Speed difference between i7 quad 3rd gen 2.6ghz and i7 quad 4th gen 3.1ghz?

How much speed difference in Logic X will I notice between an i7 quad 3rd gen 2.6ghz and i7 quad 4th gen 3.1ghz?
both loaded with 16gb 1600 ram... 256gb ssd

Kappy wrote:
All other things being equal 4-cores are twice as fast as 2-cores. This is regardless of what you are doing. The only way a 2-core processor would be as fast is if it were run at twice the clock speed. But the 2-core CPU is only clocked around 10% or so faster. Now, for all that you claim you will be doing the relevant question is do you need 4-cores. My answer is that you don't. But the 2-core machine will be slower - all things being equal.
Iris is a far better GPU than HD4 or 5000. But not as fast as a discreet GPU with better performance measures. Again, you don't really need high-power GPU. Iris should meet your needs adequately for now.
But remember you want to keep the computer for 6 or 7 years. No one knows what your needs will be then. You may find whatever you buy today that meets today's needs will be inadequate for tomorrow's.
Your comments on graphics pretty much confirm the majority of what I've been reading on other sites.
The conflict is with cores. About half the people are saying for low CPU intensive tasks 4 cores are totally unnecessary, while the other half says they'll make things faster no what the task (one thing all seem to have in common is they're totally against the 2014s).
So it seems I'm left with the decision between faster performance vs better graphics.
I appreciate your input.

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AppleScript speed difference between 10.4 & 10.5

This post is related to a question I posed in March 2009 (https://discussions.apple.com/message/9226100) regarding the speed difference between AppleScript text handling in OS X 10.5 compared with 10.4.11.
I have recently written a script to search through a text file which is an xml file exported from WorkGroup Manager. The file, which is approximately 1.8 MB, contains all the user names on the school server (just over 1720 of them), their settings and any other information we have added. After adapting some script ideas (using text delimiters and offsets) which I found on the internet to assist with counting the number of users and searching through the information of each one, one at a time, I have a script which works far in excess of my expectations in terms of speed when run under OS X 10.4, but runs slower than molasses in winter under 10.5.
The script counts the number of accounts, extracts each user's log-in name and also their actual name (which we have entered under a 'general info' or 'comments' field - I can't remember exactly where, but it is stored in the file), makes up a complete list of all account names (with the actual name, if present) and also makes up a subset of this information into a separate list which contains only the log-in names of those whose actual name has not yet been recorded on the server, then saves both lists to separate text files.
My original attempts, using some rather clumsy text searching and comparison techniques, took about 1-2 minutes to go through the whole procedure. After some internet searching, head-scratching and a bit more more work, the finished script, when run on my G5 under OS X 10.4.11, takes less than 3 seconds to do all I have described above, including the writing to text files. To say I was pleased would be an understatement!
Because the school/work environment, where the script would be run, is all OS X 10.5 or higher, I thought I should test it out under at least OS X 10.5. The script was developed on my DP 2.5GHz G5 with 8GB RAM running OS X 10.4.11. Using a fresh, clean installation of 10.5 I ran the script and was extremely disappointed. After letting it run for more than 20 minutes and still not finishing, I force quit AppleScript and reduced the number of accounts in the file. 40 accounts took 3 seconds, 60 accounts took 6 seconds, 80 took 11 seconds, 100 took 19 seconds and 120 took 27 seconds. I eventually let the script run right through - total time taken to process 1720 users was 65 minutes, compared to 3 seconds under 10.4.11!
Given that it was tested on the same Mac, with the same amount of RAM, using the same script and the same original text file, the only variable left (that I can think of) is the change of OS version - 10.4.11 vs 10.5.
As was pointed out to me in my previous post, AppleScript in OS X 10.5 handles all text as Unicode and has a greater overhead in processing time as a result. I have implemented the various bits of advice offered by respondents to my original post and changed the way I handled lists, etc. Obviously, if the script works so speedily under 10.4.11, I must have done something right in terms of code optimization/efficiency. It's when that exact same script is run under OS X 10.5 that it slows down incredibly. I even tried it on a 2.66GHz Intel Core 2 Duo iMac running 10.5.8 - it still took 40 minutes and Activity Monitor showed CPU usage by Script Editor constantly above 80% (often well above 90%). Saving the script as an application made no difference in the time taken.
Does anybody have any knowledge about what makes AppleScript Unicode-only text handling so slow? In this case, it is 1300 times slower! Is there any way of coercing/restricting the text handling/parsing to ASCII? If I really have to, I will set up a humble eMac at school with 10.4 on it just to handle large text files quickly with AppleScript, but I would prefer to be able to do it on the normal work Macs which have 10.5 or later on them. As mentioned, under 10.4.11 the script processes the 1.8MB text file with 1720 users and writes results to two files - all within 3 seconds, so I'm not really looking for coding suggestions unless they are directly related to what has changed in AppleScript under OS X 10.5. Without sounding too smug, the script works properly and speedily (at least in 10.4). I really would like to learn about the changes in AppleScript in OS X 10.5 and how to cope with or work around those changes.

