking at completion times for the 'compress' command it was noticed some larger sized files compressed at a faster rate than smaller ones.

10.5Mb file consistently takes 3s to compress down to 1.5Mb - 3Mb/sec
22kb file consistently takes 25-30s to compress down to 7k - 1kb/sec

both files are text bill invoices, and look approximately same regarding amount of white space, etc. uncompress is very fast for both. i've performed this about 7 or 8 times, and it's pretty consistent.

Could it be explained by system scheduling priority
 
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