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[RUNTIME][Memory] Implement support for non-zero offset within a storage object in AllocNDArr… #16415

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Merged
tqchen merged 1 commit into from
Jan 19, 2024
Merged

[RUNTIME][Memory] Implement support for non-zero offset within a storage object in AllocNDArr… #16415

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8 changes: 8 additions & 0 deletions src/runtime/memory/memory_manager.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -102,6 +102,14 @@ NDArray StorageObj::AllocNDArray(size_t offset, ShapeTuple shape, DLDataType dty
// buffer intact.
container->manager_ctx = reinterpret_cast<void*>(this);

if (this->buffer.device.device_type == kDLHexagon) {
// For Hexagon, non-zero offset support simply requires adjusting the
// beginning of data pointer
auto offset_ptr = reinterpret_cast<uint8_t*>(this->buffer.data) + offset;
container->dl_tensor.data = reinterpret_cast<void*>(offset_ptr);
container->dl_tensor.byte_offset = 0;
}

NDArray ret(GetObjectPtr<Object>(container));
// RAII in effect, now run the check.

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