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+prelude: |
+ # Measure uncontended GVL performance via read/write with 1:1 threading
+ # If we switch to M:N threading, this will benchmark something else...
+benchmark:
+ io_pipe_rw: |
+ r, w = IO.pipe
+ src = '0'.freeze
+ dst = String.new
+ i = 0
+ while i < 1_000_000
+ i += 1
+ w.write(src)
+ r.read(1, dst)
+ end
+ w.close
+ r.close
+loop_count: 1