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Jerry Ling Moelf

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Moelf / HW2.jl
Created October 10, 2019 08:17
CustomSampler https://pasteboard.co/IBirbG7.gif
using Plots, Statistics
using StatsPlots
using Distributions #this pkg actually is end game, but we're just using gaussian pdf
function custom_gaussian(n)
#b)
#parent distribution is Gaussian
μ = 10
parent = Distributions.Normal(10) #μ = 10
parent_pdf(x) = Distributions.pdf(parent, x)
@Moelf
Moelf / startup.jl
Last active September 3, 2020 22:19
Fzf Julia REPL
import REPL
import REPL.LineEdit
import JLFzf
const mykeys = Dict{Any,Any}(
# primary history search: most recent first
"^R" => function (mistate, o, c)
line = JLFzf.inter_fzf(JLFzf.read_repl_hist(),
"--read0",
"--tiebreak=index"
"--height=80%");
@Moelf
Moelf / how long to beat.md
Created January 20, 2022 05:04
howlongtobeat api

https://howlongtobeat.com/

julia> get_hour("horizon zero dawn")44.0

julia> get_hour("Celeste")
8.0

julia> get_hour("Portal 2")
21.0
@Moelf
Moelf / mandelbrot.jl
Last active June 14, 2022 14:36 — forked from jpivarski/mandelbrot-on-all-accelerators.ipynb
#= one can use these to test fastmath-like path in controlled way
@inline mul_fast(x::T, y::T) where {T<:Complex} =
T(complex(muladd(-imag(x), imag(y), real(x)*real(y)),
muladd( real(x), imag(y), imag(x)*real(y))))
@inline abs2_fast(z::Complex) = muladd(real(z), real(z), imag(z)*imag(z))
=#
function run_julia(height, width)
y = range(-1.0f0, 0.0f0; length = height)
@Moelf
Moelf / test.jl
Created June 26, 2022 13:55
Cairo.jl hatching
using Cairo, LinearAlgebra
c = CairoRGBSurface(256,256);
cr = CairoContext(c);
save(cr);
set_source_rgb(cr,0.8,0.8,0.8); # light gray
rectangle(cr,0.0,0.0,256.0,256.0); # background
fill(cr);
restore(cr);
@Moelf
Moelf / ONNX.jl
Created August 17, 2022 17:25
ONNX Inference in Julia
julia> using ONNX, ONNX.Ghost
julia> dummy = rand(Float32, 78, 1);
julia> model = ONNX.load("./classifier_DF.onnx", dummy);
julia> x = range(0, Float32(0.5), length=78)
0.0f0:0.0064935065f0:0.5f0
julia> result = Ghost.play!(model, x)
@Moelf
Moelf / index.md
Last active August 31, 2022 02:58
Re-use Awkward / pyarrow IPC for Julia Arrow.jl

This in principle allows one to read anything that uproot/awkward can read and represent (as long as to_arrow worked):

We use the following packages to demonstrate our round trip

julia> using PythonCall

julia> const ak = pyimport("awkward")

julia> ak.__version__
Python str: '1.9.0rc10'
@Moelf
Moelf / eduroam.8021x
Created September 3, 2021 22:59
Harvard Secure and eduroam config for iwd/iwctl
[Security]
EAP-Method=TTLS
EAP-Identity=anonymous@harvard.edu
EAP-TTLS-CACert=/var/lib/iwd/usertrustrsacertificationauthority.cer
EAP-TTLS-ClientKeyBundle=/var/lib/iwd/blah.p12
EAP-TTLS-ClientKeyPassphrase=<> # your certification password
EAP-TTLS-Phase2-Method=Tunneled-PAP
EAP-TTLS-Phase2-Identity=<harvard id>@g.harvard.edu
EAP-TTLS-Phase2-Password=<> # your harvard key password
@Moelf
Moelf / A.md
Last active October 24, 2022 02:39
Limit test af.uchicago.edu Condor's scaling for analysis workload (I/O intense)

30 workers

julia> nworkers()
30

julia> pmap((x)->gethostname(), workers()) |> unique |> length
25

julia> res = @time WVZAnalysis.hist_root_pmap("Signal");
[ Info: -------------- Signal SF begin ------------
@Moelf
Moelf / Snowmass2022_JuliaHEP.md
Last active May 5, 2023 19:27
Snowmass2022 JuliaHEP

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