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direct_atom_op.cc
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direct_atom_op.cc
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#include "direct_atom_op.hpp"
#include <assert.h>
#include "config.hpp"
direct_atom_template_t *init_direct_atom_template(code_builder_t *builder, unsigned long dense_block_id)
{
assert(builder != NULL);
assert(builder->op_manager != NULL);
assert(builder->op_manager->matrix != NULL);
sparse_struct_t *matrix = builder->op_manager->matrix;
// 初始化atom必备的几个数组
direct_atom_template_t *new_template = new direct_atom_template_t();
new_template->dense_block_index = dense_block_id;
assert(dense_block_id < matrix->block_coor_table.item_arr.size());
new_template->matrix = matrix;
new_template->kernal_first_row_index = matrix->block_coor_table.item_arr[dense_block_id]->min_dense_row_index;
new_template->kernal_first_col_index = matrix->block_coor_table.item_arr[dense_block_id]->min_dense_col_index;
compressed_block_t *compressed_block_view = matrix->block_coor_table.item_arr[dense_block_id]->compressed_block_ptr;
if (matrix->block_coor_table.item_arr[dense_block_id]->min_dense_col_index == 0 && matrix->block_coor_table.item_arr[dense_block_id]->max_dense_col_index == matrix->dense_col_number - 1)
{
// 稠密子块之间没有共享的行
}
else
{
new_template->is_atom_add = true;
}
// 将reduce相关的索引删掉
// delete_arr_with_data_type(compressed_block_view->y_write_index[0]->index_arr, compressed_block_view->y_write_index[0]->index_data_type);
// 首先处理每一线程的全局行索引,将全局行索引搞出来
// 分别遍历三个层次的索引
index_of_compress_block_t *block_level_index = compressed_block_view->read_index[2];
index_of_compress_block_t *warp_level_index = compressed_block_view->read_index[3];
index_of_compress_block_t *thread_level_index = compressed_block_view->read_index[4];
assert(block_level_index->level_of_this_index == TBLOCK_LEVEL);
assert(warp_level_index->level_of_this_index == WRAP_LEVEL);
assert(thread_level_index->level_of_this_index == THREAD_LEVEL);
// 暂时不支持在密集子块的padding
assert(matrix->block_coor_table.item_arr[dense_block_id]->max_dense_row_index == block_level_index->max_row_index);
assert(matrix->block_coor_table.item_arr[dense_block_id]->max_dense_row_index == warp_level_index->max_row_index);
assert(matrix->block_coor_table.item_arr[dense_block_id]->max_dense_row_index == thread_level_index->max_row_index);
assert(thread_level_index->coo_block_size_arr != NULL);
if (thread_level_index->row_number_of_block_arr != NULL)
{
cout << "thread_level_index->row_number_of_block_arr must be NULL, row num in thread level block must be 1" << endl;
assert(false);
}
// 每个thread的全局行索引
vector<unsigned long> global_thread_row_index_vec;
// cout << 2 << endl;
// 遍历三个层次的索引
for (unsigned long index_of_block_level_index = 0; index_of_block_level_index < block_level_index->block_num; index_of_block_level_index++)
{
// cout << "index_of_block_level_index:" << index_of_block_level_index << endl;
// 当前block的首行行号
unsigned long block_first_row_index = read_from_array_with_data_type(block_level_index->index_of_the_first_row_arr, block_level_index->data_type_of_index_of_the_first_row_arr, index_of_block_level_index);
// block中第一个warp号和下一个block的首warp
unsigned long this_block_first_warp_index = read_from_array_with_data_type(block_level_index->index_arr, block_level_index->index_data_type, index_of_block_level_index);
unsigned long next_block_first_warp_index = read_from_array_with_data_type(block_level_index->index_arr, block_level_index->index_data_type, index_of_block_level_index + 1);
// 遍历warp层次
for (unsigned long index_of_warp_level_index = this_block_first_warp_index; index_of_warp_level_index < next_block_first_warp_index; index_of_warp_level_index++)
{
assert(index_of_warp_level_index < warp_level_index->block_num);
unsigned long warp_first_row_index = read_from_array_with_data_type(warp_level_index->index_of_the_first_row_arr, warp_level_index->data_type_of_index_of_the_first_row_arr, index_of_warp_level_index);
unsigned long this_warp_first_thread_index = read_from_array_with_data_type(warp_level_index->index_arr, warp_level_index->index_data_type, index_of_warp_level_index);
unsigned long next_warp_first_thread_index = read_from_array_with_data_type(warp_level_index->index_arr, warp_level_index->index_data_type, index_of_warp_level_index + 1);
for (unsigned long index_of_thread_level_index = this_warp_first_thread_index; index_of_thread_level_index < next_warp_first_thread_index; index_of_thread_level_index++)
{
// assert(index_of_thread_level_index < thread_level_index->block_num);
if (index_of_thread_level_index >= thread_level_index->block_num)
{
cout << "index_of_thread_level_index:" << index_of_thread_level_index << ", "
<< "thread_level_index->block_num:" << thread_level_index->block_num << ", "
<< "dense_block_id:" << dense_block_id << endl;
assert(false);
}
