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refactor: Use a more representative code style

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Removing global indexing takes off quite a bit of run time.
This commit is contained in:
Lucas Schwiderski 2022-10-11 23:13:55 +02:00
parent f4493fe5ce
commit 33ff43c859
Signed by: lucas
GPG key ID: AA12679AAA6DF4D8
2 changed files with 217 additions and 218 deletions
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320
vararg-iteration/results.log
View file

@ -9,328 +9,328 @@ Lua: lua5.1
Number of elements: 2
Number of iterations: 2097152
---- STARTING TEST ----
numeric for: 0.552162
ipairs{...}: 0.690995
select : 0.286485
combination: 0.25396
numeric for: 0.371987
ipairs{...}: 0.611327
select : 0.241211
combination: 0.190263
Number of elements: 4
Number of iterations: 1048576
---- STARTING TEST ----
numeric for: 0.417153
ipairs{...}: 0.545133
select : 0.328147
combination: 0.310883
numeric for: 0.266934
ipairs{...}: 0.491831
select : 0.28037
combination: 0.287743
Number of elements: 8
Number of iterations: 524288
---- STARTING TEST ----
numeric for: 0.348244
ipairs{...}: 0.471477
select : 0.367715
combination: 0.371746
numeric for: 0.227304
ipairs{...}: 0.459805
select : 0.334971
combination: 0.33622
Number of elements: 16
Number of iterations: 262144
---- STARTING TEST ----
numeric for: 0.302945
ipairs{...}: 0.428739
select : 0.443048
combination: 0.418883
numeric for: 0.186637
ipairs{...}: 0.42781
select : 0.405969
combination: 0.379274
Number of elements: 32
Number of iterations: 131072
---- STARTING TEST ----
numeric for: 0.288698
ipairs{...}: 0.415577
select : 0.602379
combination: 0.39393
numeric for: 0.166135
ipairs{...}: 0.380042
select : 0.567623
combination: 0.359938
Number of elements: 64
Number of iterations: 65536
---- STARTING TEST ----
numeric for: 0.267878
ipairs{...}: 0.406569
select : 0.964695
combination: 0.390686
numeric for: 0.143388
ipairs{...}: 0.353311
select : 0.954676
combination: 0.368544
Number of elements: 128
Number of iterations: 32768
---- STARTING TEST ----
numeric for: 0.254064
ipairs{...}: 0.384773
select : 1.625094
combination: 0.383372
numeric for: 0.180336
ipairs{...}: 0.393123
select : 1.763199
combination: 0.336671
Number of elements: 256
Number of iterations: 16384
---- STARTING TEST ----
numeric for: 0.247988
ipairs{...}: 0.384708
select : 2.943422
combination: 0.381021
numeric for: 0.126873
ipairs{...}: 0.318658
select : 3.104612
combination: 0.377221
Lua: lua5.2
Number of elements: 2
Number of iterations: 2097152
---- STARTING TEST ----
numeric for: 0.560537
ipairs{...}: 0.746473
select : 0.537075
combination: 0.609935
numeric for: 0.398561
ipairs{...}: 0.761983
select : 0.487142
combination: 0.532769
Number of elements: 4
Number of iterations: 1048576
---- STARTING TEST ----
numeric for: 0.436931
ipairs{...}: 0.563225
select : 0.487017
combination: 0.519111
numeric for: 0.27465
ipairs{...}: 0.534074
select : 0.449063
combination: 0.439299
Number of elements: 8
Number of iterations: 524288
---- STARTING TEST ----
numeric for: 0.363167
ipairs{...}: 0.465143
select : 0.474101
combination: 0.489039
numeric for: 0.205838
ipairs{...}: 0.412852
select : 0.409167
combination: 0.419125
Number of elements: 16
Number of iterations: 262144
---- STARTING TEST ----
numeric for: 0.324731
ipairs{...}: 0.414151
select : 0.530607
combination: 0.446816
numeric for: 0.195762
ipairs{...}: 0.369171
select : 0.457718
combination: 0.406086
Number of elements: 32
Number of iterations: 131072
---- STARTING TEST ----
numeric for: 0.306231
ipairs{...}: 0.392634
select : 0.661512
combination: 0.408606
numeric for: 0.166519
ipairs{...}: 0.348589
select : 0.621922
combination: 0.354629
Number of elements: 64
Number of iterations: 65536
---- STARTING TEST ----
numeric for: 0.305991
ipairs{...}: 0.372077
select : 1.049758
combination: 0.379606
numeric for: 0.151066
ipairs{...}: 0.331067
select : 1.026244
combination: 0.355329
Number of elements: 128
