Attachment 117515 Details for Bug 91556 – Code to reproduce the bug

Code to reproduce the bug

foo.cpp (text/plain), 2.19 KB, created by Pavan Yalamanchili on 2015-08-04 16:51:20 UTC

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Creator: Pavan Yalamanchili

Created: 2015-08-04 16:51:20 UTC

Size: 2.19 KB

patch

obsolete

>#define __CL_ENABLE_EXCEPTIONS
>#include "cl.hpp"
>#include <vector>
>#include <iostream>
>#include <iterator>
>#include <algorithm>
>#define REPRODUCE_BUG 1
>#define dim_t long long
>
>using namespace cl;
>using namespace std;
>
>int main(int argc, char* argv[]) {
>
>    try {
>    Context(CL_DEVICE_TYPE_GPU);
>
>    static const unsigned elements = 10;
>    vector<float> data(elements, 5);
>    Buffer a(begin(data), end(data), true, false);
>    Buffer b(begin(data), end(data), true, false);
>    Buffer c(CL_MEM_READ_WRITE, elements * sizeof(float));
>
>    typedef struct
>    {
>        dim_t dims[4];
>        dim_t strides[4];
>        dim_t offset;
>    } KParam;
>
>    printf("Sizeof KParam: %lu\n", sizeof(KParam));
>
>#if REPRODUCE_BUG == 0
>    Program addProg(R"d(
>     #define dim_t long
>     typedef struct
>     {
>      dim_t dims[4];
>      dim_t strides[4];
>       dim_t offset;
>    } KParam;
>        kernel
>        void add(   global const float * restrict const a,
>                    global const float * restrict const b,
>                    global       float * restrict const c
>                    ) {
>            unsigned idx = get_global_id(0);
>            c[idx] = sizeof(KParam);
>        }
>    )d", true);
>
>    auto add = make_kernel<Buffer, Buffer, Buffer>(addProg, "add");
>    add(EnqueueArgs(elements), a, b, c);
>#else
>    Program addProg(R"d(
>     #define dim_t long
>     typedef struct
>     {
>      dim_t dims[4];
>      dim_t strides[4];
>       dim_t offset;
>    } KParam;
>        kernel
>        void add(KParam foo,
>   global const float * restrict const a,
>                    global const float * restrict const b,
>                    global       float * restrict const c
>                    ) {
>            unsigned idx = get_global_id(0);
>            c[idx] = sizeof(foo);
>        }
>    )d", true);
>
>    KParam foo;
>
>    auto add = make_kernel<KParam, Buffer, Buffer, Buffer>(addProg, "add");
>    add(EnqueueArgs(elements), foo, a, b, c);
>#endif
>
>    vector<float> result(elements);
>    cl::copy(c, begin(result), end(result));
>
>    std::copy(begin(result), end(result), ostream_iterator<float>(cout, ", "));
>    } catch(cl::Error &err) {
>        std::cout << err.err() << " "  << err.what() << std::endl;
>    }
>
>    return 0;
>}

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