The Cray MTA-2
is a Shared-Memory MIMD computer marketed by Cray Inc.
It is an unusual design based on the Tera computer designed by Tera Computer Company
. The original Tera computer (also known as the MTA
) turned out to be nearly un-manufacturable due to its aggressive packaging and circuit technology. The MTA-2 was an attempt to correct these problems while maintaining essentially the same architecture. Tera Computer Company bought the remains of the Cray Research division of Silicon Graphics
in 2000 and promptly renamed itself Cray Inc.
The MTA-2 was not a commercial success, with only one moderately-sized system ("Boomer") being sold to the United States Naval Research Laboratory in 2002.
The MTA computers pioneered several technologies, presumably to be used in future Cray Inc. products:
- A simple, whole-machine oriented programming model.
- Hardware-based multithreading.
- Automatic parallelization.
- Low-overhead thread synchronization.