Dual Core AMD not being used in Vista

[Perfik]

I have recently upgraded to Vista Ultimate and I have noticed that now it does not seem to use both processors. This worked 100% everytime with XP Pro and I have looked at the logs and it tells me I have a Dual Core, but only chooses to use one of them. Any help please will be appreciated.

[CubDukat]

Perhaps it depends on the program. I have XP Home and one of the first HyperThreading P4s, and when I use QuEnc, it only uses one of the two "cores."

But that's supposed to happen. Some programs will run on a dual-core system, but will not necessarily use both cores. i've even had instances where a program will favor one "core" over the other, throwing most of its weight onto one as opposed to evenly distributing the load.

[jagabo]

Does Task Manager show two cores?

[Perfik]

It is supposed to use 2 cores as it did with XP every time I run DVD2SVCD.

I have the CPU monitor running in the sidebar,which shows BOTH cores useage and it shows both running @ 100%, but it used to report, when starting, 2 cores and it does not do so now. The other core may be being used by somethin else, as one is being used by SVCD2DVD, if you know what I mean !!!! Also in the LOG it says as follows.....

************************************************** ******************
************************ SYSTEM INFORMATION ************************
************************************************** ******************

***************************** SVCD2DVD *****************************

Name: SVCD2DVD 2.1
Title: 2.1
Version: 2.1.2474.30185
Executable: D:\SVCD2DVD v2\SVCD2DVD.exe
Executable size: 2.86 MB
Executable size in bytes: 3006547
Executable CreationTime: 10/10/2006 17:57:38
Executable LastWriteTime: 07/03/2007 22:13:20
Executable LastAccessTime: 07/03/2007 22:13:20

************************* Operating System *************************

Operating System: Microsoft® Windows Vista™ Ultimate
Service Pack:
Version : 6.0.6000
Windows Directory : C:\Windows

OSLanguage: 1033
CodeSet: 1252
CountryCode: 44
Local: 0809

Total Physical Memory: 1.99 GB
Free Physical Memory: 1.12 GB
Total Virtual Memory: 4.21 GB
Free Virtual Memory: 3.19 GB

***************************** Computer *****************************

Computer Manufacturer Name: System manufacturer
Computer Model: System Product Name
System Type: X86-based PC
Computer Name: DENNIS-PC
DomainRole: x2c3419cdc9b8e007
Number Of Processors: 1
User Name: Dennis-PC\Dennis

***************************** Processor ****************************

Manufacturer: AuthenticAMD
Processor: AMD Athlon(tm) 64 X2 Dual Core Processor 4400+
Description: x64 Family 15 Model 35 Stepping 2
CPU Speed: 2.209GHz
CPU FSB: 200MHz
L2 Cache Size: 1.00 KB


It states "Number Of Processors: 1"

[jagabo]

So both cores are being used but SVCD2DVD is reporting it wrong? Why worry about it? Is it running a lot slower?

[RabidDog]

Under Xp pro svcd2dvd uses both cores big time, under vista only one core is being used, correct?

[Perfik]

It would appear that only one is being used, or only one is being reported as being used. It seems to be tacking a lot longer to do what it used to do. It bit like me I guess LOL

When it started in XP it reported processors = 2
Now it says nothing at all, except in the LOGS, as stated, so I am assuming that it is only using one processor.

[ChrissyBoy]

It is down to how Vista infers the processors in a WMI query: http://www.microsoft.com/technet/scriptcenter/topics/vista/wmi2.mspx#EYC

I shall add a Setting so you can override what SVCD2DVD deduces.

[Perfik]

Thanks Chrissyboy, I look forward to getting the revised version etc.

Still great software though, so keep up the great work.

[Schimi1983]

i cannnot expect the new version