Computer, Enhance!

Dead Code Elimination Prevention Macros

Watch now (26 mins) | This is the eighth video in Part 5 of the Performance-Aware Programming series.

Dec 29, 2025

35

8

25:56

Q&A #81 (2025-12-22)

Answers to questions from the last Q&A thread.

Dec 23, 2025

68

24

52:31

November 2025

Our Nemesis Returns

To avoid spoiling the surprise for people who have not yet done the homework, I cannot be any more specific in the title.

Nov 3, 2025

46

15

12:43

Q&A #80 (2025-10-31)

Answers to questions from the last Q&A thread.

Nov 1, 2025

34

11

50:18

October 2025

Better Prevention of Dead Code Elimination - Or Is It?

The most straightforward way of isolating a section of optimized code has a hidden gotcha.

Oct 22, 2025

48

1

12:06

September 2025

Q&A #79 (2025-09-28)

Answers to questions from the last Q&A thread.

Sep 29, 2025

55

29

2

1:44:43

August 2025

Reading CPU Diagrams

If you've followed the Performance-Aware Programming course up to this point, you already know everything you need to know to ballpark CPU performance…

Aug 20, 2025

74

2

1

30:40

July 2025

Q&A #78 (2025-07-21)

Answers to questions from the last Q&A thread.

Jul 21, 2025

46

28

22:48

June 2025

Selectively Preventing Optimizations

When we want to microbenchmark code in a high-level language, we want almost all optimizations applied - except for the ones that would remove the code…

Jun 29, 2025

58

7

32:26

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

Answers to questions from the last Q&A thread.

Jun 20, 2025

46

30

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, 2025

74

5

34:11

May 2025

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

Answers to questions from the last Q&A thread.

May 23, 2025

44

24

40:48