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CPU fun
Random CPU related notes from a parallel runtime library writer.
Launched 2 years ago
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Elemental Encodings
An off-topic result of covid induced feverish thinking!
Jim Cownie
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Elemental Encodings
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Where's the Race Condition?
But the code works on AArch64, how can it fail on X86_64?!
Jim Cownie
May 27
1
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Where's the Race Condition?
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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
1
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To sched_yield() Or Not To sched_yield()?
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Macro Magic
Using a FOREACH macro and a few other amusements
Jim Cownie
Feb 11
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Macro Magic
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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
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Portable Support for 128b Floats in C/C++
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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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Atomics in AArch64
Better get those compiler flags right!
Jim Cownie
May 14, 2021
4
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Atomics in AArch64
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