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Context Swap Microbenchmark - #381

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insertinterestingnamehere wants to merge 21 commits into
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Context Swap Microbenchmark#381
insertinterestingnamehere wants to merge 21 commits into
sandialabs:mainfrom
insertinterestingnamehere:bench

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@insertinterestingnamehere insertinterestingnamehere commented Mar 20, 2026

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@insertinterestingnamehere
insertinterestingnamehere force-pushed the bench branch 2 times, most recently from d12471e to f895e6d Compare May 1, 2026 19:35
@insertinterestingnamehere
Add a microbenchmark for testing context swapping overhead.
3a250cf
@insertinterestingnamehere
Fix using the test argparsing header from C++.
03ce306
@insertinterestingnamehere
Add minimal syscall benchmark.
e83a6db
@insertinterestingnamehere
Add os thread fork/join benchmark.
acbc337
@insertinterestingnamehere
Add os_thread_futex_handoff benchmark.
13c7949
@insertinterestingnamehere
Add benchmark measuring function call overheads for various numbers o…
c6aed48 
…f arguments.
@insertinterestingnamehere
Require C++17 for building tests.
0591808
@insertinterestingnamehere
Add a benchmark that attempts to force branch mispredicted function c…
107e1f5 
…alls.
@insertinterestingnamehere
Rewrite function call overhead benchmark to not require a bunch of ho…
6578d25 
…rrible manual repetition.
@insertinterestingnamehere
Add mini nemesis many-to-one benchmark.
870f8c6
@insertinterestingnamehere
Restructure ifdefs to allow using c++23 or later in the benchmarks.
870be7d
@insertinterestingnamehere
Make the cast to volatile explicit in the function call microbenchmar…
5a8fef3 
…k to avoid clang warnings.
@insertinterestingnamehere
Use C++26 for the benchmark suite. The benchmarks aren't required for…
c1e3cc1 
… the main library, so we can have nice things here.
@insertinterestingnamehere
Make qt_atomics usable from within C++ and use that directly to get t…
e82d1b0 
…he platform-generic pause macro inside the benchmarks.
@insertinterestingnamehere
Add benchmarks for a few different atomic workloads.
601015c
@insertinterestingnamehere
Add contended atomic exchange benchmark.
8ab36e2
@insertinterestingnamehere
Fix race condition in mini nemesis queue benchmark.
a5d8960
@insertinterestingnamehere
Switch nemesis_many_to_one benchmark to specify the total number of w…
7f28e19 
…ork items instead of the number per thread. This makes scalability testing easier.
@insertinterestingnamehere
Revive pure qthreads thread-ring benchmark.
dfd2fc4
@insertinterestingnamehere
Fix typo in CI job naming.
89dadf0
@insertinterestingnamehere
Make gcc16 happy with the atomic fetch_sub benchmark by using a fence…
f8b2e9b 
… instead of relying on volatile.
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