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minimal benchmark code for Counting Set Bits (ones) in an Integer
...Also this shows nicely how different a human brain compatible solution is to a binary machine optimal solution :-)
In the meantime I added other Algorithms beside countbisset (hamming weight): ceil(log2()) + floor(log2()), bitreverse, ...
I also recommand to try the code with different compilers and / or plattforms.
PS: see result.txt in Code, to see various runs with different compilers and compiler switches
Hyacc is an efficient and practical Yacc/Bison-compatible full LR(1)/LALR(1)/LR(0) and partial LR(k) parser generator in ANSI C based on Knuth and Pager's LR(1) algorithms. Generated parser can be used in open-source or commercial software.
**NOTE**: The WALA project is now hosted at https://github.com/wala/WALA; the latest source code and updates are available there. The code here on Sourceforge is highly out of date and unsupported.
The T. J. Watson Libraries for Analysis (WALA) provide program analysis capabilities for Java bytecode and related languages. The WALA libraries constitute an open-source release of parts of IBM Research's DOMO analysis infrastructure.
WIttgen is a two-instruction programming language modeled on the mind.
The Wittgen programming language consists of just two instructions and one special variable name.
Wittgen allows you to assign any text string to a variable of any name. It also allows you to retrieve the text assigned to that variable. Lastly, it has a special variable called “Doing Now”. Every execution step consists of retrieving the contents of Doing Now, removing the first assign found in that content and performing that assign. In the course of performing that assign any retrieve...
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This is a general purpose expression evaluator which has abilities to evaluate mathematical expressions having operators: +, -, *, /, < , <=, >, >=, ==, !=, &&, ||. The enhancement to support all the other arithmetic operators is under development.
SSEPlus is a SIMD function library. It provides optimized emulation for newer SSE instructions. It also provides a rich set of high performance routines for common operations such as arithmetic, bitwise logic, and data packing and unpacking.
AMMORIA (ARAB) is an object oriented programming language uses Arabic words instead of English words, to make learning programming for Arab children easy and fast, it's planned to support Urdo and Farsi too, AMMORIA has its won IDE and Visual stuff.
Hipo is a hypothetical computer to facilitate the learning of machine language. The student can use hipo to develop simple programs and understand the internal logic of a computer. There is a plan to implement Donald Knuth's MMIX machine language, also.
‘intelliworm’ is a prototype simulation of a Intelligent Species of a common earth worm,which inherits human like decision making capabilities through Neural Network intelligence representation,all developed by integrating .NET with Lisp and Yacc.
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UIMP(Unified Image Manipulation Program) is an OS independent Image Processing system, which provides over 1000 algorithms and supports web online, console and GUI program.
M+ Compiler/Interpreter is a interpreter library written in Java that delivers the possibility to extend any Java application with simple scripts. Besides the usage of native datatypes and operations you can instantiate and call native Java objects.
jpaul is a Java implementation of several
algorithms widely used in program analysis. It emphasizes
flexibility and ease-of-use and is independent of any specific
compiler infrastructure project. BSD Licence.
Cross-platform C++ library for Reverse Polish Notation calculus. Focuses on providing a reusable set of RPN functionalities such as parsing, variable substitution and computation.
A C library, providing comfortable APIs for a wide range of Finite State Abstract Machines (NFA, DFA, FST, Bimachines, etc). Implements most of the classical algorithms in the field.