Created
May 11, 2016 22:27
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`counter` function slowdown using parameterized methods
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| julia> import Base.push! | |
| julia> import Base.getindex | |
| julia> type Accumulator{T, V<:Number} | |
| map::Dict{T,V} | |
| end | |
| julia> Accumulator{T,V<:Number}(::Type{T}, ::Type{V}) = Accumulator{T,V}(Dict{T,V}()) | |
| Accumulator{T,V<:Number} | |
| julia> counter(T::Type) = Accumulator(T,Int) | |
| counter (generic function with 1 method) | |
| julia> function counter{T}(seq::AbstractArray{T}) | |
| ct = counter(T) | |
| for x in seq | |
| push!(ct, x) | |
| end | |
| return ct | |
| end | |
| counter (generic function with 2 methods) | |
| julia> data = filter!(x->isa(x,Function), map(eval, names(Base))); | |
| julia> data = convert(Array{Function,1}, data); | |
| julia> getindex(ct, x) = get(ct.map, x, zero(Int)) | |
| getindex (generic function with 173 methods) | |
| julia> push!(ct::Accumulator, x, a) = (ct.map[x] = ct[x] + a) | |
| push! (generic function with 19 methods) | |
| julia> push!(ct::Accumulator, x) = push!(ct, x, one(Int)) | |
| push! (generic function with 20 methods) | |
| julia> @profile @time counter(data) | |
| 0.125531 seconds (82.06 k allocations: 3.443 MB, 6.79% gc time) | |
| Accumulator{Function,Int64}(Dict{Function,Int64}(Pair{Function,Int64}(find,1),Pair{Function,Int64}(middle,1),Pair{Function,Int64}(launch,1),Pair{Function,Int64}(givens,1),Pair{Function,Int64}(@ip_str,1),Pair{Function,Int64}(object_id,1),Pair{Function,Int64}(readandwrite,1),Pair{Function,Int64}(prevind,1),Pair{Function,Int64}(hist2d,1),Pair{Function,Int64}(resize!,1)…)) | |
| julia> Profile.print(format=:flat) | |
| Count File Line Function | |
| 108 ./REPL.jl 62 eval_user_input(::Any, ::Base.REPL.REPLBackend) | |
| 1 ./REPL.jl 65 eval_user_input(::Any, ::Base.REPL.REPLBackend) | |
| 43 ./REPL[6] 4 counter(::Array{Function,1}) | |
| 4 ./REPL[9] 1 getindex(::Accumulator{Function,Int64}, ::Fun... | |
| 108 ./boot.jl 230 eval(::Module, ::Any) | |
| 26 ./dict.jl 705 setindex!(::Dict{Function,Int64}, ::Int64, ::... | |
| 5 ./dict.jl 711 setindex!(::Dict{Function,Int64}, ::Int64, ::... | |
| 109 ./event.jl 46 (::Base.REPL.##1#2{Base.REPL.REPLBackend})() | |
| 6 ./grisu.jl 46 grisu(::Float64, ::Int64, ::Int64, ::Array{UI... | |
| 5 ./grisu/fastfixed.jl 233 fastfixedtoa(::Float64, ::Int64, ::Int64, ::A... | |
| 1 ./grisu/fastfixed.jl 243 fastfixedtoa(::Float64, ::Int64, ::Int64, ::A... | |
| 4 ./grisu/fastfixed.jl 44 filldigits32(::UInt32, ::Array{UInt8,1}, ::Int64) | |
| 1 ./grisu/fastfixed.jl 45 filldigits32(::UInt32, ::Array{UInt8,1}, ::Int64) | |
| 1 ./grisu/fastfixed.jl 119 fillfractionals(::UInt64, ::Int32, ::Int64, :... | |
| 1 ./inference.jl 507 (::Core.Inference.##114#115)(::Type{T}, ::Cor... | |
| 1 ./inference.jl 145 Core.Inference.InferenceState(::LambdaInfo, :... | |
| 1 ./inference.jl 3170 _getfield_elim_pass!(::Expr, ::Core.Inference... | |
| 1 ./inference.jl 3172 _getfield_elim_pass!(::Expr, ::Core.Inference... | |
| 2 ./inference.jl 985 abstract_call(::Any, ::Array{Any,1}, ::Array{... | |
| 5 ./inference.jl 1020 abstract_call(::Any, ::Array{Any,1}, ::Array{... | |
| 86 ./inference.jl 1027 abstract_call(::Any, ::Array{Any,1}, ::Array{... | |
| 2 ./inference.jl 755 abstract_call_gf_by_type(::Any, ::Any, ::Core... | |
| 84 ./inference.jl 856 abstract_call_gf_by_type(::Any, ::Any, ::Core... | |
| 113 ./inference.jl 1082 abstract_eval(::Any, ::Array{Any,1}, ::Core.I... | |
| 6 ./inference.jl 1093 abstract_eval(::Any, ::Array{Any,1}, ::Core.I... | |
| 20 ./inference.jl 1031 abstract_eval_call(::Expr, ::Array{Any,1}, ::... | |
