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+Sun Jul 20 12:44:23 2014 Eric Wong <e@80x24.org>
+
+ * include/ruby/io.h (rb_io_buffer_t): pack structure
+ Reduces rb_io_t from 200 to 192 bytes, allowing rb_io_t to
+ occupy one less cache line.
+ [Feature #10050]
+
Sun Jul 20 12:41:53 2014 Eric Wong <e@80x24.org>
* include/ruby/io.h (rb_io_t): shrink to 200 bytes from 216 on 64-bit