Some years ago, on our z800 processor, we measured the performance of (in-place) TR against a software-coded loop. We found that the loop was faster than TR for strings shorter than nine (9) bytes in length. When we spoke to IBM about this, we learned that TR had been partially moved into millicode for the [...]
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Performance of TR
Posted in Assembler, tagged Assembler, assembler performance, Mainframe, TR, TR code on March 31, 2008 | Leave a Comment »
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