By Leena Singh
"As chip dimension and complexity maintains to develop exponentially, the demanding situations of sensible verification have gotten a serious factor within the electronics undefined. it really is now ordinarily heard that logical error overlooked in the course of useful verification are the commonest explanation for chip re-spins, and that the prices linked to practical verification at the moment are outweighing the prices of chip layout. to deal with those demanding situations engineers are more and more counting on new layout and verification methodologies and languages. Transaction-based layout and verification, limited random stimulus new release, practical assurance research, and assertion-based verification are all innovations that complex layout and verification groups generally use this day. Engineers also are more and more turning to layout and verification types in accordance with C/C++ and SystemC that allows you to construct extra summary, larger functionality and software program types and to flee the restrictions of RTL HDLs. This new booklet, complex Verification Techniques, provides particular information for those complex verification ideas. The e-book comprises real looking examples and exhibits how SystemC and SCV will be utilized to various complex layout and verification tasks."
- Stuart Swan
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Additional resources for Advanced verification techniques : a systemC based approach for successful tapeout
It should not require another modeling style to be able to use the tool. processed code should be able to simulate and synthesize. Should be compatible with popular simulators and synthesis tools used in the industry. Gives user enough control on filtering the error messages instead of dumping too much information. Can handle FSM extraction and race condition detection. Many vendors provide lint tools‚ their checking features overlap in some areas and differ significantly in others. SureLint: It is quite common static design analysis tool for analyzing and debugging complex designs before simulation and synthesis.
Path Coverage: Shows which routes through “if--else”and case constructs have been tested. Signal Coverage: Shows how well state signals or ROM addresses have been tested. Features Has good performance and accuracy. Support distributed simulation and design environments. Should be able to determine untested code in the design. Should be able to reuse coverage metrics from other modules or IPs. Should be able to determine effective and efficient regression suite. Support automatic or manual filtering of uncoverable expression conditions.
All this can be done using make and other scripts. It is recommended to have option for both dynamic and static builds. With some of the existing verification tools, build process is built in. 8 Simulation and waveform analysis Number one requirement in simulator is performance. Everything depends on simulator engine and simulator must execute efficiently at RTL level of design abstraction. Also, simulators have to meet the demands of increasing gate counts and higher levels of abstraction. There are some free available but they are limited on number of verilog lines they support: ncsim, ncverilog and ncvhdl from Cadence is high performance simulator with transaction/signal viewing and integrated coverage analysis.
Advanced verification techniques : a systemC based approach for successful tapeout by Leena Singh