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lasa-bloomfilter

This is a C++ implementation of a bloom filter with a dataset of names. It was created as a project for an Advanced Computer Programming course.

Compilation & Testing

Building the Static Library in Windows

  1. Compile each individual C++ file in the terminal using gcc -c src/bloom.cpp src/MurmurHash3.cpp in the /mmh3 directory
    • The -c switch tells GCC to compile and assemble but not link the files
    • The *.cpp will compile every C++ file in the src folder
    • This will create object files outside of the src folder
  2. The static library can then be created using ar rsv BloomFilter.a bloom.o MurmurHash3.o
    • The r switch replaces any previous libraries with that name
    • The s switch creates an archive
    • The v switch uses verbose to provide additional output
    • The *.o will add every compiled C++ file in the directory
  3. The library contents can be verified with ar -t BloomFilter.a

Testing the Static Library for Windows

To run the bloomRunner.cpp file, use the command g++ bloomRunner.cpp -o bloomRunner.exe BloomFilter.a in the /mmh3 directory. This will create bloomRunner.exe that is linked to the static library. To run the file, type bloomRunner into the terminal. Then follow the instructions printed in the command line to begin testing. The runner file also includes a memory size comparison with a string array.

Using the Runner Script

The runner.bat file in /mmh3 can be used to complete each of the steps above before automatically running the bloomRunner.exe file. To keep the terminal open after testing is complete, open the terminal and enter runner.bat manually while in the /mmh3 directory.

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C++ bloom filter implementation.

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