| 93 ./inference.jl 1057 abstract_eval_call(::Expr, ::Array{Any,1}, ::... | |
| 1 ./inference.jl 1176 abstract_eval_constant(::Any) | |
| 1 ./inference.jl 1181 abstract_eval_global(::Module, ::Symbol) | |
| 26 ./inference.jl 1211 abstract_interpret(::Any, ::Array{Any,1}, ::C... | |
| 21 ./inference.jl 1219 abstract_interpret(::Any, ::Array{Any,1}, ::C... | |
| 1 ./inference.jl 3271 alloc_elim_pass!(::LambdaInfo, ::Core.Inferen... | |
| 1 ./inference.jl 3295 alloc_elim_pass!(::LambdaInfo, ::Core.Inferen... | |
| 1 ./inference.jl 651 builtin_tfunction(::Any, ::Array{Any,1}, ::Co... | |
| 1 ./inference.jl 705 builtin_tfunction(::Any, ::Array{Any,1}, ::Co... | |
| 1 ./inference.jl 2199 effect_free(::Any, ::Core.Inference.Inference... | |
| 1 ./inference.jl 2159 exprtype(::Any, ::Core.Inference.InferenceState) | |
| 1 ./inference.jl 3083 find_sa_vars(::LambdaInfo) | |
| 1 ./inference.jl 1363 find_ssavalue_uses(::Array{Any,1}) | |
| 2 ./inference.jl 1391 find_ssavalue_uses(::Any, ::Array{Core.Infere... | |
| 3 ./inference.jl 1911 finish(::Core.Inference.InferenceState) | |
| 19 ./inference.jl 1920 finish(::Core.Inference.InferenceState) | |
| 2 ./inference.jl 1923 finish(::Core.Inference.InferenceState) | |
| 2 ./inference.jl 1924 finish(::Core.Inference.InferenceState) | |
| 2 ./inference.jl 3164 getfield_elim_pass!(::LambdaInfo, ::Core.Infe... | |
| 1 ./inference.jl 477 getfield_tfunc(::Any, ::Core.Inference.Const) | |
| 7 ./inference.jl 2329 inlineable(::Any, ::Any, ::Expr, ::Array{Any,... | |
| 1 ./inference.jl 2494 inlineable(::Any, ::Any, ::Expr, ::Array{Any,... | |
| 1 ./inference.jl 2572 inlineable(::Any, ::Any, ::Expr, ::Array{Any,... | |
| 1 ./inference.jl 2586 inlineable(::Any, ::Any, ::Expr, ::Array{Any,... | |
| 2 ./inference.jl 2734 inlineable(::Any, ::Any, ::Expr, ::Array{Any,... | |
| 19 ./inference.jl 2805 inlining_pass!(::LambdaInfo, ::Core.Inference... | |
| 7 ./inference.jl 2828 inlining_pass(::Expr, ::Core.Inference.Infere... | |
| 35 ./inference.jl 2857 inlining_pass(::Expr, ::Core.Inference.Infere... | |
| 12 ./inference.jl 2931 inlining_pass(::Expr, ::Core.Inference.Infere... | |
| 1 ./inference.jl 3003 is_known_call(::Expr, ::Function, ::Core.Infe... | |
| 5 ./inference.jl 940 pure_eval_call(::Any, ::Any, ::Type{T}, ::Cor... | |
| 3 ./inference.jl 2031 type_annotate!(::LambdaInfo, ::Array{Any,1}, ... | |
| 2 ./inference.jl 1437 typeinf_edge(::Method, ::Any, ::SimpleVector,... | |
| 1 ./inference.jl 1513 typeinf_edge(::Method, ::Any, ::SimpleVector,... | |
| 121 ./inference.jl 1532 typeinf_edge(::Method, ::Any, ::SimpleVector,... | |
| 84 ./inference.jl 1537 typeinf_edge(::Method, ::Any, ::SimpleVector,... | |
| 40 ./inference.jl 1552 typeinf_ext(::LambdaInfo) | |
| 48 ./inference.jl 1655 typeinf_frame(::Core.Inference.InferenceState) | |
| 46 ./inference.jl 1732 typeinf_frame(::Core.Inference.InferenceState) | |
| 1 ./inference.jl 1777 typeinf_frame(::Core.Inference.InferenceState) | |
| 14 ./inference.jl 1833 typeinf_frame(::Core.Inference.InferenceState) | |
| 81 ./inference.jl 1580 typeinf_loop(::Core.Inference.InferenceState) | |
| 28 ./inference.jl 1598 typeinf_loop(::Core.Inference.InferenceState) | |
| 12 ./inference.jl 1612 typeinf_loop(::Core.Inference.InferenceState) | |
| 5 ./printf.jl 784 fix_dec(::Base.TTY, ::Float64, ::String, ::In... | |
| 6 ./printf.jl 938 fix_dec(::Float64, ::Int64) | |
| 1 ./printf.jl 190 print_fixed(::Base.TTY, ::Int64, ::Int32, ::I... | |
| 108 ./profile.jl 16 anonymous | |
| 13 ./reflection.jl 199 _methods_by_ftype(::Any, ::Int64) | |
| 14 ./util.jl 112 time_print(::UInt64, ::Int64, ::Int64, ::Int64) | |
| 8 ./util.jl 119 time_print(::UInt64, ::Int64, ::Int64, ::Int64) |
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