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In aggregate, these changes have led to a performance increase of over a factor of 10 compared to the previous code. For problems several times larger than the processor array, the code now achieves performance levels of 1 Gflop on the Maspar MP-2 or roughly 20% of the quoted peak ...
When AMD introduced their AMD64 architecture in 2003, they have incorporated SSE 2 as a part of their then-new instruction set. I'll repeat it bold: every 64-bit PC processor in the world is required to support at least SSE 1 and SSE 2. At the same time, AMD added 8 more of thes...
In the case of embarrassing parallel problems where there is no need to decide which tasks are carried out by each processor or to communicate data between processors or to share memory, this sort of extensions is not required. Thus, The RTE inversion algorithm within the SIMD architecture Altho...
V8 and V9,// and stores the result in V10.// Each of the four 32-bit lanes in each regi...
the index in the first place. If the indexes are in fact random and can not be coalesced, the performance loss depends on "the degree of randomness". This loss results from the DRAM architecture quite directly, the GPU being unable to do much about it – similarly to any other processor...
computer and a SIMD array, the computer product disposed on a computer readable medium, the computer product comprising instructions for causing a processor to: receive a request from the host operating system, and, provide at least one instruction to process the request using the SIMD array. ...
An SIMD array processor having a scalable and flexible architecture. The SIMD array architecture includes an array of processing elements, a plurality of processor controllers, and at least one other
Optimizing matrix multiplication for a short-vector SIMD architecture – CELL processor Matrix multiplication is one of the most common numerical operations, especially in the area of dense linear algebra, where it forms the core of many impor... J Kurzak,W Alvaro,J Dongarra - 《Parallel Computin...
The C++ programming language has been extended to express all the potentiality of an abstract SIMD machine consisting of a central Control Processor and a N-dimensional toroidal array of Numeric Processors. Very few extensions have been added to the standard C++ with the goal of minimising the ...