MacPro: Why isn't encoding faster?
I've got a brand new MacPro (3ghz quad core with 5GB of properly installed, Apple approved RAM), and I don't think DVD encoding with iDVD is noticeably faster than on my old G5 iMac! iDVD is encoding a 1hr20min DVD right now, and Activity Monitor only shows the processors working at about 25-30% capacity. This same thing happens with rendering in iMovie and Final Cut Express, as well as exporting to different formats with Quicktime Pro. It seems Apple's own software doesn't do a very good job of using the available resources... does anyone know anything that can be done to improve this?
Sure, I can do more things at once (obviously there's plenty of leftover cycles to do stuff with)... but the real reason I sprung for the top of the line Mac was so this encoding wouldn't take hours!
Anyone got any insight to how I can possible tweak the software to use more of the power to get this done faster?
I've also noticed the same disappointing results on my Mac Pro... my PowerBook G4 is almost as quick working with the same files!
A few things I've found that seem to speed it up (so it hits around 130% on the activity monitor) is to minimize the window while it's rendering something, or if I drag the progress window so the progress bar isn't displayed on the screen. (I'd read somewhere that the Aqua effect takes a lot of graphics processing power, and that seems to confirm it.) I'm hoping a better graphics card will speed things up... I've also read that Core Video uses the card's dsp to render things, so hopefully that'll fix it for me. (I have the base-model card now.)
Hopefully this will give you a bit more speed!
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I've got a brand new MacPro (3ghz quad core with 5GB of properly installed, Apple approved RAM), and I don't think DVD encoding with iDVD is noticeably faster than on my old G5 iMac! iDVD is encoding a 1hr20min DVD right now, and Activity Monitor only shows the processors working at about 25-30% capacity. This same thing happens with rendering in iMovie and Final Cut Express, as well as exporting to different formats with Quicktime Pro. It seems Apple's own software doesn't do a very good job of using the available resources... does anyone know anything that can be done to improve this?
Sure, I can do more things at once (obviously there's plenty of leftover cycles to do stuff with)... but the real reason I sprung for the top of the line Mac was so this encoding wouldn't take hours!
Anyone got any insight to how I can possible tweak the software to use more of the power to get this done faster?I'm going to jump into this thread by saying that I'm having the exact same problem on my 2.66. When I first got my machine, I installed all the applications fresh and didn't import anything except data to an internal storage drive. Then I setup a RAID0 just to handle my FCS project files while I work on them.
I was working on a simple project with uncompressed SD video. It had about 6 layers of various effects. When I hit the render, I was actually surprised at how long it was taking. I opened activity monitor and noticed that it was only using around 30% of the processers. Thinking is was a ram problem, I bought four more gigs and added it to the two gigs I already had in my machine. Ran the same render and there was no difference in speed. And yes, the version of FCS I am running is UB.
I wasn't sure what the issue was and just figured I need to find a way to optimize my system; I just haven't taken the time to do the research. When I came on this forum, I noticed this thread and thought I'd join in.
I wonder if it's a software issue and Apple has built in some kind of buffer that keeps you from using all of your system resources? I know in the preferences you can adjust the settings, but I have mine at 100% and there is no way I'm using close to that. If you dial in 100%, then your machine should allocate all available resources to the application and only leave enough to keep the OS and current apps running. So, if I have 100% going towards FCS, then I shouldn't even be able to launch run Safari. However, even if FCS is supposed to be using 100%, I can launch and run other applications with ease because there is so much power left that FCS is not using. So, this is telling me that while the MacPro is great at running multiple apps at the same time, it's not so great running just one application at full speed.
Wish I had the answer. -
Why isn't adobe reader opening? Please answer question as fast as possible.
Why isn't adobe reader opening? Please answer question as fast as possible.
Well the app must have worked at one point if you have important data in it. Maybe you should seek help on the Adode Reader for iOS web site.
http://forums.adobe.com/community/adobe_reader_forums/ios
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Why isn't the CBO using my indexes?
Why isn't Oracle using my indexes to join 2 big tables? I ran statistics last night before kicking off this job. I don't want to have to use hints.
STAGING_TXN_081 has Primary Key on VSYS_STAGE_ROW_ID
TRANSACTION has an index on STAGING_RECORD_ID
Record counts are as follows:
SQL> select count(*) from STAGING_TXN_081;
COUNT(*)
613071
1* select distinct count(staging_record_id) from transaction
SQL> /
COUNT(STAGING_RECORD_ID)
10,662,828
1* select distinct count(*) from transaction where staging_record_id is null
SQL> /
COUNT(*)
1,150,819
So 1,150,819 / 10,662,828 = approximately 10.8% of the rows are null.
This is the Query
select
st.*,
rlog.reject_code as rlogRejectCode
from
STAGING_TXN_081 st
join transaction t
on st.VSYS_STAGE_ROW_ID = t.STAGING_RECORD_ID
left outer join txn_reject_log rlog
on t.transaction_id = rlog.transaction_id
where
not exists
(select 1
from
rl_loyalty_txn_trans rl
join loyalty_txn lt
on lt.loyalty_txn_id=rl.loyalty_txn_id
where
rl.transaction_id=t.transaction_id)
order by st.VSYS_STAGE_ROW_ID, rlog.reject_code Here is the execution plan.