unsigned long thread_first_row_index = read_from_array_with_data_type(thread_level_index->index_of_the_first_row_arr, thread_level_index->data_type_of_index_of_the_first_row_arr, index_of_thread_level_index);
// 全局的行索引
unsigned long global_thread_row_index = block_first_row_index + warp_first_row_index + thread_first_row_index;
// 小于当前块的全局行数量
assert(global_thread_row_index < (thread_level_index->max_row_index - thread_level_index->min_row_index + 1));
global_thread_row_index_vec.push_back(global_thread_row_index);
// 将最后两个值进行比较,如果相等就代表要用原子加
if (global_thread_row_index_vec.size() >= 2)
{
if (global_thread_row_index_vec[global_thread_row_index_vec.size() - 1] == global_thread_row_index_vec[global_thread_row_index_vec.size() - 2])
{
// 有行共享
new_template->is_atom_add = true;
}
}
}
}
}
// cout << 3 << endl;
assert(global_thread_row_index_vec.size() == thread_level_index->block_num);
// 剩下几个数组直接拷
new_template->data_type_of_block_begin_warp_index_offset = block_level_index->index_data_type;
new_template->block_begin_warp_index_offset = block_level_index->index_arr;
new_template->size_of_block_begin_warp_index_offset = block_level_index->length;
new_template->data_type_of_warp_begin_thread_index_offset = warp_level_index->index_data_type;
new_template->warp_begin_thread_index_offset = warp_level_index->index_arr;
new_template->size_of_warp_begin_thread_index_offset = warp_level_index->length;
new_template->data_type_of_thread_block_size_in_warp = thread_level_index->data_type_of_coo_block_size_arr;
new_template->thread_block_size_in_warp = thread_level_index->coo_block_size_arr;
new_template->size_of_thread_block_size_in_warp = warp_level_index->block_num;
// block和warp第一个非零元的索引,都按照各自的block size初始化
new_template->data_type_of_block_nz_begin_offset = block_level_index->data_type_of_coo_begin_index_arr;
new_template->block_nz_begin_offset = block_level_index->coo_begin_index_arr;
new_template->size_of_block_nz_begin_offset = block_level_index->block_num;
new_template->data_type_of_warp_nz_begin_offset = warp_level_index->data_type_of_coo_begin_index_arr;
new_template->warp_nz_begin_offset = warp_level_index->coo_begin_index_arr;
new_template->size_of_warp_nz_begin_offset = warp_level_index->block_num;
// 值
new_template->data_type_of_val_arr = compressed_block_view->val_data_type;
new_template->val_arr = compressed_block_view->staggered_padding_val_arr;
new_template->size_of_val_arr = compressed_block_view->staggered_padding_val_arr_size;
// 列
new_template->data_type_of_col_index_arr = compressed_block_view->read_index[6]->index_data_type;
new_template->col_index_arr = compressed_block_view->read_index[6]->index_arr;
new_template->size_of_col_index_arr = compressed_block_view->read_index[6]->length;
assert(new_template->size_of_val_arr == new_template->size_of_col_index_arr);
// 最后给出排序索引类型和具体的数组
if (compressed_block_view->y_write_index.size() > 0)
{
// 在子块内排序了
assert(compressed_block_view->is_sorted == true && builder->sub_block_sort_type_vec[dense_block_id] == SUB_BLOCK_SORT && matrix->is_sorted == false);
new_template->global_sort_index = false;
new_template->local_sort_index = true;
// 拷贝
new_template->data_type_of_row_index_before_sort = compressed_block_view->y_write_index[0]->index_data_type;
new_template->row_index_before_sort = compressed_block_view->y_write_index[0]->index_arr;
new_template->size_of_row_index_before_sort = compressed_block_view->y_write_index[0]->length;
// 找出原来的索引
for (unsigned long row_index_id = 0; row_index_id < global_thread_row_index_vec.size(); row_index_id++)
{
// 当前行号
unsigned long cur_row_index = global_thread_row_index_vec[row_index_id];
assert(cur_row_index < new_template->size_of_row_index_before_sort);
// 排序之前的位置
unsigned long row_index_before_sort = read_from_array_with_data_type(new_template->row_index_before_sort, new_template->data_type_of_row_index_before_sort, cur_row_index);
// 重置索引
global_thread_row_index_vec[row_index_id] = row_index_before_sort;
}
}
else if (matrix->sorted_row_index != NULL)
{
cout << "init_direct_atom_template: have global sort" << endl;
// 在全局范围内有排序
assert(compressed_block_view->is_sorted == false && matrix->is_sorted == true && builder->sub_block_sort_type_vec[dense_block_id] == GLOBAL_SORT);
new_template->global_sort_index = true;
new_template->local_sort_index = false;
// 拷贝
new_template->data_type_of_row_index_before_sort = matrix->data_type_of_sorted_row_index;
new_template->row_index_before_sort = matrix->sorted_row_index;
new_template->size_of_row_index_before_sort = matrix->dense_row_number;
// 找出原本的索引
for (unsigned long row_index_id = 0; row_index_id < global_thread_row_index_vec.size(); row_index_id++)
{
// 当前行号
unsigned long cur_row_index = global_thread_row_index_vec[row_index_id];
// 真实行号
unsigned long matrix_level_row_index = cur_row_index + matrix->block_coor_table.item_arr[dense_block_id]->min_dense_row_index;
assert(matrix_level_row_index < new_template->size_of_row_index_before_sort);
