Romano:
> I suspect (i'm sure :-) you use a not-beta Rebol release. I have similar
> results under 1.2.3.1.3.
> Automatic Rebol memory allocation until 1.2.3 is buggy and to limit
problems,
>
> blocks need to be preallocated with make block!.
Quite right -- I haven't been using the beta. That's because the main
application I support crashes under it. That's crashes as in....
REBOL caused an invalid page fault in
module REBOL.EXE at 0167:00429bb9.
....and bye, bye console. Feedback know. I'll try again in the next beta.
But I have just run my collection of benchmarks under the beta and it shows
(in most cases) the beta is substantially faster.
I have all five "Loius sort" solutions in one file, and I ran the tests as
loop 5 [do %sort-test.r]
This doesn't just test the different solutions in isolation. It also sees how
well they run in an increasing aged (and possibly memory-fragmented) console.
1.2.1.3.1 -- Current release
1.2.5.3.1 -- Latest beta
6.82 -- Romano's sort one big block -- Current release
7.16
6.81
6.92
7.09
0.72 -- Romano's sort one big block -- Beta
0.88
0.94
0.89
0.94
59.04 -- Sunanda's parse in the Sort -- Current release
96.94
99.19
100.29
103.31
63.07 -- Sunanda's parse in the Sort -- beta
103.43
107.16
106.94
111.56
9.34 -- Gregg's parse before the sort -- Current release
9.78
9.07
9.73
9.28
1.65 -- Gregg's parse before the sort -- Beta
2.03
2.09
2.03
2.03
2.41 -- Scott's index sort -- Current release
2.64
2.58
2.53
2.58
1.10 -- Scott's index sort -- Beta
1.21
1.20
1.15
1.21
2.36 -- Joel's bridge sort -- Current release
2.31
2.52
2.36
2.53
0.60 -- Joel's bridge sort -- Beta
0.60
0.60
0.66
0.60
As you can see, we are all faster by a factor of several, except me - I just
keep getting slower and slower.
As you suggest, Romano, there seems to be less evidence for a systematic slow
down in the beta. Although in all cases (except Joel) out second time round
was much slower.
Sunanda.
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