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[VL] Broadcast BHJ hash table #8857

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FelixYBW opened this issue Feb 28, 2025 · 1 comment
Open

[VL] Broadcast BHJ hash table #8857

FelixYBW opened this issue Feb 28, 2025 · 1 comment
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@JkSelf
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enhancement New feature or request

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@FelixYBW
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Description

Currently we broadcast small table and build hashtable in every task. The improvement is to build hash table on driver and broadcast to task thread.
@FelixYBW FelixYBW added the enhancement New feature or request label Feb 28, 2025
@FelixYBW FelixYBW moved this to Todo in Gluten Velox Dev Feb 28, 2025
@JkSelf JkSelf moved this from Todo to In Progress in Gluten Velox Dev Mar 4, 2025
@JkSelf JkSelf self-assigned this Mar 4, 2025
@FelixYBW FelixYBW moved this from In Progress to Todo in Gluten Velox Dev Mar 4, 2025
@FelixYBW
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A PoC: #8931

Doc: https://docs.google.com/document/d/1upEby9aJnBcMKul7HS5agSr1zwFR63Iq4QL1nYxuFvU/edit?tab=t.0#heading=h.s1185eumct0z

Velox Issue: facebookincubator/velox#12107

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enhancement New feature or request
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Gluten Velox Dev
Status: Todo
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@JkSelf @FelixYBW