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fix(parameter_sync): enable multi-thread all-gather and all-to-all #200

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fix(parameter_sync): enable multi-thread all-gather and all-to-all #200

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haolin-nju
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In previous implementation, all-gather and all-to-all routed experts with HEP are always invoked in a single thread. This PR enables multi-thread all-gather and all-to-all according to the the number of all-gather groups or all-to-all groups.

adoda
adoda reviewed Jan 3, 2025
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@adoda adoda adoda approved these changes

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@haolin-nju @adoda @charles9304