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Performance analysis (trunk repository)
---------------------------------------
May 21, 2008: New version of CoRN
(needs +84% more time to compile)
Apr 25-29, 2008: Temporary attempt with delta in eauto (Matthieu)
(+28% CoRN)
Apr 17, 2008: improvement probably due to commit 10807 or 10813 (bug
fixes, control of zeta in rewrite, auto (??))
(-18% Buchberger, -40% PAutomata, -28% IntMap, -43% CoRN, -13% LinAlg,
but CatsInZFC -0.5% only, PiCalc stable, PersistentUnionFind -1%)
Mar 11, 2008:
(+19% PersistentUnionFind wrt Mar 3, +21% Angles,
+270% Continuations between 7/3 and 18/4)
Mar 7, 2008:
(-10% PersistentUnionFind wrt Mar 3)
Feb 20, 2008: temporary 1-day slow down
(+64% LinAlg)
Feb 14, 2008:
(-10% PersistentUnionFind, -19% Groups)
Feb 7, 8, 2008: temporary 2-days long slow down
(+20 LinAlg, +50% BDDs)
Feb 2, 2008: many updates of the module system
(-13% LinAlg, -50% AMM11262, -5% Goedel, -1% PersistentUnionFind,
-42% ExactRealArithmetic, -41% Icharate, -42% Kildall, -74% SquareMatrices)
Jan 1, 2008: merge of TypeClasses branch
(+8% PersistentUnionFind, +36% LinAlg, +76% Goedel)
Nov 16, 17, 2007:
(+18% Cantor, +4% LinAlg, +27% IEEE1394 on 2 days)
Nov 8, 2007:
(+18% Cantor, +16% LinAlg, +55% Continuations, +200% IEEE1394, +170% CTLTCTL,
+220% SquareMatrices)
Oct 29, V8.1 (+ 3% geometry but CoRN, Godel, Kildall, Stalmark stables)
Between Oct 12 and Oct 27, 2007: inefficiency temporarily introduced in the
tactic interpreter (from revision 10222 to 10267)
(+22% CoRN, +10% geometry, ...)
Sep 16, 2007:
(+16% PersistentUnionFind on 3 days, LinAlg stable,
Sep 4, 2007:
(+26% PersistentUnionFind, LinAlg stable,
Jun 6, 2007: optimization of the need for type unification in with-bindings
(-3.5% Stalmark, -6% Kildall)
May 20, 21, 22, 2007: improved inference of with-bindings (including activation
of unification on types)
(+4% PICALC, +5% Stalmark, +7% Kildall)
May 11, 2007: added primitive integers (+6% CoLoR, +7% CoRN, +5% FSets, ...)
Between Feb 22 and March 16, 2007: bench temporarily moved on JMN's
computer (-25% CoRN, -25% Fairisle, ...)
Oct 29 and Oct 30, 2006: abandoned attempt to add polymorphism on definitions
(+4% in general during these two days)
Oct 17, 2006: improvement in new field [r9248]
(QArith -3%, geometry: -2%)
Oct 5, 2006: fixing wrong unification of Meta below binders
(e.g. CatsInZFC: +10%, CoRN: -2.5%, Godel: +4%, LinAlg: +7%,
DISTRIBUTED_REFERENCE_COUNTING: +10%, CoLoR: +1%)
Sep 26, 2006: new field [r9178-9181]
(QArith: -16%, geometry: -5%, Float: +6%, BDDS:+5% but no ring in it)
Sep 12, 2006: Rocq/AREA_METHOD extended (~ 530s)
Aug 12, 2006: Rocq/AREA_METHOD added (~ 480s)
May 30, 2006: Nancy/CoLoR added (~ 319s)
May 23, 2006: new, lighter version of polymorphic inductive types
(CoRN: -27%, back to Mar-24 time)
May 17, 2006: changes in List.v (DISTRIBUTED_REFERENCE_COUNTING: -)
May 5, 2006: improvement in closure (array instead of lists)
(e.g. CatsInZFC: -10%, CoRN: -3%,
May 23, 2006: polymorphic inductive types (precise, heavy algorithm)
(CoRN: +37%)
Dec 29, 2005: new test and use of -vm in Stalmarck
Dec 27, 2005: contrib Karatsuba added (~ 30s)
Dec 28, 2005: size decrease
mainly due to Defined moved to Qed in FSets (reduction from 95M to 7Mo)
Dec 1-14, 2005: benchmarking server down
between the two dates: Godel: -10%, CoRN: -10%
probably due to changes around vm (new informative Cast,
change of equality in named_context_val)
Oct 6, 2005: contribs IPC and Tait added (~ 22s and ~ 25s)
Aug 19, 2005: time decrease after application of "Array.length x=0" Xavier's
suggestions for optimisation
(e.g. Nijmegen/QArith: -3%, Nijmegen/CoRN: -7%, Godel: -3%)
Aug 1, 2005: contrib Kildall added (~ 65s)
Jul 26-Aug 2, 2005: bench down
Jul 14-15, 2005: 4 contribs failed including CoRN
Jul 14, 2005: time increase after activation of "closure optimisation"
(e.g. Nijmegen/QArith: +8%, Nijmegen/CoRN: +3%, Godel: +13%)
Jul 7, 2005: adding contrib Fermat4
Jun 17, 2005: contrib Goodstein extended and moved to CantorOrdinals (~ 30s)
May 19, 2005: contrib Goodstein and prfx (~ 9s) added
Apr 21, 2005: strange time decrease
(could it be due to the change of Back and Reset mechanism)
(e.g. Nijmegen/CoRN: -2%, Nijmegen/QARITH: -4%, Godel: -11%)
Mar 20, 2005: fixed Logic.with_check bug
global time decrease (e.g. Nijmegen/CoRN: -3%, Nijmegen/QARITH: -1.5%)
Jan 31-Feb 8, 2005: small instability
(e.g. CoRN: ~2015s -> ~1999s -> ~2032s, Godel: ~340s -> ~370s)
Jan 13, 2005: contrib SumOfTwoSquare added (~ 38s)
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