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io.jl
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io.jl
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include("bbo/experiment.jl")
using DelimitedFiles, DataFrames, CSV, CodecZlib, BenchmarkTools
const RESULTS_FILE = "results.csv"
const ACTIVATION_MATRIX_COMP = "activationmatrix.csv.gz"
const HIST_ENDING_COMP = "_hist.gz"
const HIST_ENDING_CSV = "_hist.csv"
const PF_ENDING_COMP = "_pf.gz"
const PF_ENDING_CSV = "_pf.csv"
const CAT_CSV_ENDING = "_cat.csv"
const FAIL_RATES = "failrates.vector"
# OBS minsize here assumes 100% coverage, i.e. all functions are exercised
function empty_results(r::TspExperimentResult)::DataFrame
return DataFrame(algid = String[],
systemid = String[],
instanceid = Int64[],
scale = Real[], # both scales in actual size and "scale" supported
runid = Int64[],
iterations = Int64[],
evaluations = Int64[],
runtimes = String[])
end
# OBS size is only right as we guarantee entires in both final column and row (each test covers at least one function and each function is covered)
save_binary_to(am::Matrix{T}, file_name::String) where {T <: Integer} = save_binary_to(sparse(am), file_name)
function save_binary_to(am::SparseMatrixCSC{T}, file_name::String) where {T <: Integer}
I, J, _ = findnz(am)
df = DataFrame([:I => I, :J => J])
open(GzipCompressorStream, file_name, "w") do f
CSV.write(f, df)
end
end
function load_binary_matrix_from(file_name::String, datatype::Type=UInt8)
df = open(GzipDecompressorStream, file_name, "r") do f
DataFrame(CSV.File(f))
end
return sparse(df[:, :I], df[:, :J], ones(datatype, nrow(df)))
end
function save_to(what, file_name::String)
open(file_name, "w") do f
writedlm(f, what)
end
end
function save_binary_vectors_to(vs::AbstractVector{<:AbstractVector{<:Integer}}, file_name::String)
open(GzipCompressorStream, file_name, "w") do f
writedlm(f, vs)
end
end
function load_binary_vectors_from(file_name::String, datatype::Type{T}=UInt8)::Vector{SparseVector{T}} where {T <: Integer}
pf_matrix = open(GzipDecompressorStream, file_name, "r") do f
readdlm(f, datatype)
end
return [ sparsevec(pf_matrix[i,:]) for i in 1:size(pf_matrix,1) ]
end
function load_from(file_name::String, datatype::Type=UInt8)
return open(file_name, "r") do f
readdlm(f, datatype)
end
end
function load_categories(dir::AbstractString)
dfs = Dict{Symbol, DataFrame}()
_categories = filter(f -> endswith(f, CAT_CSV_ENDING), readdir(dir))
foreach(c -> dfs[Symbol(split(c, "_")[1])] = DataFrame(CSV.File(joinpath(dir,c))), _categories)
return dfs
end
function load_case(dir::AbstractString, cached::Bool = false)::AbstractCase
am = load_binary_matrix_from(joinpath(dir, ACTIVATION_MATRIX_COMP))
fr = load_from(joinpath(dir, FAIL_RATES), Float64)[:,1]
_categories = load_categories(dir)
case = Case(am, _categories, fr)
return cached ? CachedCase(case) : case
end
function save(c::AbstractCase, dir::String)
mkdir(dir)
save_binary_to(activationmatrix(c), joinpath(dir, ACTIVATION_MATRIX_COMP))
save_to(failrates(c), joinpath(dir, FAIL_RATES))
foreach(p -> CSV.write(joinpath(dir, "$(p[1])$CAT_CSV_ENDING"), p[2]), pairs(categories(c)))
end
save(i::TspInstance, expdir::String) = save(case(i), joinpath(expdir, id(i)))
