descrepency for duration in routing and table APIs

[DMadhuranga]

Issue

With the table API I am getting 176.5 as the duration, but for the same coordinates I am getting 179.1 with routing API.

Steps to reproduce

Please provide the steps required to reproduce your problem.

• osrm-backend version being used

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"Comment": "buildkit.dockerfile.v0",
"Created": "2022-10-14T20:33:31.210428447Z",
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"Architecture": "amd64",
"Os": "linux",
"Size": 147975064,
"VirtualSize": 147975064,
"GraphDriver": {
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"RootFS": {
"Type": "layers",
"Layers": [
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• OSM extract that was processed

https://download.geofabrik.de/north-america/us/north-carolina-latest.osm.pbf

• Processing commands (e.g. CH vs MLD processing)
• Server queries

URL: "http://127.0.0.1:50000/table/v1/driving/-77.953735352,35.73978805;-77.949401855,35.734138489?sources=0&destinations=1"
{'code': 'Ok',
'destinations': [{'hint': '23shgNx7IYAgAAAACgAAAAAAAAAAAAAAzyZcQVGBcUAAAAAAAAAAACAAAAAKAAAAAAAAAAAAAAA_AgAAJ5Za-3pCIQImllr7ekIhAgAATwuLFyTA',
'distance': 0.09047568,
'name': '',
'location': [-77.949401, 35.734138]}],
'durations': [[176.5]],
'sources': [{'hint': 'V3ghgFx4IYAsAAAABQAAAAAAAAAAAAAAmMCTQY9eBUAAAAAAAAAAACwAAAAFAAAAAAAAAAAAAAA_AgAAOYVa-41YIQI5hVr7jFghAgAADxGLFyTA',
'distance': 0.110953911,
'name': '',
'location': [-77.953735, 35.739789]}]}

URL: "http://127.0.0.1:50000/route/v1/driving/-77.953735352,35.73978805;-77.949401855,35.734138489"

{'code': 'Ok',
'routes': [{'geometry': 'ulcyEzixzMHeIdPRpDwLpCpA|@rA`@g@?yFtC@',
'legs': [{'steps': [],
'summary': '',
'weight': 212.6,
'duration': 179.1,
'distance': 1037.6}],
'weight_name': 'routability',
'weight': 212.6,
'duration': 179.1,
'distance': 1037.6}],
'waypoints': [{'hint': 'V3ghgFx4IYAsAAAABQAAAAAAAAAAAAAAmMCTQY9eBUAAAAAAAAAAACwAAAAFAAAAAAAAAAAAAAA_AgAAOYVa-41YIQI5hVr7jFghAgAADxGLFyTA',
'distance': 0.110953911,
'name': '',
'location': [-77.953735, 35.739789]},
{'hint': '23shgNx7IYAgAAAACgAAAAAAAAAAAAAAzyZcQVGBcUAAAAAAAAAAACAAAAAKAAAAAAAAAAAAAAA_AgAAJ5Za-3pCIQImllr7ekIhAgAATwuLFyTA',
'distance': 0.09047568,
'name': '',
'location': [-77.949401, 35.734138]}]}

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Specifications

Please provide details of your development environment.

• Library/dependency versions
• Operating system
• Hardware

[DMadhuranga]

This is also present in the latest one (v6.0.0)