AR# 11504

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3.1i Virtex PAR - Placer achieves better results at low-effort levels for a particular design.

Description

Keywords: place, placement, scores, effort, level, levels

Urgency: Standard

General Description:
PAR achieves better results at low-effort levels than high-effort levels. (The source of this problem has been identified and fixed.)

NOTE: This issue affects the Virtex, Virtex-E and Spartan-II device architectures.

Solution

This problem is fixed in the latest 3.1i Service Pack available at:
http://support.xilinx.com/support/techsup/sw_updates. The first
service pack containing the fix is 3.1i Service Pack 8.
AR# 11504
Date 10/21/2008
Status Archive
Type General Article
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