const RESULT_HANDLES = [ algid systemid instanceid numtests runid iterations evaluations runtimesstr ]
const RESULT_TYPES = Type[ String String Int64 Real Int64 Int64 Int64 String ]
function initialized_frame(r::TspExperimentResult)
entry = [ h(r) for h in RESULT_HANDLES ]
return push!(empty_results(r), entry)
end
save(r::TspExperimentResult, expid::Integer=1) = save(r, "experiment_$expid")
function save(r::TspExperimentResult, expdir::AbstractString)
expdir = startswith(expdir, "experiment_") ? expdir : "experiment_$expdir"
resdir = joinpath(expdir, "results")
if !isdir(resdir)
mkdir(resdir)
end
save_binary_vectors_to(pf(r), "$resdir/$(id(r))$(PF_ENDING_COMP)")
res_file = joinpath(resdir, RESULTS_FILE)
df = initialized_frame(r)
if ! (r |> history_solutions |> isempty)
save_binary_vectors_to(history_solutions(r), "$resdir/$(id(r))$(HIST_ENDING_COMP)")
elseif startswith(algid(r), "borg")
save_binary_vectors_to(cached_history_solutions, "$resdir/$(id(r))$(HIST_ENDING_COMP)")
df.runtimes[1] = cached_solving_times |> (x -> round.(x, digits=2, RoundUp)) |> string
end
reset_heuristic_stats()
((f) -> isfile(f) ? CSV.write(f, df, append=true) : CSV.write(f, df))(res_file)
end
function load_tsp_stats(expid::AbstractString,
objective_categories::Vector{Symbol}=Symbol[],
constraint_categories::Vector{Symbol}=Symbol[],
exp_nr::Union{String, Integer}=1,
c::CachedCase=case_for(expid, exp_nr),
results::DataFrame=load_tsp_results(exp_nr))
sysid, iid, sc, algid, runid = split(expid, "_")
sc = parse(Float64, sc)
iid, runid = parse.(Int64, [ iid, runid ])
instance = TspInstance(c, sysid, iid, sc, objective_categories, constraint_categories)
exp = TspExperiment(instance, algid, runid)
_runtimes, _iterations, _evaluations = filter(r -> r.runid == runid, results)[1,[:runtimes, :iterations, :evaluations]]
pf = load_binary_vectors_from("experiment_$expid/results/$(expid)$(PF_ENDING_COMP)")
histfile = "experiment_$expid/results/$(expid)$(HIST_ENDING_COMP)"
local res
if isfile(histfile)
hs = load_binary_vectors_from(histfile)
res = TspExperimentResult(exp, eval(Meta.parse(_runtimes)), _iterations, _evaluations, pf, hs)
else
res = TspExperimentResult(exp, eval(Meta.parse(_runtimes)), _iterations, _evaluations, pf)
end
return res
end
function current_experiment_id()
counter = 1
dir = "experiment_$(counter)"
while isdir(dir)
counter += 1
dir = "experiment_$(counter)"
end
return counter-1
end
current_experiment_dir() = "experiment_$(current_experiment_id())"
next_experiment_dir() = mkdir("experiment_$(current_experiment_id()+1)")
function experiment_dir(name::String)
full_name = "experiment_$name"
if isdir(full_name)
ArgumentError("\"$full_name\" directory exists already") |> throw
else
mkdir(full_name)
end
return full_name
end
using Plots
using Plots: Plot
function allpairs(n::Integer)::Vector{Vector{Int64}}
combs = Vector{Vector{Int64}}()
for i in 1:(n-1)
for j in (i+1):n
push!(combs, Integer[i, j])
end
end
return combs
end
# OBS results must have same objectives; can be used for single one
function plot_pareto_fronts(rs::TspExperimentResult...)
pf_stats = stats.(rs)
_algids = map(r -> algid(r), rs)
return plot_pareto_fronts(_algids, pf_stats)
end
function plot_pareto_fronts(_algids::Vector{String}, pf_stats::DataFrame...)
