bottom-up optimization
noun phraseUK /ˌbɒtəm ʌp ˌɒptɪmaɪˈzeɪʃən/
US /ˌbɑːtəm ʌp ˌɑːptɪməˈzeɪʃən/
A way of making something better by starting with the small parts first and then fixing the big parts.
The team used bottom-up optimization to improve the game one small level at a time.
OTHER MEANINGS
2. In computing, tuning small parts of a program before adjusting the whole system.
The coder did bottom-up optimization on each function before testing the full app.
3. In business, improving a company by starting with frontline workers' ideas.
Their bottom-up optimization plan asked every employee for small money-saving tips.
4. In engineering, adjusting individual pieces of a machine before balancing the whole machine.
Bottom-up optimization of the robot's joints made its walk smoother.