Why is the HyperRetimer performance worse in the Quartus II software version 15.0 than in version 14.1?

Description

In the Quartus® II software version 15.0 and later, the Hyper-Retimer is prevented from optimizing design performance due to overly conservative hold timing parameters on Hyper-Registers.

Resolution

To update the timing model for the Stratix® 10 Early Access device, download and install patch 1.01 from the links below. You must install the Quartus II software version 15.0 Update 1 before installing this patch.

• Download the version 15.0 Update 1 patch 1.01 for Windows (.exe)
• Download the version 15.0 Update 1 patch 1.01 for Linux (.run)
• Download the Readme for the Quartus II software version 15.0 Update 1 patch 1.01 (.txt)

The timing model has been updated beginning with the Quartus II software version 15.0 Update 2.