Major Release of Xilinx ISE Software Slashes FPGA Design Cycles

ISE 9.1i Powered by New SmartCompile Technology Cuts Implementation Runtimes by Up to 6X and Delivers 30% Faster Performance

SAN JOSE, Calif., Jan. 15 /PRNewswire/ -- Xilinx, Inc. (NASDAQ: XLNX) today introduced its latest 9.1i release of the industry's most widely-used Xilinx Integrated Software Environment (ISE(TM)) design suite optimized to address today's leading design challenges: timing closure, productivity and power. In addition to 2.5X faster runtimes, ISE 9.1i includes new SmartCompile technology which improves run times by up to an additional 6X while maintaining exact design preservation of unchanged logic. ISE 9.1i optimizes the unique ExpressFabric(TM) technology of its latest 65nm Virtex(TM)-5 platform, providing an average of 30 percent faster performance than competing solutions. For power sensitive applications, ISE 9.1i also reduces dynamic power by an average of 10 percent.

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This revolutionary technology is facilitated by the efforts of the Xilinx-Synplicity Ultra High-Capacity Timing Closure Task Force, delivering industry-leading productivity enhancing capabilities to ensure the fastest path to timing closure and optimize the power and performance of leading-edge Xilinx Virtex(TM) Series and Spartan(TM)-3 Generation FPGAs.

"Fast implementation runtimes and predictable timing results for small design changes, especially towards the end of a design cycle, are extremely important," said Jochen Frensch, senior technical expert, Graphics Platform, at Harmon/Becker Automotive Systems GmbH, a leading provider of customized automotive systems. "For small design changes, XST synthesis preserved names for unchanged parts of the design and SmartGuide preserved close to 99% of the components in implementation, enabling us to see faster incremental runtimes. The new SmartGuide technology in ISE 9.1i offers a tremendous advantage."

Increased Productivity

Much of the time spent on today's most advanced designs is in re-implementing the entire design with each incremental change. These re-implementations take time and introduce the risk of disrupting portions of the design not directly involved with the change. Xilinx SmartCompile technology addresses these issues with the following technologies:

    *Partitions:  minimize effects of minor changes late in design cycles with
     cut-and-paste functionality that automatically provides exact
     preservation of existing synthesis, placement and routing of unchanged
     partitions, and reduces time for reimplementation by an average of 2.5X.
    *SmartGuide:  reduces time for re-implementation by an average of 2X for
     small changes by leveraging prior implementation results.
    *SmartPreview:  enables users to pause and resume the place-and-route
     process and save intermediate results to evaluate the state of their
     designs. By previewing implementation information such as routing status
     and timing results, users can make important trade-off decisions without
     waiting for complete implementation to complete.

SmartCompile technology delivers an order of magnitude increase in productivity as a result of up to a 6X run time improvement, exact preservation of partitions, and improved visibility into the implementation. These improvements are in addition to the 2.5X faster runtimes for challenging designs.

ISE 9.1i also addresses the increasing sophistication of FPGA designers with a number of user interface enhancements including:

    *Tcl command console to easily transition from the ISE graphical user
     interface to a command line environment.

    *Source code control compatibility function identifies the files necessary
     to recreate results, which can be imported and exported for source

    Faster Timing Closure

New features in ISE 9.1i design tools build on capabilities of ISE Fmax technology, especially designed to deliver unparalleled performance and timing closure results for high density, high performance Virtex-5 based designs. The ISE 9.1i integrated timing closure flow incorporates enhanced physical synthesis optimizations that provide higher quality of results. Optimized routing algorithms provide the most efficient utilization of the diagonally symmetric interconnect of the 65nm ExpressFabric technology to minimize delay and fully leverage the high performance features of the Virtex-5 Platform.

"Timing closure is the number one issue for FPGA designers, and this release greatly simplifies and accelerates that process," said Bruce Talley, vice president of the Design Software Division at Xilinx. "Our ISE SmartCompile technology addresses the top challenges facing designers today, allowing designers to reach their performance goals in much less time with fewer, more efficient design iterations. What is just as compelling to our users is that ISE 9.1i also enables them to optimize for low power design requirements without compromises in overall performance."

Underlying the entire ISE 9.1i infrastructure is an expanded timing closure environment -- a virtual "Timing Closure Cockpit" -- that enables intuitive cross-probing between constraint entry, timing analysis, floorplanning and report views so designers can more easily analyze timing problems. The ISE 9.1i integrated timing closure flow incorporates enhanced physical synthesis with improved timing correlation between synthesis and placement, resulting in higher quality of results.

Power Optimization

New power optimization in Xilinx Synthesis Technology (XST) and placement together with improvements in routing deliver an average of 10 percent lower dynamic power for Spartan-3 Series FPGAs. XST provides power-aware logic optimizations for macro processing on blocks such as multipliers, adders and BRAMs. Implementation algorithms deploy power-efficient placement strategies and lower capacitance nets within the device to minimize power without sacrificing performance.

Pricing and Availability

ISE Foundation(TM) 9.1i suite is immediately available with prices starting at US $2,495. A full-featured 60-day evaluation version is available at no charge. All versions of ISE 9.1i software packages support Windows(R) 2000 and Windows XP Professional and Linux(R) Red Hat(R) Enterprise 3.0 and 4.0. ISE Foundation also supports Solaris(R) 2.8 and 2.9.

ISE software delivers programmable logic design solutions to over 300,000 users worldwide with an intuitive, front-to-back design environment for all Xilinx product families, including Virtex-II, Virtex-II Pro, Virtex-4 and Virtex-5 Platform FPGAs, Spartan(TM)-3 Generation FPGAs, and CoolRunner(TM)-II CPLDs. For more information about the ISE 9.1i software suite, visit .

Additional Customer Feedback

"Since we use the majority of silicon features offered in Virtex-4 FX, including the Power PC, MGTs, Ethernet MACs, DSP48 blocks, FIFOs, and SERDES, implementing our design is very challenging," said Alex Henderson, CTO, Anagran, a leading network equipment company. "ISE 9.1i makes it very easy to meet the timing constraint and reduces the need for manual intervention such as floorplanning. Compile times are also reduced with ISE 9.1i, at times over 35 percent as compared to previous floorplanned versions of the design. With the new SmartGuide technology, we've also seen further compile time reduction for successive iterations by 30-50 percent. We're convinced that ISE 9.1i will allow us to substantially cut our engineering time."

"Our largest Virtex-4 designs use most of the available logic resources in the device and can be very challenging for place and route. ISE 9.1i has enabled us to reduce implementation compile times by over 4X for these challenging designs," said Luc Burgun, CEO, EVE, a leading hardware-assisted verification company. "Our development team and our customers will realize significant productivity gains with ISE 9.1i."

About Xilinx

Xilinx is the worldwide leader in complete programmable logic solutions. For more information, visit .


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