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Topic: Ogg Vorbis optimized for speed (Read 257428 times) previous topic - next topic
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Ogg Vorbis optimized for speed

Reply #250 –
20060807 has been released on the main page

Quote
2006/08/07 Lancer 20060807

    Correcting the SSE optimization of mdct_forward and mdct_backward
    Only static edition reviving vorbis_oggpack_write
    Correcting the problem of local_book_besterror_dim1x4

Ogg Vorbis optimized for speed

Reply #251 –
... and now it too is "crossed out".

"2006 August 9th

Continuing with oggdropXPd of Lancer, 20060807 when you encode, because the problem which becomes output of abnormal bit rate was discovered it stops release at one time."

Ogg Vorbis optimized for speed

Reply #253 –
And now 20060811 is released on the main page.

Quote
2006/08/11 Lancer 20060811

    Correcting the SSE optimization of mdct_backward

2006/08/10 Lancer 20060810 (bit rate abnormal problem, for multithread operation problem evaluation)

    Correcting the problem of the SSE optimization of _ve_amp
    Correcting the problem where the pattern which each time differs in multithread operation edition is output

Ogg Vorbis optimized for speed

Reply #254 –
Maybe this was suggested before, but it would be beneficial to the project if he/she did the page in English, or if thats a problem ask a friend to translate it.

ありがとう - それは非常に速くある

Ogg Vorbis optimized for speed

Reply #256 –
I think there's a problem with the multi-threaded versions of 2006/08/11 Lancer 20060811.

I'm on a Core Duo, and I've never had problems with the multithreaded releases up to this one.  Now, I'm getting speed slowdowns to 1.x and 3.x, when it was going 40-50x before.  The non-multithreaded compiles work fine (40-50x); it's only the SSE2 and SSE3 multithreaded that are screwed up.  Can anyone confirm?

Ogg Vorbis optimized for speed

Reply #257 –
Quote from: jarsonic on
Can anyone confirm?
On my system, the "sse3_mt_lancer20060811" just freezes up.
 

I've gone back to using the "sse3_mt_lancer20060807", which is working fine.

Ogg Vorbis optimized for speed

Reply #259 –
Quote from: jarsonic on
is there an online archive of past releases, or did you just already have it on your system?
I keep several "layers" of past releases on my computer.  I don't know if there's an online archive.

Here's a link for the August 07 release, if you need it:
(right-click -> "Save Target As...")

  oggenc283_sse3mt_lancer20060807.zip

Ogg Vorbis optimized for speed

Reply #260 –
I had problems with the latest MT as well and have reverted to an earlier version.

Cheers,
Pete

Ogg Vorbis optimized for speed

Reply #261 –
Lancer 20060815 Experimental

Babelfish translation:
Quote
It released started Lancer 20060815 for multithread operation problem verification at the laboratory.

Ogg Vorbis optimized for speed

Reply #262 –
Quote from: sony666 on
Maybe this was suggested before, but it would be beneficial to the project if he/she did the page in English, or if thats a problem ask a friend to translate it.

Quote
It released started Lancer 20060815 for multithread operation problem verification at the laboratory.


Lol, so much for Babelfish - Google Translate gives something similar.

It's really a problem that there's no translation available... this way we can't give the guy (girl?) feedback on how it runs/crashes on our systems, nor tell him he's doing cool and appreciated work (although he may guess that from the download numbers).

Ogg Vorbis optimized for speed

Reply #263 –
I think the author should spend some time, once the code is stable again, on getting it working on modern GCCs, like for instance getting clean compiles under linux /w GCC 4.1

I'd do if myself if I had the mad skillz, but I don't.

Ogg Vorbis optimized for speed

Reply #264 –
Lancer 20060818 (MT only) is out.

Changes:

Quote
It improves the multithread operation processing of mapping0_forward, increases the parallel processing section and accelerates
In order with coodbook.* to make the parallel processing of floor1_encode possible, mounting the delay collective entry function of the Ogg stream
Way floor1_encode can be executed while parallel processing, modification
_vp_couple it corresponds to parallel processing
At the time of profile measurement way it does not enter into the infinite loop, modification

I will encode my whole flac archive (400cds, about 150 gb) this weekend on my amd x2 4400+ to ogg q6 oder q7.

Best regards
Franklin

Ogg Vorbis optimized for speed

Reply #266 –
I talked a guy with a Core 2 Duo E6600 @ 3.1GHz into running an encode, and here's the result he reported (for -q 5?):

Code: [Select]
File: "M - Pop Muzik"

OggEnc v2.83 (Lancer [20060818](SSE3MT) based on aoTuV b4b)
 
File length: 5m 01,0s
Elapsed time: 0m 3,432s
Rate: 87,950145
Average bitrate: 193,7 kb/s


So these new CPUs seems to be quite the little SSE monsters.

Ogg Vorbis optimized for speed

Reply #267 –


EDIT: that makes me feel ashamed of my newly aquired mid-range PC
we was young an' full of beans
 

Ogg Vorbis optimized for speed

Reply #268 –
Eloj, that's very interesting, awesome performance, shame it falls short of my 100x prediction. Perhaps in -q2

Yet looking at the numbers i get a feeling the multithreading doesn't speed it up that much, is it possible for you to test the non-mt version and see how much slower it is?
Veni Vidi Vorbis.

Ogg Vorbis optimized for speed

Reply #269 –
Quote from: HbG on
Eloj, that's very interesting, awesome performance, shame it falls short of my 100x prediction. Perhaps in -q2

Yet looking at the numbers i get a feeling the multithreading doesn't speed it up that much, is it possible for you to test the non-mt version and see how much slower it is?


At these speeds I think Disk I/O can be a bottleneck...

Ogg Vorbis optimized for speed

Reply #270 –
See the command i used for testing on the previous page. It doesn't write an output file to disk and if you run it multiple times windows will buffer the input file in memory. For me it leads to accurately repeatable results when you discount the first run.

Also 100x is only 17.2MB/s, which any vaguely modern harddrive can easily keep up with.
Veni Vidi Vorbis.

Ogg Vorbis optimized for speed

Reply #271 –
Hi,

new releases out: 20060824

Recently i converted 400 cds with lancer with a speed of about 50x on my X2 4400+

Best regards
Franklin

Ogg Vorbis optimized for speed

Reply #272 –
The difference seems to be that it's built on aotuv Release 1.

Ogg Vorbis optimized for speed

Reply #273 –
(babelfished) ChangeLog:

Quote
2006/08/24 Lancer 20060824

    Based cord/code modification to aotuv-r1_20051117
    Adding SSE optimization to _vp_couple
    Adding the cord/code for multi channel processing divisions to xmmlib.h
    At the time of OpenMP use the singles lead-lead _vp_quantize_couple_memo and _vp_quantize_couple_sort which are operational modification to multithread operation operation

Ogg Vorbis optimized for speed

Reply #274 –
Lancer 20060903 is out.