low dimension data (dimension 4) problem occur in "Parallel TpTree Partition begin" step
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Description
for now, the index build and index search go well in dataset which dimension is bigger than 8.
However, when i use the random dataset 10M * 4, there is a "Segmentation fault". the detail position is as follow:
Start to build BKTree 1
1 BKTree built, 10000001 10000000
build RNG graph!
Parallel TpTree Partition begin
Segmentation fault (here).
So, i wonder whether there exist a parameter that limits the input dataset dimension?
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Research direction
Reproduce the failure with the random 10M × 4 dataset and follow the index-build path through the reported “Parallel TpTree Partition begin” step. Determine why the segmentation fault occurs for dimension 4, and verify that index building completes without a crash for the affected input.
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Assessment
- Tech stack
- cpp
- Domain
- search
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100