/home/liu/actions-runner/_work/ccv/ccv/lib/nnc/ccv_nnc_easy.h

Source
/**********************************************************
 * C-based/Cached/Core Computer Vision Library
 * Liu Liu, 2010-02-01
 **********************************************************/

/**********************************************************
 * CCV - Neural Network Collection
 **********************************************************/

#ifndef GUARD_ccv_nnc_easy_h
#define GUARD_ccv_nnc_easy_h

#include "ccv.h"
#include "ccv_internal.h"
#include "nnc/ccv_nnc.h"
#ifdef HAVE_MPS
#ifdef __APPLE__
#include "TargetConditionals.h"
#if !TARGET_OS_IPHONE && !TARGET_IPHONE_SIMULATOR
#include <mach/mach_vm.h>
#else
#define PAGE_SIZE (16384)
#endif
#endif
#endif

/**
 * Convenience API
 *
 * This header provides convenience APIs for nnc usage. Being convenience API,
 * it is optimized for shorthand coding, and may collide the naming space with
 * others.
 *
 */
// c99 only, make sure your compiler supports that.

#define NOOP_GRAPH_WHILE_EXPR (ccv_nnc_graph_while_f)(1)
#define NOOP_GRAPH_CASE_OF_EXPR (ccv_nnc_graph_case_of_f)(1)

// This is a better LIST_COUNT macro, it generates a list of 1+1+0+0+0 where it is 1 if the parameter presents, and 0 otherwise.
// This works better for cases such as LIST_COUNT(1, 2, 3,) where previous macro will get 4 and this one will have correctly
// computed result.
#define LIST_COUNT_01(_0,_1,_2,...) _2
#define LIST_COUNT_E(...) LIST_COUNT_01(_0,##__VA_ARGS__,1,0)
#define LIST_COUNT_N(_0,_1,_2,_3,_4,_5,_6,_7,_8,_9,_10,_11,_12,_13,_14,_15,_16,_17,_18,_19,_20,_21,_22,_23,_24,_25,_26,_27,_28,_29,_30,_31,_32,_33,_34,_35,_36,_37,_38,_39,_40,_41,_42,_43,_44,_45,_46,_47,_48,_49,_50,_51,_52,_53,_54,_55,_56,_57,_58,_59,_60,_61,_62,_63,...) (LIST_COUNT_E(_0)+LIST_COUNT_E(_1)+LIST_COUNT_E(_2)+LIST_COUNT_E(_3)+LIST_COUNT_E(_4)+LIST_COUNT_E(_5)+LIST_COUNT_E(_6)+LIST_COUNT_E(_7)+LIST_COUNT_E(_8)+LIST_COUNT_E(_9)+LIST_COUNT_E(_10)+LIST_COUNT_E(_11)+LIST_COUNT_E(_12)+LIST_COUNT_E(_13)+LIST_COUNT_E(_14)+LIST_COUNT_E(_15)+LIST_COUNT_E(_16)+LIST_COUNT_E(_17)+LIST_COUNT_E(_18)+LIST_COUNT_E(_19)+LIST_COUNT_E(_20)+LIST_COUNT_E(_21)+LIST_COUNT_E(_22)+LIST_COUNT_E(_23)+LIST_COUNT_E(_24)+LIST_COUNT_E(_25)+LIST_COUNT_E(_26)+LIST_COUNT_E(_27)+LIST_COUNT_E(_28)+LIST_COUNT_E(_29)+LIST_COUNT_E(_30)+LIST_COUNT_E(_31)+LIST_COUNT_E(_32)+LIST_COUNT_E(_33)+LIST_COUNT_E(_34)+LIST_COUNT_E(_35)+LIST_COUNT_E(_36)+LIST_COUNT_E(_37)+LIST_COUNT_E(_38)+LIST_COUNT_E(_39)+LIST_COUNT_E(_40)+LIST_COUNT_E(_41)+LIST_COUNT_E(_42)+LIST_COUNT_E(_43)+LIST_COUNT_E(_44)+LIST_COUNT_E(_45)+LIST_COUNT_E(_46)+LIST_COUNT_E(_47)+LIST_COUNT_E(_48)+LIST_COUNT_E(_49)+LIST_COUNT_E(_50)+LIST_COUNT_E(_51)+LIST_COUNT_E(_52)+LIST_COUNT_E(_53)+LIST_COUNT_E(_54)+LIST_COUNT_E(_55)+LIST_COUNT_E(_56)+LIST_COUNT_E(_57)+LIST_COUNT_E(_58)+LIST_COUNT_E(_59)+LIST_COUNT_E(_60)+LIST_COUNT_E(_61)+LIST_COUNT_E(_62)+LIST_COUNT_E(_63)-1)
#define LIST_COUNT(...) LIST_COUNT_N(_0,##__VA_ARGS__,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,)

