Compare commits

AST compact size (buildDeclTree)

Factor

compact size MiB

phase=buildDeclTree

*mean*	0.203
σ	0.000
min	0.203
max	0.203

AST compact size (macro expansion)

Factor

compact size MiB

phase=macro expansion

*mean*	5.301
σ	0.000
min	5.301
max	5.301

AST compact size (parser)

Factor

compact size MiB

phase=parser

*mean*	5.176
σ	0.000
min	5.176
max	5.176

AST compact size (processProdDef Decls)

Factor

compact size MiB

phase=processProdDef Decls

*mean*	5.676
σ	0.000
min	5.676
max	5.676

AST compact size (processProdDef)

Factor

compact size MiB

phase=processProdDef

*mean*	446.883-558.664=-111.781
σ	0.000
min	446.883-558.664=-111.781
max	446.883-558.664=-111.781

AST compact size (renaming)

Factor

compact size MiB

phase=renaming

*mean*	5.488
σ	0.000
min	5.488
max	5.488

AST compact size (type checker)

Factor

compact size MiB

phase=type checker

*mean*	6.645
σ	0.000
min	6.645
max	6.645

Aggregation: measureAggregations

Factor

allocated MiB

peak allocated MiB

time_s

cache=n

dps=1

iters=10

policies=100

*mean*	54.837-54.888=-0.052
σ	0.365-0.360=0.005
min	54.708-54.752=-0.044
max	55.875-55.911=-0.036

*mean*	417.000-418.700=-1.700
σ	0.000-0.483=-0.483
min	417.000-418.000=-1.000
max	417.000-419.000=-2.000

*mean*	0.140-0.140=0.000
σ	0.004-0.004=-0.001
min	0.137-0.136=0.001
max	0.148-0.148=-0.000

cache=y

dps=1

iters=10

policies=100

*mean*	43.843-43.857=-0.013
σ	0.004-0.006=-0.002
min	43.838-43.843=-0.005
max	43.848-43.863=-0.015

*mean*	417.000-419.000=-2.000
σ	0.000
min	417.000-419.000=-2.000
max	417.000-419.000=-2.000

*mean*	0.119-0.125=-0.006
σ	0.004-0.005=-0.002
min	0.116-0.118=-0.003
max	0.125-0.135=-0.010

CSV - indexed operations

Factor

allocated MiB

peak allocated MiB

time (ms)

op=column_set() on indexed

*mean*	36.617-36.618=-0.001
σ	0.000-0.002=-0.002
min	36.617-36.616=0.001
max	36.618-36.620=-0.003

*mean*	4426.000-4042.250=383.750
σ	2226.296-2009.501=216.795
min	1483.000-1216.000=267.000
max	7406.000-7149.000=257.000

*mean*	12.276-13.516=-1.240
σ	1.921-1.788=0.133
min	11.269-12.649=-1.380
max	16.912-17.909=-0.997

op=column_set() on indexed, repeat

*mean*	36.617-36.618=-0.001
σ	0.000-0.002=-0.002
min	36.617-36.616=0.001
max	36.618-36.620=-0.002

*mean*	4605.625-4042.250=563.375
σ	2257.310-2009.501=247.809
min	1483.000-1216.000=267.000
max	7406.000-7149.000=257.000

*mean*	171.439-13.288=158.151
σ	450.208-2.068=448.140
min	10.788-11.987=-1.198
max	1285.637-18.228=1267.408

op=table_records(), no indexes

*mean*	41.948-41.930=0.018
σ	0.002-0.002=0.000
min	41.946-41.928=0.018
max	41.951-41.933=0.018

*mean*	7406.000-7149.000=257.000
σ	0.000
min	7406.000-7149.000=257.000
max	7406.000-7149.000=257.000

*mean*	10.864-15.168=-4.304
σ	0.930-0.159=0.771
min	10.276-14.869=-4.592
max	13.049-15.359=-2.309

op=table_records(), repeat

*mean*	41.933-41.929=0.004
σ	0.000-0.002=-0.002
min	41.933-41.927=0.005
max	41.934-41.932=0.001

*mean*	4196.875-4042.250=154.625
σ	1953.384-2009.501=-56.116
min	1483.000-1216.000=267.000
max	7406.000-7149.000=257.000

