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*	446.883-447.664=-0.781
σ	0.000
min	446.883-447.664=-0.781
max	446.883-447.664=-0.781

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*	54.833-54.883=-0.049
σ	0.367-0.360=0.007
min	54.701-54.749=-0.048
max	55.877-55.905=-0.029

*mean*	417.000-416.000=1.000
σ	0.000
min	417.000-416.000=1.000
max	417.000-416.000=1.000

*mean*	0.141-0.142=-0.001
σ	0.005-0.004=0.000
min	0.137-0.137=-0.000
max	0.149-0.149=0.000

cache=y

dps=1

iters=10

policies=100

*mean*	43.843-43.852=-0.010
σ	0.005-0.007=-0.003
min	43.835-43.840=-0.005
max	43.848-43.860=-0.012

*mean*	417.000-416.000=1.000
σ	0.000
min	417.000-416.000=1.000
max	417.000-416.000=1.000

*mean*	0.120-0.132=-0.012
σ	0.005-0.009=-0.004
min	0.115-0.122=-0.007
max	0.129-0.145=-0.016

CSV - indexed operations

Factor

allocated MiB

peak allocated MiB

time (ms)

op=column_set() on indexed

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

*mean*	4428.000-4587.250=-159.250
σ	2228.137-2254.977=-26.840
min	1483.000-1487.000=-4.000
max	7409.000-7406.000=3.000

*mean*	13.003-12.872=0.132
σ	2.121-1.889=0.232
min	11.995-11.928=0.067
max	18.130-17.514=0.616

op=column_set() on indexed, repeat

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

*mean*	4608.250-4587.250=21.000
σ	2259.433-2254.977=4.456
min	1483.000-1487.000=-4.000
max	7409.000-7406.000=3.000

*mean*	148.546-13.501=135.045
σ	383.482-1.995=381.487
min	11.553-11.623=-0.070
max	1097.602-18.261=1079.341

op=table_records(), no indexes

*mean*	41.948-41.947=0.000
σ	0.002-0.002=-0.000
min	41.946-41.946=0.001
max	41.950-41.950=0.000

*mean*	7409.000-7406.000=3.000
σ	0.000
min	7409.000-7406.000=3.000
max	7409.000-7406.000=3.000

*mean*	11.031-11.184=-0.153
σ	0.157-0.114=0.043
min	10.885-10.998=-0.114
max	11.380-11.322=0.058

op=table_records(), repeat

*mean*	41.933-41.932=0.001
σ	0.000-0.000=-0.000
min	41.933-41.932=0.001
max	41.934-41.933=0.000

*mean*	4199.375-4173.375=26.000
σ	1955.752-1946.465=9.287
min	1483.000-1487.000=-4.000
max	7409.000-7406.000=3.000

*mean*	11.427-11.582=-0.154
σ	0.873-1.957=-1.084
min	10.919-10.682=0.237
max	13.564-16.418=-2.853

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

*mean*	27.655-27.653=0.002
σ	0.137-0.137=0.000
min	27.606-27.604=0.002
max	27.993-27.991=0.002

*mean*	4199.375-4173.375=26.000
σ	1955.752-1946.465=9.287
min	1483.000-1487.000=-4.000
max	7409.000-7406.000=3.000

*mean*	8.673-9.270=-0.597
σ	0.644-1.303=-0.658
min	7.963-8.480=-0.516
max	10.122-12.470=-2.348

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

*mean*	26.406-26.404=0.002
σ	0.000-0.000=0.000
min	26.406-26.404=0.002
max	26.406-26.404=0.002

*mean*	4199.375-4173.375=26.000
σ	1955.752-1946.465=9.287
min	1483.000-1487.000=-4.000
max	7409.000-7406.000=3.000

*mean*	6.689-7.339=-0.650
σ	0.544-0.865=-0.320
min	5.997-6.930=-0.933
max	7.907-9.458=-1.551

op=vertical_lookup_row_list() on 2 indexed

*mean*	25.681-25.679=0.002
σ	0.003-0.003=-0.000
min	25.680-25.678=0.002
max	25.688-25.686=0.002

*mean*	4608.250-4587.250=21.000
σ	2259.433-2254.977=4.456
min	1483.000-1487.000=-4.000
max	7409.000-7406.000=3.000

*mean*	6.584-6.219=0.366
σ	1.085-0.466=0.619
min	5.825-5.979=-0.154
max	8.977-7.357=1.619

op=vertical_lookup_row_list() on 3 (1 unindexed)

