Does 4 GB memory make a noticable difference?

Just bought a new Macbook. It came standard with 2 GB of memory. I have Parallels Desktop installed running Wondoze 7. With PD running and very little else, the machine is really sluggish. I'm wondering if upping to 4 GB will help. Appreciate any advice.
regards
John

I checked the system requirements for Parallels and Windows 7....for RAM it was 2 GB's.....I would expect you to see better performance with 4GB than 2 GB...as OS X still needs to run at the same time as Parallels...although I don't run Windows...so I am speculating...
One thing you could check is the number of 'Page Outs' in 'Activity Monitor'..(in the Utilities folder)...under the 'System Memory' tab...if the number is high then more RAM would definitely help
Message was edited by: Dave Stowe

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Does faster memory make a difference?

hi,
I'm currently building my new system (middle of the road, around 1500€, mainly for AE CS5) and I have a specific question regarding memory:
does it make sense to invest in more expensive/faster RAM (1600MHz instead of 1333?)?
what I had in mind until now were 24Gb (2x DIMM DDR3 12GB PC3-10667 CL9 Kingston Value Kits). now I heard that the kingston value kits might be more unrelieable and slower than brands like ocz or g.skill and I'm thinking about getting for instance 2 x DIMM DDR3 12GB PC3-12800 CL8, OCZ Gold Kits.
the difference in cost is quite a bit, so do you think it is worth it and one is going to notice a significant difference in speed?
what other RAM kits could you suggest?
thanks, eva

I can't directly answer, but some results viewing may help
Premiere Pro CS5 Benchmark http://ppbm5.com/
Premiere Pro CS4 Benchmark http://ppbm4.com/

Why does a letter make such a difference?

This script works:
try
tell application "Safari"
activate
end tell
tell application "System Events"
tell process "Safari"
tell menu bar 1
tell menu bar item "history"
tell menu "history"
click menu item "reopen all windows from last session"
end tell
end tell
end tell
end tell
end tell
return true
on error error_message
return false
end try
But try changing the S in the second Safari in the process line to lower case and it won't work. (if you wanna experiment quit safari, and this script is all about bringing back the stuff you were looking at so don't worry about quitting).
Is there a good reason for this or should Apple change it?

I don't know if it's a good thing, but the fact is that process names are case-sensitive, so that two processes, respectively named "Safari" and "safari", could +in principle+ be running at the same time.
To be sure about that, I wrote a very short script that I saved as a stay-open application under the name "safari" and launched while the "Safari" browser was already running. Then I executed the following statement in the Script Editor:
*tell application "Finder" to return processes*
--> {…, application process "Safari" of application "Finder", application process "safari" of application "Finder", …}
Maybe you might find [this article|http://lambda-the-ultimate.org/node/1114] interesting.

How much difference will more memory make with Logic?

I'm running Logic 6 on an iBook G4 with 1.33 ghz and 768 meg of ram. I can max out at 1.5 gig of ram. What difference will this make? I'm also going to upgrade to Logic 7 soon. I'm going to wait a while before I get an INTEL Mac since most of my plugs have no updates available yet (Sampletank, Amplitube, and T-Racks mastering). I figure in a year, INTELS will be much more common.Please share thoughts. I run all the audio files from a 7200 Mercury Firewire drive. I figure before my iBook is outdated beyond use I can upgrade memory and eventually have a newer/faster HD installed (There's a few places that will install new HD, transfer data and have everything back to you in 24 hours).

Adding memory will only make a truly big difference if you're currently low enough that the system resorts to using virtual memory paging. Load up a typical song in Logic, then start Activity Monitor. On the System Memory display, observe the number for 'page outs'. If it rarely or never increases while you're running Logic, adding memory won't make a huge difference. If 'page outs' is constantly growing, more memory will be dramatically improve the overall behavior of the system.
Ignore 'page ins', it's not relevant.
Note: those places that do 24 hour turnaround (via express shipping) for a drive replacement charge quite a premium for the service. I'd say you're better off doing as little as possible to the current system, and saving the money for the next one. Just my opinion, of course.
Quad G5 2.5Ghz 4.5GB 2x250G, PB 15" 1.5Ghz,80G,1.5G Mac OS X (10.4.4)

When extending my wifi network using an Extreme as my main and an Express to extend.. does it help to make sure that both devices are on the same channel or does it even make a difference if they are on different channels?

when extending my wifi network using an Extreme as my main and an Express to extend.. does it help to make sure that both devices are on the same channel or does it even make a difference if they are on different channels?

