[SERVER-80987] [CQF] Investigate Eq --> cmp3w regression Created: 12/Sep/23  Updated: 25/Sep/23  Resolved: 25/Sep/23

Status: Closed
Project: Core Server
Component/s: None
Affects Version/s: None
Fix Version/s: None

Type: Task Priority: Major - P3
Reporter: Militsa Sotirova Assignee: Militsa Sotirova
Resolution: Done Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Attachments: File new_lowering_scenario2.svg     File old_lowering_scenario1.svg     File perf-test_phase-0024_flamegraph_connections_merged_identical_commit.svg     File perf-test_phase-0024_flamegraph_connections_merged_merge_master.svg     File twoEq_lowering_scenario3.svg    
Issue Links:
Related
related to SERVER-80235 [CQF] Lower PathCompare [eq] using cmp3w Closed
is related to SERVER-81429 Address regressions due to PathCompar... Backlog
Backwards Compatibility: Fully Compatible
Sprint: QO 2023-09-18, QO 2023-10-02
Participants:

 Description   

SERVER-80235 caused some perf regressions. This ticket captures the work for investigating why those regressions happened (i.e. is it slower now because there are 2 operators for equality predicates now instead of one or because cmp3w itself is slower? Or a combination of both?)


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