*mean*	25.984-25.982=0.002
σ	0.000-0.000=-0.000
min	25.984-25.982=0.002
max	25.985-25.983=0.002

*mean*	4608.250-4587.250=21.000
σ	2259.433-2254.977=4.456
min	1483.000-1487.000=-4.000
max	7409.000-7406.000=3.000

*mean*	6.358-6.118=0.240
σ	1.056-0.509=0.547
min	5.741-5.788=-0.047
max	8.688-7.338=1.350

CSV - loading a lazy table

Factor

allocated MiB

peak allocated MiB

time (ms)

op=load_product(), no indexes

*mean*	1021.627-1021.614=0.013
σ	0.002-0.002=-0.000
min	1021.625-1021.612=0.013
max	1021.629-1021.617=0.012

*mean*	7409.000-7406.000=3.000
σ	0.000
min	7409.000-7406.000=3.000
max	7409.000-7406.000=3.000

*mean*	345.848-362.995=-17.146
σ	1.950-42.238=-40.287
min	343.510-345.950=-2.441
max	349.140-467.490=-118.350

op=load_product(), with indexes

*mean*	3495.878-3495.866=0.013
σ	0.469-0.469=-0.000
min	3495.713-3495.700=0.013
max	3497.038-3497.026=0.012

*mean*	3772.125-3751.500=20.625
σ	2311.978-2299.593=12.385
min	720.000
max	7409.000-7406.000=3.000

*mean*	1811.878-1623.795=188.083
σ	684.846-573.782=111.065
min	1410.050-1393.539=16.511
max	3006.750-3035.707=-28.957

CSV - unindexed operations

Factor

allocated MiB

peak allocated MiB

time (ms)

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

*mean*	107.854-107.853=0.001
σ	0.000-0.000=-0.000
min	107.853-107.852=0.001
max	107.854-107.853=0.001

*mean*	4199.375-4408.000=-208.625
σ	1955.752-2226.234=-270.482
min	1483.000-1487.000=-4.000
max	7409.000-7406.000=3.000

*mean*	133.992-189.750=-55.758
σ	8.171-147.103=-138.933
min	128.920-126.426=2.494
max	153.234-551.116=-397.881

op=column_set() on unindexed, dense, repeat

*mean*	62.082-62.081=0.001
σ	0.000-0.001=-0.001
min	62.081-62.080=0.001
max	62.082-62.084=-0.002

*mean*	4428.000-4587.250=-159.250
σ	2228.137-2254.977=-26.840
min	1483.000-1487.000=-4.000
max	7409.000-7406.000=3.000

*mean*	167.450-194.190=-26.741
σ	350.483-425.025=-74.542
min	42.303-41.317=0.986
max	1034.848-1246.064=-211.216

op=vertical_lookup_list() repeated on unindexed missing Int

*mean*	40.948-40.946=0.002
σ	0.002-0.002=-0.000
min	40.947-40.945=0.002
max	40.951-40.949=0.002

*mean*	7409.000-7406.000=3.000
σ	0.000
min	7409.000-7406.000=3.000
max	7409.000-7406.000=3.000

*mean*	132.220-22.567=109.653
σ	311.389-1.989=309.400
min	21.386-21.509=-0.122
max	902.863-27.443=875.420

op=vertical_lookup_row_list() on unindexed small unique Int

*mean*	71.308-71.307=0.001
σ	0.002-0.002=0.000
min	71.307-71.305=0.001
max	71.311-71.309=0.001

*mean*	7409.000-7406.000=3.000
σ	0.000
min	7409.000-7406.000=3.000
max	7409.000-7406.000=3.000

*mean*	57.958-312.315=-254.357
σ	5.708-722.355=-716.648
min	55.524-55.415=0.108
max	72.036-2100.049=-2028.013

CSV - warmup

Factor

allocated MiB

peak allocated MiB

time (ms)

op=table_records()

*mean*	4646.851-4646.849=0.002
σ	0.014-0.014=-0.000
min	4646.845-4646.844=0.001
max	4646.884-4646.883=0.002

*mean*	4199.375-4173.375=26.000
σ	1955.752-1946.465=9.287
min	1483.000-1487.000=-4.000
max	7409.000-7406.000=3.000

*mean*	3343.178-3139.656=203.522
σ	811.501-839.053=-27.552
min	2495.697-2515.774=-20.077
max	4766.863-4733.233=33.630

op=vertical_lookup_list() on indexed

*mean*	1973.851-1973.849=0.002
σ	0.002-0.002=-0.000
min	1973.849-1973.847=0.003
max	1973.853-1973.851=0.002

