Answer by 3dmaze for Performance issue: Java vs C++
It seems that for code that requires not too much memory access and intensive computing the difference between Java an C++ is low. But in the opposite situation the difference looks amazing...
View ArticleAnswer by rep_movsd for Performance issue: Java vs C++
I may be beating a dead horse here, but simply doing a line by line translation of the Java to C++, not even using const reference parameters or any such thing, you can see the C++ is almost twice as...
View ArticleAnswer by snstrand for Performance issue: Java vs C++
C++ can do it in 21 ms (on a old core i7-860) if you use bit maps. For the timing run I commented out the showSoln() call since a graphic display of the chess board takes twice as long as finding the...
View ArticleAnswer by Amir Saniyan for Performance issue: Java vs C++
Java passes objects to methods as references and those references are passed by value, but C++ passes objects by value.You should change C++ code to make it same as Java (Pass pointers in C++ intstead...
View ArticleAnswer by Martin York for Performance issue: Java vs C++
Updates:Changes to C++As written:Compilation FailureReplace math.h => cmath27610 millisecondsAdd -O3 flag4416 millisecondsReplace std::list with std::vector2294 millisecondsReplace Point with...
View ArticleAnswer by Jakub for Performance issue: Java vs C++
Also, there is no reason to use float/doouble types for the coordinates. You should gain performance if you do not force calling floating point abs library call in your C++Java stores the Point...
View ArticleAnswer by Durandal for Performance issue: Java vs C++
Comparing a managed, dynamically compiled language like Java to a statically compiled language like C++ is very difficult.You will always be comparing apples to oranges in a sense, because they are...
View ArticleAnswer by NetVipeC for Performance issue: Java vs C++
Test this version, updated using C++11 features. Tested in GCC 4.9.0 with -std=c++11. Tested on Celeron 1.6 GHz, 512 MB RAM.Times in my PC:Original: Duration (milliseconds): 12658First Version:...
View ArticleAnswer by Brian Bi for Performance issue: Java vs C++
std::list in C++ is a linked list, whereas java.util.ArrayList is an array. Try replacing std::list by std::vector. Also, be sure to compile with optimization turned on.
View ArticlePerformance issue: Java vs C++
I have always heard that C++ was way more efficient than Java (and that is why most games are developed in C++).I wrote a small algorithm to solve the "Eight queens puzzle" in both Java and C++, using...
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