There is a third one, at low level: make it do something else. For example, prog... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		Someone on Nov 28, 2013 \| parent \| context \| favorite \| on: Why GNU grep is fast (2010) There is a third one, at low level: make it do something else. For example, programmer requests a multiplication, compiler generates a shift; programmer requests a division, compiler generates a multiplication; programmer specifies a switch, compiler generates a jump table.

pmiller2 on Nov 28, 2013 [–]

I'd argue that's just a variation of doing less, in the same way that e.g. vectorization is a variation of parallelism.

mtdewcmu on Nov 28, 2013 | [–]

The same concept applies to transportation. How to get around faster: take shorter routes, and take all the stuff you're going to need on the first trip.

Consider applying for YC's Summer 2026 batch! Applications are open till May 4
Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact