How do I detect a dual core CPU on iOS?

Question

My app uses an NSOperationQueue to cache thumbnail images in a background thread. On the iPad2 I can push the concurrent task count limit up to 5 or 6, but on s

Answer 1

Among other things, you can get that information through a system call...

NSDictionary dictionaryWithObjectsAndKeys:
    [self machineType],@"MachineType",
    [self humanMachineType],@"HumanMachineType",
    [self powerPCTypeString],@"ProcessorType",
    [NSNumber numberWithLong:
                     [self processorClockSpeed]],
                         @"ProcessorClockSpeed",
    [NSNumber numberWithLong:
                     [self processorClockSpeedInMHz]],
                         @"ProcessorClockSpeedInMHz",
    [NSNumber numberWithInt:[self countProcessors]],
                     @"CountProcessors",
    [self computerName],@"ComputerName",
    [self computerSerialNumber],@"ComputerSerialNumber",
    [self operatingSystemString],@"OperatingSystem",
    [self systemVersionString],@"SystemVersion",        
    nil];

Here's the reference... http://cocoadev.com/HowToGetHardwareAndNetworkInfo