From an iMac macOS 10.15.5 (19F101): ...SCALAR RESULT: Mflops= 2.915 ; Pi ~ 3.141592 ...ARRAY RESULT: Mflops= 1.047 ; Pi ~ 3.141592
Model Identifier: iMac14,3 Processor Name: Quad-Core Intel Core i7 Processor Speed: 3.1 GHz Number of Processors: 1 Total Number of Cores: 4 Heinz ____________________ > On 07.06.2020, at 12:01, Claus Futtrup <[email protected]> wrote: > > Hi Rafael > > ...SCALAR RESULT: Mflops= 2.737 ; Pi ~ 3.141592 > ...ARRAY RESULT: Mflops= 1.284 ; Pi ~ 3.141592 > > The machine is a two-year old Lenovo T480, Core i7 8th Gen. Built-in Intel > Graphics (no external card) > > /Claus > > On 07-06-2020 09:54, Rafael Guerra wrote: >> Hello Stéphane et al., >> >> Would it make sense in this “Pong contest”, in addition to the OS used, to >> also provide some sort of benchmarking of machine CPU? >> >> Fyi, find below simple test by Gershenfeld (1999), it computes Pi=4*atan(1) >> by two methods: >> Scalar test: Pi(N)~Sum{i=1:N; 0.5/((i-0.75)*(i-0.25))} >> Array test: Pi(N)= Pi(N-1) + 0.5/((N-0.75)*(N-0.25)) >> >> // Based on benchmarking test in Gershenfeld Mathematical modeling book >> (1999) >> // There are 5 floating point operations per step, total 5 Mflop with N=1e6 >> N= 1e6; >> tic(); >> ps= 0; >> for i=1:N >> ps= ps + 0.5/((i-0.75)*(i-0.25)); >> end >> dt=toc(); >> printf('...SCALAR RESULT: Mflops= %4.3f ; Pi ~ %7.6f \n',5.0/dt,ps); >> >> tic(); >> pv(1)= 0.5/((1-0.75)*(1-0.25)); >> for i=2:N >> pv(i)= pv(i-1) + 0.5/((i-0.75)*(i-0.25)); >> end >> dt=toc(); >> printf('...ARRAY RESULT: Mflops= %4.3f ; Pi ~ %7.6f \n',5.0/dt,pv(N)); >> >> >> PS: >> ...SCALAR RESULT: Mflops= 3.489 >> ...ARRAY RESULT: Mflops= 1.367 >> >> Regards, >> Rafael >> >> >> On 05-06-2020 14:48, Stéphane Mottelet wrote: >> Hello all, >> >> As you may have noticed, there is now a little game in the Gaphics/Animation >> section of the demonstrations. As the speed and responsiveness seems to be >> similar under all platforms, it would be funny to launch a little contest. >> In the next Scilab version it would be interesting to implement a high score >> online record, but until then, you can answer this message with the same >> kind of screenshot I joined, showing you score and just taken after the game >> end with and with the last dialog on the figure. >> >> Cheers, >> >> >> _______________________________________________ >> users mailing list >> >> [email protected] >> http://lists.scilab.org/mailman/listinfo/users > > > _______________________________________________ > users mailing list > [email protected] > http://lists.scilab.org/mailman/listinfo/users _______________________________________________ users mailing list [email protected] http://lists.scilab.org/mailman/listinfo/users