Number of iterations: 32768
---- STARTING TEST ----
numeric for: 0.287538
ipairs{...}: 0.372301
select : 1.77883
combination: 0.369424
numeric for: 0.145573
ipairs{...}: 0.326475
select : 1.754032
combination: 0.3286
Number of elements: 256
Number of iterations: 16384
---- STARTING TEST ----
numeric for: 0.287302
ipairs{...}: 0.358031
select : 3.178964
combination: 0.363598
numeric for: 0.139801
ipairs{...}: 0.307179
select : 3.221814
combination: 0.323516
Lua: lua5.3
Number of elements: 2
Number of iterations: 2097152
---- STARTING TEST ----
numeric for: 0.46859
ipairs{...}: 0.640256
select : 0.437587
combination: 0.483519
numeric for: 0.351627
ipairs{...}: 0.601889
select : 0.405517
combination: 0.430988
Number of elements: 4
Number of iterations: 1048576
---- STARTING TEST ----
numeric for: 0.364446
ipairs{...}: 0.466707
select : 0.390046
combination: 0.423592
numeric for: 0.248043
ipairs{...}: 0.444649
select : 0.363131
combination: 0.370977
Number of elements: 8
Number of iterations: 524288
---- STARTING TEST ----
numeric for: 0.285324
ipairs{...}: 0.36883
select : 0.386637
combination: 0.402977
numeric for: 0.188097
ipairs{...}: 0.332006
select : 0.353665
combination: 0.352776
Number of elements: 16
Number of iterations: 262144
---- STARTING TEST ----
numeric for: 0.247901
ipairs{...}: 0.323775
select : 0.438333
combination: 0.341976
numeric for: 0.148284
ipairs{...}: 0.286253
select : 0.413759
combination: 0.303672
Number of elements: 32
Number of iterations: 131072
---- STARTING TEST ----
numeric for: 0.234862
ipairs{...}: 0.302702
select : 0.545853
combination: 0.317096
numeric for: 0.134151
ipairs{...}: 0.262933
select : 0.519517
combination: 0.271823
Number of elements: 64
Number of iterations: 65536
---- STARTING TEST ----
numeric for: 0.220949
ipairs{...}: 0.290624
select : 0.8336
combination: 0.292184
numeric for: 0.121241
ipairs{...}: 0.242814
select : 0.816218
combination: 0.251495
Number of elements: 128
Number of iterations: 32768
---- STARTING TEST ----
numeric for: 0.213136
ipairs{...}: 0.28163
select : 1.308727
combination: 0.279163
numeric for: 0.110836
ipairs{...}: 0.230441
select : 1.308072
combination: 0.239512
Number of elements: 256
Number of iterations: 16384
---- STARTING TEST ----
numeric for: 0.215232
ipairs{...}: 0.272502
select : 2.274558
combination: 0.273622
numeric for: 0.122321
ipairs{...}: 0.229355
select : 2.319636
combination: 0.241176
Lua: lua5.4
Number of elements: 2
Number of iterations: 2097152
---- STARTING TEST ----
numeric for: 0.373074
ipairs{...}: 0.512667
select : 0.368981
combination: 0.426854
numeric for: 0.327543
ipairs{...}: 0.520322
select : 0.372057
combination: 0.386067
Number of elements: 4
Number of iterations: 1048576
---- STARTING TEST ----
numeric for: 0.330613
ipairs{...}: 0.42877
select : 0.371128
combination: 0.427162
numeric for: 0.193464
ipairs{...}: 0.382319
select : 0.315009
combination: 0.318594
Number of elements: 8
Number of iterations: 524288
---- STARTING TEST ----
numeric for: 0.218039
ipairs{...}: 0.378982
select : 0.42071
combination: 0.388871
numeric for: 0.131633
ipairs{...}: 0.286164
select : 0.309684
combination: 0.314373
Number of elements: 16
Number of iterations: 262144
---- STARTING TEST ----
numeric for: 0.207389
ipairs{...}: 0.314401
select : 0.466114
combination: 0.325659
numeric for: 0.101963
ipairs{...}: 0.244499
select : 0.366027
combination: 0.255374
Number of elements: 32
Number of iterations: 131072
---- STARTING TEST ----
numeric for: 0.203002
ipairs{...}: 0.265324
select : 0.530656
combination: 0.311731
numeric for: 0.085311
ipairs{...}: 0.215857
select : 0.507201
combination: 0.22148
Number of elements: 64
Number of iterations: 65536
---- STARTING TEST ----
numeric for: 0.194642
ipairs{...}: 0.310673
select : 0.909296
combination: 0.280604
numeric for: 0.07508
ipairs{...}: 0.208738
select : 0.780712
combination: 0.213357
Number of elements: 128
Number of iterations: 32768
---- STARTING TEST ----
numeric for: 0.14598
ipairs{...}: 0.276733
