Re: PCI-e SSD recommendation for a F22 machine

2015-09-04 Thread Ian Malone
On 2 September 2015 at 21:45, Ranjan Maitra wrote: > Hi, > > I was wondering if it is possible to use a PCI-e SSD for the root and swap > partitions of a workstation running F22. I am thinking of installing F22 and > my swap here -- the machine has 64GB memory. So

Re: PCI-e SSD recommendation for a F22 machine

2015-09-04 Thread Ian Malone
On 4 September 2015 at 13:50, Ranjan Maitra wrote: > Hi, > > On Fri, 4 Sep 2015 10:33:16 +0100 Ian Malone wrote: > >> On 2 September 2015 at 21:45, Ranjan Maitra >> wrote: >> > Hi, >> > >> > I was wondering if it

Re: PCI-e SSD recommendation for a F22 machine

2015-09-04 Thread Ranjan Maitra
Hi, On Fri, 4 Sep 2015 10:33:16 +0100 Ian Malone wrote: > On 2 September 2015 at 21:45, Ranjan Maitra > wrote: > > Hi, > > > > I was wondering if it is possible to use a PCI-e SSD for the root and swap > > partitions of a workstation running

Re: PCI-e SSD recommendation for a F22 machine

2015-09-04 Thread François Patte
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Le 02/09/2015 22:45, Ranjan Maitra a écrit : > Hi, > > I was wondering if it is possible to use a PCI-e SSD for the root > and swap partitions of a workstation running F22. I am thinking of > installing F22 and my swap here -- the machine has 64GB

Re: PCI-e SSD recommendation for a F22 machine

2015-09-04 Thread Mihamina Rakotomandimby
On 09/04/2015 03:50 PM, Ranjan Maitra wrote: Out of curiosity, what are you doing that needs that much memory? I >was going to say with 64GB you probably don't need swap until I saw >how much you were planning to allocate... I do a lot of computing with my computers. Some of the alternative

Re: PCI-e SSD recommendation for a F22 machine

2015-09-04 Thread Joe Zeff
On 09/04/2015 08:18 AM, Mihamina Rakotomandimby wrote: There was a time, a long time ago, when I compiled the kernel, -O2 and -O3 lead me to different misbehaviour. Being "old" now, I dont compile my kernel anymore ;- I can remember when the only way to upgrade the kernel was to download the

Re: PCI-e SSD recommendation for a F22 machine

2015-09-04 Thread Ranjan Maitra
On Fri, 4 Sep 2015 09:20:24 -0700 Joe Zeff wrote: > On 09/04/2015 08:18 AM, Mihamina Rakotomandimby wrote: > > There was a time, a long time ago, when I compiled the kernel, -O2 and > > -O3 lead me to different misbehaviour. > > Being "old" now, I dont compile my kernel anymore ;-

Re: PCI-e SSD recommendation for a F22 machine

2015-09-04 Thread Ralf Corsepius
On 09/04/2015 04:58 PM, Ranjan Maitra wrote: I used gcc with -O3 or -Ofast. Any suggestions on this? Stay with -O2 unless you precisely know what you are doing. Playing with -O3 and -Ofast may squeeze out some usecs somewhere, but because you are using less used and tested paths of the

Re: PCI-e SSD recommendation for a F22 machine

2015-09-04 Thread Ranjan Maitra
> If I take the traditional computing scheme, such as compiling the Linux > kernel, much of the need is to also have fast storage in the code source > tree. > > Depending on what compiler you use and what option you give it, the I/O > generated by object files (just an example) would kill your

Re: PCI-e SSD recommendation for a F22 machine

2015-09-04 Thread Mihamina Rakotomandimby
On 09/04/2015 05:58 PM, Ranjan Maitra wrote: If I take the traditional computing scheme, such as compiling the Linux kernel, much of the need is to also have fast storage in the code source tree. Depending on what compiler you use and what option you give it, the I/O generated by object files

Re: PCI-e SSD recommendation for a F22 machine

2015-09-04 Thread Joe Zeff
On 09/04/2015 09:33 AM, Ranjan Maitra wrote: I think you are giving me more credit than you should. I do not compile anything to do with the kernel or anything for that matter that comes from the Fedora repos. I was just talking about compiling my own source code. No, not really. I was just

Re: PCI-e SSD recommendation for a F22 machine

2015-09-04 Thread Michael Hennebry
On Fri, 4 Sep 2015, Ranjan Maitra wrote: I used gcc with -O3 or -Ofast. Any suggestions on this? If you mean -ffast-math, I'd recommend against. Among other things, it enables -funsafe-math, which means what it says. -- Michael henne...@web.cs.ndsu.nodak.edu "Sorry but your password must

PCI-e SSD recommendation for a F22 machine

2015-09-02 Thread Ranjan Maitra
Hi, I was wondering if it is possible to use a PCI-e SSD for the root and swap partitions of a workstation running F22. I am thinking of installing F22 and my swap here -- the machine has 64GB memory. So I am considering getting a 128 GB PCI-e SSD, and leaving 96 GB for swap and 32 GB for /.