On Mon, Jun 25, 2018 at 09:45:22PM -0700, L. David Baron wrote:
On Tuesday 2018-06-26 14:29 +1000, Nicholas Nethercote wrote:
The trend is clearly down, except for the large increase in .xpt size for
the most recent measurement -- note the extra digit! It appears that .xpt
files used to be binary, and now they are JSON. This might be related to
mccr8's recent XPT overhaul (bug 1438688)?
What's the relative value of making something not use xpidl anymore
vs. marking an xpidl interface as no longer [scriptable]?
(I hope that marking it not [scriptable] would mean we don't
generate .xpt data for it... although I haven't checked. I *think*
mccr8's XPT work means that we no longer have duplicate in-memory
copies of the xpt data across processes, though, so some of this
isn't as big a deal as it used to be.)
For C++, it generally means fewer vtables/virtual calls (which
is currently a significant win for content process memory), and
generally a nicer API surface.
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