Andy Seaborne created JENA-2174:
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             Summary: Improve Hex.formatUnsignedLongHex
                 Key: JENA-2174
                 URL: https://issues.apache.org/jira/browse/JENA-2174
             Project: Apache Jena
          Issue Type: Improvement
            Reporter: Andy Seaborne


{{Hex.formatUnsignedLongHex}} formats a long as hex digits into a byte array. 
It is used in the xloader (formerly "TDB1, tdbloader2").

Changing the implementation to process the hex digits in forward (high-to-low) 
order,there is better performance, possibly due to "mechanical sympathy" with 
the compiler or CPU caches.




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