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Fix RNG crash on Windows #2871

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Fix RNG crash on Windows #2871

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4a66249
Fix RNG crash on Windows
vlad-perevezentsev Apr 23, 2026
730ac82
Add MKL version check to RNG crash workaround
vlad-perevezentsev Apr 23, 2026
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9 changes: 9 additions & 0 deletions dpnp/backend/src/queue_sycl.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -67,8 +67,17 @@ class backend_sycl

static backend_sycl &get()
{
#if defined(_WIN32) && INTEL_MKL_VERSION == 20260000
// TODO: remove once MKLD-19835 is resolved
// mt19937 (oneMKL 2026.0) destructor crashes during DLL_PROCESS_DETACH
// on Windows (Battlemage/Level Zero). Use a heap-allocated
// process-lifetime singleton to skip destructor; OS reclaims memory.
static backend_sycl *backend = new backend_sycl{};
return *backend;
#else
static backend_sycl backend{};
return backend;
#endif
}

static sycl::queue &get_queue()
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