dims = ncol(pf_stats[1])
pairs = allpairs(dims)
plots = Vector{Plot}(undef, length(pairs))
"plotting..." |> print
_shapes = [:rect, :star4, :rect, :star4, :diamond, :cross, :xcross]
_alphas = [1,1,.6,.6,.6,.2,.2]
local labels
for (idx, pair) in enumerate(pairs)
x = pf_stats[1][:,pair[1]]
y = pf_stats[1][:,pair[2]]
labels = names(pf_stats[1])[pair]
_label = idx == 1 ? _algids[1] : :none
plots[idx] = plot(x, y,
markershape = _shapes[1],
markersize = 5,
markerstrokewidth = 0,
markeralpha = _alphas[1],
seriestype = :scatter,
color = colorindex_for(_algids[1]),
xlabel = labels[1],
ylabel = labels[2],
xtickfont=font(8),
ytickfont=font(8),
xguidefontsize=12,
yguidefontsize=12,
legendfontsize=9,
legend = :topleft,
label = _label)
for r_idx in 2:length(pf_stats)
x = pf_stats[r_idx][:,pair[1]]
y = pf_stats[r_idx][:,pair[2]]
_label = idx == 1 ? _algids[r_idx] : :none
plot!(x, y,
markershape = _shapes[r_idx],
markersize = 5,
markerstrokewidth = 0,
markeralpha = _alphas[r_idx],
seriestype = :scatter,
color = colorindex_for(_algids[r_idx]),
label = _label)
end
end
"done!" |> println
return plots
end
function load_tsp_results(exp_nr::Union{String, Integer}=1)::DataFrame
res = DataFrame!(CSV.File("experiment_$(exp_nr)/results/results.csv"))
return sort(res, :runid)
end
function caseid(expid::AbstractString)
sysid, iid, sc, algid, runid = split(expid, "_")
return "$(sysid)_$(iid)_$(sc)"
end
function load_case(caseid::AbstractString, exp_nr::Union{String, Integer}=1)
load_case("experiment_$exp_nr/$caseid", true)
end
function case_ids_for(expr_nr::Union{String, Integer}=1)
pdir = "experiment_$expr_nr"
ids = filter(d -> isdir(joinpath(pdir, d)) && basename(d) != "results", readdir(pdir))
return sort(ids, by= id -> parse(Int64, split(id, '_')[3]))
end
function load_instances(objective_categories::Vector{Symbol}=Symbol[],
constraint_categories::Vector{Symbol}=Symbol[],
expr_nr::Union{String, Integer}=1)
case_ids = case_ids_for(expr_nr)
_cases = map(c -> load_case(c, expr_nr), case_ids)
return map(i -> TspInstance(_cases[i], case_ids[i], objective_categories, constraint_categories), eachindex(_cases))
end
function load_instance(iid::AbstractString,
objective_categories::Vector{Symbol}=Symbol[],
constraint_categories::Vector{Symbol}=Symbol[],
expr_nr::Union{Integer, String}=1)
TspInstance(load_case(iid, expr_nr), iid, objective_categories, constraint_categories)
end
function load_experimental_results(runid::Integer, exp_nr::Union{String, Integer}=1, results=load_tsp_results(exp_nr))
println("runid: $runid")
pdir = "experiment_$exp_nr/results/"
pf_file = filter(f -> endswith(f, "_$runid$PF_ENDING_COMP"), readdir(pdir))[1]
hs_file = filter(f -> endswith(f, "_$runid$HIST_ENDING_COMP"), readdir(pdir))[1]
case_id = join(split(pf_file, "_")[1:3], "_")
c = load_case(case_id, exp_nr)
i = TspInstance(c, case_id)
algid = join(split(pf_file, "_")[4:end-2], "_")
exp = TspExperiment(i, algid, runid)
run_row = filter(r -> r.runid == runid, eachrow(results))[1]
pf = load_binary_vectors_from(joinpath(pdir, pf_file))
hs = load_binary_vectors_from(joinpath(pdir, hs_file))
return TspExperimentResult(exp,
eval(Meta.parse.(run_row[:runtimes])),
run_row[:iterations],
run_row[:evaluations],
pf, hs)
end
function load_hist(expid::Union{String, Integer}, runid::Integer)::Vector{SparseVector{UInt8}}
res_dir = joinpath("experiment_$(expid)","results")
hists = filter(f -> endswith(f, "_$runid$HIST_ENDING_COMP") , readdir(res_dir))
@assert length(hists) == 1
hist_path = joinpath(res_dir, hists[1])
return load_binary_vectors_from(hist_path)
end
function load_pf(expid::Union{String, Integer}, runid::Integer)::Vector{SparseVector{UInt8}}
res_dir = joinpath("experiment_$(expid)","results")
pfs = filter(f -> endswith(f, "_$runid$PF_ENDING_COMP") , readdir(res_dir))
@assert length(pfs) == 1
pf_path = joinpath(res_dir, pfs[1])
return load_binary_vectors_from(pf_path)
end
function caseid(expid::Union{String, Integer}, runid::Integer)::AbstractString
res_dir = joinpath("experiment_$(expid)","results")