*mean*	10.640-13.825=-3.185
σ	1.001-1.943=-0.942
min	9.971-10.927=-0.956
max	13.074-15.816=-2.741

op=vertical_lookup_list() on indexed, after table_records()

*mean*	27.655-27.654=0.002
σ	0.136-0.136=0.000
min	27.606-27.604=0.002
max	27.993-27.991=0.002

*mean*	4196.875-4042.250=154.625
σ	1953.384-2009.501=-56.116
min	1483.000-1216.000=267.000
max	7406.000-7149.000=257.000

*mean*	8.301-10.076=-1.775
σ	0.663-1.641=-0.978
min	7.305-8.835=-1.529
max	9.564-12.730=-3.166

op=vertical_lookup_list() on indexed, after table_records(), repeat

*mean*	26.406-26.401=0.005
σ	0.000-0.002=-0.002
min	26.406-26.400=0.006
max	26.406-26.404=0.002

*mean*	4196.875-4042.250=154.625
σ	1953.384-2009.501=-56.116
min	1483.000-1216.000=267.000
max	7406.000-7149.000=257.000

*mean*	6.280-8.007=-1.727
σ	0.465-1.490=-1.025
min	5.827-7.037=-1.210
max	7.341-10.445=-3.104

op=vertical_lookup_row_list() on 2 indexed

*mean*	25.681-25.668=0.013
σ	0.003-0.004=-0.001
min	25.680-25.665=0.014
max	25.688-25.677=0.010

*mean*	4605.625-4042.250=563.375
σ	2257.310-2009.501=247.809
min	1483.000-1216.000=267.000
max	7406.000-7149.000=257.000

*mean*	5.981-6.151=-0.170
σ	1.131-0.581=0.550
min	5.206-5.762=-0.556
max	8.524-7.542=0.981

op=vertical_lookup_row_list() on 3 (1 unindexed)

*mean*	25.984-25.970=0.015
σ	0.000-0.002=-0.001
min	25.984-25.968=0.016
max	25.985-25.972=0.013

*mean*	4605.625-4042.250=563.375
σ	2257.310-2009.501=247.809
min	1483.000-1216.000=267.000
max	7406.000-7149.000=257.000

*mean*	5.841-6.064=-0.223
σ	1.252-0.725=0.526
min	4.818-5.316=-0.498
max	8.635-7.587=1.048

CSV - loading a lazy table

Factor

allocated MiB

peak allocated MiB

time (ms)

op=load_product(), no indexes

*mean*	1021.627-1021.613=0.014
σ	0.002-0.002=0.000
min	1021.625-1021.612=0.013
max	1021.630-1021.616=0.014

*mean*	7406.000-7149.000=257.000
σ	0.000
min	7406.000-7149.000=257.000
max	7406.000-7149.000=257.000

*mean*	344.576-362.410=-17.834
σ	2.369-41.428=-39.059
min	341.158-342.549=-1.391
max	348.368-464.726=-116.358

op=load_product(), with indexes

*mean*	3495.878-7917.793=-4421.915
σ	0.469-0.469=-0.000
min	3495.713-7917.624=-4421.912
max	3497.038-7918.954=-4421.916

*mean*	3770.000-3273.625=496.375
σ	2309.304-1824.408=484.897
min	721.000-809.000=-88.000
max	7406.000-5623.000=1783.000

*mean*	1727.588-3818.487=-2090.899
σ	565.255-1152.588=-587.333
min	1389.962-3116.323=-1726.361
max	2764.414-5969.789=-3205.375

CSV - unindexed operations

Factor

allocated MiB

peak allocated MiB

time (ms)

