Joshua MacDonald

I verified that this works with ./xdelta3 -B 4294967296 -vf -e -s ~/VS2013_RTM_ULT_ENU.iso ~/VS2013_RTM_TESTPRO_ENU.iso VS_ULT_TESTPRO.xdelta xdelta3: secondary compression: lzma xdelta3: source /volume/home/jmacd/VS2013_RTM_ULT_ENU.iso source size 2.82 GiB [3024457728] blksize 4.00 GiB...

The -DXD3_USE_LARGESIZET variable is set by default in the 3.1.0 distribution. That's a compiler flag. Are you on Windows? I have to investigate the Windows issue. Which version are you...

OK, so I have to diagnose several Windows issues it seems. As for the parameters, -B is the only really important one, and we get best compression when -B is...

On Sat, Jan 16, 2016 at 7:23 PM, HotDenim [email protected] wrote: > So having -B even 1 byte larger (or if it is rounded to next power of 2, >...

I'm sorry I have no updates. In the intervening time, I worked on the (recently announced) license change and (just last evening, actually) installed Wine which I think will help...

For your first question, the other memory goes to a very large hash table data structure. Your second question -- sounds unusual but you are still passing the -B flag...

Noted. I'll try to relax this test for the 3.0.10 release. The failure is harmless. On Mon, May 11, 2015 at 2:48 AM, Alexander F Rødseth < [email protected]> wrote: >...

I wonder if this has to do with LZMA using one of the exe prefilters for x86 executables? That would explain why LZMA can do a good job on this...

I'm not convinced this is a matter of setting the LZMA level, which I'm happy to do. I believe this is because 7z does special things when it encounters executable...

FYI Xdelta is not simply passing its output through LZMA when -S lzma is set. The VCDIFF file format consists of three sections per window: Instructions, Addresses, and Text. Each...