#define LIST_X(_type, ...) (_type []){__VA_ARGS__10}

#define KV_X_2(_x, _y, ...) {(_x), (_y)}
#define KV_X_1(_x, ...) {(_x)}
#define KV_X_SEL(_1, _2, _FX, ...) _FX
#define KV(...) KV_X_SEL(__VA_ARGS__, KV_X_2, KV_X_1)(__VA_ARGS__)

#define LIST_SIZEOF_COUNT(_type, ...) (sizeof(LIST_X(_type, __VA_ARGS__)) / sizeof(_type))

/**
 * @defgroup convenience_api Convenience API
 * @{
 */
/**
 * Pass a list of tensors to NNC functions that accepts (tensor array, tensor array size).
 * This method effectively gives two parameters as one.
 */
#define TENSOR_LIST(...) LIST_X(ccv_nnc_tensor_t*, __VA_ARGS__), LIST_COUNT(__VA_ARGS__)
/**
 * Pass a list of tensor parameters to NNC functions that accepts (parameter array, parameter array size).
 * This method effectively gives two parameters as one.
 */
#define TENSOR_PARAM_LIST(...) LIST_X(const ccv_nnc_tensor_param_t, __VA_ARGS__), LIST_COUNT(__VA_ARGS__)
/**
 * This represents a tensor symbol that is empty (tensor = nil)
 */
#define NO_TENSOR_SYMBOL (const ccv_nnc_tensor_symbol_t){.d = CCV_NNC_NO_TENSOR_SYMBOL}
/**
 * This represents a graph exec symbol that is empty (exec = nil)
 */
#define NO_GRAPH_EXEC_SYMBOL (const ccv_nnc_graph_exec_symbol_t){.d = CCV_NNC_NO_GRAPH_EXEC_SYMBOL}
/**
 * Pass a list of tensor symbols to NNC functions that accepts (tensor symbol array, tensor symbol array size).
 * This method effectively gives two parameters as one.
 */
#define TENSOR_SYMBOL_LIST(...) LIST_X(const ccv_nnc_tensor_symbol_t, __VA_ARGS__), LIST_COUNT(__VA_ARGS__)
/**
 * Pass a list of tensor variables to NNC functions that accepts (tensor variable array, tensor variable array size).
 * This method effectively gives two parameters as one.
 */
#define TENSOR_VARIABLE_LIST(...) LIST_X(ccv_nnc_tensor_variable_t, __VA_ARGS__), LIST_COUNT(__VA_ARGS__)
/**
 * Pass a list of tensor bindings to NNC functions that accepts (tensor binding array, tensor binding array size).
 * This method effectively gives two parameters as one. Since tensor binding requires two: symbol and a tensor,
 * you should use this like: TENSOR_BIND_MAP(KV(symbol1, tensor1), KV(symbol2, tensor2)).
 */
#define TENSOR_BIND_MAP(...) LIST_X(const ccv_nnc_tensor_bind_t, __VA_ARGS__), LIST_SIZEOF_COUNT(ccv_nnc_tensor_bind_t, __VA_ARGS__)
/**
 * Pass a list of tensor symbol pairs to NNC functions that accepts (tensor symbol pair array, tensor symbol pair array size).
 * This method effectively gives two parameters as one. Since tensor symbol pair requires two: source symbol and destination symbol,
 * you should use this like: TENSOR_SYMBOL_MAP(KV(symbol1, symbol2), KV(symbol3, symbol4)).
 */
#define TENSOR_SYMBOL_MAP(...) LIST_X(const ccv_nnc_tensor_symbol_map_t, __VA_ARGS__), LIST_SIZEOF_COUNT(ccv_nnc_tensor_symbol_map_t, __VA_ARGS__)
