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runtime/comms: Faster RPC alloc #107

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sb10q merged 1 commits from pca006132/artiq-zynq:master into master 2020-09-03 20:01:52 +08:00
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pca006132 commented 2020-09-03 17:01:37 +08:00

We do busy polling for some time before doing await, for small
allocations we could avoid the context switching and reduce the latency.

This is an attempt to improve the performance problem stated in https://github.com/m-labs/artiq/issues/1324.

The time taken for the make_data call drops from 0.023068s to 0.009652. >50% performance improvement in this case.

We do busy polling for some time before doing await, for small allocations we could avoid the context switching and reduce the latency. This is an attempt to improve the performance problem stated in https://github.com/m-labs/artiq/issues/1324. The time taken for the make_data call drops from 0.023068s to 0.009652. >50% performance improvement in this case.
sb10q closed this pull request 2020-09-03 20:01:52 +08:00
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Reference: M-Labs/artiq-zynq#107
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