This earlier thread on HN might be of interest:
Why didn't Larrabee fail? https://news.ycombinator.com/item?id=12293308
Why didn't Larrabee fail? https://news.ycombinator.com/item?id=12293308
If anyone would like to know more about Intel, I think this AMA is much better
https://www.reddit.com/r/IAmA/comments/15iaet/iama_cpu_archi...