Re: [Pharo-users] Fuel serialize of 70MB takes forever on Linux vs. Mac

2017-12-31 Thread Andreas Brodbeck
Am 19.12.17 um 12:06 schrieb Mariano Martinez Peck: > On Tue, Dec 19, 2017 at 7:40 AM, Andreas Brodbeck wrote: > > Hi Andreas, > > Reading the thread nothing obvious comes to my mind. Sorry. My guy feeling > is that some of the primitives used by FLLargeIdentityDicitonary become > slower in late

Re: [Pharo-users] Fuel serialize of 70MB takes forever on Linux vs. Mac

2017-12-22 Thread Mariano Martinez Peck
On Fri, Dec 22, 2017 at 9:40 AM, Andreas Brodbeck wrote: > Am 19.12.17 um 11:40 schrieb Andreas Brodbeck: > > Am 18.12.17 um 20:45 schrieb Henrik-Nergaard: > > > > So: It's not the storage! It's something inside Fuel. I keep > > investigating and will update here. > > ... so here are my latest fi

Re: [Pharo-users] Fuel serialize of 70MB takes forever on Linux vs. Mac

2017-12-22 Thread Andreas Brodbeck
Am 19.12.17 um 11:40 schrieb Andreas Brodbeck: > Am 18.12.17 um 20:45 schrieb Henrik-Nergaard: > > So: It's not the storage! It's something inside Fuel. I keep > investigating and will update here. ... so here are my latest findings: I took both images onto the same machine, a Mac. And these are

Re: [Pharo-users] Fuel serialize of 70MB takes forever on Linux vs. Mac

2017-12-19 Thread Mariano Martinez Peck
On Tue, Dec 19, 2017 at 7:40 AM, Andreas Brodbeck wrote: > Am 18.12.17 um 20:45 schrieb Henrik-Nergaard: > > Hi Andreas, > > > > It looks like you may have problems with hash collisions > > FLLargeIdentityDictionary. > > What are the tally sizes of the FLLargeIdentityDicitonary used when you > >

Re: [Pharo-users] Fuel serialize of 70MB takes forever on Linux vs. Mac

2017-12-19 Thread Andreas Brodbeck
Am 18.12.17 um 20:45 schrieb Henrik-Nergaard: > Hi Andreas, > > It looks like you may have problems with hash collisions > FLLargeIdentityDictionary. > What are the tally sizes of the FLLargeIdentityDicitonary used when you > serialize? (If these have a tally larger than ~ 75% of the available siz

Re: [Pharo-users] Fuel serialize of 70MB takes forever on Linux vs. Mac

2017-12-18 Thread Ben Coman
On 19 December 2017 at 00:35, Andreas Brodbeck wrote: > Hi all! > > I have a performance problem with Fuel (latest stable) on a Pharo 6.1 > (32bit) on Ubuntu 16.04.3 LTS. The serialization and storage to disk of > 70MB of data takes more than 6 minutes! While the same task on an > equally powerfu

Re: [Pharo-users] Fuel serialize of 70MB takes forever on Linux vs. Mac

2017-12-18 Thread Henrik-Nergaard
Hi Andreas, It looks like you may have problems with hash collisions FLLargeIdentityDictionary. What are the tally sizes of the FLLargeIdentityDicitonary used when you serialize? (If these have a tally larger than ~ 75% of the available size (4096 items), then there may well be some performance lo

[Pharo-users] Fuel serialize of 70MB takes forever on Linux vs. Mac

2017-12-18 Thread Andreas Brodbeck
Hi all! I have a performance problem with Fuel (latest stable) on a Pharo 6.1 (32bit) on Ubuntu 16.04.3 LTS. The serialization and storage to disk of 70MB of data takes more than 6 minutes! While the same task on an equally powerful Mac takes only 1.5 minutes. My observation was, that on Linux it