There is now a 64-bit extension to the free and open-source OsiriX software,
allowing to address an unlimited memory space.

OsiriX MD, the clinical version of OsiriX, is also distributed with the 64-bit extension.

Open an unlimited number of images and get rid of the memory related crashes !

The true facts about OsiriX 64-bit version versus standard version 32-bit:

Hardware	Dataset	Test	32-bit VS 64-bit	64-bit advantage
MacPro 8 cores 2.8 GHz 6GB	Colonic CT 1mm/1mm 965 images	3D Growing Region to segment the colonic lumen	32-bit 22 sec   64-bit 5 sec	4.4× faster
iMac 2.8 GHz 4GB	CTA Lower Limbs 1mm/1mm 1020 images	Bone Removing Segmentation in 3D Volume Rendering	32-bit 128 sec   64-bit 31 sec	3.9× faster
MacPro 8 cores 2.8 GHz 6GB	CTA Lower Limbs 1mm/1mm 1020 images	Bone Removing Segmentation in 3D Volume Rendering	32-bit 38 sec   64-bit 9 sec	4.2× faster
iMac 2.8 GHz 4GB	Thoracic CT 1mm/1mm 760 images	360 Rotation in 3D Volume Rendering	32-bit 138 sec   64-bit 85 sec	1.6× faster
MacPro 8 cores 2.8 GHz 6GB	CTA multiple series	Loading a large series	32-bit 1'400 img   64-bit 6'500 img	4.6× more images
iMac 2.8 GHz 4GB	CTA multiple series	Loading a large series	32-bit 1'400 img   64-bit 3'200 img	2.3× more images

 

OsiriX 64-bit extension requires:

- OsiriX latest version

- MacOS 10.6 or higher (Leopard)

- 3 GB or more of RAM to fully benefit of the extra-large memory addressing space

 

 

OsiriX 64-bit extension advantages:

- Get rid of the 'not enough memory' messages.

- Get rid of the OsiriX crashes related to memory addressing.

- Fully use your computer memory, address more than the 32-bit limit.

- OsiriX will run faster (between 25% to 400%, depending on the functions).

 

 

OsiriX 64-bit extension is available as an extension to standard 32-bit version of OsiriX.