A SYCLic Investigation of SYCL Ecosystems: UniSYCL for Heterogeneous Scaling

Le résumé fourni par la source

Architectural diversity has turned accelerator performance portability into a compiler/runtime problem: portable source code is useful only if the surrounding ecosystem can also coordinate devices, backends, and data movement. This paper evaluates three SYCL ecosystems—Intel oneAPI DPC++, AdaptiveCpp, and UniSYCL—across single-device execution, homogeneous multi-GPU scaling, and mixed CUDA+HIP execution. DPC++ and AdaptiveCpp represent mature conventional SYCL stacks that provide portable compilation but leave heterogeneous orchestration largely explicit in application code. UniSYCL targets a different design point: native integration with an intelligent runtime system (IRIS), which allows SYCL applications to expose task structure while delegating placement and mixed-backend coordination to a runtime.

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