// 找出之前
unsigned long row_index_before_sort = read_from_array_with_data_type(new_template->row_index_before_sort, new_template->data_type_of_row_index_before_sort, matrix_level_row_index);
global_thread_row_index_vec[row_index_id] = row_index_before_sort;
}
}
// 确定数据类型的大小
unsigned long max_global_row_index_of_thread_level_block = *max_element(global_thread_row_index_vec.begin(), global_thread_row_index_vec.end());
new_template->data_type_of_global_row_index_of_thread_level_block = find_most_suitable_data_type(max_global_row_index_of_thread_level_block);
// 创建对应数组
new_template->global_row_index_of_thread_level_block = malloc_arr(global_thread_row_index_vec.size(), new_template->data_type_of_global_row_index_of_thread_level_block);
// 对应数组的长度
new_template->size_of_global_row_index_of_thread_level_block = global_thread_row_index_vec.size();
// 拷贝数组
copy_unsigned_long_arr_to_others(&(global_thread_row_index_vec[0]), new_template->global_row_index_of_thread_level_block, new_template->data_type_of_global_row_index_of_thread_level_block, new_template->size_of_global_row_index_of_thread_level_block);
// 初始化为不使用压缩,压缩也需要元数据
new_template->global_row_index_compress = NONE_COMPRESS;
new_template->block_begin_warp_index_compress = NONE_COMPRESS;
new_template->warp_begin_thread_index_compress = NONE_COMPRESS;
new_template->thread_block_size_compress = NONE_COMPRESS;
new_template->row_index_before_sort_compress = NONE_COMPRESS;
new_template->warp_nz_begin_offset_compress = NONE_COMPRESS;
new_template->block_nz_begin_offset_compress = NONE_COMPRESS;
return new_template;
}
bool is_supported_by_direct_atom_template(sparse_struct_t *matrix, unsigned long dense_block_id)
{
assert(dense_block_id < matrix->block_coor_table.item_arr.size());
assert(matrix->block_coor_table.item_arr[dense_block_id] != NULL);
assert(matrix->block_coor_table.item_arr[dense_block_id]->compressed_block_ptr != NULL);
assert(matrix->block_coor_table.item_arr[dense_block_id]->compressed_block_ptr->read_index.size() == 7);
compressed_block_t *compressed_block_view = matrix->block_coor_table.item_arr[dense_block_id]->compressed_block_ptr;
index_of_compress_block_t *block_level_index = compressed_block_view->read_index[2];
index_of_compress_block_t *warp_level_index = compressed_block_view->read_index[3];
index_of_compress_block_t *thread_level_index = compressed_block_view->read_index[4];
assert(block_level_index->level_of_this_index == TBLOCK_LEVEL);
assert(warp_level_index->level_of_this_index == WRAP_LEVEL);
assert(thread_level_index->level_of_this_index == THREAD_LEVEL);
if (thread_level_index->row_number_of_block_arr != NULL)
{
return false;
}
return true;
}
bool is_supported_by_direct_atom_template(code_builder_t *builder, unsigned long dense_block_id)
{
assert(builder != NULL);
assert(builder->op_manager != NULL);
assert(builder->op_manager->matrix != NULL);
sparse_struct_t *matrix = builder->op_manager->matrix;
// 在压缩视图下padding之后不支持
if (matrix->block_coor_table.item_arr[dense_block_id]->max_dense_row_index != matrix->block_coor_table.item_arr[dense_block_id]->compressed_block_ptr->read_index[0]->max_row_index)
{
return false;
}
if (matrix->block_coor_table.item_arr[dense_block_id]->max_dense_row_index != matrix->block_coor_table.item_arr[dense_block_id]->compressed_block_ptr->read_index[1]->max_row_index)
{
return false;
}
if (matrix->block_coor_table.item_arr[dense_block_id]->max_dense_row_index != matrix->block_coor_table.item_arr[dense_block_id]->compressed_block_ptr->read_index[2]->max_row_index)
{
return false;
}
if (matrix->block_coor_table.item_arr[dense_block_id]->max_dense_row_index != matrix->block_coor_table.item_arr[dense_block_id]->compressed_block_ptr->read_index[3]->max_row_index)
{
return false;
}
return is_supported_by_direct_atom_template(matrix, dense_block_id);
}
void store_template_data(direct_atom_template_t *output_template, string output_dir, bool force_not_share_global_sort_index)
{
srand(time(0));
unsigned long matrix_id = rand() + time(0) % 1000;
// 写这个模板所需要数据的文件夹名称
output_dir = output_dir + "/" + to_string(matrix_id) + "_" + to_string(get_config()["DEFAULT_DEVICE_ID"].as_integer());
// 创建这个文件夹
system(("mkdir " + output_dir).c_str());
// 要写到硬盘中的数据
// void* global_row_index_of_thread_level_block = NULL;
// void* block_begin_warp_index_offset = NULL;
// void* warp_begin_thread_index_offset = NULL;
// void* thread_block_size_in_warp = NULL;
// void* row_index_before_sort = NULL;
// 只有不压缩的时候才持久化
if (output_template->global_row_index_compress == NONE_COMPRESS)
{
assert(output_template->global_row_index_of_thread_level_block != NULL);
print_arr_to_file_with_data_type(output_template->global_row_index_of_thread_level_block, output_template->data_type_of_global_row_index_of_thread_level_block, output_template->size_of_global_row_index_of_thread_level_block, output_dir + "/global_row_index_of_thread_level_block");
}
