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C/C++

C++ String Performance

By Lev Kochubeevsky, October 01, 2003

Lev analyzes C++ string implementations, then presents a string class with the speed and efficiency of the automatic C strings, plus the convenience of the C++ string objects that are STL friendly.
Oct03: C++ String Performance 


<b>(a)</b>
Thread <1024>: Creating/destroying 100000 strings...
Thread <1024>: total time=23 millisecs, average=0.000230

<b>(b)</b>
Thread <1026>: Creating/destroying 100000 strings...
Thread <1026>: total time=23 millisecs, average=0.000230
Thread <3076>: Creating/destroying 100000 strings...
Thread <4101>: Creating/destroying 100000 strings...
Thread <3076>: total time=35 millisecs, average=0.000350
Thread <5126>: Creating/destroying 100000 strings...
Thread <5126>: total time=23 millisecs, average=0.000230
Thread <4101>: total time=71 millisecs, average=0.000710
Thread <6151>: Creating/destroying 100000 strings...
Thread <6151>: total time=24 millisecs, average=0.000240
Thread <7176>: Creating/destroying 100000 strings...
Thread <8201>: Creating/destroying 100000 strings...
Thread <9226>: Creating/destroying 100000 strings...
Thread <9226>: total time=23 millisecs, average=0.000230
Thread <10251>: Creating/destroying 100000 strings...
Thread <10251>: total time=23 millisecs, average=0.000230
Thread <7176>: total time=80 millisecs, average=0.000800
Thread <8201>: total time=80 millisecs, average=0.000800
Thread <2051>: Creating/destroying 100000 strings...
Thread <2051>: total time=23 millisecs, average=0.000230

Example 4: (a) The results of running teststring5.cpp; (b) results of teststring6.cpp.



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