Programming model for a heterogeneous x86 platform

Author:

Saha Bratin1,Zhou Xiaocheng2,Chen Hu2,Gao Ying2,Yan Shoumeng2,Rajagopalan Mohan1,Fang Jesse1,Zhang Peinan1,Ronen Ronny3,Mendelson Avi4

Affiliation:

1. Intel Corporation, Santa Clara, USA

2. Intel Corporation, Beijing, China

3. Intel Corporation, Haifa, Israel

4. Microsoft Corporation, Haifa, Israel

Abstract

The client computing platform is moving towards a heterogeneous architecture consisting of a combination of cores focused on scalar performance, and a set of throughput-oriented cores. The throughput oriented cores (e.g. a GPU) may be connected over both coherent and non-coherent interconnects, and have different ISAs. This paper describes a programming model for such heterogeneous platforms. We discuss the language constructs, runtime implementation, and the memory model for such a programming environment. We implemented this programming environment in a x86 heterogeneous platform simulator. We ported a number of workloads to our programming environment, and present the performance of our programming environment on these workloads.

Publisher

Association for Computing Machinery (ACM)

Subject

Computer Graphics and Computer-Aided Design,Software

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