ANN_BENCH: Fix segfault in CAGRA wrapper when moving its graph#733
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rapids-bot[bot] merged 3 commits intobranch-25.04from Feb 28, 2025
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ANN_BENCH: Fix segfault in CAGRA wrapper when moving its graph#733rapids-bot[bot] merged 3 commits intobranch-25.04from
rapids-bot[bot] merged 3 commits intobranch-25.04from
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When the graph in CAGRA wrapper needs to be relocated to a different memory resource, the old one is destructed before the data is copied. This leads to a segfault during copy. The fix is to retain the old graph pointer until the data is copied.
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Thanks Artem for the fix LGTM!
Codecov ReportAll modified and coverable lines are covered by tests ✅
Additional details and impacted files@@ Coverage Diff @@
## branch-25.04 #733 +/- ##
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Coverage 84.00% 84.00%
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Files 18 18
Lines 125 125
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Hits 105 105
Misses 20 20 ☔ View full report in Codecov by Sentry. |
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When the graph in CAGRA wrapper needs to be relocated to a different memory resource, the old one is destructed before the data is copied. This leads to a segfault during copy. The fix is to retain the old graph pointer until the data is copied.
This error is likely to happen when one runs CAGRA search benchmark sweeping over multiple values of
graph_memory_type.