[Libreoffice-bugs] [Bug 121740] PPT (1, 2 MB) with Equation 3.0 objects is slow to load (was better with OO)

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=121740

Timur <gtimur at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|PPT (1,2 MB) with Equation  |PPT (1,2 MB) with Equation
                   |3.0 objects is slow to load |3.0 objects is slow to load
                   |(was better with OO and     |(was better with OO)
                   |previous LO)                |
                 CC|                            |serval2412 at yahoo.fr

--- Comment #25 from Timur <gtimur at gmail.com> ---
Linux has a nice time command but Windows seems to have only workarounds (using
power-shell or manual time or timemem utility).

Here, 1st open is slower and 2nd open faster, so I measure 2nd open. 
Can't say why numbers are different from previous, maybe because this time I
launch complete suite from the command line, so it's not just the file measured
manually. 

I open in 84s in LO7.0+ (with page fault #: 1000, Working set: 4 MB, Page file
size: 1 MB), 100s in LO6.2, 175s in LO5.4, 80s in LO3.3, 25s in OO3.3. 
MSO takes 8 seconds (with page fault #: 42000, Working set: 100 MB, Page file
size: 55 MB). 

Now, it seems to me (doesn't have to be true) that LO was never faster, as
current speed is as in LO3.3, but OO was. 
Does MSO load time and memory use has something with multi-processing? 
I'm not sure if flamegraph would help, let's hope so.

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