Have you even tried the process in which i have described in my previous post?
Yes, many times. If you are setup to "extend a wireless network, the screen looks like this:
If you click the Wireless Options button, the screen looks like this:
Where is it on this screen that you see a setting to adjust the channel? It sounds like you are confusing "create a wireless network"....which does allow you to adjust channels.....with "exend a wireless network" which does not.
Normally, when you extend a wireless network, AirPort Utility used to always assign the same channel to the extending device. That is no longer the case. It might be the same, or it might be different. You have no control over this, so you have to accept what AirPort Utility thinks is best.

Will increasing the memory from 4Gb to 8Gb make a big difference to the speed of my Intel Core Duo 2 Mac mini?

Will increasing the memory from 4Gb to 8Gb make a big difference to the speed of my Intel Core Duo 2 Mac mini?

Well, technically no, CPU will remain the same speed. But having 8 gig will give you some room for memory hungry apps and run better with multiple apps.
Adding a SSD drive will give a second life to your macmini. I did mine a few weeks ago (240 gb SSD ) and also went from 2 to 4 gig ram. It's like having a new computer!
Good luck!

Does DVI Cable quality make a noticeable difference or does it not matter?

Does DVI Cable quality make a noticeable difference or does it not matter?
When you buy a monitor at a place like TigerDirect, they come with a thinner cable, but you purchase one for $21. Is it worth it?

Check out http://www.monoprice.com they have great cables for cheap.
To answer your question the cables are usually rated for the amount of bandwidth they can transfer and at what speed. At lower resolutions you don't need much bandwidth but to transfer 1080p you would need a cable capable of handling that. Most cables can handle that.
But with the thinner cables it can affect the quality of the image. Just be sure to calibrate your monitor. Good luck!

Does i7 processor make a difference over a fast i5 for LR? (Buying an iMac)

As I understand it, unless an application uses hyper threading, the i7 won't really make a performance difference. We're using LR 5.

As I understand it, unless an application uses hyper threading, the i7 won't really make a performance difference. We're using LR 5.

Does a DAC make a lot of sound difference when connected between an iMac and a good receiver?

I have one of the better Yamaha receivers plus two Cerwin-Vega bookshelf speakers plus an Infinity sub that sound pretty good playing the AAC(mostly 256) files on my iMac. I've heard that a DAC can really make a difference. Can anyone confirm that and possibly even make a DAC recommendation?

The DAC manufacturers and, I am sure, enthusiastic audiofiles, will make all kinds of claims that an external DAC makes a huge difference. I urge some caution however because you would necessarily also have to have high end audio equipment (amp, speakers & wiring) as well as a near-perfect environment (studio, anyone?) in order to hear a meaningful difference just because of the DAC. It's not just a matter of having a DAC, it's the entire audio setup that makes the difference.
IMHO if your system is at home and you have a reasonably good amp & speakers, the analog output from your Mac will deliver excellent performance and you would be hard put to discern a difference by putting a DAC in the audio chain. At least, that's been my experience.
Also, if your Yamaha amp has optical digital input, you can connect it directly to your Mac's audio out (combined headphone + optical digital output) ... without needing a separate DAC.

2.6 GHz i7 vs. 2.8 GHz i7...Is there a noticable difference?

Hello,
I just purchased a refurbished MBP through the Apple store with a 2.6GHz quad-core Intel Core i7 processor (Turbo Boost up to 3.8GHz). I chose a refurbished model because I wanted to save money and I was able to get a 1TB hard drive for a great price. However, it is a late 2013 model and a new (not refurbished) mid 2014 model MBP with a 2.8GHz Quad-core Intel Core i7 processor (Turbo Boost up to 4.0GHz) would have cost me only about $70 more. This would have only a 512GB hard drive; otherwise all internals are the same.
I need a fast computer that can support many processes at once for work but I also need hard drive space.
Did I make the right decision? Would there have been a noticable difference between these two processors? Is there any significant difference / benefit to the mid 2014 model compared to the late 2013 model?
Thanks for your input.
Holly

The good news about refurbished models, is they may support more Mac OS X versions than brand new Macs.
And no, very rarely is there a noticeable difference. Pretty much all Macs from 2010 and later have similar processors.
More RAM, and SSDs may offer better speed, but SSDs offer a security pitfall which I'm uncertain if they have been resolved.
The normal erase software does not completely wipe clean the SSD. Thus before selling it to someone else, you don't want them to have access to the drive you put in, if you get an SSD. All the more reason you should have a good LapCop, Findmymac, or Lojack program installed on your Mac in case it is lost or stolen.
https://discussions.apple.com/docs/DOC-6413 will help you ascertain the age of the mac, and if it is a prior release with more operating systems available to it. The Mac operating system on Macs released on or after:
October 22, 2013 only run 10.9 or later.
June 25, 2012 10.8 or later.
July 20, 2011 10.7 or later.
August 28, 2009 10.6 or later.
Older Macs may not run 10.8 or later based on http://www.apple.com/osx/specs/

How much does in-memory replication boost txn rates?

