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David P. Sanders dpsanders

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View quiver_error.ipynb
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View make_tests.jl
test_package = ""
if VERSION <= v"0.6"
using Base.Test
test_package = "Base.Test"
else
using Test
test_package = "Test"
end
@dpsanders
dpsanders / latency.txt
Created Jan 19, 2017 — forked from jboner/latency.txt
Latency Numbers Every Programmer Should Know
View latency.txt
Latency Comparison Numbers
--------------------------
L1 cache reference 0.5 ns
Branch mispredict 5 ns
L2 cache reference 7 ns 14x L1 cache
Mutex lock/unlock 25 ns
Main memory reference 100 ns 20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy 3,000 ns 3 us
Send 1K bytes over 1 Gbps network 10,000 ns 10 us
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD
View Draw syntax tree.ipynb
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@dpsanders
dpsanders / Plot_Examples.md
Created Oct 15, 2015 — forked from gizmaa/Plot_Examples.md
Various Julia plotting examples using PyPlot
View multidim_functions.jl
# 0.4 ONLY
type MultidimFunction
components::Vector{Function}
end
Base.getindex(f::MultidimFunction, i::Integer) = f.components[i]
Base.call(f::MultidimFunction, x) = (T=eltype(x); T[f_i(x) for f_i in f.components])
View Sketch of agent-based model in Julia.ipynb
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View Sketch of agent-based model in Julia.jl
abstract Person
type Adult <: Person
age::Int
height::Float64
position::Int
end
type Child <: Person
age::Int
View Sketch of agent-based model in Julia.ipynb
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View Interactive visualization in Julia using mpld3.ipynb
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