Fix similarity correlation

[longjiquan]

Signed-off-by: dragondriver jiquan.long@zilliz.com
/kind improvement
/cc @cydrain

[cydrain]

/lgtm

[codecov]

Codecov Report

Merging #12511 (a43481f) into master (aa154e0) will increase coverage by 0.02%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master   #12511      +/-   ##
==========================================
+ Coverage   79.03%   79.05%   +0.02%     
==========================================
  Files         449      449              
  Lines       61272    61269       -3     
==========================================
+ Hits        48427    48437      +10     
+ Misses      10346    10333      -13     
  Partials     2499     2499              

Impacted Files	Coverage Δ
internal/core/src/segcore/segment_c.cpp	63.26% <100.00%> (ø)
internal/proxy/task.go	73.75% <100.00%> (-0.01%)	⬇️
internal/util/distance/similarity_corelation.go	100.00% <100.00%> (ø)
internal/rootcoord/proxy_manager.go	62.14% <0.00%> (-2.86%)	⬇️
internal/datacoord/segment_manager.go	80.83% <0.00%> (-0.70%)	⬇️
internal/rootcoord/task.go	78.42% <0.00%> (-0.44%)	⬇️
internal/indexcoord/index_coord.go	77.17% <0.00%> (-0.33%)	⬇️
...where/knowhere/index/vector_index/impl/nsg/NSG.cpp	91.92% <0.00%> (-0.32%)	⬇️
internal/proxy/impl.go	77.60% <0.00%> (+0.15%)	⬆️
internal/querycoord/task.go	85.70% <0.00%> (+0.18%)	⬆️
... and 5 more

[longjiquan]

rerun failure checks

[wxyucs]

/approve

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: DragonDriver, scsven

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