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[SYCL] E2E for delayed buffer destruction #1460

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romanovvlad merged 1 commit into from
Dec 20, 2022
Merged

[SYCL] E2E for delayed buffer destruction #1460

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33 changes: 33 additions & 0 deletions SYCL/Basic/buffer/buffer_release.cpp
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Original file line number Diff line number Diff line change
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// RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple %s -o %t.out
// RUN: %CPU_RUN_PLACEHOLDER %t.out

#include <sycl/sycl.hpp>

using namespace sycl;
using namespace sycl::access;

static constexpr size_t BUFFER_SIZE = 256;

void test() {
queue Q;
std::unique_ptr<host_accessor<int>> HostAcc;
{
buffer<int, 1> Buffer{BUFFER_SIZE};
HostAcc.reset(new host_accessor(Buffer));
// Host accessor should block kernel execution
Q.submit([&](handler &CGH) {
auto Acc = Buffer.template get_access<mode::write>(CGH);
CGH.parallel_for<class Test>(BUFFER_SIZE,
[=](item<1> Id) { Acc[Id] = 0; });
});
// Buffer destructor should not wait till all operations completion here
}
// Unblock kernel execution
HostAcc.reset(nullptr);
Q.wait();
}

int main() {
test();
return 0;
}