Michael Tsai on Twitter: "@cocoalabs @rentzsch I agree that demand paging with a cell-type architecture would work. I thought Flyweight was more like interning."

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Michael Tsai ‏@mjtsai 23 Jan 2013

Opened a 4.5 MB CSV file in Numbers in 58 seconds on rMBP. Do a search, it beachballs for 20 seconds. Excel opens it in 1 second.
rentzsch ‏@rentzsch 23 Jan 2013

@mjtsai the dangers of promoting all data to NSObjects. Mail.app learned the same lesson long ago. C++ has its place.
2 retweets 2 likes
‏@cocoalabs 23 Jan 2013

@rentzsch @mjtsai Curious though, couldn’t the data be a blob and use the flyweight design pattern to access them in an OO fashion?
Michael Tsai ‏@mjtsai 23 Jan 2013

@cocoalabs @rentzsch I don’t think flyweight is applicable here; I bet the problem is the number of objects, not the data hanging off them.
‏@cocoalabs 23 Jan 2013

@mjtsai @rentzsch Essentially Paging through the data, not entirely unlike how UITableView reuses cells.

‏@mjtsai

@cocoalabs @rentzsch I agree that demand paging with a cell-type architecture would work. I thought Flyweight was more like interning.

11:37 AM - 23 Jan 2013

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