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When performing antialiased stage 2 combining of aggs, on the first pass do not need to do the full accumulate as a simple copy will suffice, given that the target aggs are all empty. This gives a slight performance improvement, there is no functional change.

@ianthomas23 ianthomas23 added this to the v0.15.2 milestone Aug 7, 2023
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codecov bot commented Aug 7, 2023

Codecov Report

Merging #1264 (23d49a5) into main (f263c56) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main    #1264   +/-   ##
=======================================
  Coverage   83.43%   83.44%           
=======================================
  Files          35       35           
  Lines        9069     9071    +2     
=======================================
+ Hits         7567     7569    +2     
  Misses       1502     1502           
Files Changed Coverage Δ
datashader/compiler.py 90.03% <100.00%> (ø)
datashader/glyphs/line.py 93.06% <100.00%> (+0.01%) ⬆️

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@ianthomas23 ianthomas23 merged commit 7e3b8c3 into holoviz:main Aug 7, 2023
@ianthomas23 ianthomas23 deleted the aa_replace_accum_with_copy branch August 7, 2023 15:27
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