llama.cpp/ggml/src/ggml-qnn/utils.cpp

127 lines
3.5 KiB
C++

#include "utils.hpp"
#include "ggml-qnn.h"
#include "qnn-types.hpp"
namespace qnn {
// TODO: mapping more ggml data type to QNN data type
// ref:explanation of k-quants, https://github.com/ggerganov/llama.cpp/pull/1684
Qnn_DataType_t datatype_from_ggml_datatype(enum ggml_type ggmltype) {
switch (ggmltype) {
case GGML_TYPE_F16:
return QNN_DATATYPE_FLOAT_16;
case GGML_TYPE_F32:
return QNN_DATATYPE_FLOAT_32;
case GGML_TYPE_I8:
return QNN_DATATYPE_INT_8;
case GGML_TYPE_Q8_0:
return QNN_DATATYPE_SFIXED_POINT_8;
case GGML_TYPE_Q4_0:
return QNN_DATATYPE_SFIXED_POINT_4;
default:
break;
}
return QNN_DATATYPE_UNDEFINED;
}
uint32_t get_ggml_tensor_rank(const ggml_tensor* tensor) {
uint32_t rank = 0;
for (int i = 0; i < GGML_MAX_DIMS; i++) {
if ((0 != tensor->ne[i]) && (1 != tensor->ne[i])) {
rank++;
}
}
return rank;
}
const char* get_backend_name(int n_backend_type) {
switch (n_backend_type) {
case QNN_BACKEND_CPU:
return "QNN-CPU";
case QNN_BACKEND_GPU:
return "QNN-GPU";
case QNN_BACKEND_NPU:
return "QNN-NPU";
case QNN_BACKEND_GGML:
return "ggml"; //"fake" QNN backend, used for compare performance between QNN backend and original GGML
default:
return "unknown";
}
}
const char* get_chipset_desc(uint32_t chipset_id) {
switch (chipset_id) {
case SM8450:
return "SM8450";
case SM8475:
return "SM8475";
case SM8550:
return "SM8550";
case SM8650:
return "SM8650";
default:
return "unknown";
}
}
const char* get_htparch_desc(size_t htp_arch) {
switch (htp_arch) {
case V68:
return "QCOM_HTP_V68";
case V69:
return "QCOM_HTP_V69";
case V73:
return "QCOM_HTP_V73";
case V75:
return "QCOM_HTP_V75";
default:
return "unknown";
}
}
intptr_t align_to(size_t alignment, intptr_t offset) {
return offset % alignment == 0
? offset
: offset + (static_cast<intptr_t>(alignment) -
offset % static_cast<intptr_t>(alignment));
}
uint32_t get_ggml_tensor_data_size(const ggml_tensor* tensor) {
/*
size_t data_size = ggml_row_size(tensor->type, tensor->ne[0]);
size_t n_dims = qnn_get_ggml_tensor_rank(tensor);
for (int i = 1; i < n_dims; i++) {
data_size *= tensor->ne[i];
}
return data_size;
*/
return ggml_nbytes(tensor);
}
// =================================================================================================
//
// QNN backend internal helper functions
//
// =================================================================================================
// TODO: only support GGML_OP_ADD/GGML_OP_MUL/GGML_OP_MUL_MAT
const char* opname_from_ggmlop(enum ggml_op ggmlop) {
switch (ggmlop) {
case GGML_OP_ADD:
return QNN_OP_ELEMENT_WISE_ADD;
case GGML_OP_MUL:
return QNN_OP_ELEMENT_WISE_MULTIPLY;
case GGML_OP_MUL_MAT:
return QNN_OP_MAT_MUL;
default:
break;
}
return nullptr;
}
}