Bug 1526416 Comment 4 Edit History

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Should probably evaluate this for fx-perf considering it will affect startup.

If swapping docshells is still expensive, it may be worth looking into that, and/or using a hybrid method (ie creating the browser in one doc, and if we happen to be in the same window, continue doing what we do now, and only docshell swap if we're in a different window), and/or having a limited N (maybe 1, maybe more than 1) of preloaded tabs that we docshell swap to the top N focused windows when those change, or something.

260mb of preloaded tab memory is pretty sad though.
Should probably evaluate this for fx-perf considering it will affect startup.

It may be worth looking into whether swapping docshells is still expensive, and/or using a hybrid method (ie creating the browser in one doc, and if we happen to be in the same window, continue doing what we do now, and only docshell swap if we're in a different window), and/or having a limited N (maybe 1, maybe more than 1) of preloaded tabs that we docshell swap to the top N focused windows when those change, or something.

260mb of preloaded tab memory is pretty sad though.

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