SLEC is Not LEC

SLEC is Not LEC
by Paul McLellan on 12-20-2013 at 3:00 pm

One of the questions that Calypto is asked all the time is what is the difference between sequential logical equivalence checking (SLEC) and logical equivalence checking (LEC).

LEC is the type of equivalence checking that has been around for 20 years, although like all EDA technologies gradually getting more powerful. LEC is … Read More


Verifying Hardware at the C-level

Verifying Hardware at the C-level
by Paul McLellan on 09-09-2013 at 2:25 pm

As more people adopt high-level synthesis (HLS) they start to worry about what is the best design flow to be using. This is especially so for verification since it forms such a large part of the effort on a modern SoC. The more people rely on HLS for producing their RTL from C, the more they realize they had better do a good job of verifying… Read More


Calypto, in Three Part Harmony

Calypto, in Three Part Harmony
by Paul McLellan on 05-11-2013 at 8:00 am

As Julius Caesar said, “Gallia est omnis divisa in partes tres.” All Gaul is divided into 3 parts. Calypto is similar with three product lines that work together to provide a system level approach to SoC design. Two of those product lines are not unique, in the sense that similar capabilities are available from a handful… Read More


Sanjiv Kaul: Is HLS About to Take Off?

Sanjiv Kaul: Is HLS About to Take Off?
by Paul McLellan on 03-10-2013 at 8:10 pm


At the end of last week I talked to Sanjiv Kaul, the new CEO of Calypto. Just to give a little background for those that haven’t been following along at home, Calypto was founded to try and solve the very hard problem of sequential logical equivalence checking (mostly by people from the engineering team that I managed at Ambit).… Read More


Mentor catapults Calypto

Mentor catapults Calypto
by Paul McLellan on 08-26-2011 at 10:36 am

Mentor has transferred its Catapult (high level synthesis) product line, including the people, to Calypto. Terms were not disclosed but apparently it is a non-cash deal. Calypto gets the product line. Mentor gets a big chunk of ownership of Calypto. So maybe the right way to look at this is as a partial acquisition of Calypto.

It … Read More