Re: [lfs-support] build time comparison

2020-03-06 Thread Ken Moffat
On Fri, Mar 06, 2020 at 07:42:39AM -0600, Rob wrote: > Ken Moffat wrote: > But for your SSD I'm guessing that you might not be using fstrim > (either manually, or the ',discard' option in the fstab), and > therefore writing a new block means it has sufficiently filled up > that it needs to

Re: [lfs-support] build time comparison

2020-03-06 Thread Bruce Dubbs
On 3/6/20 6:11 AM, Thomas Seeling wrote: Hallo, I did some comparing of build times. Building was done on an older i5-6500 with 16 GB RAM, SATA harddisk and SSD. 9.1 build on SSD: The SBU unit value is equal to 117 seconds. Total time required to build the system:79.6 SBU

Re: [lfs-support] build time comparison

2020-03-06 Thread Thomas Seeling
Hallo Ken, >> 9.1 build on SSD: >> The SBU unit value is equal to 117 seconds. >> Total time required to build the system: 79.6 SBU > The SBU in LFS is related to the _host_ system I build LFS on its older version. If it works I build with that LFS to the 2nd partition (I'm using a

Re: [lfs-support] build time comparison

2020-03-06 Thread Rob
Ken Moffat wrote: But for your SSD I'm guessing that you might not be using fstrim (either manually, or the ',discard' option in the fstab), and therefore writing a new block means it has sufficiently filled up that it needs to shuffle things about. I thought that trim stuff was all handled

[lfs-support] build time comparison

2020-03-06 Thread Thomas Seeling
Hallo, I did some comparing of build times. Building was done on an older i5-6500 with 16 GB RAM, SATA harddisk and SSD. 9.1 build on SSD: The SBU unit value is equal to 117 seconds. Total time required to build the system:79.6 SBU 8.3 build on HD: The SBU unit value is equal