Hi,
text 3 thru 14 in largeText
character 3 thru 14 in largeText
text 3 in largeText
character 3 in largeText
These lines will be slow on Leopard
Getting some text in a variable that contains more than 60000 characters will be slower on Leopard,
but I don't know why it's slower
Here a test script.
script o
    property t_text : ""
end script
set a to "abcdefghij"
set tResult to ""
repeat with i from 1 to 3
    set o's t_text to a
    repeat (item i of {17, 15, 14}) times
        set o's t_text to o's t_text & o's t_text -- add characters in the variable
    end repeat
    set StartTime to current date
    -- test
    repeat 20 times
        set b to text 3 thru 14 in o's t_text -- get a text in the variable
    end repeat
    -- end test
    set EndTime to current date
    set TimeTaken to EndTime - StartTime
    set tResult to tResult & " Getting text in the variable which contains " & length of o's t_text & ", (20 times) = " & TimeTaken & " seconds." & return
end repeat
tResult
Here the result on my old G5, 2 x 1.8 GHZ
Getting text in the variable which contains 1310720 characters, (20 times) = 50 seconds.
Getting text in the variable which contains   327680 characters, (20 times) = 12 seconds.
Getting text in the variable which contains   163840 characters, (20 times) =   6 seconds.
The result on the same machine on Tiger is always less of one second.
Also, I try with 20 millions characters on Tiger, the result : getting text in the variable which contains 20971520 characters, (20 times) = 0 seconds.
The solution ( text item in a list)
Here the script
script o
    property my_List : {}
end script
set OldDelims to text item delimiters
set RecordDelimiter to "::::::::::::::"
set LengthOfRecordDelimiter to length of RecordDelimiter
set o's my_List to findAll(read (choose file), RecordDelimiter)
on findAll(str, findString)
    set Oldtid to text item delimiters
    try
        set text item delimiters to findString
        if str does not contain findString then return {"Nothing found"}
        set t to str's text items
        set text item delimiters to Oldtid
        return t
    on error eMsg number eNum
        set text item delimiters to Oldtid
        error "Can't findAll: " & eMsg number eNum
    end try
end findAll
set NumberOfrecords to (count o's my_List)
display dialog "There are " & NumberOfrecords & " accounts."
set StartTime to current date
set text item delimiters to ":"
set FullUserList to {}
set ListOfUnnamedUsers to {}
-- first user needs to be done separately as it is not preceded by RecordDelimiter
set EndOfHeader to "Standard:URL"
set LengthOfEndOfHeader to length of EndOfHeader
set EndOfHeaderOffset to the offset of EndOfHeader in (item 1 of o's my_List)
set OffsetToApply to EndOfHeaderOffset
set TextBeingChecked to text (OffsetToApply + LengthOfEndOfHeader + 1) thru -1 of (item 1 of o's my_List)
tell TextBeingChecked to set {UserName, NameForInfo} to {text item 1, text item 7}
if NameForInfo = "" then set end of ListOfUnnamedUsers to UserName & return
set end of FullUserList to (UserName & tab & NameForInfo & return)
-- now do all the others
repeat with CounterG from 2 to (NumberOfrecords - 1)
    set TextBeingChecked to item CounterG of o's my_List
    tell TextBeingChecked to set {UserName, NameForInfo} to {text item 1, text item 7}
    if NameForInfo = "" then set end of ListOfUnnamedUsers to UserName & return
    set end of FullUserList to (UserName & tab & NameForInfo & return)
end repeat
set o's my_List to {}
set text item delimiters to OldDelims
-- write results to file
-- 1). full user list
set TargetFile1 to (path to desktop folder as string) & "FullUserList1.txt"
try
    open for access file TargetFile1 with write permission
on error
    close access file TargetFile1
    open for access file TargetFile1 with write permission
end try
set EndTime to current date
beep
set InfoToBeWrittenToFile to FullUserList as text
write InfoToBeWrittenToFile to file TargetFile1
close access file TargetFile1
-- 2). list of users without NameForInfo
set TargetFile2 to (path to desktop folder as string) & "UnnamedUsersList1.txt"
try
    open for access file TargetFile2 with write permission
on error
    close access file TargetFile2
    open for access file TargetFile2 with write permission
end try
set InfoToBeWrittenToFile to ListOfUnnamedUsers as text
write InfoToBeWrittenToFile to file TargetFile2
close access file TargetFile2
beep 3
set TimeTaken to EndTime - StartTime
set TimePerAccount to TimeTaken / NumberOfrecords
display dialog (NumberOfrecords & " accounts took " & TimeTaken & " seconds." & return & return & "That equals " & TimePerAccount & " seconds per account.") as string

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Message Edited by awais.h on 03-30-2010 11:20 PM
Message Edited by awais.h on 03-30-2010 11:21 PM
Solved!
Go to Solution.

Hi
Thanks for the code but I'm afraid it won't work. Like you said the probability of choosing a value that is on both graphs may not happen. This is something that I would like the code to do automatically.
But I did use the previous code posted and made some modifications to it and it seems to work perfectly. Now the next thing is to be able to get just that one value that tells you the first time difference.
Here is what I get using that code.
As you can see from the t Values. I only need the one that is highlighted. If there is a way to filter out the rest it would be great.
I was thinking of a while loop and as soon as the value is higher than 3E-5 it would store the number and stop the loop, but I'm not too familiar with arrays in labview.
Here is the the code modified.
As you can see, it wasn't that big of a modification and it still is your code.
I will keep trying.
Thanks for the help
Attachments:
FinalShockSpeed.vi ‏55 KB

Differences between Oracle Forms 11.1.1.6 and 11.1.2

Hello !
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Michael Ferrante (Oracle) wrote:
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http://www.oracle.com/technetwork/developer-tools/forms
Additional information about new features and changes can be found in the product documentation for 11gR2, which is here:
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Jean-Yves
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Edited by: JeanYves Bernier on 30 nov. 2012 23:54

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Hello,
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Differences between Oracle 8i for a UNIX Platform and a Linux Platform

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Speed difference between i7 quad 3rd gen 2.6ghz and i7 quad 4th gen 3.1ghz?

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