Use PrefetchVirtualMemory for Win mmap

vurusovs · Apr 16, 2024 · 58e1c38 · 58e1c38
1 parent 1496229
commit 58e1c38
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/src/common/util/src/os/win/win_mmap_object.cpp b/src/common/util/src/os/win/win_mmap_object.cpp
@@ -113,6 +113,14 @@ class MapHolder : public ov::MappedMemory {
                                      0,  // offset_align >> 32,
                                      0,  // offset_align & 0xffffffff,
                                      m_size);
+
+            WIN32_MEMORY_RANGE_ENTRY memoryRange;
+            memoryRange.VirtualAddress = m_data;
+            memoryRange.NumberOfBytes = m_size;
+
+            HANDLE hProcess = GetCurrentProcess();
+            PrefetchVirtualMemory(hProcess, 1, &memoryRange, 0);
+
             if (!m_data) {
                 throw std::runtime_error("Can not create map view for " + path);
             }