Dino, Klaus, just a small question: Could it be the coroutines (yield statement) implementation in C# that would slow down the simpy simulation?
Thanks, Stan. Dino Viehland a écrit : > Klaus, > > You're correct in that we didn't do a whole lot of performance tuning > from the betas to RC. Jim did a little bit of work based upon some small > repros that were easy to pick apart. For the most part though everyone else > was focused on fixing various incompatabilities. Now that we're at 1.0 RC > we'll only be fixing major bugs that are blocking issues. > > Hopefully in the future we'll have an opportunity to drill into this. > Also if you see any hot spots that can be isolated into simple repros then > it'd be much easier for us to look at those issues rather than all of SimPy. > > Thanks for see keeping the numbers coming - it's good to see we've > improved a small amount, hopefully we can improve a lot more in the future. > > -----Original Message----- > From: Klaus Muller [mailto:[EMAIL PROTECTED] > Sent: Friday, July 28, 2006 4:14 AM > To: Dino Viehland; 'Discussion of IronPython'; [EMAIL PROTECTED]; > 'Simpy-Developer List' > Subject: FW: [Simpy-users] RE: [IronPython] SimPy on IronPython timing test > > Dino, > I was happy to see the announcement of the IronPython 1.0 Release Candidate. > I downloaded and ran the same test as indicated in my message of February > 14, i.e. > > from SimPy.Simulation import * > import time > > class Dum(Process): > def run(self): > yield hold,self,3 > initialize() > nrProcs=int(raw_input("Nr of processes?")) > processes=[Dum("Dum%s"%x) for x in range(1,nrProcs)] > > for i in range(nrProcs): > p=Dum("%s"%i) > activate(p,p.run(),at=i) > > tStart=(time.clock(),time.time()) > simulate(until=2*nrProcs) > print "Ran in %s seconds for %s > processes"%((time.clock()-tStart[0],time.time()-tStart[1]),nrProcs) > raw_input("Hit any key . . .") > > Here are the results: > > Nr processes=10000 > ------------------ > IronPython RC: 1.82 seconds (Beta 2: 2.06 seconds) > Cpython 2.3: 0.47 seconds > > Nr processes=50000 > ------------------ > IronPython rc: 14.19 seconds (Beta 2: 15.53 seconds) > Cpython 2.3: 3.67 seconds > > So, the RC's runtime performance is slightly better than that of Beta 2, but > there is still a significant speed advantage for CPython. > > I have the impression that not much has been done on IronPython performance > tuning. > > Best regards, > > Klaus Müller > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Klaus Muller > Sent: Wednesday, February 15, 2006 3:30 PM > To: 'Dino Viehland'; 'Discussion of IronPython'; > [EMAIL PROTECTED]; 'Simpy-Developer List' > Subject: RE: [Simpy-users] RE: [IronPython] SimPy on IronPython timing test > > Dino, > Fully understood! IronPython looks good for such an early version! > > I am looking forward to future releases of IronPython for performance, but > continue trying the beta out with SimPy in the meantime. > > Klaus Müller > >> -----Original Message----- >> From: [EMAIL PROTECTED] >> [mailto:[EMAIL PROTECTED] On Behalf Of Dino >> Viehland >> Sent: Tuesday, February 14, 2006 6:01 PM >> To: Discussion of IronPython; >> [EMAIL PROTECTED]; 'Simpy-Developer List' >> Subject: [Simpy-users] RE: [IronPython] SimPy on IronPython timing >> test >> >> Thanks for the report Klaus. Currently we're mostly focused on >> correctness but later in the beta cycle we're going to come back and >> target perf pretty heavily. I've gone ahead and filed this in our bug >> database so we won't miss it when we get to that point. >> >> >> Do you want to help develop Dynamic languages on CLR? >> (http://members.microsoft.com/careers/search/details.aspx?JobI >> D=6D4754DE-11F0-45DF-8B78-DC1B43134038) >> -----Original Message----- >> From: [EMAIL PROTECTED] >> [mailto:[EMAIL PROTECTED] On Behalf Of Klaus Muller >> Sent: Wednesday, February 01, 2006 10:57 PM >> To: [EMAIL PROTECTED]; 'Simpy-Developer List' >> Cc: [email protected] >> Subject: [IronPython] SimPy on IronPython timing test >> >> All: >> I have run a first simple benchmark to compare SimPy under >> IronPython with SimPy under CPython. I ran the following program: >> >> from SimPy.Simulation import * >> import time >> >> class Dum(Process): >> def run(self): >> yield hold,self,3 >> initialize() >> nrProcs=int(raw_input("Nr of processes?")) >> processes=[Dum("Dum%s"%x) for x in range(1,nrProcs)] >> >> for i in range(nrProcs): >> p=Dum("%s"%i) >> activate(p,p.run(),at=i) >> >> tStart=(time.clock(),time.time()) >> simulate(until=2*nrProcs) >> print "Ran in %s seconds for %s >> processes"%((time.clock()-tStart[0],time.time()-tStart[1]),nrProcs) >> raw_input("Hit any key . . .") >> >> Here are the results: >> >> Nr processes=10000 >> ------------------ >> IronPython: 2.06 seconds >> CPython: 0.5 seconds >> >> Nr processes=50000 >> ------------------ >> IronPython: 15.53 seconds >> CPython: 3.67 seconds >> >> At this moment, IronPython is clearly way slower than CPython >> on this benchmark. >> >> Clearly, it is early days for IronPython (this was run under >> beta release 2) and its developers will surely still optimize >> its performance a lot. >> >> If Microsoft actually support IronPython, this will be an >> important SimPy platform in the future and we will have to >> watch its further development. >> >> Klaus Müller >> >> >> ------------------------------------------------------- >> This SF.net email is sponsored by: Splunk Inc. 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