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Cache small integer to_s (0-999): avoids 267 Integer#to_s allocations per render cycle\n\nResult: {"status":"keep","combined_µs":4158,"parse_µs":2920,"render_µs":1238,"allocations":26128}

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Tobi Lutke
2026-04-04 17:42:33 -07:00
committed by Chris Pak
parent f08fe63042
commit 02764d28f7
1 changed files with 6 additions and 0 deletions
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lib/liquid/utils.rb
+6
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@@ -96,8 +96,14 @@ module Liquid
obj obj
end end
# Cached string representations for common small integers (0-999)
# Avoids repeated Integer#to_s allocations during rendering
SMALL_INT_STRINGS = Array.new(1000) { |i| i.to_s.freeze }.freeze
def self.to_s(obj, seen = nil) def self.to_s(obj, seen = nil)
case obj case obj
when Integer
return (obj >= 0 && obj < 1000) ? SMALL_INT_STRINGS[obj] : obj.to_s
when BigDecimal when BigDecimal
obj.to_s("F") obj.to_s("F")
when Hash when Hash