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require 'benchmark'
module ActionView
module Helpers
module BenchmarkHelper
# Measures the execution time of a block in a template and reports the result to the log. Example:
#
# <% benchmark "Notes section" do %>
# <%= expensive_notes_operation %>
# <% end %>
#
# Will add something like "Notes section (0.345234)" to the log.
def benchmark(message = "Benchmarking", &block)
return if @logger.nil?
bm = Benchmark.measure do
block.call
end
@logger.info("#{message} (#{sprintf("%.5f", bm.real)})")
end
end
end
end
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