if (output_template->block_begin_warp_index_compress == NONE_COMPRESS)
{
assert(output_template->block_begin_warp_index_offset != NULL);
print_arr_to_file_with_data_type(output_template->block_begin_warp_index_offset, output_template->data_type_of_block_begin_warp_index_offset, output_template->size_of_block_begin_warp_index_offset, output_dir + "/block_begin_warp_index_offset");
}
if (output_template->warp_begin_thread_index_compress == NONE_COMPRESS)
{
assert(output_template->warp_begin_thread_index_offset != NULL);
print_arr_to_file_with_data_type(output_template->warp_begin_thread_index_offset, output_template->data_type_of_warp_begin_thread_index_offset, output_template->size_of_warp_begin_thread_index_offset, output_dir + "/warp_begin_thread_index_offset");
}
if (output_template->thread_block_size_compress == NONE_COMPRESS)
{
// 这和数组一定有
assert(output_template->thread_block_size_in_warp != NULL);
print_arr_to_file_with_data_type(output_template->thread_block_size_in_warp, output_template->data_type_of_thread_block_size_in_warp, output_template->size_of_thread_block_size_in_warp, output_dir + "/thread_block_size_in_warp");
}
if (output_template->row_index_before_sort_compress == NONE_COMPRESS && output_template->row_index_before_sort != NULL)
{
assert(output_template->row_index_before_sort != NULL);
// 如果是全局排序,只有第一个才需要存排序之后的行索引
if (output_template->local_sort_index == true)
{
assert(output_template->global_sort_index == false);
print_arr_to_file_with_data_type(output_template->row_index_before_sort, output_template->data_type_of_row_index_before_sort, output_template->size_of_row_index_before_sort, output_dir + "/row_index_before_sort");
}
else if (output_template->global_sort_index == true && (output_template->dense_block_index == 0 || force_not_share_global_sort_index == true))
{
assert(output_template->local_sort_index == false);
print_arr_to_file_with_data_type(output_template->row_index_before_sort, output_template->data_type_of_row_index_before_sort, output_template->size_of_row_index_before_sort, output_dir + "/row_index_before_sort");
}
}
if (output_template->block_nz_begin_offset_compress == NONE_COMPRESS)
{
assert(output_template->block_nz_begin_offset != NULL);
print_arr_to_file_with_data_type(output_template->block_nz_begin_offset, output_template->data_type_of_block_nz_begin_offset, output_template->size_of_block_nz_begin_offset, output_dir + "/block_nz_begin_offset");
}
if (output_template->warp_nz_begin_offset_compress == NONE_COMPRESS)
{
assert(output_template->warp_nz_begin_offset != NULL);
print_arr_to_file_with_data_type(output_template->warp_nz_begin_offset, output_template->data_type_of_warp_nz_begin_offset, output_template->size_of_warp_nz_begin_offset, output_dir + "/warp_nz_begin_offset");
}
// 值
assert(output_template->val_arr != NULL);
print_arr_to_file_with_data_type(output_template->val_arr, output_template->data_type_of_val_arr, output_template->size_of_val_arr, output_dir + "/val_arr");
// 列
assert(output_template->col_index_arr != NULL);
print_arr_to_file_with_data_type(output_template->col_index_arr, output_template->data_type_of_col_index_arr, output_template->size_of_col_index_arr, output_dir + "/col_index_arr");
output_template->hash_of_this_template = matrix_id;
}
string code_of_template_data_struct(direct_atom_template_t *output_template, unsigned long dense_block_id)
{
// 创建一个数据结构
string return_str = "typedef struct compressed_dense_block_" + to_string(dense_block_id) + "\n{\n";
// 对应的位置分别存储行号和块号
if (output_template->global_row_index_compress == NONE_COMPRESS)
{
assert(output_template->global_row_index_of_thread_level_block != NULL);
return_str = return_str + code_line_of_pointer_define(output_template->data_type_of_global_row_index_of_thread_level_block, code_of_arr_var_name(dense_block_id, -1, "global_row_index_of_thread_level_block"));
return_str = return_str + code_of_data_type(UNSIGNED_LONG) + " size_of_" + code_of_arr_var_name(dense_block_id, -1, "global_row_index_of_thread_level_block") + " = " + to_string(output_template->size_of_global_row_index_of_thread_level_block) + ";\n";
}
return_str = return_str + "\n";
if (output_template->block_begin_warp_index_compress == NONE_COMPRESS)
{
assert(output_template->block_begin_warp_index_offset != NULL);
return_str = return_str + code_line_of_pointer_define(output_template->data_type_of_block_begin_warp_index_offset, code_of_arr_var_name(dense_block_id, -1, "block_begin_warp_index_offset"));
return_str = return_str + code_of_data_type(UNSIGNED_LONG) + " size_of_" + code_of_arr_var_name(dense_block_id, -1, "block_begin_warp_index_offset") + " = " + to_string(output_template->size_of_block_begin_warp_index_offset) + ";\n";
}
return_str = return_str + "\n";
if (output_template->warp_begin_thread_index_compress == NONE_COMPRESS)
{
assert(output_template->warp_begin_thread_index_offset != NULL);
