a custom font that transliterates latin characters to greek (-ish) and swaps western arabic numerals for eastern arabic ones. it's based on cascadia code, and i use it for coding.

Comparing the performance of different ways to iterate over an array

Your function has its answer in 0.01ms, then spends a full second freeing memory before it can return. Handing the heavy value to another thread to drop takes that wait off the critical path: 907ms down to 0.09ms.