More disc cache improvements

2015-05-05 Thread Vincent Sanders
Further to my previous efforts I have made an attempt to improve the disc cache performance even more. I would again be grateful if suitably interested users could try test CI build 2771 or later. The previous changes switched to using a small number of large files to hold all the "small" entries

Re: More disc cache improvements

2015-05-05 Thread cj
In article <20150505103028.gg19...@kyllikki.org>, Vincent Sanders wrote: > This change should be beneficial to RISC OS users as filecore is > (apparently) dreadful at this kind of usage pattern. I wonder if this is because RISC OS files are 'defragmented' all the time - I think I am correct in

Re: More disc cache improvements

2015-05-05 Thread Rob Kendrick
On Tue, May 05, 2015 at 11:48:46AM +0100, cj wrote: > In article <20150505103028.gg19...@kyllikki.org>, >Vincent Sanders wrote: > > This change should be beneficial to RISC OS users as filecore is > > (apparently) dreadful at this kind of usage pattern. > > I wonder if this is because RISC OS

Re: More disc cache improvements

2015-05-05 Thread Brian
In article <20150505103028.gg19...@kyllikki.org>, Vincent Sanders wrote: > Further to my previous efforts I have made an attempt to improve the > disc cache performance even more. I would again be grateful if > suitably interested users could try test CI build 2771 or later. [snip] > I would

Re: More disc cache improvements

2015-05-05 Thread Andrew Pinder
In message <20150505103028.gg19...@kyllikki.org> on 5 May 2015 Vincent Sanders wrote: > Further to my previous efforts I have made an attempt to improve the > disc cache performance even more. I would again be grateful if > suitably interested users could try test CI build 2771 or later. > The

Re: More disc cache improvements

2015-05-05 Thread cj
In article <20150505103028.gg19...@kyllikki.org>, Vincent Sanders wrote: > I am especially interested in testing from the Iyonix as this was > right on the edge of usefulness previously. Just loaded a few random pages from BBC and from ROOL on the Iyonix. I did have the disc cache disabled be

Re: More disc cache improvements

2015-05-05 Thread David Pitt
Vincent Sanders, on 5 May, wrote: > Further to my previous efforts I have made an attempt to improve the disc > cache performance even more. I would again be grateful if suitably > interested users could try test CI build 2771 or later. [snip] > I am especially interested in testing from the Iyo

Re: More disc cache improvements

2015-05-05 Thread cj
Using a PandaBoard with the cache on a Fat32 formatted SSD (not the SD card) gave the following: (663.19) content/llcache.c llcache_finalise 3361: Backing store average bandwidth 414186 bytes/second -- Chris Johnson