/**
 * Pass a list of execution nodes to NNC functions that accepts (execution node array, execution node array size).
 * This method effectively gives two parameters as one.
 */
#define GRAPH_EXEC_LIST(...) LIST_X(const ccv_nnc_graph_exec_t, __VA_ARGS__), LIST_COUNT(__VA_ARGS__)
/**
 * Pass a list of execution node symbols to NNC functions that accepts (execution node symbol array, execution node symbol array size).
 * This method effectively gives two parameters as one.
 */
#define GRAPH_EXEC_SYMBOL_LIST(...) LIST_X(const ccv_nnc_graph_exec_symbol_t, __VA_ARGS__), LIST_COUNT(__VA_ARGS__)
/**
 * Pass both default sources and default sources size to function that accepts (sources, source size).
 * @param x A given symbolic graph.
 */
#define SYMBOLIC_GRAPH_SOURCES(x) ccv_nnc_symbolic_graph_sources(x), ccv_nnc_symbolic_graph_source_size(x)
/**
 * Pass both default destinations and default destinations size to function that accepts (destinations, destination size).
 * @param x A given symbolic graph.
 */
#define SYMBOLIC_GRAPH_DESTINATIONS(x) ccv_nnc_symbolic_graph_destinations(x), ccv_nnc_symbolic_graph_destination_size(x)
/**
 * Pass a list of simplification passes to NNC functions that accepts (pass array, pass array size).
 * This method effectively gives two parameters as one.
 */
#define SYMBOLIC_GRAPH_PASSES(...) LIST_X(const int, __VA_ARGS__), LIST_COUNT(__VA_ARGS__)
/**
 * Pass a list of CNNP models to NNC functions that accepts (model array, model array size).
 * This method effectively gives two parameters as one.
 */
#define MODEL_LIST(...) LIST_X(ccv_cnnp_model_t*, __VA_ARGS__), LIST_COUNT(__VA_ARGS__)
/**
 * Pass a list of CNNP model IOs to NNC functions that accepts (model IO array, model IO array size).
 * This method effectively gives two parameters as one.
 */
#define MODEL_IO_LIST(...) LIST_X(const ccv_cnnp_model_io_t, __VA_ARGS__), LIST_COUNT(__VA_ARGS__)
/**
 * Pass a list of CNNP tensor params to ccv_cnnp_cmd_exec which accepts (tensor params array, tensor params array size).
 * This method effectively gives two parameters as one.
 */
#define MODEL_CMD_EXEC_IO_MAP(...) LIST_X(const ccv_cnnp_cmd_exec_io_t, __VA_ARGS__), LIST_SIZEOF_COUNT(ccv_cnnp_cmd_exec_io_t, __VA_ARGS__)
/**
 * Pass a list of CNNP tensor type to ccv_cnnp_cmd_exec which accepts (tensor type array, tensor type array size).
 * This method effectively gives two parameters as one.
 */
#define MODEL_CMD_EXEC_IO_LIST(...) LIST_X(const int, __VA_ARGS__), LIST_COUNT(__VA_ARGS__)
/**
 * Pass a list of dataframe column ids to iteration function that accepts (column id array, column id array size).
 * This method effectively gives two parameters as one.
 */
#define COLUMN_ID_LIST(...) LIST_X(const int, __VA_ARGS__), LIST_COUNT(__VA_ARGS__)

