Visible to Intel only — GUID: GUID-38A3C6E2-C371-437E-B541-87C9BE76955C
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Suggestions to Fix
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Visible to Intel only — GUID: GUID-38A3C6E2-C371-437E-B541-87C9BE76955C
DPCT1065
Message
Consider replacing sycl::nd_item::barrier() with sycl::nd_item::barrier(sycl::access::fence_space::local_space) for better performance if there is no access to global memory.
Detailed Help
The function sycl::nd_item::barrier() ensures correct memory access ordering in the global and local address space. If the kernel function has no memory accesses in the global memory, it is safe to replace sycl::nd_item::barrier() with sycl::nd_item::barrier(sycl::access::fence_space::local_space) for better performance.
Suggestions to Fix
Replace sycl::nd_item::barrier() with sycl::nd_item::barrier(sycl::access::fence_space::local_space).