Robert Feldt robertfeldt

robertfeldt / build.jl

Created November 25, 2014 10:35

Updated Blosc.jl build file to build lib with internal compressors

	using BinDeps

	vers = "1.5.0"

	# Set to true to build locally with internal compressors:
	build_locally_w_internal_compressors = true
	#build_locally_w_internal_compressors = false

	tagfile = "installed_vers"
	target = "libblosc.$(Sys.dlext)"

robertfeldt / top_7_icst2016_researchers_per_capita.jl

Last active April 12, 2016 14:30

	# Num authors in accepted (?) ICST papers according to the PC chairs intro presentation:
	numauthors = [
	(:usa, 82),
	(:china, 58),
	(:germany, 37),
	(:sweden, 29),
	(:japan, 21),
	(:brazil, 17),
	(:france, 17)]

robertfeldt / keybase.md

Created August 18, 2016 07:26

I hereby claim:

I am robertfeldt on github.
I am rfeldt (https://keybase.io/rfeldt) on keybase.
I have a public key whose fingerprint is 317B 2492 B8B6 1B0C 809E 7BB0 BDEF 6A75 7436 70E0

To claim this, I am signing this object:

robertfeldt / emse_april17_paper_downloads.jl

Created April 26, 2017 06:12

	using HypothesisTests

	# Checked num downloads from each papers page in SpringerLink 2017-04-26 08:05 CET
	OpenAccessPaperDownloads = [2400, 589] # says 2.4k downloads, approximates with 2400
	NonOAPaperDownloads = [134, 126, 85, 104, 56, 228, 112]

	println(pvalue(MannWhitneyUTest(OpenAccessPaperDownloads, NonOAPaperDownloads)))
	# p-value is 0.055
	# Executed 2017-04-26 08:10 CET on MacBook Pro 13" 2015 running Julia 0.5.1 with HypothesisTests version 0.5.1

robertfeldt / icse19_attendees_per_capita.jl

Last active May 30, 2019 15:30

	# Output when running this script:
	# ICSE 2019 attendees per million capita:
	# 1. Luxembourg, 15, 25.126
	# 2. Canada, 330, 8.852
	# 3. Sweden, 41, 4.078
	# 4. Ireland, 16, 3.301
	# 5. Switzerland, 27, 3.137
	# 6. Singapore, 17, 2.897
	# 7. Norway, 15, 2.777
	# 8. Netherlands, 32, 1.868

robertfeldt / fake_emsej_review_data.json

Last active September 30, 2019 14:55

EMSEJ Paper Review Data

robertfeldt / multithreaded_optimization.jl

Last active January 4, 2020 13:19

MultiThreadedEvaluator testing and example scripts

	if Threads.nthreads() < 2
	exit("Multiple threads NOT found! Makes no sense to test this without them... Start as, for example: JULIA_NUM_THREADS=4 julia multithreaded_optimization.jl")
	end

	using BlackBoxOptim

	# Functions to optimize. Should be thread-safe.
	function rosenbrock(x)
	sleep(0.01) # So that there is some benefit in the thread switching...
	sum(i -> 100*abs2(x[i+1] - x[i]^2) + abs2(x[i] - 1), Base.OneTo(length(x)-1))

robertfeldt / dynamically_updating_VegaLite_from_Julia.jl

Created March 18, 2020 15:44

VegaLite frontend with data pushed over websocket from Julia backend

	using HTTP, JSON

	const VegaLiteWebsocketFrontEndTemplate = """
	<!DOCTYPE html>
	<head>
	<meta charset="utf-8">
	<script src="https://cdn.jsdelivr.net/npm/vega@3"></script>
	<script src="https://cdn.jsdelivr.net/npm/vega-lite@2"></script>
	<script src="https://cdn.jsdelivr.net/npm/vega-embed@3"></script>
	</head>

robertfeldt / speeding_up_qgram_distances_with_precalculation.jl

Created October 20, 2020 09:36

Speeding up StringDistances.jl qgram distances with precalculation of qgram counts (here in count dict)

	using StringDistances

	function countdict(qgrams)
	d = Dict{eltype(qgrams), Int32}()
	for qg in qgrams
	index = Base.ht_keyindex2!(d, qg)
	if index > 0
	d.age += 1
	@inbounds d.keys[index] = qg
	@inbounds d.vals[index] = d.vals[index][1] + 1

Created October 21, 2020 08:06

Speeding up StringDistances.jl qgram distances with precalculation of qgram counts (here in a sorted array of counts per qgram)

	using StringDistances

	function countdict(qgrams)
	d = Dict{eltype(qgrams), Int32}()
	for qg in qgrams
	index = Base.ht_keyindex2!(d, qg)
	if index > 0
	d.age += 1
	@inbounds d.keys[index] = qg
	@inbounds d.vals[index] = d.vals[index][1] + 1