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jedbrown / PKGBUILD
Created April 28, 2020 05:05
med-openmpi with hdf5-1.12
# Maintainer: nim65s
# Former Maintainer: Joey Dumont <joey.dumont@gmail.com>
# Contributor: simonp
# Contributor: Martin Ortbauer <mortbauer@gmail.com>
# Original: Michele Mocciola <mickele>
# Contributor: Brice Méalier <mealier_brice@yahoo.fr>
# Modified by: César Vecchio <cesar UNDERSTRIKE vecchio AT yahoo DOT com>
# Contributor: valandil
_pkgname='med'
@jedbrown
jedbrown / llvm-e2-build-times.py
Created December 7, 2019 15:09
import pandas
import numpy as np
import altair as alt
df = pandas.DataFrame({
'instance': ['m6g.12xlarge', 'm5g.16xlarge', 'm5.12xlarge', 'm5ad.4xlarge', 'a1.metal'],
'architecture': ['Graviton2', 'Graviton2', 'Skylake 8000', 'EPYC 7000', 'Graviton'],
'vCPU': [48, 64, 48, 16, 16],
'rate': [1.848, 2.464, 2.304, 0.824, 0.408],
'source': ['@_msw_']*3 + ['@AtluriAditya']*2,
@jedbrown
jedbrown / keybase.md
Last active August 4, 2019 03:26

Keybase proof

I hereby claim:

  • I am jedbrown on github.
  • I am jedbrown (https://keybase.io/jedbrown) on keybase.
  • I have a public key ASBrKluFzhAUT4oZcsmnAT0nN7AMpmEw16pmZiQ7a_kRWwo

To claim this, I am signing this object:

@jedbrown
jedbrown / cs-colloquium-reqs.md
Last active July 28, 2018 18:42 — forked from matthewhammer/cs-colloquium-reqs.md
CS Colloquium request instructions
@jedbrown
jedbrown / CMakeLists.txt
Last active December 26, 2015 00:09
CMake crash when passing linker flags containing comma
cmake_minimum_required(VERSION 2.8)
project(foo)
add_library(foo foo.cc)
target_link_libraries(foo ${DEP_LIBS})
add_library(bar bar.cc)
target_link_libraries(bar foo)
@jedbrown
jedbrown / Makefile
Created September 21, 2013 03:20
Clang 3.3 bug
CC = clang
CFLAGS = -Wall -Wextra -pedantic -std=c99 -O1 -g # -O1 or higher needed
a.out : a.o xrank.o
$(CC) -o $@ $^
@jedbrown
jedbrown / pipey.py
Last active December 10, 2015 05:58
Illustrates constructing a pipeline with some components written in Python and some using external programs.
#!/usr/bin/env python
from subprocess import Popen, PIPE
import sys, threading
# Each stage that we implement in Python. If processing binary data, we would
# read incrementally using input.read(4096), for example. The output file must
# be closed to flush the pipeline and allow it to clean up properly.
def writer(output):
for line in open('/usr/share/dict/words'):
@jedbrown
jedbrown / logg.jl
Created October 13, 2012 18:12
Solve Poisson on a square using Chebyshev collocation and sum factorization
## Julia implementation of solving Poisson on a square grid using Chebyshev collocation
# julia> load("logg.jl")
# julia> loggProfile(10000)
# error: 3.310154100518143e-7
# Average time (us): 132.39421844482422
function logg(m)
(D,xb) = cheb(m+1) # Chebyshev differentiation matrix and nodes
D = 2*D; xb = 0.5 + 0.5*xb # Remap to interval [0,1]
D2 = -(D*D)[2:end-1,2:end-1] # Negative 1D Laplacian, with Dirichlet BCs
@jedbrown
jedbrown / orego.py
Created June 2, 2012 23:56
# Oregonator: stiff 3-variable oscillatory ODE system from chemical reactions,
# problem OREGO in Hairer&Wanner
import sys, petsc4py
petsc4py.init(sys.argv)
from petsc4py import PETSc
class Orego(object):
n = 3
@jedbrown
jedbrown / subsetdefault.py
Created May 30, 2011 19:45
Subset default arguments in Python
#!/usr/bin/env python
def withvars(f):
def wrapper(self,*args,**kwargs):
tmp = self.vars.copy()
tmp.update(kwargs)
return f(self,*args,**tmp)
return wrapper
def withvars_censor(f):
def wrapper(self,*args,**kwargs):