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Magma enhances Hydra hierarchical design planner

By Magma Design Automation on

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Magma Design Automation has announced Hydra 1.1, an enhanced version of the company’s hierarchical design-planning solution for large systems on a chip (SoCs).

Hydra 1.1 features out-of-the-box reference flows for channel-style, near-abutment, full-abutment, black-box, repeated-block, and multi-power domain methodologies, allowing designers to easily combine these various approaches.

Advanced capabilities and enhanced ease-of-use enable faster delivery of better floor plans, according to Magma.

Hydra 1.1 features a hierarchical flow manager that is said to enable designers to deliver higher-quality floorplans faster.

Reference flows for commonly used design styles such as channel based, near abutment and black box are available.

Support for more complex flows such as full abutment, repeated block and multi-power domains that are compliant with both the Unified Power Format (UPF) and Common Power Format (CPF), is also provided.

These reference flows can be used in any combination to obtain an optimal floorplan.

They also enable design teams to perform design feasibility analysis at strategic points in the flow to evaluate early netlist quality, floorplan routability and performance goals.

Hydra 1.1 offers automatic macro placement, concurrent cluster placement and shaping, exclusive slack-proportionate time budgeting and re-budgeting, hierarchical global routing, and hierarchical clock tree planning.

Magma said the Hydra 1.1 macro placer has been enhanced to offer improved capacity with support for thousands of macros, improved congestion and timing awareness for both inter-block and intra-block communication, and extended relative placement constraint support.

Hydra places and shapes blocks concurrently, reducing this normally time-consuming manual task to a few hours.

In Hydra 1.1, the shaper has been enhanced to support any mix of design styles including channel style, near abutment and full abutment.

The shaper now supports incomplete netlist specifications by taking into account black-box characteristics.

Hydra 1.1 features slack-proportionate time budgeting and incremental re-budgeting.

This approach is said to deliver more accurate budgets than traditional methods through continuous refinement based on the physical topology, timing criticality of partitions and block implementation.

Hydra 1.1’s clock planning technology is now hierarchical, supporting both top-down and bottom-up clock tree construction.

Hydra 1.1 also features new global routing technology with native support for hierarchy and multi-threading, resulting in faster, more accurate global routing during the chip planning stage.

The new global router has support for net-specific topology control, transit region support allowing for a mixture of feedthroughs and flyovers, and MVdd aware topology construction.

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