Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

RFC add matrix types, add sqrtm benchmarks #61

Merged
merged 4 commits into from
Feb 3, 2017
Merged

RFC add matrix types, add sqrtm benchmarks #61

Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
f60b964
add matrix types, add sqrtm benchmarks
felixrehren Jan 25, 2017
5b5f1ba
rework NPDUpperTriangular
felixrehren Jan 26, 2017
452b332
import Base.LinAlg: UnitUpperTriangular
felixrehren Jan 26, 2017
5a9f681
change grouping -> arithmetic
felixrehren Feb 3, 2017
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
22 changes: 22 additions & 0 deletions src/linalg/LinAlgBenchmarks.jl
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@ using BenchmarkTools
using Compat

import Compat: UTF8String, view
import Base.LinAlg: UnitUpperTriangular

const SUITE = BenchmarkGroup(["array"])

Expand All @@ -25,13 +26,28 @@ linalgmat(::Type{Tridiagonal}, s) = Tridiagonal(randvec(s-1), randvec(s), randve
linalgmat(::Type{SymTridiagonal}, s) = SymTridiagonal(randvec(s), randvec(s-1))
linalgmat(::Type{UpperTriangular}, s) = UpperTriangular(randmat(s))
linalgmat(::Type{LowerTriangular}, s) = LowerTriangular(randmat(s))
linalgmat(::Type{UnitUpperTriangular}, s) = UnitUpperTriangular(randmat(s))

function linalgmat(::Type{Hermitian}, s)
A = randmat(s)
A = A + im*A
return Hermitian(A + A')
end

# Non-positive-definite upper-triangular matrix
type NPDUpperTriangular
end
function linalgmat(::Type{NPDUpperTriangular}, s)
A = linalgmat(UpperTriangular, s)
rr = samerand(s)
for i in 1:s
A[i,i] = (2*rr[i]-1)*A[i,i]
end
return A
end
typename(::Type{NPDUpperTriangular}) = "NPDUpperTriangular"


############################
# matrix/vector arithmetic #
############################
Expand Down Expand Up @@ -69,6 +85,12 @@ for s in SIZES
g["cumsum!", T, s] = @benchmarkable cumsum!($arr, $arr)
end

for M in (UpperTriangular, UnitUpperTriangular, NPDUpperTriangular, Hermitian)
mstr = typename(M)
m = linalgmat(M, s)
g["sqrtm", mstr, s] = @benchmarkable sqrtm($m)
end

end

for b in values(g)
Expand Down