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Optimization: use write index cache in pop #45

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Optimization: use write index cache in pop #45

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bvbfan
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@bvbfan bvbfan commented Aug 7, 2025

Running benchmark on my machine:
without patch

SPSCQueue:
27176 ops/ms
193 ns RTT
boost::lockfree::spsc:
18873 ops/ms
298 ns RTT

with patch:

SPSCQueue:
41091 ops/ms
189 ns RTT
boost::lockfree::spsc:
18207 ops/ms
290 ns RTT

@bvbfan
Optimization: use write index cache in pop
552d2eb 
small code refactoring

Signed-off-by: Anthony Fieroni <[email protected]>
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bugacha commented Aug 27, 2025

@bvbfan did you compare your implementation with https://github.com/drogalis/SPSC-Queue ?

I'm curious how fast it is against yours.

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@bvbfan @bugacha