op=column_set() on unindexed, dense

*mean*	62.077
σ	0.002
min	62.076
max	62.080

*mean*	4042.250
σ	2009.501
min	1216.000
max	7149.000

*mean*	88.302
σ	19.678
min	71.612
max	125.809

op=column_set() on unindexed, dense, minor warmup

*mean*	107.854
σ	0.000
min	107.853
max	107.854

*mean*	4196.875
σ	1953.384
min	1483.000
max	7406.000

*mean*	132.602
σ	8.238
min	126.752
max	152.555

op=column_set() on unindexed, dense, repeat

*mean*	62.082
σ	0.000
min	62.081
max	62.082

*mean*	4426.000
σ	2226.296
min	1483.000
max	7406.000

*mean*	123.932
σ	232.374
min	40.536
max	699.025

op=vertical_lookup_list() on unindexed missing Int

*mean*	40.946
σ	0.002
min	40.945
max	40.950

*mean*	7149.000
σ	0.000
min	7149.000
max	7149.000

*mean*	61.242
σ	1.374
min	60.347
max	64.542

op=vertical_lookup_list() repeated on unindexed missing Int

*mean*	40.948
σ	0.002
min	40.947
max	40.951

*mean*	7406.000
σ	0.000
min	7406.000
max	7406.000

*mean*	129.731
σ	304.054
min	20.998
max	882.200

op=vertical_lookup_row_list() on unindexed small unique Int

*mean*	71.308-66.688=4.620
σ	0.002-0.002=-0.000
min	71.307-66.686=4.620
max	71.311-66.691=4.620

*mean*	7406.000-7149.000=257.000
σ	0.000
min	7406.000-7149.000=257.000
max	7406.000-7149.000=257.000

*mean*	58.870-234.218=-175.349
σ	6.256-276.363=-270.107
min	55.348-98.136=-42.787
max	72.955-859.605=-786.650

CSV - warmup

Factor

allocated MiB

peak allocated MiB

time (ms)

op=table_records()

*mean*	4646.850-14217.171=-9570.321
σ	0.013-4.303=-4.290
min	4646.845-14215.576=-9568.731
max	4646.883-14227.820=-9580.937

*mean*	4196.875-4042.250=154.625
σ	1953.384-2009.501=-56.116
min	1483.000-1216.000=267.000
max	7406.000-7149.000=257.000

*mean*	3136.116-8268.117=-5132.001
σ	645.774-1908.747=-1262.973
min	2506.511-6070.188=-3563.677
max	4139.487-11263.164=-7123.676

op=vertical_lookup_list() on indexed

*mean*	1973.851-13159.109=-11185.257
σ	0.002-0.002=0.000
min	1973.849-13159.106=-11185.256
max	1973.853-13159.110=-11185.256

*mean*	7406.000-7149.000=257.000
σ	0.000
min	7406.000-7149.000=257.000
max	7406.000-7149.000=257.000

*mean*	1003.366-5341.788=-4338.422
σ	201.189-642.915=-441.726
min	909.700-5034.626=-4124.926
max	1485.674-6879.707=-5394.033

op=vertical_lookup_list() on unindexed missing Int, minor warmup

*mean*	905.105
σ	0.002
min	905.102
max	905.108

*mean*	7406.000
σ	0.000
min	7406.000
max	7406.000

*mean*	401.976
σ	41.523
min	379.256
max	504.272

CSV internal benchmark: pointedIndexFromKvs

Factor

allocated MiB

peak allocated MiB

time (ms)

op=pointedIndexFromKvs

rows=200000

*mean*	148.144-172.559=-24.414
σ	0.001
min	148.144-172.558=-24.414
max	148.148-172.562=-24.414

*mean*	477.000-478.000=-1.000
σ	0.000
min	477.000-478.000=-1.000
max	477.000-478.000=-1.000

*mean*	369.618-361.409=8.209
σ	31.972-32.679=-0.707
min	317.857-294.891=22.966
max	429.929-390.089=39.840

op=pointedIndexFromKvs

rows=400000

*mean*	308.493-357.322=-48.828
σ	0.001
min	308.493-357.321=-48.828
max	308.497-357.325=-48.828

*mean*	561.625-560.000=1.625
σ	0.518-0.000=0.518
min	561.000-560.000=1.000
max	562.000-560.000=2.000

*mean*	759.323-734.181=25.142
σ	40.728-70.799=-30.070
min	721.069-613.885=107.184
max	834.557-805.243=29.314

Marine Hull: transactPolicy

Factor

allocated MiB

peak allocated MiB

time

datapoints=1

iterations=20

*mean*	963.974-1024.300=-60.326
σ	1.820-0.760=1.060
min	963.265-1023.825=-60.560
max	971.669-1027.441=-55.773

*mean*	1042.450-1035.550=6.900
σ	306.046-303.496=2.550
min	585.000-552.000=33.000
max	1491.000-1460.000=31.000

*mean*	1.255-1.550=-0.295
σ	0.084-0.101=-0.016
min	1.185-1.355=-0.169
max	1.500-1.821=-0.321

