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mlx/mlx/backend/common/unary.h
Awni Hannun df58b4133a
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[CUDA] Reduce use of managed memory (#2725)
* Use async cuda malloc managed with cuda 13

* add pool threshold

* refactor for regular cuda malloc

* load eval gpu for cuda

* remove use of cuda pool, use cuda free async

* fix

* fix

* fix

* fix

* fix + comment
2025-11-05 16:05:23 -08:00

30 lines
633 B
C++

// Copyright © 2025 Apple Inc.
#pragma once
#include "mlx/allocator.h"
#include "mlx/backend/common/utils.h"
namespace mlx::core {
inline void set_unary_output_data(
const array& in,
array& out,
std::function<allocator::Buffer(size_t)> mallocfn = allocator::malloc) {
if (in.flags().contiguous) {
if (is_donatable(in, out)) {
out.copy_shared_buffer(in);
} else {
out.set_data(
mallocfn(in.data_size() * out.itemsize()),
in.data_size(),
in.strides(),
in.flags());
}
} else {
out.set_data(mallocfn(out.nbytes()));
}
}
} // namespace mlx::core