Details
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Type:
Sub-task
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Status: Open
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Priority:
Major
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Resolution: Unresolved
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Affects Version/s: Impala 2.8.0
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Fix Version/s: None
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Component/s: Backend
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Labels:
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Target Version:
Description
With multithreading, we should find a way to share codegen modules between fragment instances to avoid redundant compilation, optimisation, etc.
Attachments
Issue Links
- breaks
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IMPALA-6262 Crash Impalad [ DataSink::Create fail which cause profile nullptr ]
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- Resolved
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- incorporates
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IMPALA-5192 Avoid hard coding pointer to the tuple pool into generated IR of Tuple::CodegenMaterializeExprs()
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- Resolved
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- is blocked by
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IMPALA-4008 Generate codegen module without operator/query-specific constants
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- Resolved
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IMPALA-4108 Move cached set_is_null/is_null/etc functions from SlotDescriptor to LlvmCodeGen
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- Resolved
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IMPALA-4192 Pull all expressions in a fragment into RuntimeState
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- Open
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- is related to
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IMPALA-5356 Move Expr's fragment local states from ExprContext to Expr
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- Open
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