dennym/multiplicative-persistence

Multiplicative Persistence

Ruby Approach

gem install benchmark-ips
gem install ffi
ruby ruby/start.rb

C extension

Library

cd c_src/
gcc -shared -o libpow.so -fPIC pow.c

Test runner

cd c_src/
gcc pow.c -lgmp -o testrunner

Rust extension

TODO:

• utilize parallels to move power calculation to processes let @current_number only return the potencies
• OR use https://github.com/rtomayko/posix-spawn#posixspawn-as-a-mixin and move the potency calculation and the number check to separate file