Benchmarking Rails' `content_tag(:b)` vs `tag.b`

rails_content_tag_vers_tag_benchmark.rb

before = Process.clock_gettime(Process::CLOCK_MONOTONIC)
50_000.times { tag.span("hey") }
after = Process.clock_gettime(Process::CLOCK_MONOTONIC)
Rails.logger.debug %(tag.span("hey") } #{after - before}s)

before = Process.clock_gettime(Process::CLOCK_MONOTONIC)
50_000.times { tag.span { "hey" } }
after = Process.clock_gettime(Process::CLOCK_MONOTONIC)
Rails.logger.debug %(tag.span { "hey" } } #{after - before}s)

before = Process.clock_gettime(Process::CLOCK_MONOTONIC)
50_000.times { content_tag(:span, "hey") }
after = Process.clock_gettime(Process::CLOCK_MONOTONIC)
Rails.logger.debug %(content_tag(:span, "hey") } #{after - before}s)

before = Process.clock_gettime(Process::CLOCK_MONOTONIC)
50_000.times { content_tag(:span) { "hey" } }
after = Process.clock_gettime(Process::CLOCK_MONOTONIC)
Rails.logger.debug %(content_tag(:span) { "hey" } } #{after - before}s)

before = Process.clock_gettime(Process::CLOCK_MONOTONIC)
50_000.times { tag_builder.content_tag_string(:span, "hey", nil) }
after = Process.clock_gettime(Process::CLOCK_MONOTONIC)
Rails.logger.debug %(tag_builder.content_tag_string(:span, "hey", nil) } #{after - before}s)

Rails.logger.debug %(50_000.times { tag.span("hey") } })
Rails.logger.debug(Benchmark.ms { 50_000.times { tag.span("hey") } })

Rails.logger.debug %(50_000.times { tag.span { "hey" } } })
Rails.logger.debug(Benchmark.ms { 50_000.times { tag.span { "hey" } } })

Rails.logger.debug %(50_000.times { content_tag(:span, "hey") } })
Rails.logger.debug(Benchmark.ms { 50_000.times { content_tag(:span, "hey") } })

Rails.logger.debug %(50_000.times { content_tag(:span) { "hey" } } })
Rails.logger.debug(Benchmark.ms { 50_000.times { content_tag(:span) { "hey" } } })