On Wed, Jul 2, 2014 at 12:22 PM, Eliot Miranda <eliot.mira...@gmail.com> wrote:
> > > > On Wed, Jul 2, 2014 at 11:43 AM, kilon alios <kilon.al...@gmail.com> > wrote: > >> 0.00000000549181 seconds per message is just insanely low number . This >> is not even in the realm of nanoseconds. Is this number real ? Because I >> am very skeptical that one can get this kind of performance from a dynamic >> language even with a JIT VM. >> > > Here's a measurement on my 2.2GHz Mac Book Pro Core i7: > > | r | {[r := 34 benchFib] timeToRun. r} #(140 18454929) > > benchFib is nfib that adds one for each call, so the answer is the number > of calls necessary to compute the answer. > > benchFib ^self < 2 ifTrue: [1] ifFalse: [(self-1) benchFib + (self-2) > benchFib + 1] > > So that's 18 million calls in 140 milliseconds, or about 132 calls per > microsecond. That's indeed in the realm of nanoseconds, 13.2 nsecs per > call. > Ugh, let me try again... that's 184549290 / 0.14 = 1.3182092142857141e9 calls per second, which is 0.76 nsecs per call. > > > >> >> On Wed, Jul 2, 2014 at 9:08 PM, Camille Teruel <camille.ter...@gmail.com> >> wrote: >> >>> >>> A spur image :) awesome !! >>> Thanks Esteban & Guille! >>> I'll start adapting the new class builder to Spur next wednesday when I >>> come back from holidays. >>> >>> On 2 juil. 2014, at 16:13, Esteban Lorenzano <esteba...@gmail.com> >>> wrote: >>> >>> > Hi, >>> > >>> > I’ve been working on prepare Pharo to run with the new Spur VM… and >>> finally this week Guille and I sit together and make a huge advance :) >>> > here a screenshot of pharo 4 running with spur: >>> > <Screen Shot 2014-07-02 at 15.58.17.png> >>> > for more information, same image before migration, with a regular >>> cogvm gives this numbers: '1297023432 bytecodes/sec; 161029354 sends/sec’, >>> so that means that the tiny benchmarks run at 166% the speed of the old vm… >>> > Of course this is just one benchmark, but I’m very impressed :) >>> > >>> > Now, it is still not usable but I’m confident I can put a jenkins job >>> to work very soon :) >>> > >>> > Esteban >>> > >>> > ps: before you start asking: Spur WILL NOT be available for Pharo3, it >>> will be part of Pharo4. >>> > >>> > >>> > >>> >>> >>> >> > > > -- > best, > Eliot > -- best, Eliot