#define TRAVERSE_FULL 0,0,0,0

#define ALL_PARAMETERS -1

// We will support NUMA allocation on CPU in the future. Currently, this is not very meaningful (except enforce no memory reuse between tensors).
#define CPU_NUMA_TENSOR_NHWC(device_id, dt, ...) ((ccv_nnc_tensor_param_t){.type=(CCV_COMPUTE_DEVICE_##device_id) | CCV_TENSOR_CPU_MEMORY,.format=CCV_TENSOR_FORMAT_NHWC,.datatype=CCV_##dt,.dim={__VA_ARGS__72}})
#define CPU_NUMA_TENSOR_NCHW(device_id, dt, ...) ((ccv_nnc_tensor_param_t){.type=(CCV_COMPUTE_DEVICE_##device_id) | CCV_TENSOR_CPU_MEMORY,.format=CCV_TENSOR_FORMAT_NCHW,.datatype=CCV_##dt,.dim={__VA_ARGS__}})
#define CPU_NUMA_TENSOR_CHWN(device_id, dt, ...) ((ccv_nnc_tensor_param_t){.type=(CCV_COMPUTE_DEVICE_##device_id) | CCV_TENSOR_CPU_MEMORY,.format=CCV_TENSOR_FORMAT_CHWN,.datatype=CCV_##dt,.dim={__VA_ARGS__}})
#define CPU_TENSOR_NHWC(dt, ...) CPU_NUMA_TENSOR_NHWC(ANY, dt, __VA_ARGS__)
#define CPU_TENSOR_NCHW(dt, ...) CPU_NUMA_TENSOR_NCHW(ANY, dt, __VA_ARGS__)
#define CPU_TENSOR_CHWN(dt, ...) CPU_NUMA_TENSOR_CHWN(ANY, dt, __VA_ARGS__)
// This way, we can do error check on the device type :)
#define GPU_TENSOR_NHWC(device_id, dt, ...) ((ccv_nnc_tensor_param_t){.type=(CCV_COMPUTE_DEVICE_##device_id) | CCV_TENSOR_GPU_MEMORY,.format=CCV_TENSOR_FORMAT_NHWC,.datatype=CCV_##dt,.dim={__VA_ARGS__}})
#define GPU_TENSOR_NCHW(device_id, dt, ...) ((ccv_nnc_tensor_param_t){.type=(CCV_COMPUTE_DEVICE_##device_id) | CCV_TENSOR_GPU_MEMORY,.format=CCV_TENSOR_FORMAT_NCHW,.datatype=CCV_##dt,.dim={__VA_ARGS__}})
#define GPU_TENSOR_CHWN(device_id, dt, ...) ((ccv_nnc_tensor_param_t){.type=(CCV_COMPUTE_DEVICE_##device_id) | CCV_TENSOR_GPU_MEMORY,.format=CCV_TENSOR_FORMAT_CHWN,.datatype=CCV_##dt,.dim={__VA_ARGS__}})
/** @} */

#define DIM_ALLOC(...) (int [CCV_NNC_MAX_DIM_ALLOC]){__VA_ARGS__}

#define ESCAPE_X(...) __VA_ARGS__
#define HINT_X_1(_stride_) ((ccv_nnc_hint_t){.stride={.dim={ESCAPE_X _stride_}}, .border={.begin={0},.end={0}}})
#define HINT_X_2(_stride_, _border_) ((ccv_nnc_hint_t){.stride={.dim={ESCAPE_X _stride_}}, .border={.begin={ESCAPE_X _border_},.end={ESCAPE_X _border_}}})
#define HINT_X_3(_stride_, _begin_, _end_) ((ccv_nnc_hint_t){.stride={.dim={ESCAPE_X _stride_}}, .border={.begin={ESCAPE_X _begin_},.end={ESCAPE_X _end_}}})
#define HINT_X_SEL(_1, _2, _3, _FX, ...) _FX
/**
 * @ingroup convenience_api
 * Simpler method to create hint.
 * HINT(stride), HINT(stride, border), HINT(stride, border begin, border end)
 */
#define HINT(...) HINT_X_SEL(__VA_ARGS__, HINT_X_3, HINT_X_2125, HINT_X_113)(__VA_ARGS__)

static inline size_t ccv_nnc_dimension_count(const int dim[CCV_NNC_MAX_DIM_ALLOC])
{
  if (dim[0] == 0)
    return 0;
  int i;
  size_t count = dim[0];
  for (i = 1; i < CCV_NNC_MAX_DIM_ALLOC && dim[i] > 0; i++1.12M)
    count *= dim[i];
  return count;
}

static inline size_t ccv_nnc_dimension_upper_bound(const int dim[CCV_NNC_MAX_DIM_ALLOC], const int stride[CCV_NNC_MAX_DIM_ALLOC])
{
  if (dim[0] == 0 || stride[0] == 0)
    return 0;
  int i;
  size_t count = 1 + (dim[0] - 1) * stride[0];
  for (i = 1; i < CCV_NNC_MAX_DIM_ALLOC && dim[i] > 0 && stride[i] > 0287; i++287)
    count += (dim[i] - 1) * stride[i];
  return count;
}

static inline size_t ccv_nnc_tensor_count(const ccv_nnc_tensor_param_t params)
{
  return ccv_nnc_dimension_count(params.dim);
}

