Related:

• hand-hacking: n. 1. The practice of translating {hot spot}s from an {HLL} into hand-tuned assembler, as opposed to trying to coerce the compiler into generating better code.
  Both the term and the practice are becoming uncommon....
• hot spot n. 1. [primarily used by C/Unix programmers, but spreading] It is received wisdom that in most programs, less than 10% of the code eats 90% of the execution time
  if one were to graph instruction visits versus code addresses, one would typically see a few huge spikes amidst a lot of low-level noise....
• hot spot: n. 1. [primarily used by C/UNIX programmers, but spreading] It is received wisdom that in most programs, less than 10% of the code eats 90% of the execution time
  if one were to graph instruction visits versus code addresses, one would typically see a few huge spikes amidst a lot of low-level noise....
• cruft: /kruhft/ [back-formation from {crufty}] 1. n.
  An unpleasant substance. The dust that gathers under your bed is cruf...
• cruft /kruhft/ [very common; back-formation from crufty] 1.
  . An unpleasant substance. The dust that gathers under your bed is cruf...
• bum 1. vt. To make highly efficient, either in time or space, often at the expense of clarity.
  I managed to bum three more instructions out of that code....
• une vt. [from automotive or musical usage] To optimize a program or system for a particular environment, esp.
  by adjusting numerical parameters designed as hooks for tuning, e....
• une: [from automotive or musical usage] vt. To optimize a program or system for a particular environment, esp.
  by adjusting numerical parameters designed as {hook}s for tuning, e....
• bum: 1. vt. To make highly efficient, either in time or space, often at the expense of clarity.
  I managed to bum three more instructions out of that code....