On 7/10/2011 10:25 AM, Bernd Blaauw wrote: > Op 7-7-2011 13:58, Michael B. Brutman schreef: >> Mike > Mike, > > do you have any experience using UPX (executable file compressor) on > your programs? I'm wondering if > 1) programs still load properly for you on 8086 > 2) smaller disksize + in-memory-decryption faster than loading entire file. > > I'm pretty sure the compression program itself is 386+ or 586+, > but compressed executables should be 8086+ if used with proper options. > (upx.sf.net ) , upx --best --8086 c:\mtcp\*.exe > > > Ultimate Packer for eXecutables > Copyright (C) 1996 - 2010 > UPX 3.07d Markus Oberhumer, Laszlo Molnar& John Reiser > > File size Ratio Format Name > -------------------- ------ ----------- ----------- > 51974 -> 32191 61.94% dos/exe dhcp.exe > 39372 -> 25975 65.97% dos/exe dnstest.exe > 102256 -> 56758 55.51% dos/exe ftp.exe > 111996 -> 58321 52.07% dos/exe ftpsrv.exe > 87044 -> 48833 56.10% dos/exe ircjr.exe > 76430 -> 44563 58.31% dos/exe nc.exe > 40092 -> 26488 66.07% dos/exe ping.exe > 41660 -> 27319 65.58% dos/exe sntp.exe > 69230 -> 40488 58.48% dos/exe spdtest.exe > 86730 -> 48854 56.33% dos/exe telnet.exe > -------------------- ------ ----------- ----------- >
That looks very promising - I will test it out. I imagine that decompression time on the smaller machines is a little longer, but that is offset by that much less disk I/O. And the smaller machines are often tight on storage. Mike ------------------------------------------------------------------------------ All of the data generated in your IT infrastructure is seriously valuable. Why? It contains a definitive record of application performance, security threats, fraudulent activity, and more. Splunk takes this data and makes sense of it. IT sense. And common sense. http://p.sf.net/sfu/splunk-d2d-c2 _______________________________________________ Freedos-devel mailing list Freedos-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-devel
