On 27/03/12 13:53, Caolán McNamara wrote:
> On Thu, 2012-03-08 at 17:05 +, Michael Meeks wrote:
>> It is also a markedly higher proportion than mozilla:
>
> Maybe large bits of mozilla are compiled without exceptions ?,
> historically at least given https://developer.mozilla.org/en/C
> +
On 03/27/2012 04:21 PM, Michael Meeks wrote:
Well, we force page them in as we launch LibreOffice, and then we go
Yeah, the pagein hack. More a testimony that we are doing something
wrong here -- trying to outsmart the OS instead of fixing it --, than a
legitimate critique on the exc
On Tue, 2012-03-27 at 15:21 +0100, Michael Meeks wrote:
> I assume you're compiling -Os ? (if so, it's another nail in the x86_64
> story I guess).
The defaults for LibO are -Os for ia32 and -O2 for ia64 (and most other
gcc targets), IIRC we fell over and died with -Os back in the early days
of th
On 2012-03-27 16:21, Michael Meeks wrote:
Well, we force page them in as we launch LibreOffice, and then we go
throwing a handful of random non-exceptional UNO exceptions as we
start up, so ... not sure :-)
Perhaps we can use linker magic to move those tables to the end of the
executable i
Hi there,
First - thanks for spending the time to generate some new data to look
at :-) it's really interesting:
On Tue, 2012-03-27 at 12:53 +0100, Caolán McNamara wrote:
> So, here's my numbers.
> Firstly x86_64 product-mode, no symbols, code-as-it-is-in-master
>
> code14046
On Thu, 2012-03-08 at 17:05 +, Michael Meeks wrote:
> So - because of the expert skepticism of my estimate of where the
> wasteage is: ie. exception unwind tables, I re-ran my relocstats.pl tool
> (which I've checked in here):
So, here's my numbers.
Firstly x86_64 product-mode, no symbo
Hi Noel,
On Tue, 2012-03-13 at 08:48 +0200, Noel Grandin wrote:
> Just some interesting numbers for this debate.
:-)
> Doing some rough analysis on master:
>
> [1] total number of throw calls 108381
It's really rather smaller than this; a better proxy is:
$ git grep 'throw
I guess so, like I said, very rough numbers.
Happy to re-run the analysis if you can suggest a better approach.
On 2012-03-13 09:19, Stephan Bergmann wrote:
On 03/13/2012 07:48 AM, Noel Grandin wrote:
[1] total number of throw calls 108381
[1] git grep throw | wc -l
Then this number also inc
On 03/13/2012 07:48 AM, Noel Grandin wrote:
[1] total number of throw calls 108381
[1] git grep throw | wc -l
Then this number also includes all the exception specifications in
function declarations/definitions?
Stephan
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Just some interesting numbers for this debate.
Doing some rough analysis on master:
[1] total number of throw calls 108381
[2] total no. of catch blocks 3984
re-throws the same exception 319
throws different exception433
calls generic handler1
On 03/08/2012 06:05 PM, Michael Meeks wrote:
So - there is the 1.9% size saving ~3.3Mb saved (which is a lower bound
- we can do better by being more complete).
Yes, exceptions do come at a cost (in object size). As I already said,
if people consider this cost substantial in the case
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