Visible to Intel only — GUID: GUID-F116AA9E-BC67-427B-BBE2-B31BA0B26696
Visible to Intel only — GUID: GUID-F116AA9E-BC67-427B-BBE2-B31BA0B26696
CUDA* to SYCL* Term Mapping Quick Reference
This quick reference maps common CUDA* terms to SYCL* terms, to help start the migration process.
Architecture Terminology Mapping
CUDA Capable GPU |
SYCL Capable GPU from Intel |
|
---|---|---|
Xe-LP and prior generations |
Xe-HPG and Xe-HPC |
|
CUDA Core |
Execution Unit (EU) |
Vector Engine & Matrix Engine (XVE & XMX) |
Streaming Multiprocessor (SM) |
Subslice(SS) or Dual Subslice(DSS) |
Xe-Core |
Processor Clusters (PC) |
Slice |
Xe-Slice |
N/A |
N/A |
Xe-Stack |
Execution Model Mapping
CUDA |
SYCL |
---|---|
Thread |
Work-item |
Warp |
Sub-group |
Block |
Work-group |
Grid |
ND-range |
Memory Model Mapping
CUDA |
SYCL |
---|---|
Register |
Private memory |
Shared memory |
Local memory |
Constant memory |
N/A |
Global memory |
Global memory |
Memory Specifier Mapping
CUDA |
SYCL |
---|---|
__device__ |
N/A |
__shared__ |
N/A |
__constant__ |
N/A |
__managed__ |
N/A |
Function Execution Space Specifiers Mapping
CUDA |
SYCL |
---|---|
__global__ |
Not required |
__device__ |
Not required |
__host__ |
Not required |
Mapping of Key Host Type Used to Offload Task
CUDA |
SYCL |
---|---|
device |
sycl::device |
stream |
sycl::queue |
event |
sycl::event |
Kernel Execution Configures Mapping
CUDA |
SYCL |
---|---|
dim3 |
sycl::range<3> |
Kernel<<<gridDim, blockDim>>>(...) |
|
Built-In Execution Space Index Mapping
CUDA |
SYCL |
---|---|
gridDim.x/y/z |
sycl::nd_item.get_group_range(2/1/0) |
blockDim.x/y/z |
sycl::nd_item.get_local _range().get(2/1/0) |
blockIdx.x/y/z |
sycl::nd_item.get_group(2/1/0) |
threadIdx.x/y/z |
sycl::nd_item.get_local_id(2/1/0) |
warpSize |
sycl::nd_item. .get_sub_group().get_local_range().get(0) |