Github user Tibor17 commented on the pull request: https://github.com/apache/maven/pull/72#issuecomment-158668300 Nowadays execution time of array allocation is logarithmic function(array.length). One way or another since of Java 6 the the objects are allocated in the stack instead of in main memory. This did speed up the entire VM in Java 6 (u45). So regarding array size with length 512 in StringBuilder and 3GHz CPU, the allocation take much less than 150 nano seconds because the allocation is logarithmic maybe 50 nanos or so.
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