Parser: Comma Sep

Factor

allocated MiB

peak allocated MiB

time (ms)

name=ambiguous_item.art

*mean*	0.913-0.913=0.000
σ	0.020
min	0.903-0.903=0.000
max	0.949-0.949=0.000

*mean*	402.000
σ	0.000
min	402.000
max	402.000

*mean*	0.509-0.403=0.106
σ	0.464-0.504=-0.040
min	0.249-0.150=0.100
max	1.329-1.303=0.026

name=error_case.art

*mean*	2.340-2.339=0.001
σ	0.012
min	2.334-2.333=0.001
max	2.362-2.361=0.001

*mean*	402.000
σ	0.000
min	402.000
max	402.000

*mean*	0.821-0.473=0.347
σ	0.520-0.314=0.206
min	0.566-0.319=0.247
max	1.749-1.034=0.715

name=heavy_item.art

*mean*	1.523-1.522=0.000
σ	0.002
min	1.521-1.521=0.000
max	1.525-1.525=0.000

*mean*	402.000
σ	0.000
min	402.000
max	402.000

*mean*	0.386-0.215=0.171
σ	0.029-0.025=0.005
min	0.359-0.198=0.161
max	0.430-0.257=0.173

name=nested_use.art

*mean*	2.358-2.357=0.001
σ	0.002
min	2.357-2.356=0.001
max	2.361-2.360=0.001

*mean*	402.000
σ	0.000
min	402.000
max	402.000

*mean*	0.590-0.329=0.261
σ	0.036-0.016=0.021
min	0.550-0.313=0.237
max	0.644-0.354=0.290

Parser: Real World

Factor

allocated MiB

peak allocated MiB

time (sec)

name=aon_gpf25_7k_loc.art

*mean*	964.971-964.840=0.130
σ	0.011
min	964.965-964.835=0.130
max	964.989-964.859=0.130

*mean*	431.000-436.600=-5.600
σ	0.000-6.066=-6.066
min	431.000
max	431.000-443.000=-12.000

*mean*	0.660-0.567=0.093
σ	0.073-0.043=0.030
min	0.584-0.511=0.072
max	0.730-0.609=0.121

name=cdr_enhanced_4k_loc.art

*mean*	885.898-885.820=0.078
σ	0.002
min	885.897-885.819=0.078
max	885.901-885.823=0.078

*mean*	431.000-443.000=-12.000
σ	0.000
min	431.000-443.000=-12.000
max	431.000-443.000=-12.000

*mean*	0.465-0.455=0.011
σ	0.035-0.060=-0.026
min	0.423-0.382=0.040
max	0.510-0.526=-0.016

Parser: Record Parsing

Factor

allocated MiB

peak allocated MiB

time (ms)

name=record_render_large_success.art

*mean*	7.710-7.709=0.001
σ	0.002
min	7.709-7.708=0.001
max	7.713-7.712=0.001

*mean*	431.000-443.000=-12.000
σ	0.000
min	431.000-443.000=-12.000
max	431.000-443.000=-12.000

*mean*	1.977-2.170=-0.193
σ	0.086-0.334=-0.249
min	1.856-1.762=0.093
max	2.257-3.240=-0.983

name=record_render_large_syntax_err.art

*mean*	7.658-7.657=0.001
σ	0.002
min	7.657-7.656=0.001
max	7.661-7.660=0.001

*mean*	431.000-443.000=-12.000
σ	0.000
min	431.000-443.000=-12.000
max	431.000-443.000=-12.000

*mean*	1.957-2.626=-0.669
σ	0.072-0.105=-0.033
min	1.858-2.457=-0.598
max	2.238-2.993=-0.755

name=record_render_success.art

*mean*	2.290-2.289=0.000
σ	0.002
min	2.289-2.289=0.000
max	2.293-2.293=0.000

*mean*	431.000-443.000=-12.000
σ	0.000
min	431.000-443.000=-12.000
max	431.000-443.000=-12.000

*mean*	0.302-0.308=-0.006
σ	0.008-0.012=-0.004
min	0.290-0.293=-0.003
max	0.344-0.369=-0.025

name=record_render_syntax_err.art

*mean*	2.165-2.165=0.000
σ	0.002
min	2.164-2.164=0.000
max	2.168-2.168=0.000

*mean*	431.000-443.000=-12.000
σ	0.000
min	431.000-443.000=-12.000
max	431.000-443.000=-12.000

