DVCLUB: Cache Coherency: The Next Big Problem in SoC Verification 2017-02-08T06:13:16+00:00
Conference:DVCLUB Europe: Cache Verification (Feb 2017)
Speaker:Robert Fredieu (Verification Architect), Mentor Graphics
Presentation Title:Cache Coherency: The Next Big Problem in SoC Verification
Abstract:The details of cache coherency are and have been for many years a little known and poorly understood feature of computer systems. The complexity of a cache has always been limited by the ability to test it. The problem has now moved out of the domain of block level testing of the cache itself into a much more difficult problem of SoC verification.

As more IP becomes available from different sources that must use the same coherency protocol the need to understand both what must be tested and the results of testing becomes much more important. At the same time the ability to create a good test becomes much more difficult. Cache Coherency is intricately involved in the other big verification problems of ordering, performance, and arbitration. The trick is to do all this without requiring the verification team to become experts in the field.

  • SoC Level Verification of Cache Coherency is a rapidly growing problem and is new to many verification teams
  • Small changes for small performance gains can cost a lot for verification
  • The verification of Cache Coherency is intertwined with the problems of ordering, performance, and arbitration
Speaker Bio:Robert is a Verification Architect at Mentor Graphics focussed on new products in the SoC verification and design space. He has more than 36 years of experience in ASIC design and verification. Prior to Mentor he was a consultant working at AMD in SoC design and verification of gaming consoles and server products. Before AMD he worked as a consultant for many companies starting in design and later in the verification of computer systems, communication systems, test equipment, guidance systems, etc. He completed his first ASIC in 1981 and his most recent in 2013. Robert holds a BS in Physics from MIT and a BS in Electrical Engineering from MIT.

View the Presentation Materials:

  • At the request of the speaker Presentation Slides will not be available post-event.
  • At the request of the speaker recording Slides will not be available post-event.
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