*mean*	7409.000-7406.000=3.000
σ	0.000
min	7409.000-7406.000=3.000
max	7409.000-7406.000=3.000

*mean*	1026.515-1074.162=-47.646
σ	202.719-245.877=-43.158
min	927.892-932.718=-4.826
max	1514.941-1645.804=-130.863

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

*mean*	905.105-905.103=0.002
σ	0.002
min	905.102-905.101=0.002
max	905.108-905.106=0.002

*mean*	7409.000-7406.000=3.000
σ	0.000
min	7409.000-7406.000=3.000
max	7409.000-7406.000=3.000

*mean*	408.179-402.775=5.403
σ	42.580-42.325=0.255
min	382.234-381.220=1.014
max	512.949-507.121=5.828

CSV internal benchmark: pointedIndexFromKvs

Factor

allocated MiB

peak allocated MiB

time (ms)

op=pointedIndexFromKvs

rows=200000

*mean*	148.144
σ	0.001
min	148.144
max	148.148

*mean*	476.375-476.500=-0.125
σ	0.916-0.535=0.382
min	475.000-476.000=-1.000
max	477.000

*mean*	371.304-358.558=12.746
σ	38.202-43.833=-5.631
min	309.505-314.627=-5.122
max	428.291-416.901=11.390

op=pointedIndexFromKvs

rows=400000

*mean*	308.493
σ	0.001
min	308.493
max	308.497

*mean*	563.000-562.750=0.250
σ	0.000-3.105=-3.105
min	563.000-559.000=4.000
max	563.000-565.000=-2.000

*mean*	780.400-787.220=-6.819
σ	44.779-70.954=-26.175
min	702.368-630.055=72.313
max	860.490-843.167=17.323

Marine Hull: transactPolicy

Factor

allocated MiB

peak allocated MiB

time

datapoints=1

iterations=20

*mean*	963.972-1024.566=-60.594
σ	1.820-0.759=1.061
min	963.265-1024.095=-60.831
max	971.668-1027.704=-56.036

*mean*	1031.000-1054.700=-23.700
σ	300.946-317.900=-16.953
min	551.000-592.000=-41.000
max	1458.000-1528.000=-70.000

*mean*	1.243-1.388=-0.145
σ	0.092-0.077=0.014
min	1.178-1.244=-0.066
max	1.582-1.590=-0.008

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*	0.396-0.405=-0.009
σ	0.503-0.509=-0.006
min	0.144-0.144=0.000
max	1.294-1.313=-0.019

name=error_case.art

*mean*	2.340-2.340=-0.000
σ	0.012
min	2.334-2.334=-0.000
max	2.362-2.362=-0.000

*mean*	402.000
σ	0.000
min	402.000
max	402.000

*mean*	0.483-0.478=0.004
σ	0.323-0.323=0.001
min	0.330-0.320=0.010
max	1.060-1.055=0.005

name=heavy_item.art

*mean*	1.523-1.523=-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*	0.220-0.220=-0.000
σ	0.023-0.023=0.001
min	0.206-0.206=-0.000
max	0.261-0.260=0.001

name=nested_use.art

*mean*	2.358-2.358=-0.000
σ	0.002
min	2.357-2.357=-0.000
max	2.361-2.361=-0.000

*mean*	402.000
σ	0.000
min	402.000
max	402.000

*mean*	0.336-0.336=-0.001
σ	0.021-0.016=0.004
min	0.322-0.319=0.003
max	0.372-0.362=0.010

Parser: Real World

Factor

allocated MiB

peak allocated MiB

time (sec)

name=aon_gpf25_7k_loc.art

*mean*	964.971-965.024=-0.053
σ	0.011
min	964.965-965.018=-0.053
max	964.989-965.042=-0.053

*mean*	431.000
σ	0.000
min	431.000
max	431.000

*mean*	0.538-0.546=-0.008
σ	0.067-0.071=-0.005
min	0.464-0.438=0.025
max	0.604-0.600=0.004

name=cdr_enhanced_4k_loc.art

*mean*	885.898-885.928=-0.029
σ	0.002
min	885.897-885.926=-0.029
max	885.901-885.930=-0.029

*mean*	431.000
σ	0.000
min	431.000
max	431.000

*mean*	0.492-0.500=-0.008
σ	0.047-0.029=0.018
min	0.431-0.450=-0.018
max	0.536-0.523=0.013