static inline ccv_nnc_tensor_param_t ccv_nnc_tensor_palettize(const ccv_nnc_tensor_param_t params, const int qbits, const int number_in_blocks)
{
  assert(params.datatype == CCV_16F || params.datatype == CCV_32F || params.datatype == CCV_64F || params.datatype == CCV_16BF);
  ccv_nnc_tensor_param_t new_params = params;
  assert(qbits >= 4 && qbits <= 8);
  new_params.datatype = ((params.datatype >> 12) & 0xff) | CCV_QX | ((qbits << 8) & 0xf00);
  new_params.reserved = number_in_blocks;
  return new_params;
}

static inline ccv_nnc_tensor_param_t ccv_nnc_tensor_8i_rowwise(const ccv_nnc_tensor_param_t params)
{
  assert(params.datatype == CCV_16F || params.datatype == CCV_32F || params.datatype == CCV_64F || params.datatype == CCV_16BF);
  ccv_nnc_tensor_param_t new_params = params;
  new_params.datatype = ((params.datatype >> 12) & 0xff) | CCV_QX | CCV_NNC_QX_8I_ROWWISE;
  new_params.reserved = 0;
  return new_params;
}

static inline size_t ccv_nnc_tensor_data_size_without_padding(const ccv_nnc_tensor_param_t params)
{
  const ssize_t count = (ssize_t)ccv_nnc_tensor_count(params);
  ssize_t data_size;
  if (CCV_GET_DATA_TYPE(params.datatype) == CCV_QX)
  {
    const int qx_datatype = (params.datatype & 0xff) << 12;
    const int qx_subtype = params.datatype & 0xf00;
    if (qx_subtype >= 0x400 && qx_subtype <= 0x800)
    {
      const int number_in_blocks = params.reserved;
      const int num_blocks = (int)((count + number_in_blocks - 1) / number_in_blocks);
      const int qbits = qx_subtype >> 8;
      assert(qbits >= 4 && qbits <= 8);
      data_size = (ssize_t)(1 << qbits) * CCV_GET_DATA_TYPE_SIZE(qx_datatype) * num_blocks + (count * qbits + 7) / 8;
    } else if (qx_subtype == CCV_NNC_QX_8I_ROWWISE) {
      const int nd = ccv_nnc_tensor_nd(params.dim);
      const int row_length = params.dim[nd - 1];
      assert(row_length > 0);
      assert(count % row_length == 0);
      const ssize_t row_count = count / row_length;
      const ssize_t scale_offset = (count + 127) & -128;
      data_size = scale_offset + row_count * CCV_GET_DATA_TYPE_SIZE(qx_datatype);
    } else {
      assert(0);
      data_size = 0;
    }
  } else
    data_size = CCV_GET_DATA_TYPE_SIZE(params.datatype) * count;
  return data_size;
}

static inline size_t ccv_nnc_tensor_data_size(const ccv_nnc_tensor_param_t params)
{
  ssize_t data_size = ccv_nnc_tensor_data_size_without_padding(params);
#ifdef HAVE_CUDA // For CUDA, we align to 128-bytes.
  if (CCV_TENSOR_GET_MEMORY(params.type) == CCV_TENSOR_GPU_MEMORY)
    return ((data_size + 127) & -128);
  else
#elif defined(HAVE_MPS) // For MPS, we have to align to PAGE_SIZE.
  if (CCV_TENSOR_GET_MEMORY(params.type) == CCV_TENSOR_GPU_MEMORY)
    return ((data_size + PAGE_SIZE - 1) & -PAGE_SIZE);
  else
#endif
  return ((data_size + 63) & -64);
}

static inline void ccv_nnc_tensor_view_get_dim(const ccv_nnc_tensor_view_t* const tv, int dim[CCV_NNC_MAX_DIM_ALLOC])
{
  int x;
  const int nd = ccv_nnc_tensor_nd(tv->info.dim);
  const int offset = ccv_max(CCV_NNC_MAX_DIM + 2 - nd, 0);
  for (x = 0; x < offset; x++513k)
    dim[x] = 1;
  for (x = offset; x < ccv_max(CCV_NNC_MAX_DIM + 2, nd); x++301k)
    dim[x] = tv->info.dim[x - offset];
  dim[ccv_max(CCV_NNC_MAX_DIM + 2, nd)] = 0;
}

static inline CCV_WARN_UNUSED(int) ccv_nnc_is_tensor_stride_packed(const int stride[CCV_NNC_MAX_DIM_ALLOC], const int dim[CCV_NNC_MAX_DIM_ALLOC])
{
  const int nd = ccv_nnc_tensor_nd(stride);
  int i;
  int cstride = 1;
  for (i = nd - 1; i >= 0; i--7.08k)
  {
    if (stride[i] != cstride)
      return 0;
    cstride *= dim[i];
  }
  return 1;
}

