Rational Developer for System z
Enterprise COBOL for z/OS, Version 4.1, Programming Guide


Improving sort performance with FASTSRT

Using the FASTSRT compiler option improves the performance of most sort operations. With FASTSRT, the DFSORT product (instead of Enterprise COBOL) performs the I/O on the input and output files you name in the SORT . . . USING and SORT . . . GIVING statements.

The compiler issues informational messages to point out statements in which FASTSRT can improve performance.

Usage notes


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