Re: [oi-dev] OI Hipster 2018.10 snapshot

2018-10-31 Thread Volker A. Brandt
Bob Friesenhahn writes: > On Wed, 31 Oct 2018, Volker A. Brandt wrote: > > > > John is absolutely right. The numbers speak for themselves. :-) > > I see only relatively small compression gains so the content must be > partially compressed already, or does not compress well. Well, >100 MB per fi

Re: [oi-dev] OI Hipster 2018.10 snapshot

2018-10-31 Thread Bob Friesenhahn
On Wed, 31 Oct 2018, gon...@comcast.net wrote: It is hard to compare compression savings without specifying the data set used.The Silesia or Calgary corpus could be used as the reference set. Both the compressibility ratio and the compression performance is highly data content dependent. In

Re: [oi-dev] OI Hipster 2018.10 snapshot

2018-10-31 Thread gon...@comcast.net
It is hard to compare compression savings without specifying the data set used.The Silesia or Calgary corpus could be used as the reference set. Both the compressibility ratio and the compression performance is highly data content dependent. -- Original message--From: Bob FriesenhahnDate

Re: [oi-dev] OI Hipster 2018.10 snapshot

2018-10-31 Thread Peter Tribble
On Wed, Oct 31, 2018 at 3:15 PM Bob Friesenhahn < bfrie...@simple.dallas.tx.us> wrote: > On Wed, 31 Oct 2018, Volker A. Brandt wrote: > > > > John is absolutely right. The numbers speak for themselves. :-) > > I see only relatively small compression gains so the content must be > partially compre

Re: [oi-dev] OI Hipster 2018.10 snapshot

2018-10-31 Thread Bob Friesenhahn
On Wed, 31 Oct 2018, Volker A. Brandt wrote: John is absolutely right. The numbers speak for themselves. :-) I see only relatively small compression gains so the content must be partially compressed already, or does not compress well. Lzma type compression (e.g from xz, lzip, or 7z) will d

Re: [oi-dev] OI Hipster 2018.10 snapshot

2018-10-31 Thread Volker A. Brandt
Till Wegmüller writes: > They actually are already compressed. Just not wrapped into a compressed > archive. Both the USB and ISO files are just a container for the > compressed files. for e.g. solaris.zlib or the Boot Archive. These > Compressed files will be decompressed on load by the Boot loade

Re: [oi-dev] OI Hipster 2018.10 snapshot

2018-10-31 Thread Till Wegmüller
Hi They actually are already compressed. Just not wrapped into a compressed archive. Both the USB and ISO files are just a container for the compressed files. for e.g. solaris.zlib or the Boot Archive. These Compressed files will be decompressed on load by the Boot loader or OS respectively. Gree

Re: [oi-dev] OI Hipster 2018.10 snapshot

2018-10-30 Thread John Howard
The USB files should be compressed for downloads to save gigabytes of bandwidth. On an individual basis it amounts to hundreds of megabytes and time saved for each person downloading. I am not interested in arguments about which compression alg. to use because currently there is NO COMPRESSION.