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AR# 12425

4.1i Virtex-II PAR- Extra Effort (-xe 2 ) Level 2 causes a crash


Keywords: -xe, 2, PAR, extra effort

Urgency: Hot

General Description:
4.1i PAR supports the use of a new "-xe" switch that allows users to control the use of new place and routing algorithms. The highest
effort level is "-xe 2", which is only valid when used in conjunction with overall effort 5 "-ol 5". In some cases, this new feature leads to a crash.


This problem is fixed in the latest 4.1i Service Pack, available at:
The first service pack containing the fix is 4.1i Service Pack 3.
AR# 12425
日期 10/23/2008
状态 Archive
Type 综合文章