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| 1 | +// RUN: %{build} -o %t.out |
| 2 | +// RUN: %{run} %t.out |
| 3 | +// |
| 4 | + |
| 5 | +// Test work_group_static extension with allocation size specified at runtime. |
| 6 | + |
| 7 | +#include <sycl/detail/core.hpp> |
| 8 | +#include <sycl/ext/oneapi/work_group_static.hpp> |
| 9 | +#include "../graph_common.hpp" |
| 10 | + |
| 11 | +#include <vector> |
| 12 | + |
| 13 | +constexpr size_t WgSize = 32; |
| 14 | +constexpr size_t WgCount = 4; |
| 15 | +constexpr size_t RepeatWG = 16; |
| 16 | +constexpr size_t ElemPerWG = WgSize * RepeatWG; |
| 17 | +constexpr size_t Size = WgSize * WgCount * RepeatWG; |
| 18 | + |
| 19 | +using namespace sycl; |
| 20 | + |
| 21 | +namespace exp_ext = sycl::ext::oneapi::experimental; |
| 22 | + |
| 23 | +int main() { |
| 24 | + queue Q; |
| 25 | + exp_ext::command_graph Graph{Queue.get_context(), Queue.get_device()}; |
| 26 | + |
| 27 | + std::vector<int> Vec(Size, 0); |
| 28 | + buffer<int, 1> Buf{Vec.data(), range<1>(Size)}; |
| 29 | + |
| 30 | + auto NodeA = Graph.add([&](handler &Cgh) { |
| 31 | + auto Acc = Buf.get_access<access::mode::read_write>(Cgh); |
| 32 | + exp_ext::work_group_static_size static_size(WgSize * RepeatWG * |
| 33 | + sizeof(int)); |
| 34 | + exp_ext::properties properties{static_size}; |
| 35 | + Cgh.parallel_for(nd_range<1>(range<1>(Size), range<1>(WgSize)), properties, |
| 36 | + [=](nd_item<1> Item) { |
| 37 | + int *Ptr = reinterpret_cast<int *>( |
| 38 | + exp_ext::get_dynamic_work_group_memory()); |
| 39 | + size_t GroupOffset = |
| 40 | + Item.get_group_linear_id() * ElemPerWG; |
| 41 | + for (size_t I = 0; I < RepeatWG; ++I) { |
| 42 | + Ptr[WgSize * I + Item.get_local_linear_id()] = |
| 43 | + Item.get_local_linear_id(); |
| 44 | + } |
| 45 | + |
| 46 | + Item.barrier(); |
| 47 | + for (size_t I = 0; I < RepeatWG; ++I) { |
| 48 | + // Check that the memory is accessible from other |
| 49 | + // work-items |
| 50 | + size_t BaseIdx = GroupOffset + (I * WgSize); |
| 51 | + size_t LocalIdx = Item.get_local_linear_id() ^ 1; |
| 52 | + size_t GlobalIdx = BaseIdx + LocalIdx; |
| 53 | + Acc[GlobalIdx] = Ptr[WgSize * I + LocalIdx]; |
| 54 | + } |
| 55 | + }); |
| 56 | + }); |
| 57 | + auto ExecGraph = Graph.finalize(); |
| 58 | + |
| 59 | + Queue.ext_oneapi_graph(ExecGraph).wait(); |
| 60 | + |
| 61 | + host_accessor Acc(Buf, read_only); |
| 62 | + for (size_t I = 0; I < Size; ++I) { |
| 63 | + assert(Acc[I] == I % WgSize); |
| 64 | + } |
| 65 | +} |
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