Hi all,

in the last days I was busy gathering performance data

about the "class Use"-related changes.

I have nice measurements on a 8Gig MacPro with kimwitu++.

This is important to say, because this machine is

in plenty of memory, so swapping is not likely, which

means that in more constrained setups (when swapping

occurs) the use-diet approach is probably producing

even better results.

So here are my values when doing a

cd ~/test-suite/MultiSource/Applications/kimwitu++

time make --always

in the regular trunk and with my changes merged in:

grep "^real" < kimwituRegular.scatter.backup2 | sort

real 1m34.002s

real 1m34.084s

real 1m34.092s

real 1m34.398s

real 1m34.468s

real 1m34.508s

real 1m34.733s

real 1m34.849s

real 1m35.057s

real 1m35.109s

real 1m35.160s

real 1m35.236s

real 1m36.005s

real 1m36.667s

real 1m38.071s

real 1m38.202s

real 1m38.500s

real 1m41.267s

real 1m41.868s

real 1m43.603s

grep "^real" < kimwituDiet.scatter.backup2 | sort

real 1m33.920s

real 1m33.991s

real 1m33.997s

real 1m34.027s

real 1m34.083s

real 1m34.109s

real 1m34.235s

real 1m34.255s

real 1m34.375s

real 1m34.431s

real 1m34.440s

real 1m34.585s

real 1m34.839s

real 1m35.481s

real 1m37.998s

real 1m38.184s

real 1m38.653s

real 1m38.906s

real 1m43.415s

real 1m43.490s

As you can see, the use-diet changes actually lower the build time

of kimwitu++! (this is as of yesterday's r50182).

Parity is not only reached, but surpassed. I am pretty happy

with this

The second thing I wanted to report, that contrary to my previous

announcement there will be *no* API change needed, so there is no

need for conversions in other projects any more.

(The confusion came from my erroneous understanding, at some point,

that the defining value for a GlobalVariable cannot be changed and

must be present on construction.)

Bill asked for memory statistics, I shall get some as I get Shark

running.

If I find the time I can even make some pretty graphs.

All in all, I am on track with merging the branch on trunk

by the end of this week.

Cheers,

Gabor