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perf(ivy): guard directive-related operations with a TNode flag #32445


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commented Sep 2, 2019

There are multiple places where we call directive-related functions on a node. In real-life applications many nodes won't be a host for any directive, so often times those calls are wasteful. This PR introduces a new flag for TNode (isDirectiveHost ) and ensures that any directive-related logic execution is guarded by this new flag.

@googlebot googlebot added the cla: yes label Sep 2, 2019

@pkozlowski-opensource pkozlowski-opensource force-pushed the pkozlowski-opensource:tnode_flags branch from cd1213e to 1c840b8 Sep 2, 2019

@ngbot ngbot bot modified the milestone: needsTriage Sep 2, 2019

@pkozlowski-opensource pkozlowski-opensource marked this pull request as ready for review Sep 2, 2019

@pkozlowski-opensource pkozlowski-opensource requested a review from angular/fw-core as a code owner Sep 2, 2019

kara approved these changes Sep 2, 2019
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packages/core/src/render3/instructions/lview_debug.ts Outdated Show resolved Hide resolved

@kara kara assigned kara and pkozlowski-opensource and unassigned kara Sep 2, 2019


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commented Sep 3, 2019

@mhevery mhevery closed this in 641c5c1 Sep 4, 2019

sabeersulaiman added a commit to sabeersulaiman/angular that referenced this pull request Sep 6, 2019
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