Migrate size copies to vecmem async copies

[stephenswat]

This commit replaces the last remaining device-to-host copies into unpinned memory in our main tracking pipeline. It also replaces previous uses of traccc::cuda::get_size with the same mechanism.

[stephenswat]

Peformance before at $\langle\mu\rangle=140$ (12 streams, RTX A5000):

Event processing  6.93284 ms/event, 144.241 events/s

And after:

Event processing  6.28273 ms/event, 159.166 events/s

[stephenswat]

Closes #1223.

[krasznaa]

It will interfere a bit with my "seeding harmonization" branch, but we could go for it in the meanwhile.

I'll open a PR later today with that code of mine. Which gets rid of the seed_finding and spacepoint_binning sub-tools in all languages. So maybe we hold off on this for a bit, and then see how to best combine the two PRs? (I did not touch the CFK or the parameter estimation code yet.)

[stephenswat]

It will interfere a bit with my "seeding harmonization" branch, but we could go for it in the meanwhile.

Removed the changes to files affected by your new PR.

[stephenswat]

Physics performance summary

Here is a summary of the physics performance effects of this PR. Command used:

traccc_seeding_example_cuda --input-directory=/data/Acts/odd-simulations-20240506/geant4_ttbar_mu200 --digitization-file=geometries/odd/odd-digi-geometric-config.json --detector-file=geometries/odd/odd-detray_geometry_detray.json --grid-file=geometries/odd/odd-detray_surface_grids_detray.json --material-file=geometries/odd/odd-detray_material_detray.json --input-events=10 --use-acts-geom-source=on --check-performance --truth-finding-min-track-candidates=5 --truth-finding-min-pt=1.0 --truth-finding-min-z=-150 --truth-finding-max-z=150 --truth-finding-max-r=10 --seed-matching-ratio=0.99 --track-matching-ratio=0.5 --track-candidates-range=5:100 --seedfinder-vertex-range=-150:150

Seeding performance

Total number of seeds went from 298342 to 298342 (+0.0%)

Seeding plots

Track finding performance

Total number of found tracks went from 50191 to 50193 (+0.0%)

Finding plots

Track fitting performance

Fitting plots

Seeding to track finding relative performance

Seeding to track finding plots

Note

This is an automated message produced on the explicit request of a human being.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[krasznaa]

👍