return_str = return_str + code_line_of_pointer_define(output_template->data_type_of_warp_begin_thread_index_offset, code_of_arr_var_name(dense_block_id, -1, "warp_begin_thread_index_offset"));
return_str = return_str + code_of_data_type(UNSIGNED_LONG) + " size_of_" + code_of_arr_var_name(dense_block_id, -1, "warp_begin_thread_index_offset") + " = " + to_string(output_template->size_of_warp_begin_thread_index_offset) + ";\n";
}
return_str = return_str + "\n";
if (output_template->thread_block_size_compress == NONE_COMPRESS)
{
// 这和数组一定有
assert(output_template->thread_block_size_in_warp != NULL);
return_str = return_str + code_line_of_pointer_define(output_template->data_type_of_thread_block_size_in_warp, code_of_arr_var_name(dense_block_id, -1, "thread_block_size_in_warp"));
return_str = return_str + code_of_data_type(UNSIGNED_LONG) + " size_of_" + code_of_arr_var_name(dense_block_id, -1, "thread_block_size_in_warp") + " = " + to_string(output_template->size_of_thread_block_size_in_warp) + ";\n";
}
return_str = return_str + "\n";
if (output_template->row_index_before_sort_compress == NONE_COMPRESS && output_template->row_index_before_sort != NULL)
{
assert(output_template->row_index_before_sort != NULL);
return_str = return_str + code_line_of_pointer_define(output_template->data_type_of_row_index_before_sort, code_of_arr_var_name(dense_block_id, -1, "row_index_before_sort"));
return_str = return_str + code_of_data_type(UNSIGNED_LONG) + " size_of_" + code_of_arr_var_name(dense_block_id, -1, "row_index_before_sort") + " = " + to_string(output_template->size_of_row_index_before_sort) + ";\n";
}
return_str = return_str + "\n";
if (output_template->block_nz_begin_offset_compress == NONE_COMPRESS)
{
assert(output_template->block_nz_begin_offset != NULL);
return_str = return_str + code_line_of_pointer_define(output_template->data_type_of_block_nz_begin_offset, code_of_arr_var_name(dense_block_id, -1, "block_nz_begin_offset"));
return_str = return_str + code_of_data_type(UNSIGNED_LONG) + " size_of_" + code_of_arr_var_name(dense_block_id, -1, "block_nz_begin_offset") + " = " + to_string(output_template->size_of_block_nz_begin_offset) + ";\n";
}
return_str = return_str + "\n";
if (output_template->warp_nz_begin_offset_compress == NONE_COMPRESS)
{
assert(output_template->warp_nz_begin_offset != NULL);
return_str = return_str + code_line_of_pointer_define(output_template->data_type_of_warp_nz_begin_offset, code_of_arr_var_name(dense_block_id, -1, "warp_nz_begin_offset"));
return_str = return_str + code_of_data_type(UNSIGNED_LONG) + " size_of_" + code_of_arr_var_name(dense_block_id, -1, "warp_nz_begin_offset") + " = " + to_string(output_template->size_of_warp_nz_begin_offset) + ";\n";
}
return_str = return_str + "\n";
assert(output_template->val_arr != NULL);
return_str = return_str + code_line_of_pointer_define(output_template->data_type_of_val_arr, code_of_arr_var_name(dense_block_id, -1, "val_arr"));
return_str = return_str + code_of_data_type(UNSIGNED_LONG) + " size_of_" + code_of_arr_var_name(dense_block_id, -1, "val_arr") + " = " + to_string(output_template->size_of_val_arr) + ";\n";
return_str = return_str + "\n";
assert(output_template->col_index_arr != NULL);
return_str = return_str + code_line_of_pointer_define(output_template->data_type_of_col_index_arr, code_of_arr_var_name(dense_block_id, -1, "col_index_arr"));
return_str = return_str + code_of_data_type(UNSIGNED_LONG) + " size_of_" + code_of_arr_var_name(dense_block_id, -1, "col_index_arr") + " = " + to_string(output_template->size_of_col_index_arr) + ";\n";
return_str = return_str + "}";
return_str = return_str + "compressed_dense_block_" + to_string(dense_block_id) + "_t;\n";
return return_str;
}
// 设计一个函数来输出一个读取所有内容的函数声明
string code_of_read_template_data_from_file_func_define(direct_atom_template_t *output_template, unsigned long dense_block_id, bool force_not_share_global_sort_index)
{
string return_str = "compressed_dense_block_" + to_string(dense_block_id) + "_t* read_dense_block_" + to_string(dense_block_id) + "_from_file(string file_name_prefix)\n{\n";
return_str = return_str + "compressed_dense_block_" + to_string(dense_block_id) + "_t *template_data = new " + "compressed_dense_block_" + to_string(dense_block_id) + "_t();\n";
// 5个数组
// 对应的位置分别存储行号和块号
if (output_template->global_row_index_compress == NONE_COMPRESS)
{
assert(output_template->global_row_index_of_thread_level_block != NULL);
return_str = return_str + "template_data->" + code_of_arr_var_name(dense_block_id, -1, "global_row_index_of_thread_level_block") + " = (" + code_of_data_type(output_template->data_type_of_global_row_index_of_thread_level_block) + " *)";
return_str = return_str + "read_arr_from_file_with_data_type(template_data->size_of_" + code_of_arr_var_name(dense_block_id, -1, "global_row_index_of_thread_level_block") + ", " + convert_data_type_to_string(output_template->data_type_of_global_row_index_of_thread_level_block) + ", ";
// 要读的文件名
