Computer, Enhance!
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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
36
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Simplified Haversine Candidates
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2
34:11
May 2025
Computer Enhance Summer News!
I certainly hope none of you were planning a summer vacation.
May 30
•
Casey Muratori
148
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Computer Enhance Summer News!
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16
Q&A #76 (2025-05-23)
Answers to questions from the last Q&A thread.
May 23
32
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Q&A #76 (2025-05-23)
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17
40:48
The Micro Group
The Complete History of Trinity - Episode 5
May 23
•
Casey Muratori
22
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52:22
Removing Waste
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
53
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Removing Waste
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3
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
29
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Our Very Own Haversine
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1
9:02
Q&A #75 (2025-05-02)
Answers to questions from the last Q&A thread.
May 2
33
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Q&A #75 (2025-05-02)
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29
1:00:05
April 2025
Extending Arcsine to the Full Input Range
Using a trigonometric identity, we can extend our arcsine approximation to cover the full range of inputs we expect.
Apr 24
30
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Extending Arcsine to the Full Input Range
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1
12:10
Approximating Arcsine
Everything we learned when approximating Sine translates directly to approximating Arcsine.
Apr 16
30
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Approximating Arcsine
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20
24:35
Q&A #74 (2025-04-01)
Answers to questions from the last Q&A thread.
Apr 2
55
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Q&A #74 (2025-04-01)
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40
1:03:59
March 2025
An Interview with Zen Chief Architect Mike Clark
Zen is one of the most important microarchitectures in the history of the x86 ecosystem.
Mar 24
•
Casey Muratori
201
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An Interview with Zen Chief Architect Mike Clark
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18
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
48
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Coefficient Arrays for Polynomial Evaluation
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5
24:14
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