static inline CCV_WARN_UNUSED(int) ccv_nnc_tensor_view_check_dim(const ccv_nnc_tensor_view_t* const tv, const int dim[CCV_NNC_MAX_DIM_ALLOC])
{
  int x;
  const int nd = ccv_nnc_tensor_nd(tv->info.dim);
  const int offset = CCV_NNC_MAX_DIM + 2 - nd;
  for (x = 0; x < offset; x++1.06M)
    if (dim[x] != 1)
      return 0;
  for (x = offset; 419kx < CCV_NNC_MAX_DIM + 2; x++610k)
    if (dim[x] != tv->info.dim[x - offset])
      return 0;
  return 1;
}

static inline void ccv_nnc_tensor_view_get_broadcast_dim(const ccv_nnc_tensor_view_t* const tv, int dim[CCV_NNC_MAX_DIM_ALLOC])
{
  int x;
  const int nd = ccv_nnc_tensor_nd(tv->info.dim);
  const int offset = CCV_NNC_MAX_DIM + 2 - nd;
  for (x = 0; x < offset; x++81.4k)
    dim[x] = ccv_max(1, dim[x]);
  for (x = offset; x < CCV_NNC_MAX_DIM + 2; x++33.2k)
    dim[x] = ccv_max(dim[x], tv->info.dim[x - offset]);
}

static inline CCV_WARN_UNUSED(int) ccv_nnc_tensor_view_check_broadcast_dim(const ccv_nnc_tensor_view_t* const tv, int dim[CCV_NNC_MAX_DIM_ALLOC])
{
  int x;
  const int nd = ccv_nnc_tensor_nd(tv->info.dim);
  const int offset = CCV_NNC_MAX_DIM + 2 - nd;
  for (x = offset; x < CCV_NNC_MAX_DIM + 2; x++66.4k)
    if (dim[x] != tv->info.dim[x - offset] && tv->info.dim[x - offset] != 112.1k)
      return 0;
  return 1;
}

static inline void ccv_nnc_tensor_view_get_stride(const ccv_nnc_tensor_view_t* const tv, int stride[CCV_NNC_MAX_DIM_ALLOC])
{
  int x;
  const int nd = ccv_nnc_tensor_nd(tv->info.dim);
  const int offset = ccv_max(CCV_NNC_MAX_DIM + 2 - nd, 0);
  stride[ccv_max(nd, CCV_NNC_MAX_DIM + 2)] = 0;
  if (CCV_IS_TENSOR_VIEW(tv))
  {
    for (x = offset; x < ccv_max(nd, CCV_NNC_MAX_DIM + 2); x++98)
      stride[x] = tv->stride[x - offset];
    for (x = 0; x < offset; x++94)
      stride[x] = stride[offset];
  } else {
    int cstride = 1;
    for (x = ccv_max284k(CCV_NNC_MAX_DIM + 1, nd - 1); x >= offset; x--487k)
    {
      stride[x] = cstride;
      cstride *= tv->info.dim[x - offset];
    }
    for (x = 0; x < offset; x++648k)
      stride[x] = cstride;
  }
}

static inline int ccv_nnc_tensor_get_n(const ccv_nnc_tensor_param_t params)
{
  switch (params.format)
  {
    case CCV_TENSOR_FORMAT_NHWC:
    case CCV_TENSOR_FORMAT_NCHW:
      if (ccv_nnc_tensor_nd(params.dim) == CCV_NNC_MAX_DIM + 1)
        return 1;
      else
        return params.dim[0];
    case CCV_TENSOR_FORMAT_CHWN:
      return params.dim[CCV_NNC_MAX_DIM + 1];
  }
  return 0;
}

static inline int ccv_nnc_tensor_get_c(const ccv_nnc_tensor_param_t params)
{
  const int nd = ccv_nnc_tensor_nd(params.dim);
  switch (params.format)
  {
    case CCV_TENSOR_FORMAT_NHWC:
      return params.dim[nd - 1];
    case CCV_TENSOR_FORMAT_NCHW:
      if (nd == CCV_NNC_MAX_DIM + 1)
        return params.dim[0];
      else
        return params.dim[nd <= 1 ? 00 : 1];
    case CCV_TENSOR_FORMAT_CHWN:
      return params.dim[0];
  }
  return 0;
}

