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*	446.883-558.633=-111.750
σ	0.000
min	446.883-558.633=-111.750
max	446.883-558.633=-111.750

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*	54.834-54.888=-0.054
σ	0.365-0.359=0.005
min	54.704-54.749=-0.044
max	55.872-55.910=-0.039

*mean*	414.000-418.000=-4.000
σ	0.000
min	414.000-418.000=-4.000
max	414.000-418.000=-4.000

*mean*	0.139-0.140=-0.001
σ	0.005-0.006=-0.001
min	0.132-0.132=-0.001
max	0.147-0.150=-0.004

cache=y

dps=1

iters=10

policies=100

*mean*	43.843-43.855=-0.012
σ	0.005-0.007=-0.002
min	43.836-43.844=-0.008
max	43.851-43.868=-0.018

*mean*	414.700-418.700=-4.000
σ	0.483
min	414.000-418.000=-4.000
max	415.000-419.000=-4.000

*mean*	0.119-0.122=-0.003
σ	0.004-0.005=-0.001
min	0.116-0.116=0.000
max	0.125-0.130=-0.005

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*	4427.000-4041.375=385.625
σ	2226.127-2007.826=218.301
min	1488.000-1217.000=271.000
max	7407.000-7145.000=262.000

*mean*	12.792-13.059=-0.266
σ	3.474-0.319=3.156
min	11.457-12.422=-0.964
max	21.388-13.576=7.811

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*	4607.375-4041.375=566.000
σ	2257.238-2007.826=249.412
min	1488.000-1217.000=271.000
max	7407.000-7145.000=262.000

*mean*	133.723-13.138=120.585
σ	341.665-0.674=340.991
min	10.871-11.645=-0.774
max	979.264-13.675=965.589

op=table_records(), no indexes

*mean*	41.948-41.929=0.018
σ	0.002-0.002=0.000
min	41.946-41.928=0.018
max	41.951-41.932=0.019

*mean*	7407.000-7145.000=262.000
σ	0.000
min	7407.000-7145.000=262.000
max	7407.000-7145.000=262.000

*mean*	10.432-14.903=-4.471
σ	0.056-0.072=-0.016
min	10.365-14.813=-4.448
max	10.521-15.004=-4.483

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*	4198.250-4041.375=156.875
σ	1953.494-2007.826=-54.332
min	1488.000-1217.000=271.000
max	7407.000-7145.000=262.000

*mean*	10.994-14.386=-3.391
σ	1.827-2.063=-0.236
min	10.215-11.125=-0.910
max	15.508-16.033=-0.525

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*	4198.250-4041.375=156.875
σ	1953.494-2007.826=-54.332
min	1488.000-1217.000=271.000
max	7407.000-7145.000=262.000

*mean*	8.527-9.943=-1.416
σ	1.269-1.766=-0.497
min	7.490-8.567=-1.077
max	11.601-13.040=-1.439

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*	4198.250-4041.375=156.875
σ	1953.494-2007.826=-54.332
min	1488.000-1217.000=271.000
max	7407.000-7145.000=262.000

*mean*	6.604-7.872=-1.268
σ	0.916-1.569=-0.653
min	6.088-6.837=-0.749
max	8.851-10.556=-1.706

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*	4607.375-4041.375=566.000
σ	2257.238-2007.826=249.412
min	1488.000-1217.000=271.000
max	7407.000-7145.000=262.000

*mean*	6.254-6.029=0.225
σ	1.218-0.206=1.013
min	5.551-5.590=-0.039
max	8.423-6.236=2.188

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*	4607.375-4041.375=566.000
σ	2257.238-2007.826=249.412
min	1488.000-1217.000=271.000
max	7407.000-7145.000=262.000

*mean*	6.028-6.008=0.020
σ	1.001-0.802=0.199
min	5.323-5.184=0.139
max	8.192-7.882=0.311

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*	7407.000-7145.000=262.000
σ	0.000
min	7407.000-7145.000=262.000
max	7407.000-7145.000=262.000

*mean*	343.729-360.890=-17.161
σ	1.918-39.924=-38.006
min	341.523-341.746=-0.222
max	347.363-459.347=-111.984

op=load_product(), with indexes

*mean*	3495.878-7917.793=-4421.915
σ	0.468-0.469=-0.001
min	3495.713-7917.624=-4421.912
max	3497.037-7918.954=-4421.917

*mean*	3771.500-3273.500=498.000
σ	2309.921-1823.031=486.890
min	720.000-810.000=-90.000
max	7407.000-5618.000=1789.000