select : 1.36814
combination: 0.260261
numeric for: 0.071918
ipairs{...}: 0.200097
select : 1.264535
combination: 0.211788
Number of elements: 256
Number of iterations: 16384
---- STARTING TEST ----
numeric for: 0.141446
ipairs{...}: 0.244541
select : 2.375652
combination: 0.243239
numeric for: 0.078431
ipairs{...}: 0.204291
select : 2.307693
combination: 0.203908
Lua: luajit
Number of elements: 2
Number of iterations: 2097152
---- STARTING TEST ----
numeric for: 0.222393
ipairs{...}: 0.221411
select : 0.121801
combination: 0.112205
numeric for: 0.213411
ipairs{...}: 0.234036
select : 0.145688
combination: 0.12318
Number of elements: 4
Number of iterations: 1048576
---- STARTING TEST ----
numeric for: 0.126469
ipairs{...}: 0.122567
select : 0.138826
combination: 0.134571
numeric for: 0.144282
ipairs{...}: 0.135887
select : 0.127091
combination: 0.108254
Number of elements: 8
Number of iterations: 524288
---- STARTING TEST ----
numeric for: 0.076119
ipairs{...}: 0.075873
select : 0.181403
combination: 0.173958
numeric for: 0.071371
ipairs{...}: 0.074621
select : 0.158596
combination: 0.153072
Number of elements: 16
Number of iterations: 262144
---- STARTING TEST ----
numeric for: 0.056428
ipairs{...}: 0.056107
select : 0.274034
combination: 0.066305
numeric for: 0.053648
ipairs{...}: 0.059854
select : 0.251541
combination: 0.064755
Number of elements: 32
Number of iterations: 131072
---- STARTING TEST ----
numeric for: 0.041979
ipairs{...}: 0.043606
select : 0.478121
combination: 0.051035
numeric for: 0.039764
ipairs{...}: 0.04303
select : 0.452093
combination: 0.049187
Number of elements: 64
Number of iterations: 65536
---- STARTING TEST ----
numeric for: 0.033367
ipairs{...}: 0.035739
select : 0.808869
combination: 0.040126
numeric for: 0.03186
ipairs{...}: 0.037593
select : 0.809323
combination: 0.042127
Number of elements: 128
Number of iterations: 32768
---- STARTING TEST ----
numeric for: 0.025935
ipairs{...}: 0.029247
select : 1.473057
combination: 0.034267
numeric for: 0.025502
ipairs{...}: 0.030757
select : 1.437088
combination: 0.035736
Number of elements: 256
Number of iterations: 16384
---- STARTING TEST ----
numeric for: 0.023097
ipairs{...}: 0.026557
select : 2.668443
combination: 0.030818000000001
numeric for: 0.022848
ipairs{...}: 0.027503
select : 2.710008
combination: 0.032227000000001

53
vararg-iteration/run.lua
View file

@ -1,24 +1,23 @@
local unpack = table.unpack or
function(tab)
return table.remove(tab,1), unpack(tab)
local function v51_unpack(t)
return table.remove(t, 1), unpack(t)
end
function try(fnc,n,...)
name = name or ""
ts = os.clock()
for i=1,n do
local function try(fnc, n, ...)
local start = os.clock()
for _ = 1, n do
fnc(...)
end
te = os.clock()
print(te-ts)
print(os.clock()-start)
end
local unpack = table.unpack or v51_unpack
for i = 1, 8 do
values = {}
n = 2^i
local values = {}
local n = 2^i
print(("Number of elements: %i"):format(n))
for i=1,n*2 do
values[#values+1]=i
for j =1, n*2 do
values[#values+1] = j
end
n = 2^22 / n
print(("Number of iterations: %i"):format(n))
@ -27,39 +26,39 @@ for i=1,8 do
io.write "numeric for: "
try(function(...)
args = {...}
for i=1,#args do
a = args[i]
local args = {...}
for j = 1, #args do
local _ = args[j]
end
end, n, unpack(values))
io.write "ipairs{...}: "
try(function(...)
args = {...}
for key, value in ipairs(args) do
a = value
local args = {...}
for _, value in ipairs(args) do
local _ = value
end
end, n, unpack(values))
io.write "select : "
try(function(...)
for i=1,select("#",...) do
a = select(i,...)
for j = 1,select("#",...) do
local _ = select(j,...)
end
end, n, unpack(values))
---[[
io.write "combination: "
try(function(...)
n_args = select("#",...)
local n_args = select("#",...)
if n_args <= 16 then
for i=1,n_args do
a = select(i,...)
for j = 1, n_args do
local _ = select(j,...)
end
else
args = {...}
for key, value in ipairs(args) do
a = value
local args = {...}
for _, value in ipairs(args) do
local _ = value
end
end
end, n, unpack(values))