Thanks for your quick response. But I don’t think intern will suits here. I mean my program need to create 1 billion instances of Data class. And all of them are different.
在 2014年10月19日，下午9:22，Vijay Saraswat <vi...@saraswat.org> 写道： > Not sure I am following you. > > Which of the billion instances do u want to eliminate? > > You could write a small piece of code to intern objects yourself, but > since you also have a field you need to mutate you need to think > carefully how u are going to manage mutation and sharing. > > (Interning is fairly well understood for Java-like languages -- u can > start with > http://stackoverflow.com/questions/7035659/good-pattern-for-creating-an-object-that-supports-interning > ) > > On 10/19/14, 8:48 AM, WangChen wrote: >> Hi, >> >> I have a class named Data and it has some basic field like this: >> >> class Data { >> val i:Int; >> val j:Int; >> var flag: Boolean; >> var value: Int; >> // other fields and methods >> } >> >> My program will create many instances of Data, lets say 1 billion, which >> will cost a lot of memory since every instance need extra spaces. >> >> And i can’t use structs here because they are immutable but i need to update >> fields of it. >> >> So what can i do here ? >> Is there a way to manage memory explicitly? >> >> >> >> >> ------------------------------------------------------------------------------ >> Comprehensive Server Monitoring with Site24x7. >> Monitor 10 servers for $9/Month. >> Get alerted through email, SMS, voice calls or mobile push notifications. >> Take corrective actions from your mobile device. >> http://p.sf.net/sfu/Zoho >> _______________________________________________ >> X10-users mailing list >> X10-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/x10-users > > > ------------------------------------------------------------------------------ > Comprehensive Server Monitoring with Site24x7. > Monitor 10 servers for $9/Month. > Get alerted through email, SMS, voice calls or mobile push notifications. > Take corrective actions from your mobile device. > http://p.sf.net/sfu/Zoho > _______________________________________________ > X10-users mailing list > X10-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/x10-users ------------------------------------------------------------------------------ Comprehensive Server Monitoring with Site24x7. Monitor 10 servers for $9/Month. Get alerted through email, SMS, voice calls or mobile push notifications. Take corrective actions from your mobile device. http://p.sf.net/sfu/Zoho _______________________________________________ X10-users mailing list X10-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/x10-users