*mean*	1788.482-3766.048=-1977.566
σ	675.496-1238.832=-563.336
min	1380.319-3087.736=-1707.417
max	2956.685-6160.871=-3204.185

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*	4041.375
σ	2007.826
min	1217.000
max	7145.000

*mean*	91.948
σ	23.093
min	71.577
max	126.058

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

*mean*	107.854
σ	0.000
min	107.854
max	107.854

*mean*	4198.250
σ	1953.494
min	1488.000
max	7407.000

*mean*	133.946
σ	18.051
min	123.981
max	177.965

op=column_set() on unindexed, dense, repeat

*mean*	62.082
σ	0.000
min	62.081
max	62.082

*mean*	4427.000
σ	2226.127
min	1488.000
max	7407.000

*mean*	190.934
σ	423.036
min	39.333
max	1237.887

op=vertical_lookup_list() on unindexed missing Int

*mean*	40.946
σ	0.002
min	40.945
max	40.950

*mean*	7145.000
σ	0.000
min	7145.000
max	7145.000

*mean*	62.102
σ	1.593
min	60.915
max	65.915

op=vertical_lookup_list() repeated on unindexed missing Int

*mean*	40.948
σ	0.002
min	40.947
max	40.951

*mean*	7407.000
σ	0.000
min	7407.000
max	7407.000

*mean*	65.355
σ	125.034
min	20.847
max	374.797

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*	7407.000-7145.000=262.000
σ	0.000
min	7407.000-7145.000=262.000
max	7407.000-7145.000=262.000

*mean*	58.503-256.153=-197.650
σ	8.875-337.621=-328.745
min	54.629-98.158=-43.529
max	80.449-1049.442=-968.993

CSV - warmup

Factor

allocated MiB

peak allocated MiB

time (ms)

op=table_records()

*mean*	4646.850-14217.171=-9570.320
σ	0.014-4.304=-4.290
min	4646.845-14215.576=-9568.731
max	4646.884-14227.820=-9580.936

*mean*	4198.250-4041.375=156.875
σ	1953.494-2007.826=-54.332
min	1488.000-1217.000=271.000
max	7407.000-7145.000=262.000

*mean*	3222.160-8167.884=-4945.724
σ	762.742-1934.155=-1171.413
min	2494.507-6033.437=-3538.930
max	4655.153-10848.284=-6193.131

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*	7407.000-7145.000=262.000
σ	0.000
min	7407.000-7145.000=262.000
max	7407.000-7145.000=262.000

*mean*	948.749-5299.521=-4350.772
σ	71.340-630.530=-559.189
min	904.898-4988.518=-4083.620
max	1094.015-6808.063=-5714.048

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

*mean*	905.105
σ	0.002
min	905.102
max	905.108

*mean*	7407.000
σ	0.000
min	7407.000
max	7407.000

*mean*	391.160
σ	6.433
min	375.721
max	395.467

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*	475.375-477.000=-1.625
σ	0.916-0.000=0.916
min	474.000-477.000=-3.000
max	476.000-477.000=-1.000

*mean*	372.067-363.022=9.045
σ	44.784-32.334=12.449
min	308.512-300.215=8.297
max	424.818-390.719=34.099

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*	561.625-562.000=-0.375
σ	1.061-0.000=1.061
min	559.000-562.000=-3.000
max	562.000

*mean*	720.949-727.360=-6.411
σ	40.973-56.799=-15.826
min	669.464-624.660=44.803
max	777.572-773.804=3.768

Marine Hull: transactPolicy

Factor

allocated MiB

peak allocated MiB

time

datapoints=1

iterations=20

*mean*	963.971-1024.299=-60.328
σ	1.820-0.760=1.061
min	963.264-1023.824=-60.560
max	971.668-1027.440=-55.772

*mean*	1049.150-1050.800=-1.650
σ	312.099-311.318=0.781
min	589.000-569.000=20.000
max	1503.000-1506.000=-3.000

*mean*	1.227-1.566=-0.339
σ	0.077-0.050=0.027
min	1.061-1.509=-0.448
max	1.445-1.695=-0.249

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*	402.000-401.000=1.000
σ	0.000
min	402.000-401.000=1.000
max	402.000-401.000=1.000

*mean*	0.302-0.431=-0.129
σ	0.290-0.455=-0.165
min	0.146-0.160=-0.014
max	0.816-1.243=-0.427

