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Enemies and Opponents
A completely non-technical article about organisational psychology based on a joke.
Jim Cownie
Mar 7
2
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Enemies and Opponents
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December 2022
Presenting Parallel Performance (2)
When presenting scaling, what should be on the X-axis?
Jim Cownie
Dec 15, 2022
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Presenting Parallel Performance (2)
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Presenting Parallel Performance (1)
Part 1: Do you really want "speedup"?
Jim Cownie
Dec 15, 2022
2
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Presenting Parallel Performance (1)
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September 2022
Is Fortran "a dead language"?
Some C++ folk seem to think so, but they're wrong!
Jim Cownie
Sep 22, 2022
4
5
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Is Fortran "a dead language"?
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July 2022
Elemental Encodings
An off-topic result of covid induced feverish thinking!
Jim Cownie
Jul 29, 2022
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Elemental Encodings
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May 2022
Where's the Race Condition?
But the code works on AArch64, how can it fail on X86_64?!
Jim Cownie
May 27, 2022
1
2
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Where's the Race Condition?
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March 2022
To sched_yield() Or Not To sched_yield()?
Is Linux' sched_yield() useful while polling, or merely "sound and fury signifying nothing"?
Jim Cownie
Mar 31, 2022
1
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To sched_yield() Or Not To sched_yield()?
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February 2022
Macro Magic
Using a FOREACH macro and a few other amusements
Jim Cownie
Feb 11, 2022
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Macro Magic
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November 2021
AMD® EPYC 7742 64-Core Processor Cache Micro-Benchmarks
The gory details for one machine
Jim Cownie
Nov 12, 2021
1
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AMD® EPYC 7742 64-Core Processor Cache Micro-Benchmarks
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Portable Support for 128b Floats in C/C++
Surely this is standard already?
Jim Cownie
Nov 4, 2021
1
4
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Portable Support for 128b Floats in C/C++
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August 2021
Which Library Did You Say Will Be Loaded?
Which library did you say will be loaded!?
Jim Cownie
Aug 6, 2021
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Which Library Did You Say Will Be Loaded?
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May 2021
Atomics in AArch64
Better get those compiler flags right!
Jim Cownie
May 14, 2021
4
18
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Atomics in AArch64
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