I posted the note below on the weblogic.developer.interest.clustering" list.
          As a supplement to that question, I'm wondering how much of a boost to
          transaction rates that anyone sees from using in-memory replication with
          WebLogic?
          =====================
          How many peak/average transactions per second is anyone pushing through
          WebLogic? With what response time? On what version of WebLogic? With what
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          If you don't have transactions per second, any other measures of performance
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          Randy Heffner
          Giga Information Group


          Mike -
          Thanks for the reply -- I phrased my question poorly. What I intended was
          this:
          - Compared to saving context to disk (so that it is accessible across
          servers in a cluster), how much does in-memory replication boost transaction
          throughput rates?
          I'm just wondering if anyone has measured the difference in their
          environment.
          Randy
          "Mike Reiche" <[email protected]> wrote in message
          news:[email protected]...
          >
          > Boost transaction rates? No - it degrades transaction rates. Replicating
          data is
          > extra work.
          >
          > Mike
          >
          > "Randy Heffner" <[email protected]> wrote:
          > >I posted the note below on the weblogic.developer.interest.clustering"
          > >list.
          > >As a supplement to that question, I'm wondering how much of a boost to
          > >transaction rates that anyone sees from using in-memory replication with
          > >WebLogic?
          > >
          > >=====================
          > >How many peak/average transactions per second is anyone pushing through
          > >WebLogic? With what response time? On what version of WebLogic? With
          > >what
          > >sort of a configuration?
          > >
          > >If you don't have transactions per second, any other measures of
          performance
          > >and scalability would be interesting.
          > >
          > >Randy Heffner
          > >Giga Information Group
          > >
          > >
          > >
          > >
          >

Why does the iPad make the same noise when it connects to a charger that doesn't charge it as one that will charge it???

Why does the iPad make the same noise when it connects to a charger that doesn't charge it as one that will charge it???
I would expect that it would make an unusual noise if plugged into a generic USB charger that does not have enough oomph to charge a pad to alert you - otherwise, you might think the noise is reassuring that you are actually charging it.

I guess my question was actually more of a comment on the (lack of) design! It is unusual that something like this would still be in an Apple product. There are wall chargers that have a USB port on them that do not have the required oomph to charge the iPad. I have one that has two USB ports, one for my iPhone (it won't charge an iPad), and one for an iPad with greater amperage rating. I accidentally used the wrong ones for a while yesterday, but noticed before being "surprised" the next morning by an uncharged iPad. The iPad is smart enough to say "Not charging" by the battery icon when it is plugges in to one of these, so it "knows" - seems like it would be fairly simply to have the iPad make a different or additional noise wehn it puts up the "Not charging" text icon. Failsafe user experience?

Does ios 7 make the ipad 2 slower?

Does ios 7 make the ipad 2 slower?

Bought my wife a used, but practically like new 64 GB iPad 2 and iOS 7 seems to run fine with no issues other than the wallpaper resizing issues mentioned in other iOS 7 posts.
I think iOS 7 runs even better on an iPad 2 because no extra processing power is being used for a retina display because iPad 2 doesn't have a retina display.
I noticed this as my iPad 3 on iOS 7 runs well, but seems a little laggy compared to my wife's iPad 2.

Is there a noticable difference between2.3 ghz, 2,6ghz and 2.7ghz. and is it worth paying to upgrade from 2.3ghz to a higher amount of ghz

is there a noticable difference between 2.3ghz, 2.6ghz and 2.7ghz and is it worth the upgrade to a higher amout of ghz

going from 2.3GHz to 2.7GHz you might notice the difference.....
but going from 2.6GHz to 2.7GHz, don't even waste your money....
if you'll be using it for everyday use, then 2.3GHz will do just fine....
however, if there's photoshop and some video editing happening, then 2.6GHz would be better suited for you....
or, go with the 2.3GHz base model then upgrade it to 16GB of RAM and add a SSD to get the best price - performance ratio...
good luck...

Sales order does not allow make-to-order production

Dear Friends,
I am trying to do do planned order for sales order in MD50 it was showing the error message as
"Sales order does not allow make-to-order production"
Can any one solve this
Shakthi

Hi Shakthi,
It is also possible to set the priority for Requirement Type determination like
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I hope this should solve your problem.
Regards,
Sandeep

Does 4 GB memory make a noticable difference?

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