Archive - Programming Courses of Computer, Enhance!

Q&A #77 (2025-06-19)

Answers to questions from the last Q&A thread.

Jun 20

36:48

Simplified Haversine Candidates

Even for a computation as simple as our haversine loop, removing waste yields a surprisingly large performance improvement for very little effort.

Jun 15

34:11

May 2025

Q&A #76 (2025-05-23)

Answers to questions from the last Q&A thread.

May 23

40:48

As we saw in the very beginning of the Performance Aware Programming series, a CPU can be brought to a crawl by drowning it in unnecessary work. How…

May 15

27:51

Our Very Own Haversine

We've built all the pieces - now it's time to assemble them into a haversine distance function that uses only math we've hand-coded ourselves so we can…

May 5

9:02

Q&A #75 (2025-05-02)

Answers to questions from the last Q&A thread.

May 2

1:00:05

April 2025

March 2025

Coefficient Arrays for Polynomial Evaluation

Now that we know how to use Horner's Rule with FMA to evaluate polynomials, we can boil the entire process down to a simple, reusable technique that…

Mar 6

24:14

Q&A #73 (2025-03-03)

Answers to questions from the last Q&A thread.

Mar 4

49:45

February 2025

Fused Multiply-Add

Modern CPUs and GPUs have the ability to do multiplication and addition in a single operation, which helps us achieve both better performance and more…

Feb 19

31:26

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