On Wed, Sep 08, 2021 at 06:08:53PM +0200, Claudio Jeker wrote:
> On Wed, Sep 08, 2021 at 05:40:31PM +0200, Theo Buehler wrote:
> > On Wed, Sep 08, 2021 at 03:05:41PM +0200, Claudio Jeker wrote:
> > > Looking at profiling information and the code made me realize that these
> > > recallocarray calls growing the array by one every time are unnecessary.
> > > The size of the array is known in advance so use that information and
> > > build it up ahead of time.
> > > 
> > > In the roa case the IP list is double nested and so one still needs to
> > > resize the array but for mft the file-and-hash list is only defined once
> > > per MFT and so calloc can be used there.
> > > 
> > > Works for me, the speed-up is not really noticable but I think this change
> > > is still worth it.
> > 
> > I'm ok with this.
> > 
> > Should we assert after the for loops that we added as many filehashes or
> > addresses as allocated? This is currently more obvious than after this
> > change.
> 
> Hmm. The code is correct even if it loads less elements. It will
> overallocate but with NULL. Also currently the code fails hard if an
> element does not parse. So not sure about that.

I agree with all of that, it was just a suggestion. I'm ok with your
diff as it is.

Reply via email to