Parser: Record Parsing

Factor

allocated MiB

peak allocated MiB

time (ms)

name=record_render_large_success.art

*mean*	7.710-7.710=-0.000
σ	0.002
min	7.709-7.709=-0.000
max	7.713-7.713=-0.000

*mean*	431.000
σ	0.000
min	431.000
max	431.000

*mean*	2.575-2.649=-0.074
σ	0.091-0.102=-0.011
min	2.434-2.462=-0.027
max	2.880-2.951=-0.072

name=record_render_large_syntax_err.art

*mean*	7.658-7.658=-0.000
σ	0.002
min	7.657-7.657=-0.000
max	7.661-7.661=-0.000

*mean*	431.000
σ	0.000
min	431.000
max	431.000

*mean*	2.579-2.604=-0.025
σ	0.081-0.085=-0.004
min	2.461-2.465=-0.005
max	2.914-3.005=-0.091

name=record_render_success.art

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

*mean*	431.000
σ	0.000
min	431.000
max	431.000

*mean*	0.304-0.303=0.002
σ	0.008-0.013=-0.005
min	0.289-0.287=0.002
max	0.349-0.384=-0.034

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
σ	0.000
min	431.000
max	431.000

*mean*	0.299-0.291=0.009
σ	0.045-0.007=0.038
min	0.281-0.275=0.005
max	0.739-0.321=0.418

Revision Creation

Factor

allocated MiB

peak allocated MiB

time_s

number of threads=8

revision count=1000

*mean*	10.826-11.579=-0.753
σ	10.960-10.987=-0.027
min	0.574-0.574=-0.000
max	102.989-82.426=20.563

*mean*	462.476-458.338=4.138
σ	17.723-17.149=0.574
min	408.000
max	477.000-473.000=4.000

*mean*	0.025-0.027=-0.001
σ	0.027-0.027=0.000
min	0.001-0.001=-0.000
max	0.246-0.199=0.046

SoV import

Factor

allocated MiB

peak allocated MiB

time_s

iters=10

rows=1000

*mean*	278.728-298.686=-19.958
σ	1.078-1.029=0.048
min	278.301-298.276=-19.975
max	281.789-301.614=-19.825

*mean*	442.400-438.700=3.700
σ	17.270-15.420=1.850
min	417.000
max	469.000-465.000=4.000

*mean*	0.575-0.601=-0.026
σ	0.019-0.025=-0.006
min	0.535-0.567=-0.033
max	0.599-0.664=-0.065

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*	840.000-976.000=-136.000
σ	0.000
min	840.000-976.000=-136.000
max	840.000-976.000=-136.000

*mean*	214.371-212.080=2.291
σ	27.972-3.599=24.372
min	176.972-206.467=-29.494
max	259.090-217.144=41.945

phase=macro expansion

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

*mean*	840.000-976.000=-136.000
σ	0.000
min	840.000-976.000=-136.000
max	840.000-976.000=-136.000

*mean*	9.035-10.042=-1.008
σ	0.981-3.949=-2.968
min	7.392-6.304=1.088
max	9.652-15.223=-5.571

phase=parser

*mean*	1042.435-1042.454=-0.019
σ	0.000-0.000=-0.000
min	1042.434-1042.453=-0.019
max	1042.435-1042.454=-0.019

*mean*	840.000-976.000=-136.000
σ	0.000
min	840.000-976.000=-136.000
max	840.000-976.000=-136.000

*mean*	550.894-587.620=-36.727
σ	79.486-226.482=-146.996
min	420.247-375.432=44.815
max	598.587-843.874=-245.287

phase=processProdDef

*mean*	2243.975-2232.169=11.806
σ	0.000
min	2243.975-2232.169=11.806
max	2243.975-2232.169=11.806

*mean*	840.000-976.000=-136.000
σ	0.000
min	840.000-976.000=-136.000
max	840.000-976.000=-136.000

*mean*	2643.163-2575.215=67.949
σ	311.310-439.594=-128.284
min	2113.159-1918.667=194.492
max	3026.649-3052.894=-26.245

phase=renaming

*mean*	21.675-21.671=0.003
σ	0.000
min	21.675-21.671=0.003
max	21.675-21.671=0.003

*mean*	840.000-976.000=-136.000
σ	0.000
min	840.000-976.000=-136.000
max	840.000-976.000=-136.000

*mean*	37.077-44.782=-7.705
σ	6.133-8.871=-2.738
min	26.797-36.432=-9.636
max	41.197-55.402=-14.205

phase=type checker

*mean*	989.752-990.454=-0.702
σ	0.066-0.071=-0.005
min	989.654-990.348=-0.694
max	989.841-990.567=-0.726

