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A DATA step optimization that avoids unnecessary missing value handling has the side effect of a serious performance penalty when processing division-by-zero. When the number of these division-by-zero operations gets large, the degradation can be so severe that the job may continue to loop until it is cancelled.

Select the Hot Fix tab in this note to access the hot fix for this issue.

Operating System and Release Information

A fix for SAS 9.1.3 (9.1 TS1M3) for this issue is available at:

A fix for SAS 9.1.3 (9.1 TS1M3) with Asian Language Support (DBCS) for this issue is available at :