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*	54.835-54.881=-0.046
σ	0.365-0.361=0.005
min	54.706-54.742=-0.036
max	55.875-55.906=-0.031

*mean*	418.000-416.000=2.000
σ	0.000
min	418.000-416.000=2.000
max	418.000-416.000=2.000

*mean*	0.140-0.142=-0.002
σ	0.004-0.006=-0.002
min	0.137-0.137=-0.001
max	0.148-0.153=-0.005

cache=y

dps=1

iters=10

policies=100

*mean*	43.842-43.850=-0.008
σ	0.003-0.005=-0.002
min	43.835-43.842=-0.007
max	43.847-43.860=-0.013

*mean*	418.000-416.000=2.000
σ	0.000
min	418.000-416.000=2.000
max	418.000-416.000=2.000

*mean*	0.120-0.125=-0.005
σ	0.005-0.004=0.001
min	0.115-0.122=-0.008
max	0.129-0.133=-0.004

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=-0.002

*mean*	4591.625-4043.500=548.125
σ	2249.892-2009.675=240.218
min	1485.000-1217.000=268.000
max	7386.000-7149.000=237.000

*mean*	114.937-12.694=102.243
σ	288.354-1.739=286.615
min	11.828-11.912=-0.083
max	828.559-16.980=811.580

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=-0.003

*mean*	4591.625-4043.500=548.125
σ	2249.892-2009.675=240.218
min	1485.000-1217.000=268.000
max	7386.000-7149.000=237.000

*mean*	13.030-12.578=0.452
σ	2.428-1.977=0.451
min	11.330-11.178=0.151
max	18.631-17.229=1.403

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	41.950-41.932=0.018

*mean*	7386.000-7149.000=237.000
σ	0.000
min	7386.000-7149.000=237.000
max	7386.000-7149.000=237.000

*mean*	11.144-14.697=-3.552
σ	0.244-0.144=0.101
min	10.846-14.500=-3.655
max	11.525-14.957=-3.432

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*	4182.500-4043.500=139.000
σ	1946.264-2009.675=-63.411
min	1485.000-1217.000=268.000
max	7386.000-7149.000=237.000

*mean*	12.024-14.013=-1.989
σ	1.752-1.646=0.106
min	11.112-10.247=0.865
max	16.308-15.384=0.925

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

*mean*	27.655-27.654=0.001
σ	0.137-0.136=0.000
min	27.606-27.604=0.002
max	27.993-27.991=0.002

*mean*	4182.500-4043.500=139.000
σ	1946.264-2009.675=-63.411
min	1485.000-1217.000=268.000
max	7386.000-7149.000=237.000

*mean*	8.939-9.388=-0.448
σ	1.288-1.595=-0.307
min	8.053-8.038=0.015
max	12.071-12.106=-0.035

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*	4182.500-4043.500=139.000
σ	1946.264-2009.675=-63.411
min	1485.000-1217.000=268.000
max	7386.000-7149.000=237.000

*mean*	6.696-7.148=-0.452
σ	1.133-1.628=-0.494
min	5.717-5.925=-0.208
max	9.395-9.812=-0.417

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	25.688-25.678=0.010

*mean*	4591.625-4043.500=548.125
σ	2249.892-2009.675=240.218
min	1485.000-1217.000=268.000
max	7386.000-7149.000=237.000

*mean*	6.244-5.566=0.679
σ	0.456-0.542=-0.087
min	5.935-5.251=0.684
max	7.337-6.876=0.461

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*	4591.625-4043.500=548.125
σ	2249.892-2009.675=240.218
min	1485.000-1217.000=268.000
max	7386.000-7149.000=237.000

*mean*	6.056-5.399=0.657
σ	0.551-0.460=0.091
min	5.688-5.087=0.602
max	7.391-6.499=0.891

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	1021.629-1021.616=0.013

*mean*	7386.000-7149.000=237.000
σ	0.000
min	7386.000-7149.000=237.000
max	7386.000-7149.000=237.000

*mean*	362.034-374.308=-12.274
σ	43.324-79.599=-36.274
min	344.450-343.433=1.017
max	469.155-571.240=-102.085

op=load_product(), with indexes

*mean*	3495.878-7917.793=-4421.914
σ	0.469-0.469=-0.001
min	3495.713-7917.625=-4421.913
max	3497.038-7918.954=-4421.916

*mean*	3758.375-3274.875=483.500
σ	2300.951-1825.216=475.735
min	720.000-809.000=-89.000
max	7386.000-5624.000=1762.000

*mean*	1723.757-3658.245=-1934.488
σ	611.701-1038.497=-426.796
min	1394.931-3070.515=-1675.584
max	2975.665-6036.809=-3061.144