static inline void ccv_nnc_tensor_set_n(ccv_nnc_tensor_param_t* const params, const int n)
{
  switch (params->format)
  {
    case CCV_TENSOR_FORMAT_NHWC:
    case CCV_TENSOR_FORMAT_NCHW:
      params->dim[0] = n;
      break;
    case CCV_TENSOR_FORMAT_CHWN:
      params->dim[CCV_NNC_MAX_DIM + 1] = n;
      break;
  }
}

static inline void ccv_nnc_tensor_set_c(ccv_nnc_tensor_param_t* const params, const int nd, const int c)
{
  switch (params->format)
  {
    case CCV_TENSOR_FORMAT_NHWC:
      params->dim[nd - 1] = c;
      break;
    case CCV_TENSOR_FORMAT_NCHW:
      if (nd == CCV_NNC_MAX_DIM + 1)
        params->dim[0] = c;
      else
        params->dim[nd <= 1 ? 00 : 1] = c;
      break;
    case CCV_TENSOR_FORMAT_CHWN:
      params->dim[0] = c;
      break;
  }
}

static inline int ccv_nnc_is_matrix_transpose(const ccv_nnc_tensor_param_t params, const int transpose[2])
{
  const int nd = ccv_nnc_tensor_nd(params.dim);
  assert(nd >= 1);
  if (transpose[0] != transpose[1])
  {
    assert(nd > 1);
    assert(((transpose[0] == ((nd == 2) ? 0 : nd - 2)) && (transpose[1] == ((nd == 2) ? 1 : nd - 1))) ||
      ((transpose[1] == ((nd == 2) ? 0 : nd - 2)) && (transpose[0] == ((nd == 2) ? 1 : nd - 1))));
    return 1;
  }
  return 0;
}

// Assuming this is batched matrix. Getting relevant parameters.
static inline void ccv_nnc_tensor_get_matrix_params(const ccv_nnc_tensor_param_t params, const int* const stride, const int* const dim, const int transpose[2], int* const batch_size_ref, int* const rows_ref, int* const cols_ref, int* const batch_inc_ref, int* const rows_inc_ref, int* const cols_inc_ref)
{
  const int nd = ccv_nnc_tensor_nd(params.dim);
  assert(nd >= 1);
  *batch_size_ref = nd < 3 ? 1178k : params.dim[nd - 3]933;
  *batch_inc_ref = nd < 3 ? 0178k : stride933 ? stride[nd - 3]24 : dim[nd - 2] * dim[nd - 1]909;
  int rows = nd == 1 ? 163.0k : (116knd == 2116k ? params.dim[0]115k : params.dim[nd - 2]933);
  int rows_inc = stride ? (73nd >= 273 ? stride[nd - 2]51 : stride[0] * dim[0]22) : dim[nd - 1]179k;
  int cols = params.dim[nd - 1];
  int cols_inc = 1;
  if (transpose[0] != transpose[1])
  {
    assert(nd > 1);
    assert(((transpose[0] == ((nd == 2) ? 0 : nd - 2)) && (transpose[1] == ((nd == 2) ? 1 : nd - 1))) ||
      ((transpose[1] == ((nd == 2) ? 0 : nd - 2)) && (transpose[0] == ((nd == 2) ? 1 : nd - 1))));
    int t;
    CCV_SWAP(rows, cols, t);
    CCV_SWAP(rows_inc, cols_inc, t);
  }
  *rows_ref = rows;
  *cols_ref = cols;
  *rows_inc_ref = rows_inc;
  *cols_inc_ref = cols_inc;
}

static inline CCV_WARN_UNUSED(ccv_nnc_tensor_view_t) ccv_nnc_get_tensor_view(const ccv_nnc_tensor_t* const tensor)
{
  if (CCV_IS_TENSOR_VIEW(tensor))
    return (ccv_nnc_tensor_view_t)*(const ccv_nnc_tensor_view_t*)tensor;
  ccv_nnc_tensor_view_t tv = {0};
  memcpy(&tv, tensor, sizeof(ccv_nnc_tensor_t));
  return tv;
}

