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bug#41194: 28.0.50; [feature/native-comp] fibn benchmark exhausts memory
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From: |
Andrea Corallo |
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Subject: |
bug#41194: 28.0.50; [feature/native-comp] fibn benchmark exhausts memory |
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Date: |
Sun, 14 Jun 2020 21:45:03 +0000 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) |
Kévin Le Gouguec <kevin.legouguec@gmail.com> writes:
> Andrea Corallo <akrl@sdf.org> writes:
>
>> this is very good new thanks! If I read correctly we are always under
>> about 600MB as memory consumption is this correct?
>
> Yep. I can post the detailed data here if that's needed; here are the
> 10 files that took the most virtual memory (vsz):
>
> 1. org/org.el 541.2 MB
> 2. gnus/gnus-sum.el 459.3 MB
> 3. emacs-lisp/comp.el 455.2 MB
> 4. net/tramp.el 408.2 MB
> 5. net/tramp-adb.el 390.4 MB
> 6. net/tramp-sh.el 371.0 MB
> 7. progmodes/cperl-mode.el 356.2 MB
> 8. ../lisp/window.el 348.9 MB
> 9. gnus/message.el 345.4 MB
> 10. net/soap-client.el 344.4 MB
Cool, I guess means should be buildable at -j3 with 2GB of ram.
> And the 10 files that took the most resident memory (rss):
>
> 1. org/org.el 361.6 MB
> 2. emacs-lisp/comp.el 287.3 MB
> 3. gnus/gnus-sum.el 286.7 MB
> 4. net/tramp.el 236.8 MB
> 5. net/tramp-adb.el 218.1 MB
> 6. net/tramp-sh.el 199.0 MB
> 7. progmodes/cperl-mode.el 185.0 MB
> 8. ../lisp/window.el 181.6 MB
> 9. gnus/message.el 174.0 MB
> 10. erc/erc.el 173.5 MB
>
>> I suspect we are still looking at a speed 3 run. How comp-speed was set
>> for the test?
>>
>> I ask that because for now speed 3 is written into the stone within
>> elisp-benchmarks.el, yeah... :/ and so has to be manually changed there.
>
> Now that's just sneaky 😛
Well... we can also just call it bad :)
> * Results
> ** master
>
> #+TBLNAME: master
> | test | non-gc avg (s) | gc avg (s) | gcs avg | tot avg (s) | tot
> avg err (s) |
>
> |----------------+----------------+------------+---------+-------------+-----------------|
> | bubble-no-cons | 118.41 | 0.23 | 3 | 118.63 |
> 0.36 |
> | bubble | 46.29 | 29.34 | 388 | 75.63 |
> 0.36 |
> | dhrystone | 74.82 | 0.00 | 0 | 74.82 |
> 0.34 |
> | fibn-rec | 59.50 | 0.00 | 0 | 59.50 |
> 0.28 |
> | fibn-tc | 147.39 | 96.86 | 1179 | 244.26 |
> 2.70 |
> | fibn | 320.33 | 276.23 | 3442 | 596.56 |
> 5.31 |
> | flet | 112.02 | 0.00 | 0 | 112.02 |
> 0.29 |
> | inclist | 166.30 | 0.00 | 0 | 166.30 |
> 0.67 |
> | listlen-tc | 76.97 | 0.00 | 0 | 76.97 |
> 0.53 |
> | map-closure | 81.86 | 0.00 | 0 | 81.86 |
> 0.31 |
> | nbody | 28.62 | 98.53 | 1303 | 127.14 |
> 0.21 |
> | pcase | 110.63 | 0.00 | 0 | 110.63 |
> 0.29 |
> | pidigits | 61.78 | 39.46 | 469 | 101.24 |
> 0.70 |
> |----------------+----------------+------------+---------+-------------+-----------------|
> | total | 1404.92 | 540.65 | 6786 | 1945.57 |
> 6.13 |
> ** feature/native-comp
>
> #+TBLNAME: feature/native-comp
> | test | non-gc avg (s) | gc avg (s) | gcs avg | tot avg (s) | tot
> avg err (s) |
>
> |----------------+----------------+------------+---------+-------------+-----------------|
> | bubble-no-cons | 30.12 | 0.16 | 2 | 30.28 |
> 0.04 |
> | bubble | 18.05 | 27.91 | 352 | 45.96 |
> 0.33 |
> | dhrystone | 34.26 | 0.00 | 0 | 34.26 |
> 0.05 |
> | fibn-rec | 26.92 | 0.00 | 0 | 26.92 |
> 0.03 |
> | fibn-tc | 98.66 | 93.89 | 1096 | 192.55 |
> 1.66 |
> | fibn | 253.19 | 269.12 | 3192 | 522.31 |
> 2.17 |
> | flet | 22.92 | 0.00 | 0 | 22.92 |
> 0.04 |
> | inclist | 11.76 | 0.00 | 0 | 11.76 |
> 0.16 |
> | listlen-tc | 21.44 | 0.00 | 0 | 21.44 |
> 0.05 |
> | map-closure | 80.57 | 0.00 | 0 | 80.57 |
> 0.03 |
> | nbody | 15.62 | 95.66 | 1212 | 111.28 |
> 0.10 |
> | pcase | 17.64 | 0.00 | 0 | 17.64 |
> 0.03 |
> | pidigits | 59.82 | 38.86 | 436 | 98.68 |
> 0.39 |
> |----------------+----------------+------------+---------+-------------+-----------------|
> | total | 690.98 | 525.59 | 6291 | 1216.57 |
> 2.79 |
> ** ratio
> | test | non-gc avg (s) | gc avg (s) | gcs avg | tot avg (s) |
> |----------------+----------------+------------+---------+-------------|
> | bubble-no-cons | 3.92 | 1.44 | 1.5 | 3.93 |
> | bubble | 2.56 | 1.05 | 1.1 | 1.64 |
> | dhrystone | 2.18 | | | 2.18 |
> | fibn-rec | 2.21 | | | 2.21 |
> | fibn-tc | 1.49 | 1.03 | 1.07 | 1.26 |
> | fibn | 1.26 | 1.03 | 1.08 | 1.14 |
> | flet | 4.89 | | | 4.89 |
> | inclist | 14.1 | | | 14.1 |
> | listlen-tc | 3.6 | | | 3.6 |
> | map-closure | 1.02 | | | 1.02 |
> | nbody | 1.83 | 1.03 | 1.07 | 1.14 |
> | pcase | 6.31 | | | 6.31 |
> | pidigits | 1.03 | 1.02 | 1.08 | 1.02 |
> |----------------+----------------+------------+---------+-------------|
> | total | 2.03 | 1.03 | 1.08 | 1.6 |
>
> #+TBLFM: @2$2..@>$> = if (remote(feature/native-comp,@@#$$#)!=0,
> remote(master,@@#$$#)/remote(feature/native-comp,@@#$$#), string("")); p3
That's not bad for speed 2, GC and funcall are eating part of the perf,
probably with bigger function bodies we would see more delta.
>
> Conclusion: I'm closing this report! Again, thank you for your efforts.
>
> (And thank you for this opportunity to learn about Org spreadsheets 😉)
Thanks for your inputs!
Andrea
--
akrl@sdf.org