fix-19581 - Branch - PrefectHQ/prefect

Fix performance issues with sync tasks on Windows

#19595

Comparing

fix-19581

(

f3d2f4e

) with

main

(

26aa8c6

)

Untouched: 2

Ignored: 6

Benchmarks

Passed

bench_import_prefect_flow

benches/bench_import.py

1.4 s1.4 s

bench_task_decorator

benches/bench_tasks.py

459.5 µs460 µs

Ignored

bench_flow_decorator

benches/bench_flows.py

Ignored

-4%

5.9 ms6.1 ms

bench_task_submit

benches/bench_tasks.py

Ignored

-47%

5.4 ms10.2 ms

bench_flow_call[options1]

benches/bench_flows.py

Ignored

107.4 ms107.7 ms

bench_task_call

benches/bench_tasks.py

Ignored

×4.7

161.7 ms34.6 ms

bench_import_prefect

benches/bench_import.py

Ignored

1.1 s1.1 s

bench_flow_call[options0]

benches/bench_flows.py

Ignored

+4%

173.1 ms166.1 ms

Commits

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Base

main

26aa8c6

-0.01%

Fix performance issues with sync tasks on Windows Removes use of `run_coro_as_sync` in the sync task engine because the underlying locking is a performance bottleneck on Windows.

f3d2f4e

4 hours ago

by desertaxle

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