*mean*	0.287-0.292=-0.005
σ	0.008-0.015=-0.007
min	0.273-0.277=-0.005
max	0.333-0.419=-0.086

Revision Creation

Factor

allocated MiB

peak allocated MiB

time_s

number of threads=8

revision count=1000

*mean*	11.868
σ	12.012
min	0.718
max	83.989

*mean*	456.475
σ	18.735
min	407.000
max	478.000

*mean*	0.027
σ	0.029
min	0.001
max	0.199

SoV import

Factor

allocated MiB

peak allocated MiB

time_s

iters=10

rows=1000

*mean*	278.685-298.500=-19.815
σ	1.026-1.095=-0.069
min	278.276-298.054=-19.778
max	281.604-301.609=-20.006

*mean*	444.100-442.500=1.600
σ	16.603-15.190=1.413
min	418.000-420.000=-2.000
max	468.000-462.000=6.000

*mean*	0.570-0.590=-0.021
σ	0.024-0.039=-0.015
min	0.536-0.519=0.016
max	0.612-0.648=-0.036

Timed compile per phase

Factor

allocated MiB

peak allocated MiB

time (ms)

phase=buildDeclTree

*mean*	173.738-236.681=-62.943
σ	0.000-0.000=0.000
min	173.738-236.681=-62.943
max	173.738-236.682=-62.943

*mean*	844.000-960.625=-116.625
σ	0.000-20.860=-20.860
min	844.000-909.000=-65.000
max	844.000-968.000=-124.000

*mean*	212.696-205.627=7.069
σ	27.564-1.929=25.634
min	180.361-202.961=-22.600
max	251.600-207.807=43.793

phase=macro expansion

*mean*	6.130-6.133=-0.004
σ	0.000
min	6.130-6.133=-0.004
max	6.130-6.133=-0.004

*mean*	843.375-960.625=-117.250
σ	1.768-20.860=-19.092
min	839.000-909.000=-70.000
max	844.000-968.000=-124.000

*mean*	8.933-7.288=1.645
σ	0.937-1.468=-0.531
min	7.343-6.266=1.076
max	9.514-9.701=-0.187

phase=parser

*mean*	1042.435-1042.362=0.072
σ	0.000-0.000=-0.000
min	1042.434-1042.362=0.072
max	1042.435-1042.363=0.072

*mean*	843.375-960.625=-117.250
σ	1.768-20.860=-19.092
min	839.000-909.000=-70.000
max	844.000-968.000=-124.000

*mean*	563.815-479.717=84.097
σ	44.603-66.262=-21.659
min	489.930-376.932=112.998
max	607.062-550.610=56.452

phase=processProdDef

*mean*	2243.976-4850.764=-2606.788
σ	0.000-0.000=-0.000
min	2243.976-4850.764=-2606.788
max	2243.976-4850.764=-2606.789

*mean*	844.000-968.000=-124.000
σ	0.000
min	844.000-968.000=-124.000
max	844.000-968.000=-124.000

*mean*	2952.318-5106.074=-2153.757
σ	486.164-346.978=139.186
min	2167.420-4527.537=-2360.117
max	3460.427-5425.130=-1964.704

phase=renaming

*mean*	21.671-21.671=-0.000
σ	0.000
min	21.671-21.671=-0.000
max	21.671-21.671=-0.000

*mean*	843.375-960.625=-117.250
σ	1.768-20.860=-19.092
min	839.000-909.000=-70.000
max	844.000-968.000=-124.000

*mean*	36.779-25.739=11.040
σ	6.366-9.210=-2.844
min	26.312-20.627=5.684
max	40.772-40.675=0.097

phase=type checker

*mean*	989.752-990.450=-0.698
σ	0.066-0.071=-0.005
min	989.654-990.344=-0.690
max	989.841-990.563=-0.722

*mean*	843.375-960.625=-117.250
σ	1.768-20.860=-19.092
min	839.000-909.000=-70.000
max	844.000-968.000=-124.000

*mean*	687.420-676.242=11.178
σ	41.410-20.511=20.900
min	636.227-651.400=-15.173
max	777.745-698.530=79.215

Workflow: transactPolicy

Factor

allocated MiB

peak allocated MiB

time

iters=5

new-facts=1

prior-facts=1

*mean*	282.395-293.820=-11.425
σ	0.024-0.038=-0.013
min	282.374-293.768=-11.395
max	282.426-293.859=-11.433

