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Does anyone know if this chip is 32-bit or 64-bit? I would like to know before I decide to purchase one of these boards for development.
According to the Microprocessor Report on Adapteva (PDF):
The design also eschews memory management of any kind, implementing a
flat 32-bit memory space without any protection
and also
The instruction set supports load and store double instructions that
access two consecutive 32-bit registers, taking advantage of the
64-bit path from the SRAM to the register file.
So it sounds like a 32-bit computer than can do some 64-bit operations.
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"Technically, however, they represent different philosophies: the ARM architecture is designed to be as simple as possible, to keep energy wastage to a minimum, whereas Intel's range uses a more complex design that benefits from compatibility with the company's (much more power-hungry) desktop and laptop CPUs." Well then why can't I run Windows on a raspberry Pi? Also, what is start4.elf?
Microsoft seems to know there are issues with Windows on ARM because it won't even sell you a copy of it. The company licenses the ARM version only to OEMs to pre-install on new systems. When asked if it would open up sales so people could run Windows on the new Macs, Microsoft said it had no plans at this time.
Start4.elf is a file that raspberry pi uses to boot.
Hope this helps!
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I have a 2017 model of Macbook Pro 13-inch with 8 Gigs of RAM. I want to have some "extra" memory by using swap, because I want to create some virtual machines that need lots of memory. I have read that swap file in macOS is only 1 GB. Can I extend the swap file as much as I want ?
The Swapfiles under /private/var/vm are system managed.
Apple Support - How can I increase swap size
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I use a third party test application.
I give the application the test input and get the results.
If I feed huge data the application it gives "memory allocation error"
When I observe the used memory from task manager I see that it gives the error when the private bytes reach ~2Gb.
I tried it both 32Bit Windows XP and 64Bit Windows 7. The result was the same.
what should I do to increase reserved heap memory form my third party application?
I want it to use more than 2Gb memory.
The third party application is most likely build for 32bit. So you are limited to 2Gb memory usage.
You can try to find if it has an 64bit installation package.
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Why can't I create a "small" Basic 64-bit Amazon Linux EC2 on AWS?
The options skip from "Micro" to "Large" to "Extra Large" to even more powerful. Micro I've found too unreliable, and large would cost more money that I want to spend.
How do you create a "small" instance?
Original Answer: Currently Small only supports 32 bit operating systems. Change your AMI selection to something 32-bit based and small will then be an option.
Update 8 March 2012: Amazon announced that all instance types can now run 64 bit operating systems. They also announced a new medium class besides the existing high-cpu medium.
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Accessing a raw disk partition in Windows Vista requires kernel mode control, as opposed to for instance WinXP where you can access it from user mode.
However, I've heard that when it comes to USB flash memory, a partition can still be accessed from user mode even on Windows Vista.
Is this true?
Regards
/Robert
You can do this on Vista, you may need admin rights, but no special kernel mode driver is needed.
This question shows how to do it How do I read a disk directly with .Net? I was reading the data off the USB stick directly as the file system on the stick was corrupted.