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*	402.000-401.000=1.000
σ	0.000
min	402.000-401.000=1.000
max	402.000-401.000=1.000

*mean*	0.470-0.742=-0.273
σ	0.315-0.300=0.015
min	0.318-0.587=-0.269
max	1.034-1.279=-0.245

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*	402.000-401.000=1.000
σ	0.000
min	402.000-401.000=1.000
max	402.000-401.000=1.000

*mean*	0.219-0.384=-0.165
σ	0.021-0.035=-0.014
min	0.202-0.356=-0.154
max	0.255-0.443=-0.188

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*	402.000-401.000=1.000
σ	0.000
min	402.000-401.000=1.000
max	402.000-401.000=1.000

*mean*	0.339-0.599=-0.260
σ	0.019-0.025=-0.006
min	0.324-0.580=-0.256
max	0.371-0.641=-0.271

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*	431.000-435.000=-4.000
σ	0.000-2.236=-2.236
min	431.000
max	431.000-436.000=-5.000

*mean*	0.507-0.609=-0.102
σ	0.044-0.083=-0.039
min	0.442-0.540=-0.098
max	0.547-0.751=-0.203

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*	0.471-0.490=-0.019
σ	0.040-0.031=0.009
min	0.426-0.435=-0.009
max	0.516-0.507=0.009

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*	2.003-2.608=-0.605
σ	0.091-0.072=0.018
min	1.866-2.468=-0.602
max	2.523-2.845=-0.322

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*	1.989-2.560=-0.571
σ	0.078-0.071=0.007
min	1.800-2.454=-0.654
max	2.191-2.819=-0.628

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*	0.306-0.307=-0.001
σ	0.032-0.031=0.000
min	0.284-0.291=-0.007
max	0.595-0.608=-0.013

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*	0.285-0.298=-0.013
σ	0.008-0.054=-0.046
min	0.272-0.276=-0.004
max	0.330-0.820=-0.489

Revision Creation

Factor

allocated MiB

peak allocated MiB

time_s

number of threads=8

revision count=1000

*mean*	11.313
σ	11.523
min	0.573
max	106.145

*mean*	451.193
σ	15.679
min	409.000
max	466.000

*mean*	0.026
σ	0.028
min	0.001
max	0.252

SoV import

Factor

allocated MiB

peak allocated MiB

time_s

iters=10

rows=1000

*mean*	278.549-298.842=-20.293
σ	1.032-0.992=0.040
min	278.106-298.403=-20.297
max	281.477-301.658=-20.181

*mean*	447.000-440.700=6.300
σ	19.596-13.647=5.949
min	417.000
max	475.000-462.000=13.000

*mean*	0.574-0.591=-0.018
σ	0.028-0.030=-0.002
min	0.506-0.552=-0.045
max	0.619-0.640=-0.021

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	173.738-236.681=-62.943

*mean*	839.000-1064.125=-225.125
σ	0.000-33.588=-33.588
min	839.000-981.000=-142.000
max	839.000-1076.000=-237.000

*mean*	238.394-210.304=28.090
σ	21.268-5.337=15.931
min	200.106-201.670=-1.564
max	258.653-218.631=40.022

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*	839.000-1064.125=-225.125
σ	0.000-33.588=-33.588
min	839.000-981.000=-142.000
max	839.000-1076.000=-237.000

*mean*	9.219-9.057=0.161
σ	0.772-2.416=-1.645
min	7.323-6.304=1.019
max	9.604-12.918=-3.314

phase=parser

*mean*	1042.433-1042.362=0.071
σ	0.000-0.000=0.000
min	1042.432-1042.361=0.071
max	1042.433-1042.362=0.071

*mean*	839.000-1064.125=-225.125
σ	0.000-33.588=-33.588
min	839.000-981.000=-142.000
max	839.000-1076.000=-237.000

*mean*	570.403-576.963=-6.560
σ	58.322-82.709=-24.386
min	426.382-508.530=-82.148
max	597.182-758.428=-161.246

phase=processProdDef

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

*mean*	839.000-1076.000=-237.000
σ	0.000
min	839.000-1076.000=-237.000
max	839.000-1076.000=-237.000

*mean*	2696.936-4891.798=-2194.861
σ	189.427-662.242=-472.815
min	2317.752-3479.540=-1161.788
max	3002.696-5471.851=-2469.155

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*	839.000-1064.125=-225.125
σ	0.000-33.588=-33.588
min	839.000-981.000=-142.000
max	839.000-1076.000=-237.000