return_str = return_str + "file_name_prefix + \"/global_row_index_of_thread_level_block\");\n";
}
return_str = return_str + "\n";
if (output_template->block_begin_warp_index_compress == NONE_COMPRESS)
{
assert(output_template->block_begin_warp_index_offset != NULL);
return_str = return_str + "template_data->" + code_of_arr_var_name(dense_block_id, -1, "block_begin_warp_index_offset") + " = (" + code_of_data_type(output_template->data_type_of_block_begin_warp_index_offset) + " *)";
return_str = return_str + "read_arr_from_file_with_data_type(template_data->size_of_" + code_of_arr_var_name(dense_block_id, -1, "block_begin_warp_index_offset") + ", " + convert_data_type_to_string(output_template->data_type_of_block_begin_warp_index_offset) + ", ";
// 要读的文件名
return_str = return_str + "file_name_prefix + \"/block_begin_warp_index_offset\");\n";
}
return_str = return_str + "\n";
if (output_template->warp_begin_thread_index_compress == NONE_COMPRESS)
{
assert(output_template->warp_begin_thread_index_offset != NULL);
return_str = return_str + "template_data->" + code_of_arr_var_name(dense_block_id, -1, "warp_begin_thread_index_offset") + " = (" + code_of_data_type(output_template->data_type_of_warp_begin_thread_index_offset) + " *)";
return_str = return_str + "read_arr_from_file_with_data_type(template_data->size_of_" + code_of_arr_var_name(dense_block_id, -1, "warp_begin_thread_index_offset") + ", " + convert_data_type_to_string(output_template->data_type_of_warp_begin_thread_index_offset) + ", ";
// 要读的文件名
return_str = return_str + "file_name_prefix + \"/warp_begin_thread_index_offset\");\n";
}
return_str = return_str + "\n";
if (output_template->thread_block_size_compress == NONE_COMPRESS)
{
// 这和数组一定有
assert(output_template->thread_block_size_in_warp != NULL);
return_str = return_str + "template_data->" + code_of_arr_var_name(dense_block_id, -1, "thread_block_size_in_warp") + " = (" + code_of_data_type(output_template->data_type_of_thread_block_size_in_warp) + " *)";
return_str = return_str + "read_arr_from_file_with_data_type(template_data->size_of_" + code_of_arr_var_name(dense_block_id, -1, "thread_block_size_in_warp") + ", " + convert_data_type_to_string(output_template->data_type_of_thread_block_size_in_warp) + ", ";
// 要读的文件名
return_str = return_str + "file_name_prefix + \"/thread_block_size_in_warp\");\n";
}
return_str = return_str + "\n";
if (output_template->row_index_before_sort_compress == NONE_COMPRESS && output_template->row_index_before_sort != NULL)
{
// 如果有全局的排序索引,只有0号块或者强制存储的部分需要存储
if (output_template->global_sort_index == true)
{
if (dense_block_id == 0 || force_not_share_global_sort_index == true)
{
// 存一个全局的排序
assert(output_template->row_index_before_sort != NULL);
return_str = return_str + "template_data->" + code_of_arr_var_name(dense_block_id, -1, "row_index_before_sort") + " = (" + code_of_data_type(output_template->data_type_of_row_index_before_sort) + " *)";
return_str = return_str + "read_arr_from_file_with_data_type(template_data->size_of_" + code_of_arr_var_name(dense_block_id, -1, "row_index_before_sort") + ", " + convert_data_type_to_string(output_template->data_type_of_row_index_before_sort) + ", ";
// 要读的文件名
return_str = return_str + "file_name_prefix + \"/row_index_before_sort\");\n";
}
else
{
// 如果已经有了就直接拷贝全局的排序
return_str = return_str + "template_data->" + code_of_arr_var_name(dense_block_id, -1, "row_index_before_sort") + " = NULL;\n";
}
}
else if (output_template->local_sort_index == true)
{
assert(output_template->row_index_before_sort != NULL);
return_str = return_str + "template_data->" + code_of_arr_var_name(dense_block_id, -1, "row_index_before_sort") + " = (" + code_of_data_type(output_template->data_type_of_row_index_before_sort) + " *)";
return_str = return_str + "read_arr_from_file_with_data_type(template_data->size_of_" + code_of_arr_var_name(dense_block_id, -1, "row_index_before_sort") + ", " + convert_data_type_to_string(output_template->data_type_of_row_index_before_sort) + ", ";
// 要读的文件名
return_str = return_str + "file_name_prefix + \"/row_index_before_sort\");\n";
}
else
{
cout << "error" << endl;
assert(false);
}
}
return_str = return_str + "\n";
// block和warp的收个非零元索引
if (output_template->block_nz_begin_offset_compress == NONE_COMPRESS)
{
assert(output_template->block_nz_begin_offset != NULL);
return_str = return_str + "template_data->" + code_of_arr_var_name(dense_block_id, -1, "block_nz_begin_offset") + " = (" + code_of_data_type(output_template->data_type_of_block_nz_begin_offset) + " *)";
return_str = return_str + "read_arr_from_file_with_data_type(template_data->size_of_" + code_of_arr_var_name(dense_block_id, -1, "block_nz_begin_offset") + ", " + convert_data_type_to_string(output_template->data_type_of_block_nz_begin_offset) + ", ";
// 要读的文件名
return_str = return_str + "file_name_prefix + \"/block_nz_begin_offset\");\n";
}
return_str = return_str + "\n";
