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Subject: Re: So how's Java these days? Still slow?

Author: Alessandro Damiani

Date: 01:03:41 05/11/02

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On May 10, 2002 at 22:21:57, Pham Minh Tri wrote:

>>"6.11 Conclusion
>>Today tweaked Java code is a little slower than tweaked C++ code on the average,
>>typically around 20-50% slower, but this may vary a lot. In some cases Java is
>>up to twice as fast as C++
>
>Unbelievable. I think he must compare the C++ code of a pupil with Java code of
>an expert (or he may use an amateur C++ compiler)  ;)

See section 7, Benchmarks. ;)

>
>> and in some cases it up to three times slower.
>>Untweaked Java code is usually 2.5 – 4 times slower than untweaked C++ code but
>>this varies much.
>>Tweaking the code causes the readability of the code to be significantly reduced
>>and hence also the productivity of the programmer. Fortunately it is very often
>>only necessary to tweak very little parts of the code, since very little of the
>>code usually is run most of the time."
>>
>>My suspicion is that tweaking the C++ code will return the 2.5 to 4 x factor.



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