*mean*	442.400-443.400=-1.000
σ	0.548
min	442.000-443.000=-1.000
max	443.000-444.000=-1.000

*mean*	0.378-0.399=-0.021
σ	0.005-0.007=-0.003
min	0.374-0.391=-0.017
max	0.385-0.408=-0.023

iters=5

new-facts=1

prior-facts=6402

*mean*	1267.075-1320.087=-53.012
σ	0.087-0.080=0.007
min	1266.997-1320.005=-53.009
max	1267.220-1320.201=-52.981

*mean*	1112.600-1067.200=45.400
σ	168.911-165.587=3.323
min	897.000-843.000=54.000
max	1322.000-1269.000=53.000

*mean*	1.904-1.973=-0.069
σ	0.072-0.199=-0.128
min	1.827-1.838=-0.012
max	2.015-2.316=-0.301

iters=5

new-facts=6402

prior-facts=1

*mean*	1506.144-1560.619=-54.475
σ	2.941-6.228=-3.287
min	1504.655-1557.624=-52.969
max	1511.395-1571.755=-60.360

*mean*	628.000-618.400=9.600
σ	90.214-82.851=7.363
min	504.000-493.000=11.000
max	727.000-716.000=11.000

*mean*	2.399-2.326=0.074
σ	0.335-0.174=0.161
min	2.069-2.163=-0.094
max	2.801-2.612=0.189

iters=5

new-facts=6402

prior-facts=6402

*mean*	1829.107-1882.174=-53.067
σ	0.062-0.053=0.009
min	1829.023-1882.121=-53.098
max	1829.186-1882.255=-53.069

*mean*	1754.600-1704.400=50.200
σ	216.583-244.762=-28.178
min	1464.000-1396.000=68.000
max	1959.000-2021.000=-62.000

*mean*	3.115-2.897=0.219
σ	0.300-0.166=0.134
min	2.835-2.704=0.130
max	3.545-3.136=0.409

newProductH/cdr_auton/broker

Factor

time_s

iterations=5

*mean*	1.739-1.735=0.004
σ	0.095-0.116=-0.021
min	1.624-1.546=0.079
max	1.845-1.860=-0.014

policy addition benchmark

Factor

allocated MiB

db queries

peak allocated MiB

time

policies=2

*mean*	397.699-452.082=-54.383
σ	518.051-582.723=-64.671
min	138.671-160.720=-22.049
max	1174.776-1326.166=-151.391

*mean*	97.750-102.250=-4.500
σ	7.500-8.500=-1.000
min	94.000-98.000=-4.000
max	109.000-115.000=-6.000

*mean*	447.000-442.000=5.000
σ	0.000
min	447.000-442.000=5.000
max	447.000-442.000=5.000

*mean*	0.476-0.547=-0.071
σ	0.483-0.546=-0.063
min	0.233-0.265=-0.033
max	1.200-1.366=-0.166

policies=20

*mean*	1386.842-1607.535=-220.693
σ	0.164-0.416=-0.252
min	1386.728-1607.256=-220.527
max	1387.085-1608.151=-221.066

*mean*	940.000-980.000=-40.000
σ	0.000
min	940.000-980.000=-40.000
max	940.000-980.000=-40.000

*mean*	447.000-450.500=-3.500
σ	0.000-9.815=-9.815
min	447.000-442.000=5.000
max	447.000-459.000=-12.000

*mean*	2.321-2.689=-0.368
σ	0.014-0.021=-0.007
min	2.301-2.663=-0.362
max	2.332-2.713=-0.381

policies=200

*mean*	13876.879-16083.372=-2206.493
σ	0.050-0.100=-0.050
min	13876.821-16083.306=-2206.485
max	13876.937-16083.521=-2206.584

*mean*	9400.000-9800.000=-400.000
σ	0.000
min	9400.000-9800.000=-400.000
max	9400.000-9800.000=-400.000

*mean*	496.000-497.250=-1.250
σ	3.916-3.403=0.512
min	492.000-493.000=-1.000
max	501.000-500.000=1.000

*mean*	23.562-27.199=-3.637
σ	0.212-0.080=0.132
min	23.363-27.119=-3.756
max	23.860-27.309=-3.449