By Leena Singh
"As chip measurement and complexity keeps to develop exponentially, the demanding situations of useful verification have gotten a serious factor within the electronics undefined. it's now generally heard that logical blunders neglected in the course of useful verification are the most typical explanation for chip re-spins, and that the prices linked to useful 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 iteration, sensible assurance research, and assertion-based verification are all recommendations that complex layout and verification groups generally use at the present time. Engineers also are more and more turning to layout and verification types according to C/C++ and SystemC with a view to construct extra summary, greater functionality and software program versions and to flee the constraints of RTL HDLs. This new booklet, complicated Verification Techniques, provides particular tips for those complex verification thoughts. The booklet comprises sensible examples and indicates how SystemC and SCV might be utilized to various complicated layout and verification tasks."
- Stuart Swan
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Extra info for Advanced verification techniques : a systemC based approach for successful tapeout
Also‚ stimulus generation task should be able to generate stimulus on any interface of the chip without changes in the code. Some languages have ability to communicate between various simulations using socket interface. This is essential for large distributed simulations. One chip can be simulated on system a and other on system b‚ and information can be exchanged back and forth between the two at much higher speed than simulating both chips on one system. Semaphore‚ mutex‚ multiple threads running at same time.
H> file as follows: 1. /// \defgroup checker checker parts. 2. /// Associative parts of checker implementation. Verification Process 29 Line 1 defines group checker and gives brief heading “checker parts”. Line 2 gives more description to it. After defining a group, one can add to this group by \ingroup checker. h, tbvReceiveTask(task that receives data) and tbvCheckTask(task that implements check algorithm) can be added to this group. Notice the “\a” in front of function names in line 6. In the documentation this will take you to the actual function call description, in case “\a” is attached in front of the tasks or function names.
What does it take to be productive with the tool? Verification Process 25 Does verification language resemble with well known languages - c‚ c++‚ Verilog or VHDL? What is the performance of the tool? How powerful is debugger at handling multiple threads? Is the code structured and easily understandable? Is there additional software to worry about‚ additional training required etc.? Support components integration from different languages‚ in case IP is in a different language. Most of the verification languages try to provide the required capabilities listed above.