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*	4043.500
σ	2009.675
min	1217.000
max	7149.000

*mean*	88.482
σ	20.978
min	69.692
max	117.258

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

*mean*	107.854
σ	0.000
min	107.853
max	107.855

*mean*	4411.500
σ	2219.313
min	1485.000
max	7386.000

*mean*	247.170
σ	318.899
min	123.643
max	1035.335

op=column_set() on unindexed, dense, repeat

*mean*	62.081
σ	0.000
min	62.081
max	62.082

*mean*	4411.500
σ	2219.313
min	1485.000
max	7386.000

*mean*	44.825
σ	7.450
min	40.444
max	63.028

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*	60.642
σ	1.309
min	59.502
max	63.778

op=vertical_lookup_list() repeated on unindexed missing Int

*mean*	40.948
σ	0.002
min	40.947
max	40.950

*mean*	7386.000
σ	0.000
min	7386.000
max	7386.000

*mean*	22.609
σ	2.070
min	21.488
max	27.679

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=4.621
max	71.311-66.691=4.620

*mean*	7386.000-7149.000=237.000
σ	0.000
min	7386.000-7149.000=237.000
max	7386.000-7149.000=237.000

*mean*	220.672-99.493=121.178
σ	463.445-0.625=462.820
min	55.060-98.642=-43.583
max	1367.610-100.577=1267.033

CSV - warmup

Factor

allocated MiB

peak allocated MiB

time (ms)

op=table_records()

*mean*	4646.851-14217.171=-9570.320
σ	0.014-4.303=-4.290
min	4646.845-14215.575=-9568.730
max	4646.884-14227.820=-9580.936

*mean*	4182.500-4043.500=139.000
σ	1946.264-2009.675=-63.411
min	1485.000-1217.000=268.000
max	7386.000-7149.000=237.000

*mean*	3273.001-8004.461=-4731.460
σ	741.343-1980.310=-1238.968
min	2508.135-5963.004=-3454.869
max	4490.800-10983.517=-6492.717

op=vertical_lookup_list() on indexed

*mean*	1973.851-13159.108=-11185.257
σ	0.002-0.002=0.000
min	1973.849-13159.106=-11185.256
max	1973.854-13159.110=-11185.256

*mean*	7386.000-7149.000=237.000
σ	0.000
min	7386.000-7149.000=237.000
max	7386.000-7149.000=237.000

*mean*	1048.030-5277.361=-4229.332
σ	199.087-594.570=-395.483
min	920.638-4991.534=-4070.896
max	1490.188-6697.683=-5207.495

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

*mean*	905.105
σ	0.002
min	905.102
max	905.108

*mean*	7386.000
σ	0.000
min	7386.000
max	7386.000

*mean*	391.510
σ	7.462
min	379.071
max	405.699

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*	476.875-477.000=-0.125
σ	0.354-0.000=0.354
min	476.000-477.000=-1.000
max	477.000

*mean*	386.309-362.827=23.482
σ	25.849-35.619=-9.771
min	360.969-291.720=69.249
max	426.852-394.130=32.722

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*	564.750-562.000=2.750
σ	3.536-0.000=3.536
min	556.000-562.000=-6.000
max	566.000-562.000=4.000

*mean*	712.753-739.148=-26.395
σ	83.392-76.360=7.032
min	582.426-584.521=-2.095
max	814.817-805.016=9.801

Marine Hull: transactPolicy

Factor

allocated MiB

peak allocated MiB

time

datapoints=1

iterations=20

*mean*	963.972-1024.300=-60.328
σ	1.820-0.759=1.061
min	963.264-1023.827=-60.563
max	971.668-1027.437=-55.769

*mean*	1043.950-1042.450=1.500
σ	309.546-300.010=9.536
min	584.000-556.000=28.000
max	1500.000-1463.000=37.000

*mean*	1.239-1.541=-0.303
σ	0.062-0.060=0.002
min	1.173-1.472=-0.299
max	1.411-1.697=-0.286

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*	0.290-0.309=-0.018
σ	0.292-0.291=0.001
min	0.135-0.151=-0.015
max	0.808-0.826=-0.018

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*	0.469-0.480=-0.012
σ	0.324-0.319=0.006
min	0.314-0.326=-0.013
max	1.048-1.050=-0.002

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*	0.206-0.221=-0.015
σ	0.027-0.021=0.006
min	0.188-0.206=-0.017
max	0.253-0.257=-0.003

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*	0.327-0.331=-0.005
σ	0.015-0.016=-0.001
min	0.315-0.320=-0.004
max	0.352-0.358=-0.006

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*	431.400-436.600=-5.200
σ	0.894-6.066=-5.172
min	431.000
max	433.000-443.000=-10.000