hists = filter(f -> endswith(f, "_$runid$HIST_ENDING_COMP") , readdir(res_dir))
@assert length(hists) == 1
parts = split.(hists[1], "_")[1:3]
return join(parts, "_")
end
function runids(expid::Union{String, Integer}, custom_filter::Function=(f)->true)::Vector{Int64}
res_dir = joinpath("experiment_$(expid)","results")
hists = filter(f -> endswith(f, HIST_ENDING_COMP) , readdir(res_dir))
hists = filter(custom_filter , hists)
parse.(Int64, map(f -> f[end-1], split.(hists, "_")))
end
function load_hist_stats(expid::Union{String, Integer},
runid::Integer)
_stats_file = joinpath("experiment_$expid", "results", "stats", "$runid$HIST_ENDING_CSV")
if isfile(_stats_file)
return CSV.read(_stats_file, DataFrame)
end
_caseid = caseid(expid, runid)
case = load_case(_caseid, expid)
hist = load_hist(expid, runid)
return stats(case, hist)
end
function load_pf_stats(expid::Union{String, Integer},
runid::Integer)
_caseid = caseid(expid, runid)
case = load_case(_caseid, expid)
pf = load_pf(expid, runid)
return stats(case, pf)
end
function load_hists(expid::Union{String, Integer})::Dict{Int64, Vector{SparseVector{UInt8}}}
_runids = runids(expid)
hist_bins = map(runid -> load_hist(expid, runid), _runids)
Dict(_runids .=> hist_bins)
end
function load_experimental_summaries(i::TspInstance, exp_nr::Union{String, Integer}=1, results=load_tsp_results(expr_nr))
println("instance: $(instanceid(i))")
pdir = "experiment_$exp_nr/results/"
all_results = readdir(pdir)
pf_files = filter(f -> isfile(pdir * f) && startswith(f, id(i)) && endswith(f, PF_ENDING_COMP), all_results)
"load pfs..." |> print
pfs = map(load_binary_vectors_from, pdir .* pf_files)
"done!" |> println
algids = map(f ->
begin
entries = split(f, "_")
algstart = 4 + length(entries) - 6
return join(entries[4:algstart], "_")
end
, pf_files)
runids = map(f ->
begin
entries = split(f, "_")
runidstart = 5 + length(entries) - 6
return parse(Int64,entries[runidstart])
end
, pf_files)
df = DataFrame(algid = algids, runid = runids, pfs = pfs)
df = sort(df, :runid)
"extract stats..." |> print
filtered_results = DataFrame(filter(r -> r.runid ∈ df[:, :runid], eachrow(results)))
if filtered_results |> isempty
return nothing
end
filtered_results = sort(filtered_results, :runid) # sort for correct assignment
_runtimes = eval.(Meta.parse.(filtered_results[:, :runtimes]))
_iterations = filtered_results[:,:iterations]
_evaluations = filtered_results[:,:evaluations]
"done!" |> println
"create experiments..." |> print
df = DataFrame(filter(e -> e.runid ∈ filtered_results.runid, eachrow(df)))
df = sort(df, :runid)
experiments = [ TspExperiment(i, df[j, :algid], df[j, :runid]) for j in 1:size(df, 1)]
"done!" |> println
"create results..." |> print
exp_results = [ TspExperimentResult(experiments[j], _runtimes[j], _iterations[j], _evaluations[j], df[j, :pfs]) for j in 1:nrow(filtered_results)]
"done!" |> println
"extract summaries..." |> println
toti = length(exp_results)
_ts = map(r -> begin
println("$(r[1]) / $toti")
return TspExperimentResultSummary(r[2])
end
, enumerate(exp_results))
"done!" |> println
return _ts
end
function load_experimental_summary(exp_nr::Union{String, Integer}=1, results = load_tsp_results(exp_nr))
case_ids = case_ids_for(exp_nr)
local summaries
for _case_id in case_ids
_case = load_case(_case_id, exp_nr)
_instance = TspInstance(_case, _case_id)
_summary = load_experimental_summaries(_instance, exp_nr, results)
if isnothing(_summary)
continue
end
if @isdefined summaries
summaries = vcat(summaries, _summary)
else
summaries = _summary
end
end
return sort!(summaries, by=runid)
end
function setup_new_experiment_with(experiment_dir::String, _systems::AbstractVector{System}, _scales::AbstractVector{<:Real}, variants::Integer)
for system in _systems
for _scale in _scales
for variant in 1:variants
instance = TspInstance(system, _scale)
save(instance, experiment_dir)
end
end
end
end
function setup_new_experiment_from(exp_nr::Union{Integer, String}, instance_ids::String...=case_ids_for(exp_nr)...)
