Drew McCormack
"You should use Core Data" by @atcrawford
<<< Great posthttp://pocket.co/sjIZL
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@mjtsai Won't argue with you on iCloud sync: it's rubbish. iWork etc are pretty old. Think it is all still XML.
Marcel Weiher
Michael Tsai
@drewmccormack You think that, absent the history, Core Data would make a better word processing/spreadsheet document format than XML?
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@mjtsai Probably. Don't know what they do on iOS. I guess they split the XML into multiple files for partial loading. Ie, primitive DB. - View other replies
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@drewmccormack@mjtsai FYI, the text of Moby Dick is 1.2MB uncompressed, so that's 10 Moby Dick's for 1 full screen retina iPad image. -
@mpweiher Text is small, structure much bigger. Doubt a big keynote XML could load into memory on iOS. Images are easy. Mostly stay on disk. -
@drewmccormack Just tried 25 page Keynote doc on desktop, structure in-memory << 11MB -> 50 page << 22MB. Even on iPad 1 only 10% of mem. -
@mpweiher It depends what is on the pages. I have some keynote presentations that are hundreds of megs on disk. - View other replies
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@drewmccormack My largest keynote is 125MB, the XML is 1.2MB, memory use << 13MB (structural). Tell me if you find one that won't fit. -
@mpweiher One presentation is 1GB on disk, 2.2MB XML, and over 100MB in memory.pic.twitter.com/7dMkBNIDFF
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@drewmccormack Memory limit on iPad 3 is 650MB, so 6-300x what the monster 1GB presentation takes. Looks like a comfortable fit to me... - Show more
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@mjtsai@drewmccormack the trouble there is it isn't very well suited to large runs of text -
@mikeabdullah@drewmccormack Or, probably, for that many nodes.
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Mike Abdullah
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