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Heterogeneous System Architecture by Wen-mei W. Hwu

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Chapter 4

HSA Runtime

Y.-C. Chung    National Tsing Hua University, Hsinchu, Taiwan, ROC

Abstract

The heterogeneous system architecture (HSA) runtime is a thin, user-mode applications programming interface (API) that provides the interface necessary for the host to launch computer kernels to the available HSA agents. It can be classified into two categories: core and extension. The HSA core runtime API is designed to support the operations required by the has system platform architecture specification, and it must be supported by any HSA-compliant systems. The HSA extended runtime API can be HSA-approved or vendor-specific, and it is optional for HSA-compliant systems. In this chapter, we will first describe the HSA core runtime API, including ...

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