*mean*	0.571-0.524=0.047
σ	0.036-0.050=-0.013
min	0.519-0.470=0.050
max	0.607-0.602=0.006

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*	439.000-443.000=-4.000
σ	0.000
min	439.000-443.000=-4.000
max	439.000-443.000=-4.000

*mean*	0.441-0.498=-0.057
σ	0.054-0.020=0.034
min	0.378-0.477=-0.099
max	0.522-0.520=0.003

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*	439.000-443.000=-4.000
σ	0.000
min	439.000-443.000=-4.000
max	439.000-443.000=-4.000

*mean*	2.620-2.618=0.001
σ	0.095-0.086=0.008
min	2.424-2.445=-0.021
max	2.910-2.936=-0.026

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*	439.000-443.000=-4.000
σ	0.000
min	439.000-443.000=-4.000
max	439.000-443.000=-4.000

*mean*	2.574-2.549=0.025
σ	0.074-0.062=0.012
min	2.427-2.418=0.008
max	2.867-2.797=0.069

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*	439.000-443.000=-4.000
σ	0.000
min	439.000-443.000=-4.000
max	439.000-443.000=-4.000

*mean*	0.303-0.308=-0.005
σ	0.008-0.017=-0.008
min	0.288-0.291=-0.004
max	0.355-0.417=-0.062

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*	439.000-443.000=-4.000
σ	0.000
min	439.000-443.000=-4.000
max	439.000-443.000=-4.000

*mean*	0.290-0.295=-0.005
σ	0.007-0.007=0.000
min	0.278-0.281=-0.003
max	0.326-0.339=-0.013

Revision Creation

Factor

allocated MiB

peak allocated MiB

time_s

number of threads=8

revision count=1000

*mean*	11.621
σ	10.889
min	0.574
max	77.630

*mean*	466.441
σ	18.992
min	408.000
max	483.000

*mean*	0.027
σ	0.027
min	0.001
max	0.191

SoV import

Factor

allocated MiB

peak allocated MiB

time_s

iters=10

rows=1000

*mean*	278.677-298.692=-20.015
σ	1.114-1.038=0.077
min	278.187-298.327=-20.140
max	281.828-301.644=-19.816

*mean*	445.100-441.800=3.300
σ	17.760-16.322=1.439
min	415.000-417.000=-2.000
max	466.000-468.000=-2.000

*mean*	0.574-0.593=-0.019
σ	0.021-0.035=-0.014
min	0.536-0.527=0.010
max	0.610-0.638=-0.028

Timed compile per phase

Factor

allocated MiB

peak allocated MiB

time (ms)

phase=buildDeclTree

*mean*	173.738-236.678=-62.940
σ	0.000-0.000=-0.000
min	173.738-236.678=-62.940
max	173.738-236.678=-62.940

*mean*	842.500-1064.875=-222.375
σ	0.535-34.295=-33.760
min	842.000-980.000=-138.000
max	843.000-1077.000=-234.000

*mean*	239.566-203.855=35.710
σ	15.086-2.968=12.118
min	216.319-200.425=15.894
max	251.899-208.466=43.433

phase=macro expansion

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

*mean*	842.375-1064.875=-222.500
σ	0.518-34.295=-33.777
min	842.000-980.000=-138.000
max	843.000-1077.000=-234.000

*mean*	9.524-10.048=-0.524
σ	0.132-2.531=-2.399
min	9.356-6.558=2.798
max	9.728-12.812=-3.084

phase=parser

*mean*	1042.435-1042.366=0.069
σ	0.000-0.001=-0.001
min	1042.435-1042.363=0.072
max	1042.435-1042.366=0.069

*mean*	842.375-1064.875=-222.500
σ	0.518-34.295=-33.777
min	842.000-980.000=-138.000
max	843.000-1077.000=-234.000

*mean*	598.325-577.633=20.692
σ	7.137-125.907=-118.771
min	588.791-403.653=185.138
max	608.362-720.663=-112.301

phase=processProdDef

*mean*	2243.976-4850.765=-2606.788
σ	0.000-0.000=-0.000
min	2243.976-4850.765=-2606.788
max	2243.976-4850.765=-2606.789

*mean*	842.500-1077.000=-234.500
σ	0.535-0.000=0.535
min	842.000-1077.000=-235.000
max	843.000-1077.000=-234.000

*mean*	2608.063-4669.794=-2061.731
σ	468.800-498.763=-29.963
min	2032.189-3743.943=-1711.754
max	3212.052-5428.587=-2216.535

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*	842.375-1064.875=-222.500
σ	0.518-34.295=-33.777
min	842.000-980.000=-138.000
max	843.000-1077.000=-234.000

