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Performance improvement in add_set #17

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Performance improvement in add_set #17

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9 changes: 6 additions & 3 deletions lib/recommendify/cc_matrix.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -9,12 +9,15 @@ def ccmatrix

def add_set(set_id, item_ids)
# FIXPAUL: forbid | and : in item_ids

item_ids.each do |item_id|
item_count_incr(item_id)
end
all_pairs(item_ids).map do |pair|
i1, i2 = pair.split(":")
ccmatrix.incr(i1, i2)
Recommendify.redis.pipelined do
all_pairs(item_ids).map do |pair|
i1, i2 = pair.split(":")
ccmatrix.incr(i1, i2)
end
end
end

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