The lockedstructs.jl from borketh

lockedstructs.jl's Introduction

If you came here from a job application, you know my name already. I'm a software engineering student looking for co-op work through Carleton University. Specifically something in Ottawa for the Fall term 2024.

I contribute to a couple of open source projects

timetable-kit	FICSIT-Fred
An application that makes easily readable timetables from public transit GTFS feeds. I am working on custom styling and additional features. Runs on Python with Jinja2 templates.	A Discord bot used to provide tech support to members of the Satisfactory Modding community server. Runs on Python in a minimal Docker container.

I also make my own little projects

hardqoi	FastAmogusCounter.jl
A SIMD-optimized implementation of the Quite Ok Image format. Written in a mix of really cursed Rust and Intel assembly. WIP - still working on implementations using the capabiities of AVX-512 throughout the process instead of just for hash processing. Currently stuck on one particular problem where sequential read-writes are necessary (not possible with SIMD!).	Very silly. When r/place was a thing, my friend Feyko had a friendly competition to see how fast we could find all the little pixel crewmates in any frame of r/place. Mine ended up being faster than analysus but was fairly cursed in its implementation. Runs (somehow) on Julia using way too many weird tricks.

Preferred languages

Python 🐍
Rust 🦀

I am also familiar and comfortable with (in order of preference and experience)

sh
C/C++
Intel x86_64 assembly
Java/Kotlin
Javascript/Typescript
Julia
HTML/CSS

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lockedstructs.jl's Issues

Benchmarking issue for Atomic in README

Hey, just notice that the benchmark for Atomic in the README is not right.

Instead of:

julia> @benchmark a, b, c = t.a[], t.b[], t.c[]
BenchmarkTools.Trial: 10000 samples with 759 evaluations.
 Range (min … max):  165.184 ns …  1.940 μs  ┊ GC (min … max): 0.00% … 88.14%
 Time  (median):     168.094 ns              ┊ GC (median):    0.00%
 Time  (mean ± σ):   173.240 ns ± 70.656 ns  ┊ GC (mean ± σ):  1.83% ±  4.04%

You need to quote the global variable so that it is interpolated into the expression. The right way is:

julia> @benchmark a, b, c = $(t).a[], $(t).b[], $(t).c[]
BenchmarkTools.Trial: 10000 samples with 1000 evaluations.
 Range (min … max):  2.375 ns … 21.250 ns  ┊ GC (min … max): 0.00% … 0.00%
 Time  (median):     2.458 ns              ┊ GC (median):    0.00%
 Time  (mean ± σ):   2.464 ns ±  0.293 ns  ┊ GC (mean ± σ):  0.00% ± 0.00%

See BenchmarkTools.jl's manual for more information. The best practice is to put what you want to benchmark into a function and benchmark that function instead. Still, you must interpolate any global variables:

julia> foo(t::Test) = (t.a[], t.b[], t.c[])

julia> @benchmark foo($t)
BenchmarkTools.Trial: 10000 samples with 1000 evaluations.
 Range (min … max):  2.250 ns … 25.458 ns  ┊ GC (min … max): 0.00% … 0.00%
 Time  (median):     2.333 ns              ┊ GC (median):    0.00%
 Time  (mean ± σ):   2.369 ns ±  0.763 ns  ┊ GC (mean ± σ):  0.00% ± 0.00%

Recommend Projects

borketh / lockedstructs.jl Goto Github PK

lockedstructs.jl's Introduction

I contribute to a couple of open source projects

I also make my own little projects

Preferred languages

lockedstructs.jl's People

Contributors

Watchers

lockedstructs.jl's Issues

Benchmarking issue for Atomic in README

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