if (output_template->warp_nz_begin_offset_compress == NONE_COMPRESS)
{
assert(output_template->warp_nz_begin_offset != NULL);
return_str = return_str + "template_data->" + code_of_arr_var_name(dense_block_id, -1, "warp_nz_begin_offset") + " = (" + code_of_data_type(output_template->data_type_of_warp_nz_begin_offset) + " *)";
return_str = return_str + "read_arr_from_file_with_data_type(template_data->size_of_" + code_of_arr_var_name(dense_block_id, -1, "warp_nz_begin_offset") + ", " + convert_data_type_to_string(output_template->data_type_of_warp_nz_begin_offset) + ", ";
// 要读的文件名
return_str = return_str + "file_name_prefix + \"/warp_nz_begin_offset\");\n";
}
return_str = return_str + "\n";
assert(output_template->val_arr != NULL);
return_str = return_str + "template_data->" + code_of_arr_var_name(dense_block_id, -1, "val_arr") + " = (" + code_of_data_type(output_template->data_type_of_val_arr) + " *)";
return_str = return_str + "read_arr_from_file_with_data_type(template_data->size_of_" + code_of_arr_var_name(dense_block_id, -1, "val_arr") + ", " + convert_data_type_to_string(output_template->data_type_of_val_arr) + ", ";
// 要读的文件名
return_str = return_str + "file_name_prefix + \"/val_arr\");\n";
return_str = return_str + "\n";
assert(output_template->col_index_arr != NULL);
return_str = return_str + "template_data->" + code_of_arr_var_name(dense_block_id, -1, "col_index_arr") + " = (" + code_of_data_type(output_template->data_type_of_col_index_arr) + " *)";
return_str = return_str + "read_arr_from_file_with_data_type(template_data->size_of_" + code_of_arr_var_name(dense_block_id, -1, "col_index_arr") + ", " + convert_data_type_to_string(output_template->data_type_of_col_index_arr) + ", ";
// 要读的文件名
return_str = return_str + "file_name_prefix + \"/col_index_arr\");\n";
return_str = return_str + "return template_data;\n";
return_str = return_str + "}\n";
return return_str;
}
string code_of_template_kernal(direct_atom_template_t *output_template, unsigned long dense_block_id)
{
// 内核函数的声明
string return_str = "__global__ void spmv_" + to_string(dense_block_id) + "(";
// 用一个变量表明当前形参是不是第一个,如果是第一个就不用点逗号
bool is_first_param = true;
// 这里加入形参的声明
if (output_template->global_row_index_compress == NONE_COMPRESS)
{
assert(output_template->global_row_index_of_thread_level_block != NULL);
return_str = return_str + code_of_a_formal_param_declare(output_template->data_type_of_global_row_index_of_thread_level_block, "* global_row_index_of_thread_level_block");
is_first_param = false;
}
if (output_template->block_begin_warp_index_compress == NONE_COMPRESS)
{
if (is_first_param == false)
{
return_str = return_str + ", ";
}
else
{
is_first_param = false;
}
assert(output_template->block_begin_warp_index_offset != NULL);
return_str = return_str + code_of_a_formal_param_declare(output_template->data_type_of_block_begin_warp_index_offset, "* block_begin_warp_index_offset");
}
if (output_template->warp_begin_thread_index_compress == NONE_COMPRESS)
{
if (is_first_param == false)
{
return_str = return_str + ", ";
}
else
{
is_first_param = false;
}
assert(output_template->warp_begin_thread_index_offset != NULL);
return_str = return_str + code_of_a_formal_param_declare(output_template->data_type_of_warp_begin_thread_index_offset, "* warp_begin_thread_index_offset");
}
if (output_template->thread_block_size_compress == NONE_COMPRESS)
{
if (is_first_param == false)
{
return_str = return_str + ", ";
}
else
{
is_first_param = false;
}
// 这和数组一定有
assert(output_template->thread_block_size_in_warp != NULL);
return_str = return_str + code_of_a_formal_param_declare(output_template->data_type_of_thread_block_size_in_warp, "* thread_block_size_in_warp");
}
if (output_template->row_index_before_sort_compress == NONE_COMPRESS && output_template->row_index_before_sort != NULL)
{
// 这里代表有排序过
if (is_first_param == false)
{
return_str = return_str + ", ";
}
else
{
is_first_param = false;
}
return_str = return_str + code_of_a_formal_param_declare(output_template->data_type_of_row_index_before_sort, "* row_index_before_sort");
}
if (output_template->block_nz_begin_offset_compress == NONE_COMPRESS)
{
// 块首非零元
if (is_first_param == false)
{
return_str = return_str + ", ";
}
else
{
is_first_param = false;
}
assert(output_template->block_nz_begin_offset != NULL);
return_str = return_str + code_of_a_formal_param_declare(output_template->data_type_of_block_nz_begin_offset, "* block_nz_begin_offset");
}
if (output_template->warp_nz_begin_offset_compress == NONE_COMPRESS)
{
// warp首相对非零元
if (is_first_param == false)
{
return_str = return_str + ", ";
}
else
{
is_first_param = false;
}
assert(output_template->warp_nz_begin_offset != NULL);
return_str = return_str + code_of_a_formal_param_declare(output_template->data_type_of_warp_nz_begin_offset, "* warp_nz_begin_offset");
}
if (is_first_param == false)
{
return_str = return_str + ", ";
}
else
{
is_first_param = false;
}
