If it's 2 days that puts us about 26 years (2040) away, compared to the original assumption, which would put us 16 years away (2030), assuming "Moore's Law" continues to happen every 18 months (regardless of whether we'll be able to double the number of transistors per same amount of space anymore or not).

Supercomputer takes 40 minutes to simulate 1 second of a human brain | Hacker News Sunday, January 12, 2014 @ 7:26pm