instance_handles = joinpath.("experiment_$exp_nr", instance_ids)
ndir = next_experiment_dir()
foreach(i -> cp(instance_handles[i], joinpath(ndir, instance_ids[i])), eachindex(instance_handles))
end
function save_category_for(exp_dir::String, caseid::String, criterion::DataFrame, criterion_name::String)
file_name = joinpath(exp_dir, caseid, "$(criterion_name)$CAT_CSV_ENDING")
println(file_name)
CSV.write(file_name, criterion)
end
function load_result_stats(expid::Union{String, Integer})
return DataFrame!(CSV.File("experiment_$(expid)/results/stats/stats.csv"))
end
function plot_2ds(expnr::Union{String, Integer}, filename::String, titlename::String, _filter, runids::Integer...)
title = plot(title = titlename,
grid = false,
showaxis = false,
ticks = false)
_p = plot_2ds(expnr, runids...)[_filter]
plots = _p
plots = vcat(_p, plot(framestyle = :none))
l = length(plots)
_nrows = div(l, 3) + (l % 3 > 0 ? 1 : 0)
if l % 3 > 0
plots = vcat(plots, fill(plot(framestyle = :none), 3 - (l % 3)))
end
_p = plot(plots..., layout = (_nrows, 3), size=(1500,1500))
#_p = plot(plots..., layout = (2, 2))
_p = plot(title, _p, layout = @layout([A{0.01h}; B]))
statsdir = joinpath("experiment_$expnr","results", "stats")
mkpath(statsdir)
savefig(joinpath(statsdir, filename))
return _p
end
function algids(expnr, _runids, _results = CSV.read("experiment_$expnr/results/results.csv", DataFrame))
_relevant = filter(r -> r[:runid] ∈ _runids, _results)
return collect(_relevant[!, :algid]), _relevant[!, :runid]
end
function plot_2ds(expnr::Union{String, Integer}, runids::Integer...)
_results = CSV.read("experiment_$expnr/results/results.csv", DataFrame)
_algids, runids = algids(expnr, runids, _results)
runids = sort(runids, by=x->_ALG_NAMES[_algids[findfirst(isequal(x), runids)]])
_algids = sort(_algids, by=x->_ALG_NAMES[x])
_stats = map(r -> load_pf_stats(expnr, r), runids)
return plot_pareto_fronts(_algids, _stats...)
end
function extract_stats(expid::Union{String, Integer}, _caseid::String)
_case = load_case(_caseid, expid)
extract_stats_hist(expid, _case)
extract_stats_pf(expid, _case)
end
function extract_stats(expid::Union{String, Integer}, _case::AbstractCase, stats_load_func::Function, file_ext::String)
"extracting stats..." |> println
_c = 0
_runids = runids(expid)
for runid in _runids
_c += 1
"$_c/$(length(_runids))" |> println
_file = joinpath("experiment_$expid", "results", "stats", "$runid$file_ext")
if isfile(_file)
continue
end
_stats = stats_load_func(expid, runid)
CSV.write(_file, _stats)
end
"done!" |> println
end
function extract_stats_hist(expid::Union{String, Integer}, _case::AbstractCase)
extract_stats(expid, _case, load_hist_stats, HIST_ENDING_CSV)
end
function extract_stats_pf(expid::Union{String, Integer}, _case::AbstractCase)
extract_stats(expid, _case, load_pf_stats, PF_ENDING_CSV)
end
function coverage_criteria_labels(expid, caseid)
dir = joinpath("experiment_$expid", caseid)
_criteria = filter(f -> endswith(f, CAT_CSV_ENDING), readdir(dir))
_criteria = map(c -> split(c, "_")[1], _criteria)
return push!(_criteria, "coverage")
end