*mean*	840.000-976.000=-136.000
σ	0.000
min	840.000-976.000=-136.000
max	840.000-976.000=-136.000

*mean*	676.168-788.617=-112.449
σ	19.710-69.899=-50.190
min	647.757-692.525=-44.768
max	704.744-924.974=-220.230

Workflow: transactPolicy

Factor

allocated MiB

peak allocated MiB

time

iters=5

new-facts=1

prior-facts=1

*mean*	282.395-293.821=-11.426
σ	0.034-0.038=-0.004
min	282.342-293.767=-11.425
max	282.426-293.860=-11.433

*mean*	444.000-443.000=1.000
σ	0.000-3.000=-3.000
min	444.000-440.000=4.000
max	444.000-447.000=-3.000

*mean*	0.383-0.397=-0.014
σ	0.007-0.007=0.000
min	0.376-0.391=-0.015
max	0.390-0.405=-0.014

iters=5

new-facts=1

prior-facts=6402

*mean*	1267.081-1320.287=-53.206
σ	0.098-0.141=-0.043
min	1267.002-1320.164=-53.162
max	1267.247-1320.524=-53.277

*mean*	1115.600-1115.400=0.200
σ	170.497-169.549=0.948
min	900.000-899.000=1.000
max	1334.000-1326.000=8.000

*mean*	1.934-1.954=-0.020
σ	0.105-0.036=0.068
min	1.847-1.912=-0.066
max	2.112-1.988=0.125

iters=5

new-facts=6402

prior-facts=1

*mean*	1506.118-1559.281=-53.164
σ	2.920-2.960=-0.040
min	1504.646-1557.694=-53.049
max	1511.333-1564.560=-53.227

*mean*	630.600-639.800=-9.200
σ	90.558-74.590=15.968
min	507.000-541.000=-34.000
max	731.000-729.000=2.000

*mean*	2.299-2.309=-0.010
σ	0.194-0.227=-0.033
min	2.095-2.053=0.042
max	2.517-2.538=-0.021

iters=5

new-facts=6402

prior-facts=6402

*mean*	1829.123-1882.359=-53.237
σ	0.085-0.084=0.001
min	1829.029-1882.261=-53.232
max	1829.250-1882.464=-53.214

*mean*	1768.200-1753.000=15.200
σ	210.724-213.367=-2.643
min	1491.000-1465.000=26.000
max	1968.000-1954.000=14.000

*mean*	3.211-3.194=0.017
σ	0.343-0.300=0.044
min	2.831-2.888=-0.057
max	3.578-3.554=0.025

newProductH/cdr_auton/broker

Factor

time_s

iterations=5

*mean*	1.635-1.675=-0.040
σ	0.167-0.078=0.088
min	1.495-1.591=-0.096
max	1.843-1.795=0.048

policy addition benchmark

Factor

allocated MiB

db queries

peak allocated MiB

time

policies=2

*mean*	397.698-416.908=-19.210
σ	518.052-512.374=5.678
min	138.669-160.716=-22.046
max	1174.776-1185.469=-10.694

*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*	444.000-446.000=-2.000
σ	0.000
min	444.000-446.000=-2.000
max	444.000-446.000=-2.000

*mean*	0.495-0.517=-0.021
σ	0.513-0.506=0.006
min	0.236-0.257=-0.021
max	1.264-1.276=-0.012

policies=20

*mean*	1386.839-1607.506=-220.668
σ	0.166-0.364=-0.198
min	1386.719-1607.254=-220.535
max	1387.084-1608.044=-220.960

*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*	449.000
σ	5.774-2.000=3.774
min	444.000-446.000=-2.000
max	454.000-450.000=4.000

*mean*	2.331-2.616=-0.285
σ	0.013-0.021=-0.008
min	2.314-2.592=-0.278
max	2.344-2.635=-0.291

policies=200

*mean*	13876.945-16083.511=-2206.566
σ	0.132-0.064=0.068
min	13876.808-16083.437=-2206.629
max	13877.121-16083.585=-2206.464

*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*	493.500-499.250=-5.750
σ	3.873-4.646=-0.773
min	489.000-493.000=-4.000
max	498.000-504.000=-6.000

*mean*	23.617-26.328=-2.712
σ	0.157-0.183=-0.027
min	23.480-26.187=-2.707
max	23.794-26.597=-2.803