Cadence Design Systems, Inc.

Versity Design, Inc.

Kun-Hsu K Shen

Ping-Sheng Tseng

Yogesh Goel

An emulation system for efficient data streaming is provided. The emulation system comprises a first device configured to product machine readable binary data, and a second device configured to receive the data. The emulation system further comprises a centralized first-in first-out (FIFO) memory unit. The centralized FIFO memory unit interfaces between the first device and the second device. The centralized FIFO memory unit is configured to receive the data from the first device, and transmit to the second device on receiving a transfer request from the first device or the second device.

Method and system for efficient data streaming in an emulation system

In the VCD-On-Demand system, the EDA tool has the following attributes: (1) RCC-based parallel simulation history compression and recording, (2) RCC-based parallel simulation history decompression and VCD file generation, and (3) On-demand software regeneration for a selected simulation target range without simulation rerun. When the user selects a simulation session range, the RCC System records a highly compressed version of the primary inputs from the test bench process. The user then selects a narrower region, the simulation target range, within the simulation session range for a more focused analysis. The RCC System dumps the hardware state information of the hardware model into a VCD file. The RCC System then allows the user to proceed directly to view the VCD file from the beginning of the simulation target range without having to rerun the entire simulation from the beginning of the simulation session range.

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Saratoga, CA, United States of America

Kun-Hsu K Shen