## Coverage Report

#### Created: 2026-04-18 18:15

next uncovered line (L), next uncovered region (R), next uncovered branch (B)

    /home/liu/actions-runner/_work/ccv/ccv/lib/nnc/cmd/compare/ccv_nnc_cmp.c

    Line
    Count
    Source
    1
    #include "ccv.h"
    2
    #include "ccv_internal.h"
    3
    #include "nnc/ccv_nnc.h"
    4
    #include "nnc/ccv_nnc_internal.h"
    5
    #include "nnc/ccv_nnc_easy.h"
    6
    7
    static int _ccv_nnc_arbitary_inplace(const ccv_nnc_cmd_param_t cmd, const int input_idx, const int input_size, const int output_idx, const int output_size)
    8
    0
    {
    9
    0
      return 1;
    10
    0
    }
    11
    12
    static int _ccv_nnc_cmp_forw_bitmask(const ccv_nnc_cmd_param_t cmd, const int input_size, const int output_size, const uint64_t* const input_bitmasks, const int input_bitmask_size, const uint64_t* const output_bitmasks, const int output_bitmask_size)
    13
    4
    {
    14
    4
      if ((input_bitmasks[0] & 3u) == ((1u << 0) | (1u << 1)) && output_bitmasks[0] == 1u)
    15
    4
        return 1;
    16
    0
      return 0;
    17
    4
    }
    18
    19
    static int _ccv_nnc_cmp_back_bitmask(const ccv_nnc_cmd_param_t cmd, const int input_size, const int output_size, const uint64_t* const input_bitmasks, const int input_bitmask_size, const uint64_t* const output_bitmasks, const int output_bitmask_size)
    20
    0
    {
    21
      // w.r.t. both x and y, either way, need gradient, input x, input y.
    22
    0
      if ((input_bitmasks[0] & 7u) == 7u && output_bitmasks[0] == ((1u << 0) | (1u << 1)))
    23
    0
        return 1;
    24
    0
      return 0;
    25
    0
    }
    26
    27
    REGISTER_COMMAND(CCV_NNC_MIN_FORWARD)(ccv_nnc_cmd_registry_t* const registry)
    28
      FIND_BACKEND(ccv_nnc_min_cpu_ref.c, gpu/ccv_nnc_min_gpu_ref.cu)
    29
    1
    {
    30
    1
      registry->bitmask = _ccv_nnc_cmp_forw_bitmask;
    31
    1
      registry->tensor_auto = ccv_nnc_hint_tensor_auto_forward_from_inputs;
    32
    1
      registry->allow_inplace = _ccv_nnc_arbitary_inplace;
    33
    1
    }
    34
    35
    REGISTER_COMMAND(CCV_NNC_MIN_BACKWARD)(ccv_nnc_cmd_registry_t* const registry)
    36
      FIND_BACKEND(ccv_nnc_min_cpu_ref.c, gpu/ccv_nnc_min_gpu_ref.cu)
    37
    1
    {
    38
    1
      registry->flags = CCV_NNC_CMD_ATTR_NULL_IS_ONES;
    39
    1
      registry->bitmask = _ccv_nnc_cmp_back_bitmask;
    40
    1
      registry->tensor_auto = ccv_nnc_hint_tensor_auto_backward_from_gradient;
    41
    1
      registry->allow_inplace = _ccv_nnc_arbitary_inplace;
    42
    1
    }
    43
    44
    //@REGISTER_EASY_COMMAND_MACRO(CCV_NNC_MIN_FORWARD)
    45
    #define CMD_MIN_FORWARD() ccv_nnc_cmd(CCV_NNC_MIN_FORWARD, 0, (ccv_nnc_cmd_param_t){.size={.dim={1,1,1}}}, 0)
    46
    //@REGISTER_EASY_COMMAND_MACRO(CCV_NNC_MIN_BACKWARD)
    47
    #define CMD_MIN_BACKWARD() ccv_nnc_cmd(CCV_NNC_MIN_BACKWARD, 0, (ccv_nnc_cmd_param_t){.size={.dim={1,1,1}}}, 0)
    48
    49
    REGISTER_COMMAND(CCV_NNC_MAX_FORWARD)(ccv_nnc_cmd_registry_t* const registry)
    50
      FIND_BACKEND(ccv_nnc_max_cpu_ref.c, gpu/ccv_nnc_max_gpu_ref.cu)
    51
    1
    {
    52
    1
      registry->bitmask = _ccv_nnc_cmp_forw_bitmask;
    53
    1
      registry->tensor_auto = ccv_nnc_hint_tensor_auto_forward_from_inputs;
    54
    1
      registry->allow_inplace = _ccv_nnc_arbitary_inplace;
    55
    1
    }
    56
    57
    REGISTER_COMMAND(CCV_NNC_MAX_BACKWARD)(ccv_nnc_cmd_registry_t* const registry)
    58
      FIND_BACKEND(ccv_nnc_max_cpu_ref.c, gpu/ccv_nnc_max_gpu_ref.cu)
    59
    1
    {
    60
    1
      registry->flags = CCV_NNC_CMD_ATTR_NULL_IS_ONES;
    61
    1
      registry->bitmask = _ccv_nnc_cmp_back_bitmask;
    62
    1
      registry->tensor_auto = ccv_nnc_hint_tensor_auto_backward_from_gradient;
    63
    1
      registry->allow_inplace = _ccv_nnc_arbitary_inplace;
    64
    1
    }
    65
    66
    //@REGISTER_EASY_COMMAND_MACRO(CCV_NNC_MAX_FORWARD)
    67
    #define CMD_MAX_FORWARD() ccv_nnc_cmd(CCV_NNC_MAX_FORWARD, 0, (ccv_nnc_cmd_param_t){.size={.dim={1,1,1}}}, 0)
    68
    //@REGISTER_EASY_COMMAND_MACRO(CCV_NNC_MAX_BACKWARD)
    69
    #define CMD_MAX_BACKWARD() ccv_nnc_cmd(CCV_NNC_MAX_BACKWARD, 0, (ccv_nnc_cmd_param_t){.size={.dim={1,1,1}}}, 0)