*mean*	40.477-37.836=2.641
σ	0.312-11.557=-11.245
min	40.056-19.908=20.149
max	41.155-47.763=-6.608

phase=type checker

*mean*	989.752-990.453=-0.702
σ	0.066-0.072=-0.006
min	989.654-990.344=-0.690
max	989.841-990.567=-0.726

*mean*	842.375-1064.875=-222.500
σ	0.518-34.295=-33.777
min	842.000-980.000=-138.000
max	843.000-1077.000=-234.000

*mean*	691.661-747.410=-55.749
σ	32.230-93.821=-61.591
min	668.733-640.420=28.313
max	764.826-882.400=-117.574

Workflow: transactPolicy

Factor

allocated MiB

peak allocated MiB

time

iters=5

new-facts=1

prior-facts=1

*mean*	282.396-293.821=-11.426
σ	0.036-0.038=-0.002
min	282.340-293.768=-11.428
max	282.427-293.860=-11.433

*mean*	441.200-443.000=-1.800
σ	1.643-0.000=1.643
min	440.000-443.000=-3.000
max	443.000

*mean*	0.377-0.393=-0.016
σ	0.002-0.000=0.001
min	0.375-0.392=-0.017
max	0.379-0.394=-0.014

iters=5

new-facts=1

prior-facts=6402

*mean*	1267.096-1320.223=-53.127
σ	0.087-0.029=0.058
min	1267.009-1320.174=-53.166
max	1267.227-1320.247=-53.020

*mean*	1088.400-1084.600=3.800
σ	174.043-179.553=-5.511
min	850.000-851.000=-1.000
max	1294.000-1309.000=-15.000

*mean*	1.888-2.239=-0.351
σ	0.109-0.038=0.071
min	1.797-2.186=-0.389
max	2.067-2.278=-0.210

iters=5

new-facts=6402

prior-facts=1

*mean*	1506.074-1560.612=-54.538
σ	2.964-6.245=-3.282
min	1504.518-1557.612=-53.094
max	1511.363-1571.779=-60.416

*mean*	614.000-620.400=-6.400
σ	77.878-83.494=-5.616
min	494.000-495.000=-1.000
max	701.000-720.000=-19.000

*mean*	2.210-2.333=-0.123
σ	0.223-0.256=-0.032
min	2.054-2.198=-0.144
max	2.598-2.790=-0.192

iters=5

new-facts=6402

prior-facts=6402

*mean*	1829.106-1882.147=-53.041
σ	0.030-0.046=-0.016
min	1829.056-1882.099=-53.043
max	1829.139-1882.221=-53.083

*mean*	1736.400-1735.200=1.200
σ	241.360-226.928=14.433
min	1428.000-1440.000=-12.000
max	2045.000-1953.000=92.000

*mean*	2.904-3.069=-0.165
σ	0.089-0.220=-0.130
min	2.797-2.862=-0.065
max	2.991-3.384=-0.394

newProductH/cdr_auton/broker

Factor

time_s

iterations=5

*mean*	1.757-1.718=0.040
σ	0.089-0.148=-0.059
min	1.645-1.469=0.176
max	1.846-1.839=0.007

policy addition benchmark

Factor

allocated MiB

db queries

peak allocated MiB

time

policies=2

*mean*	397.698-452.082=-54.384
σ	518.052-582.722=-64.670
min	138.670-160.718=-22.048
max	1174.776-1326.165=-151.389

*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*	447.000-443.000=4.000
σ	0.000
min	447.000-443.000=4.000
max	447.000-443.000=4.000

*mean*	0.499-0.536=-0.037
σ	0.531-0.527=0.004
min	0.232-0.265=-0.034
max	1.296-1.327=-0.032

policies=20

*mean*	1386.840-1607.524=-220.684
σ	0.165-0.406=-0.241
min	1386.725-1607.248=-220.523
max	1387.085-1608.124=-221.040

*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*	447.000-446.750=0.250
σ	0.000-7.500=-7.500
min	447.000-443.000=4.000
max	447.000-458.000=-11.000

*mean*	2.325-2.681=-0.356
σ	0.017-0.013=0.004
min	2.311-2.661=-0.350
max	2.349-2.691=-0.342

policies=200

*mean*	13876.893-16083.348=-2206.455
σ	0.079-0.110=-0.031
min	13876.812-16083.237=-2206.425
max	13877.002-16083.479=-2206.477

*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*	495.250-497.750=-2.500
σ	4.500-5.315=-0.815
min	490.000-492.000=-2.000
max	501.000-504.000=-3.000

*mean*	23.507-27.116=-3.609
σ	0.170-0.042=0.128
min	23.343-27.072=-3.729
max	23.738-27.172=-3.434