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runbenchmarks.jl
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runbenchmarks.jl
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using TestEnv, Pkg
Pkg.project().name == "CMBLensing" && TestEnv.activate()
using ArgParse
s = ArgParseSettings()
@add_arg_table s begin
"--tests"
default = false
arg_type = Bool
"--benchmarks"
default = true
arg_type = Bool
"--storage"
range_tester = s -> s in ("Array","CuArray")
default = "Array"
"--benchmark_accuracy"
default = 0.01
arg_type = Float64
"-N"
default = 256
arg_type = Int
"-T"
default = Float32
range_tester = s -> s in (Float32,Float64)
eval_arg = true
end
args = parse_args(ARGS, s)
if args["storage"]=="CuArray"
using CUDA
end
storage = eval(Symbol(args["storage"]))
macro belapsed(ex)
if args["storage"] == "CuArray"
esc(:(BenchmarkTools.@belapsed CUDA.@sync $ex))
else
esc(:(BenchmarkTools.@belapsed $ex))
end
end
N = args["N"]
T = args["T"]
##
using CMBLensing
using CMBLensing: adapt
##
import BenchmarkTools
using Base.Broadcast: broadcastable
using Crayons
using DelimitedFiles
using LibGit2
using LinearAlgebra
using PrettyTables
using Printf
using Test
using Zygote
using Match
##
# benchmark to 1% and check to 5%, so only a "5σ event" should trigger a failure
BenchmarkTools.DEFAULT_PARAMETERS.time_tolerance = args["benchmark_accuracy"]
rtol = 0.05
≲(a,b; rtol=rtol) = (a < (1+rtol)*b)
##
if args["tests"]
try
##
@testset "Performance Tests" begin
# spin 0
f = adapt(storage,FlatMap(rand(T,N,N)))
g = adapt(storage,FlatMap(rand(T,N,N)))
Ðf = Ð(f)
@test @belapsed(@. $f + $f) ≲ @belapsed(@. $f.Ix + $f.Ix)
@test @belapsed(@. $g = $f + $f) ≲ @belapsed(@. $g.Ix = $f.Ix + $f.Ix)
@test @belapsed(∇[1]*$Ðf) ≲ @belapsed($(broadcastable(typeof(Ðf), ∇[1].diag)) .* $Ðf.Il)
# spin 2
ft = adapt(storage,FlatQUMap(rand(T,N,N),rand(T,N,N)))
gt = adapt(storage,FlatQUMap(rand(T,N,N),rand(T,N,N)))
@test @belapsed(@. $ft + $ft) ≲ @belapsed(@. ( $ft.Qx + $ft.Qx, $ft.Ux + $ft.Ux))
@test @belapsed(@. $gt = $ft + $ft) ≲ @belapsed(@. ($gt.Qx = $ft.Qx + $ft.Qx, $gt.Ux = $ft.Ux + $ft.Ux))
end
##
catch
end
end
##
if args["benchmarks"]
Cℓ = camb()
timing = []
for (s,pol) in [(0,:I),(2,:P)]
@unpack f,f̃,ϕ,ds,ds₀ = load_sim(θpix=3, Nside=N, T=T, pol=pol, storage=storage, Cℓ=Cℓ);
f°,ϕ° = mix(ds₀; f, ϕ)
Lϕ = precompute!!(LenseFlow(ϕ), f)
append!(timing,[
"Spin-$s Cache L" => @belapsed precompute!!(LenseFlow($ϕ), $f);
"Spin-$s L" => @belapsed $Lϕ * $f;
"Spin-$s L†" => @belapsed $Lϕ' * $f;
"Spin-$s (∇L)†" => @belapsed gradient(ϕ->norm($Lϕ(ϕ)*$f), $ϕ);
"Spin-$s lnP" => @belapsed logpdf($(Mixed(ds₀)); f°=$f°, ϕ°=$ϕ°);
"Spin-$s ∇lnP" => @belapsed gradient((f°,ϕ°)->logpdf($(Mixed(ds₀)); f°, ϕ°), $f°, $ϕ°);
])
end
meta = [
"COMMIT" => string(LibGit2.head_oid(GitRepo(joinpath(dirname(@__FILE__),".."))))[1:7],
"JULIA_NUM_THREADS" => Threads.nthreads(),
"FFTW_NUM_THREADS" => CMBLensing.FFTW_NUM_THREADS[],
(k=>args[k] for k in ["storage","N","T"])...
]
reference_timing = Dict(
"Spin-0 Cache L" => 25,
"Spin-0 L" => 13,
"Spin-0 L†" => 13,
"Spin-0 (∇L)†" => 85,
"Spin-0 lnP" => 65,
"Spin-0 ∇lnP" => 240,
"Spin-2 Cache L" => 25,
"Spin-2 L" => 30,
"Spin-2 L†" => 30,
"Spin-2 (∇L)†" => 140,
"Spin-2 lnP" => 110,
"Spin-2 ∇lnP" => 380
)
# print benchmarks
pretty_table(Dict(meta), crop=:none)
pretty_table(
vcat(([k v reference_timing[k]*1e-3] for (k,v) in timing)...),
header=["Operation","Time","Reference"],
formatters = function (v,i,j)
@match j begin
2 => @sprintf("%.1f ms",1000v)
3 => @sprintf("%.0f ms",1000v)
_ => v
end
end,
highlighters = (
Highlighter((data, i, j) -> j==2 && data[i,j] > (1+rtol) * data[i,j+1], foreground=:red),
Highlighter((data, i, j) -> j==2 && data[i,j] < (1-rtol) * data[i,j+1], foreground=:green)
),
crop=:none,
alignment=[:l,:r,:r],
hlines=[0,1,7,:end]
)
# save benchmarks
filename = "benchmarks/"*join(["$(k)_$(v)" for (k,v) in meta], "__")*".txt"
!ispath("benchmarks") && mkdir("benchmarks")
open(filename,"w") do f
writedlm.(Ref(f),(meta,timing))
end
end