Execution Plan
Plan hash value: 447420266
| Id | Operation | Name | Rows | Bytes |TempSpc| Cost (%CPU)| Time |
| 0 | SELECT STATEMENT | | 1 | 223 | | 144K (6)| 00:29:00 |
| 1 | SORT ORDER BY | | 1 | 223 | | 144K (6)| 00:29:00 |
| 2 | NESTED LOOPS OUTER | | 1 | 223 | | 144K (6)| 00:29:00 |
|* 3 | HASH JOIN ANTI | | 1 | 203 | 121M| 144K (6)| 00:29:00 |
| 4 | VIEW | | 613K| 114M| | 84466 (7)| 00:16:54 |
|* 5 | HASH JOIN | | 613K| 71M| 72M| 84466 (7)| 00:16:54 |
| 6 | TABLE ACCESS FULL | STAGING_TXN_081 | 613K| 65M| | 3237 (5)| 00:00:39 |
|* 7 | TABLE ACCESS FULL | TRANSACTION | 10M| 111M| | 65229 (7)| 00:13:03 |
| 8 | VIEW | VW_SQ_1 | 10M| 69M| | 44389 (6)| 00:08:53 |
|* 9 | HASH JOIN | | 10M| 197M| 192M| 44389 (6)| 00:08:53 |
| 10 | INDEX FAST FULL SCAN | PK_LOYALTY_TXN | 10M| 71M| | 7314 (7)| 00:01:28 |
| 11 | INDEX FAST FULL SCAN | PK_RL_LOYALTY_TXN_TRANS | 10M| 128M| | 13947 (4)| 00:
| 12 | TABLE ACCESS BY INDEX ROWID| TXN_REJECT_LOG | 1 | 20 | | 3 (0)| 00:00:01 |
|* 13 | INDEX RANGE SCAN | VIDX_309 | 1 | | | 2 (0)| 00:00:01 |
Predicate Information (identified by operation id):
3 - access("TRANSACTION_ID"="from$_subquery$_003"."TRANSACTION_ID")
5 - access("ST"."VSYS_STAGE_ROW_ID"="T"."STAGING_RECORD_ID")
7 - filter("T"."STAGING_RECORD_ID" IS NOT NULL)
9 - access("RL"."LOYALTY_TXN_ID"="LT"."LOYALTY_TXN_ID")
13 - access("T"."TRANSACTION_ID"="RLOG"."TRANSACTION_ID"(+))
Statistics
467 recursive calls
0 db block gets
324842 consistent gets
249318 physical reads
0 redo size
955 bytes sent via SQL*Net to client
240 bytes received via SQL*Net from client
1 SQL*Net roundtrips to/from client
1 sorts (memory)
0 sorts (disk)
0 rows processedHi,
Take these points in consideration
- STAGING_TXN_081 has to be full table scanned as there is NO filter on that
- if all the matching 613071 rows from the TRANSACTION table are in different blocks, it might be equivallant to reading full TRANSACTION table (Oracle read blocks not rows)
- if we are reading all blocks from TRANSACTION table anyway, why waste resources in reading the index blocks
- How can we tell Oracle that, required TRANSACTION records are not located like 'each row in different block' ??? if that is really the case !!!
- Your 'not exists' clause, how may records from TRANSACTION table will be filtered out because of that
- If the 'not exists' will take out huge number of rows, I would suggest creating a in-line view of TRANSACTION table and the 'not exist' logic and then joining that with the STAGING*** table
- Try to minimise the number of rows taking part in these joins (I know, I am not telling anything new here !!!)
Cheers -
Why isn't there yet an available p2p embeded code for voip and video conference in Firefox??
why isn't there yet an available p2p embeded code for voip and video conference in Firefox??
So, the upload time will vary on internet connection. If there is an issue with how fast it is uploaded you can check if prefetching is turned on, but this does not really affect uploading [https://developer.mozilla.org/en-US/docs/Controlling_DNS_prefetching Controlling DNS prefetching]
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Hi
I have a Macbook Pro 2.5Ghz 4gb memory OSX 10.6.6
I encode a lot of EyeTVHD video clips.
It is a slow laborious process. I mean it takes 6 to 12 hours for some.
EyeTV tells me that even its own hardware driven Turbo264 would not enhance encode times with my setup.
My question is what is out there currently that speeds up encoding and burning dvd disks?
Will the new multi core processors speed things up?
Is the only way to buy a new $4000 Mac machine?
*And is it more important to have more GHz or more cores ?*
From what I've read the software has to be able to incorporate these new processors.
And one more question - why does iMovie not import Quicktime h.264 video format but will import h.264 files ?Hi jonsondonson-
The only way to get it to encode faster is to buy a faster machine.
No matter what speed the burner runs at, the Mac can only encode the video based on its processor speed. The more complicated the movie is with special effects and transitions the longer it will take to encode.
Luck-
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hello!?
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3,3s,4,4s,5c,and 5s
im saving for for the new one but am skeptical about the 6 cause it's so new wait out the bugs.
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http://www.unicode.org/pending/proposals.html -
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