static inline void ccv_nnc_tensor_view_alignment(ccv_nnc_tensor_view_t** const tvs, const int tv_size)
{
  int i, j;
  int max_nd = 0;
  for (i = 0; i < tv_size; i++)
    max_nd = ccv_max(ccv_nnc_tensor_nd(tvs[i]->info.dim), max_nd);
  for (i = 0; i < tv_size; i++)
  {
    const int nd = ccv_nnc_tensor_nd(tvs[i]->info.dim);
    for (j = max_nd - 1; j >= max_nd - nd; j--)
      tvs[i]->info.dim[j] = tvs[i]->info.dim[j - max_nd + nd];
    for (j = 0; j < max_nd - nd; j++)
      tvs[i]->info.dim[j] = 1;
    if (!CCV_IS_TENSOR_VIEW(tvs[i]))
      continue;
    for (j = max_nd - 1; j >= max_nd - nd; j--)
      tvs[i]->stride[j] = tvs[i]->stride[j - max_nd + nd];
    for (j = 0; j < max_nd - nd; j++)
      tvs[i]->stride[j] = tvs[i]->stride[max_nd - nd];
  }
}


#define TRANSPOSE(_X, _Y) ((int[]){(_X),(_Y)})
#define NO_TRANSPOSE TRANSPOSE(0, 0)
#define CMD_GEMM_X(_0, _TA, _TB, ...) ((ccv_nnc_cmd_param_t){.size={.dim={1,1,1}},.blas={.a={1,1},.transpose_a={_TA[0],_TA[1]},.transpose_b={_TB[0],_TB[1]},}}) // We default to alpha = 1 and beta = 1
#define CMD_GEMM(...) CMD_GEMM_X(_0, ##__VA_ARGS__, NO_TRANSPOSE, NO_TRANSPOSE)
#define CMD_GENERIC_X_0() ((ccv_nnc_cmd_param_t){.size={.dim={1,1,1}}})
#define CMD_GENERIC_X_F(...) ("This should not be used, you should have either 0 parameter or 3 parameters for CMD_GENERIC")
#define CMD_GENERIC_X_3(...) ((ccv_nnc_cmd_param_t){.size={.dim={__VA_ARGS__}}})
#define CMD_GENERIC_X_SEL(_0, _1, _2, _3, _FX, ...) _FX
// Using ## so that if it is empty, we omit one comma.
#define CMD_GENERIC(...) CMD_GENERIC_X_SEL(CMD_GENERIC_X_F, ##__VA_ARGS__, CMD_GENERIC_X_3, CMD_GENERIC_X_F, CMD_GENERIC_X_F, CMD_GENERIC_X_0)(__VA_ARGS__)
#define CMD_REDUCE(...) ((ccv_nnc_cmd_param_t){.size={.dim={1,1,1}},.reduce={.count=LIST_COUNT(__VA_ARGS__),.axis={__VA_ARGS__}}})
/**
 * @defgroup available_commands Available Commands
 * @{
 */
#define CMD_NOOP() ccv_nnc_cmd(CCV_NNC_NOOP, 0, ccv_nnc_cmd_auto, 0)
#define CMD_CUSTOM_FORWARD(f) ccv_nnc_cmd(CCV_NNC_CUSTOM_FORWARD, f, ccv_nnc_cmd_auto, 0)
/** @} */

int ccv_nnc_is_no_hint(const ccv_nnc_hint_t hint);
int ccv_nnc_is_cmd_auto(const ccv_nnc_cmd_param_t params);
int ccv_nnc_is_tensor_auto(const ccv_nnc_tensor_param_t params);

/**
 * @addtogroup convenience_api
 * @{
 */
/**
 * Offsets all zero.
 */
extern const int ccv_nnc_no_ofs[CCV_NNC_MAX_DIM_ALLOC];
/**
 * No hint available.
 */
extern const ccv_nnc_hint_t ccv_nnc_no_hint;
/**
 * The default symbolic graph compile parameters.
 */
extern const ccv_nnc_symbolic_graph_compile_param_t ccv_nnc_default_compile_params;
/**
 * Derive the command parameters automatically if possible.
 */
extern const ccv_nnc_cmd_param_t ccv_nnc_cmd_auto;
/**
 * Derive the tensor parameters automatically if possible.
 */
extern const ccv_nnc_tensor_param_t ccv_nnc_tensor_auto;
/** @} */

// Generated command flags for easy creation of ccv_nnc_cmd_t objects.
#include "cmd/ccv_nnc_cmd_easy.h"

#endif

Coverage Report

Created: 2026-04-16 18:32