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Modify run_batch_async #6387

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Merged
merged 16 commits into from
Dec 20, 2023
Merged

Modify run_batch_async #6387

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eb10318
Created using Colaboratory
senecameeks Nov 27, 2023
21f6d1c
Merge branch 'quantumlib:master' into master
senecameeks Nov 27, 2023
f4e0d88
call run_sweep_async in parallel
senecameeks Dec 15, 2023
ba7de29
call circuits asynchronously
senecameeks Dec 18, 2023
d6c4237
Revert "Created using Colaboratory"
senecameeks Dec 18, 2023
5f8a3ca
Revert "call run_sweep_async in parallel"
senecameeks Dec 18, 2023
ef9b324
revert colab
senecameeks Dec 18, 2023
7173392
lint
senecameeks Dec 18, 2023
3c63bed
use pmap
senecameeks Dec 18, 2023
5d2e52d
add test
senecameeks Dec 19, 2023
2f055f7
lint
senecameeks Dec 19, 2023
cee3241
lint
senecameeks Dec 19, 2023
26fbebd
Merge branch 'main' into parallelize_run_batch
senecameeks Dec 19, 2023
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nits
senecameeks Dec 20, 2023
7b7dac9
Merge branch 'parallelize_run_batch' of github.com:senecameeks/Cirq i…
senecameeks Dec 20, 2023
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Merge branch 'main' into parallelize_run_batch
senecameeks Dec 20, 2023
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7 changes: 3 additions & 4 deletions cirq-core/cirq/work/sampler.py
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Original file line number Diff line number Diff line change
Expand Up @@ -294,10 +294,9 @@ async def run_batch_async(
See docs for `cirq.Sampler.run_batch`.
"""
params_list, repetitions = self._normalize_batch_args(programs, params_list, repetitions)
return [
await self.run_sweep_async(circuit, params=params, repetitions=repetitions)
for circuit, params, repetitions in zip(programs, params_list, repetitions)
]
Comment on lines -297 to -300
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You probably want to use a variant of duet.pmap ("parallel map") to make multiple calls in parallel. In this case, the zip produces tuples of args and we want to call the underlying function like self.run_sweep_async(*args), so we need a "starmap", something like:

return await duet.pstarmap_async(self.run_sweep_async, zip(programs, params_list, repetitions))

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For reference, here's the definition of duet.pstarmap_async: https://github.com/google/duet/blob/main/duet/api.py#L171

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Thank you for the code pointer!

return await duet.pstarmap_async(
self.run_sweep_async, zip(programs, params_list, repetitions)
)

def _normalize_batch_args(
self,
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