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From: Martin Gainty <mgainty@hotmail.com>
To: <user@commons.apache.org>
Subject: RE: [Primitives] Does anyone use this?
Date: Tue, 2 Nov 2010 13:41:23 -0400
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Brian
=20
how does primitive collections implementation perform better than JDK colle=
ctions?

thanks=2C
Martin=20
______________________________________________=20
please do not alter or disrupt this transmission. thank you


=20

> Subject: Re: [Primitives] Does anyone use this?
> From: brian@pontarelli.com
> Date: Tue=2C 2 Nov 2010 11:32:01 -0600
> To: user@commons.apache.org
>=20
> I would assume once you get out of the autoboxing caches the performance =
will get even worse. It really depends on the application=2C but I've found=
 a number of spots where primitive collections work much better than autobo=
xing and JDK collections.
>=20
> -bp
>=20
>=20
> On Nov 2=2C 2010=2C at 11:25 AM=2C James Carman wrote:
>=20
> > Yet another dependency to add to the mix.
> >=20
> > On Tue=2C Nov 2=2C 2010 at 1:17 PM=2C Cogen=2C David - 1008 - MITLL
> > <cogen@ll.mit.edu> wrote:
> >>=20
> >> ________________________________________
> >> From: jcarman@carmanconsulting.com [jcarman@carmanconsulting.com] On B=
ehalf Of James Carman [james@carmanconsulting.com]
> >> Sent: Tuesday=2C November 02=2C 2010 12:30 PM
> >> To: Commons Users List
> >> Subject: Re: [Primitives] Does anyone use this?
> >>=20
> >> Premature optimization with JDK5. I'd say stick to the JDK classes if
> >> you can and only try to beef up space/performance if you need to.
> >>=20
> >>=20
> >> Normally I agree about evils of premature optimization. But ArrayListI=
nt is practically a drop-in replacement for ArrayList<Integer> and I see no=
 reason not to use it if it is supported and reliable.
> >>=20
> >> My test of 2 billion accesses (reads and writes) ran in 35% of the tim=
e when I used ArrayListInt vs. ArrayList<Integer>.
> >> ---------------------------------------------------------------------
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> >> For additional commands=2C e-mail: user-help@commons.apache.org
> >>=20
> >>=20
> >=20
> > ---------------------------------------------------------------------
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> >=20
>=20
>=20
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>=20
 		 	   		  =

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