*mean*	38.607-33.639=4.968
σ	4.863-11.223=-6.360
min	26.669-20.817=5.852
max	41.211-49.029=-7.818

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*	839.000-1064.125=-225.125
σ	0.000-33.588=-33.588
min	839.000-981.000=-142.000
max	839.000-1076.000=-237.000

*mean*	670.595-752.438=-81.843
σ	8.234-135.529=-127.295
min	650.962-639.583=11.379
max	675.993-1018.030=-342.037

Workflow: transactPolicy

Factor

allocated MiB

peak allocated MiB

time

iters=5

new-facts=1

prior-facts=1

*mean*	282.390-293.822=-11.432
σ	0.035-0.038=-0.003
min	282.340-293.769=-11.430
max	282.427-293.861=-11.435

*mean*	444.400-440.800=3.600
σ	0.548-1.095=-0.548
min	444.000-440.000=4.000
max	445.000-442.000=3.000

*mean*	0.379-0.392=-0.012
σ	0.006-0.002=0.004
min	0.376-0.388=-0.012
max	0.390-0.394=-0.004

iters=5

new-facts=1

prior-facts=6402

*mean*	1267.095-1320.220=-53.125
σ	0.122-0.034=0.088
min	1267.002-1320.170=-53.168
max	1267.306-1320.250=-52.944

*mean*	1114.000-1083.400=30.600
σ	170.181-170.866=-0.686
min	897.000-879.000=18.000
max	1325.000-1313.000=12.000

*mean*	1.898-2.255=-0.356
σ	0.109-0.158=-0.049
min	1.777-2.094=-0.317
max	2.054-2.517=-0.463

iters=5

new-facts=6402

prior-facts=1

*mean*	1506.085-1560.595=-54.510
σ	2.945-6.197=-3.252
min	1504.560-1557.634=-53.075
max	1511.341-1571.677=-60.336

*mean*	625.600-611.400=14.200
σ	86.875-94.466=-7.591
min	496.000-497.000=-1.000
max	727.000-734.000=-7.000

*mean*	2.209-2.226=-0.017
σ	0.157-0.062=0.094
min	2.120-2.160=-0.040
max	2.487-2.312=0.175

iters=5

new-facts=6402

prior-facts=6402

*mean*	1829.115-1882.168=-53.053
σ	0.077-0.059=0.018
min	1829.025-1882.099=-53.073
max	1829.232-1882.242=-53.011

*mean*	1755.600-1734.800=20.800
σ	210.681-180.931=29.749
min	1474.000-1463.000=11.000
max	1955.000-1889.000=66.000

*mean*	3.166-3.004=0.162
σ	0.327-0.111=0.216
min	2.837-2.921=-0.084
max	3.538-3.196=0.343

newProductH/cdr_auton/broker

Factor

time_s

iterations=5

*mean*	1.693-1.755=-0.062
σ	0.113-0.097=0.017
min	1.522-1.626=-0.104
max	1.801-1.842=-0.041

policy addition benchmark

Factor

allocated MiB

db queries

peak allocated MiB

time

policies=2

*mean*	397.699-452.084=-54.385
σ	518.052-582.724=-64.673
min	138.670-160.717=-22.046
max	1174.776-1326.170=-151.394

*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*	447.000-441.000=6.000
σ	0.000
min	447.000-441.000=6.000
max	447.000-441.000=6.000

*mean*	0.497-0.539=-0.042
σ	0.518-0.531=-0.013
min	0.234-0.273=-0.039
max	1.274-1.336=-0.062

policies=20

*mean*	1386.841-1607.529=-220.688
σ	0.163-0.423=-0.259
min	1386.731-1607.255=-220.524
max	1387.084-1608.159=-221.075

*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*	447.000-444.000=3.000
σ	0.000-3.464=-3.464
min	447.000-441.000=6.000
max	447.000

*mean*	2.319-2.688=-0.369
σ	0.006-0.021=-0.015
min	2.315-2.671=-0.356
max	2.327-2.716=-0.389

policies=200

*mean*	13876.908-16083.546=-2206.638
σ	0.090-0.115=-0.025
min	13876.794-16083.467=-2206.673
max	13877.009-16083.716=-2206.707

*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*	496.250-495.500=0.750
σ	5.560-3.317=2.244
min	491.000
max	504.000-498.000=6.000

*mean*	23.530-27.164=-3.634
σ	0.180-0.097=0.083
min	23.328-27.083=-3.755
max	23.765-27.305=-3.541