Martin R wrote: > > If you post a concrete example, I can have a look. One thing is that sage > uses ecl, not sbcl. The other thing is that the size of the output might > affect the timing significantly. > > Martin > > Am Montag, 30. Juli 2018 22:32:48 UTC+2 schrieb Waldek Hebisch: > > > > BTW Martin, have you looked at times at > > > > > > https://www.12000.org/my_notes/CAS_integration_tests/index.htm > > > > FriCAS timings are done via Sage and I see much longer times > > than when I run FriCAS directly (of order 25 times longer). > > Why Sage slows down things so much?
The 3 very first examples: https://www.12000.org/my_notes/CAS_integration_tests/reports/rubi_4_15_2/test_cases/0_Independent_test_suites/Apostol_Problems/resu1.htm#1 https://www.12000.org/my_notes/CAS_integration_tests/reports/rubi_4_15_2/test_cases/0_Independent_test_suites/Apostol_Problems/resu2.htm#2 https://www.12000.org/my_notes/CAS_integration_tests/reports/rubi_4_15_2/test_cases/0_Independent_test_suites/Apostol_Problems/resu3.htm#3 all give times 0.208579s, 0.218311s, 0.237783s. In FriCAS I get: (1) -> )set messages time on (1) -> integrate(sqrt(2*x + 1),x) +-------+ (2 x + 1)\|2 x + 1 (1) ------------------- 3 Type: Union(Expression(Integer),...) Time: 0.01 (IN) + 0.02 (EV) + 0.28 (OT) = 0.32 sec (2) -> integrate(sqrt(3*x + 1)*x,x) 2 +-------+ (54 x + 6 x - 4)\|3 x + 1 (2) --------------------------- 135 Type: Union(Expression(Integer),...) Time: 0.00 (IN) + 0.00 (EV) + 0.01 (OT) = 0.02 sec (3) -> integrate(sqrt(x + 1)*x^2,x) 3 2 +-----+ (30 x + 6 x - 8 x + 16)\|x + 1 (3) --------------------------------- 105 Type: Union(Expression(Integer),...) Time: 0.01 (IN) + 0.01 (OT) = 0.02 sec The first time is longer because it includes initialization, the other are much shorter than times reported by Nasser. -- Waldek Hebisch -- You received this message because you are subscribed to the Google Groups "FriCAS - computer algebra system" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/fricas-devel. For more options, visit https://groups.google.com/d/optout.
