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-rw-r--r--benchmark/bm_io_pipe_rw.rb13
1 files changed, 13 insertions, 0 deletions
diff --git a/benchmark/bm_io_pipe_rw.rb b/benchmark/bm_io_pipe_rw.rb
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+++ b/benchmark/bm_io_pipe_rw.rb
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+# Measure uncontended GVL performance via read/write with 1:1 threading
+# If we switch to M:N threading, this will benchmark something else...
+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