[Ascend] fuj/acl-index (#1332)

* impl index for aclnn p1

* impl index for ascend p2

* fix bug for index impl ascend p3

* fix a warning bug for index

impl/ascend/aclnn/adaptor.hpp

@@ -149,6 +149,10 @@ struct IsBoolStdArray<std::array<bool, N>> : std::true_type {};
 
 inline aclIntArray* createAclIntArrayFromIntVector(const std::vector<int64_t>& vec) { return ::aclCreateIntArray(vec.data(), vec.size()); }
 
+inline aclTensorList* createAclTensorListFromAclTensorVector(const std::vector<aclTensor*>& tensorsVec) {
+    return ::aclCreateTensorList(tensorsVec.data(), tensorsVec.size());
+}
+
 inline aclTensorList* createAclTensorListFromAscendTensorVector(const std::vector<AscendTensor>& tensorsVec) {
     std::vector<const aclTensor*> tList(tensorsVec.size());
     for (size_t i = 0; i < tensorsVec.size(); i++) {
@@ -175,7 +179,11 @@ inline aclTensorList* createAclTensorListFromConstDiopiTensorVector(const std::v
 
 template <class T, class U = std::remove_cv_t<std::remove_reference_t<T>>>
 decltype(auto) convertType(T&& param) {
-    if constexpr (std::is_same_v<U, AscendTensor>) {
+    if constexpr (std::is_same_v<U, aclTensor*>) {
+        return std::forward<T>(param);
+    } else if constexpr (std::is_same_v<U, std::vector<aclTensor*>>) {
+        return createAclTensorListFromAclTensorVector(std::forward<T>(param));
+    } else if constexpr (std::is_same_v<U, AscendTensor>) {
         return createAclTensorFromAscendTensor(std::forward<T>(param));
     } else if constexpr (std::is_same_v<U, diopiTensorHandle_t> || std::is_same_v<U, diopiConstTensorHandle_t>) {
         return createAclTensorFromDiopiTensor(std::forward<T>(param));

impl/ascend/ascend_tensor.cpp

@@ -6,9 +6,11 @@
 
 #include "ascend_tensor.hpp"
 
+// #include <algorithm>
 #include <array>
 #include <cstdint>
 #include <mutex>
+#include <numeric>
 #include <utility>
 
 #include "common/debug.hpp"
@@ -82,6 +84,106 @@ AscendTensor& AscendTensor::asStrided(const std::vector<int64_t>& shape, const s
     return *this;
 }
 
+AscendTensor& AscendTensor::permute(std::vector<int64_t> dims) {
+    ASCEND_CHECK_ABORT(this->dim() == dims.size(), "permute dims does not match the tensor dims.");
+
+    std::vector<int64_t> newShape(dims.size(), 0);
+    std::vector<int64_t> newStride(dims.size(), 0);
+
+    for (size_t i = 0; i < dims.size(); i++) {
+        newShape[i] = this->shape(dims[i]);
+        newStride[i] = this->stride(dims[i]);
+    }
+
+    this->shape_ = newShape;
+    this->stride_ = newStride;
+
+    return *this;
+}
+
+AscendTensor& AscendTensor::expand(std::vector<int64_t> shape) {
+    ASCEND_CHECK_ABORT(shape.size() >= this->dim(),
+                       "the number of sizes provided[% ld] must be greater or eaqual to the number of dimensions of the tensor[% ld].",
+                       shape.size(),
+                       this->dim());
+
+    // todo: dim() == 0
+    int64_t expandDims = shape.size() - this->shape().size();
+    std::vector<int64_t> tShapeExp(expandDims, 0);
+    auto tShape = this->shape();
+    tShapeExp.insert(tShapeExp.end(), tShape.begin(), tShape.end());
+    std::vector<int64_t> newShape = shape;
+
+    for (int64_t i = 0; i < newShape.size(); i++) {
+        if (newShape[i] < 0 && i < expandDims) {
+            ASCEND_CHECK_ABORT(false, "The expanded size of the tensor (%ld) isn't allowed in a leading, non-existing dimension %ld", newShape[i], i);
+        }
+
+        if (i >= expandDims) {
+            if (newShape[i] == -1) {
+                newShape[i] = tShapeExp[i];
+            } else {
+                ASCEND_CHECK_ABORT(tShapeExp[i] == 1 || newShape[i] == tShapeExp[i],
+                                   "The expanded size of the tensor (%ld) must match the existing size (%ld) at non-singleton dimension %ld.",
+                                   newShape[i],
+                                   tShapeExp[i],
+                                   i);
+            }
+        }
+    }
+
+    int64_t numElem = std::accumulate(newShape.begin(), newShape.end(), 1, std::multiplies<>());
+    std::vector<int64_t> newStride(expandDims, 0);
+    auto tStride = this->stride();
+    newStride.insert(newStride.end(), tStride.begin(), tStride.end());
+    for (int64_t i = expandDims; i < shape.size(); i++) {
+        if (shape[i] == -1 || shape[i] == tShapeExp[i]) {
+            continue;
+        } else {
+            newStride[i] = 0;
+        }
+    }
+
+    this->numel_ = numElem;
+    this->shape_ = newShape;
+    this->stride_ = newStride;
+
+    return *this;
+}
+
+AscendTensor& AscendTensor::resize(const std::vector<int64_t>& shape) {
+    int64_t numElem = std::accumulate(shape.begin(), shape.end(), 1, std::multiplies<>());
+    std::vector<int64_t> stride(shape.size(), 1);
+    for (int64_t j = shape.size() - 2; j >= 0; j--) {
+        stride[j] = stride[j + 1] * shape[j + 1];
+    }
+
+    this->numel_ = numElem;
+    this->shape_ = shape;
+    this->stride_ = stride;
+
+    return *this;
+}
+AscendTensor& AscendTensor::select(int64_t dim, int64_t index) {
+    auto shape = this->shape();
+    auto stride = this->stride();
+
+    ASCEND_CHECK_ABORT(dim >= 0 && dim < shape.size(), "selected dim [%ld] execeed the tensor dims [%ld].", dim, shape.size());
+
+    if (dim < shape.size() - 1) {
+        int64_t offset = dim * shape[dim] * stride[dim];
+        this->storageOffset_ = offset;
+    }
+    this->numel_ /= shape[dim];
+
+    shape.erase(shape.begin() + dim);
+    stride.erase(stride.begin() + dim);
+    this->shape_ = shape;
+    this->stride_ = stride;
+
+    return *this;
+}
+
 AscendTensor& AscendTensor::unsqueeze(int dim) {
     // Note: `channels_last` tensor uses this will become uncontiguous
     // which is same with pytorch

impl/ascend/ascend_tensor.hpp

@@ -245,6 +245,10 @@ class AscendTensor final {
     AscendTensor& asStrided(const std::vector<int64_t>& shape, const std::vector<int64_t>& stride);
     AscendTensor& unsqueeze(int dim);
     AscendTensor& view(const std::vector<int64_t>& shape);
+    AscendTensor& resize(const std::vector<int64_t>& shape);
+    AscendTensor& select(int64_t dim, int64_t index);
+    AscendTensor& permute(std::vector<int64_t> dims);
+    AscendTensor& expand(std::vector<int64_t> shape);
 
 private:
     // diopi origin tensor