assert(output_template->val_arr != NULL);
return_str = return_str + code_of_a_formal_param_declare(output_template->data_type_of_val_arr, "* val_arr");
return_str = return_str + ", ";
assert(output_template->col_index_arr != NULL);
return_str = return_str + code_of_a_formal_param_declare(output_template->data_type_of_col_index_arr, "* col_index_arr");
// x的值
return_str = return_str + ", ";
return_str = return_str + code_of_a_formal_param_declare(output_template->data_type_of_val_arr, "* device_x_arr");
// y的值
return_str = return_str + ", ";
return_str = return_str + code_of_a_formal_param_declare(output_template->data_type_of_val_arr, "* device_y_arr");
return_str = return_str + ")\n{\n";
// 计算
return_str = return_str + "int tid_in_warp = threadIdx.x % 32;\n";
return_str = return_str + "int bid = blockIdx.x;\n";
// tid_in_block需要接受一个判断,判断是不是需要的
bool need_tid_in_block = false;
if (output_template->block_nz_begin_offset_compress == NONE_COMPRESS || output_template->block_begin_warp_index_compress == NONE_COMPRESS)
{
need_tid_in_block = true;
}
if (output_template->warp_nz_begin_offset_compress == NONE_COMPRESS || output_template->thread_block_size_compress == NONE_COMPRESS || output_template->warp_begin_thread_index_compress == NONE_COMPRESS)
{
need_tid_in_block = true;
}
if (need_tid_in_block == true)
{
return_str = return_str + "int tid_in_block = threadIdx.x;\n";
}
return_str = return_str + "int wid_in_block = (int)(threadIdx.x / 32);\n";
if (output_template->kernal_first_row_index != 0)
{
return_str = return_str + "unsigned long kernal_first_row_index = " + to_string(output_template->kernal_first_row_index) + ";\n";
}
if (output_template->kernal_first_col_index != 0)
{
return_str = return_str + "unsigned long kernal_first_col_index = " + to_string(output_template->kernal_first_col_index) + ";\n";
}
if (!(output_template->tblock_num == (output_template->size_of_block_begin_warp_index_offset - 1)))
{
return_str = return_str + "int bnum = gridDim.x;\n";
}
if (!(output_template->block_begin_warp_index_compress == LINEAR_COMPRESS && ((linear_compress_t *)(output_template->block_begin_warp_index_compress_meta))->coefficient == ((output_template->thread_num_in_block) / 32)))
{
return_str = return_str + "int wnum = blockDim.x / 32;\n\n";
}
// 当前block共享内存的用量
unsigned long shared_memory_item_num = 0;
// 如果block首非零元索引是压缩过的,那就不用共享内存
if (output_template->block_nz_begin_offset_compress == NONE_COMPRESS)
{
return_str = return_str + "__shared__ " + code_of_data_type(output_template->data_type_of_block_nz_begin_offset) + " block_first_nz_index_shared[1];\n";
shared_memory_item_num = shared_memory_item_num + 1;
}
else
{
// cout << "compress type is not supported" << endl;
// exit(-1);
}
// 如果block首warp索引没有压缩,那就用共享内存
if (output_template->block_begin_warp_index_compress == NONE_COMPRESS)
{
return_str = return_str + "__shared__ " + code_of_data_type(output_template->data_type_of_block_begin_warp_index_offset) + " first_warp_index_of_this_block_shared[1];\n";
return_str = return_str + "__shared__ " + code_of_data_type(output_template->data_type_of_block_begin_warp_index_offset) + " first_warp_index_of_next_block_shared[1];\n";
shared_memory_item_num = shared_memory_item_num + 2;
}
else
{
}
// 查看block内部warp最多是多少
unsigned long max_warp_num_in_block = 0;
// 只要存在未压缩的warp级别元数据,就需要计算block最大的warp数量
if (output_template->warp_nz_begin_offset_compress == NONE_COMPRESS || output_template->thread_block_size_compress == NONE_COMPRESS || output_template->warp_begin_thread_index_compress == NONE_COMPRESS)
{
// 遍历block_begin_warp_index_offset
for (unsigned long block_index = 0; block_index < output_template->size_of_block_begin_warp_index_offset - 1; block_index++)
{
unsigned long warp_num_in_block = read_from_array_with_data_type(output_template->block_begin_warp_index_offset, output_template->data_type_of_block_begin_warp_index_offset, block_index + 1) - read_from_array_with_data_type(output_template->block_begin_warp_index_offset, output_template->data_type_of_block_begin_warp_index_offset, block_index);
if (max_warp_num_in_block < warp_num_in_block)
{
max_warp_num_in_block = warp_num_in_block;
}
}
}
// 没有压缩的warp第一个非零元的相对索引
if (output_template->warp_nz_begin_offset_compress == NONE_COMPRESS)
{
assert(max_warp_num_in_block > 0);
shared_memory_item_num = shared_memory_item_num + max_warp_num_in_block;
// 查看共享内存是不是够用,不够用说明之前的分块手段不好
if (shared_memory_item_num + 1 > get_config()["SHARED_MEM_TOTAL_SIZE"].as_integer())
{
cout << "code_of_template_kernal: shared memory overflow, error: code_of_template_kernal" << endl;
// exit(-1);
}
return_str = return_str + "__shared__ " + code_of_data_type(output_template->data_type_of_warp_nz_begin_offset) + " warp_first_nz_index_shared[" + to_string(max_warp_num_in_block) + "];\n";
}
else
{
// cout << "compress type is not supported" << endl;
// exit(-1);
}
// warp第一个线程粒度的块的索引没压缩就放到共享内存中
if (output_template->warp_begin_thread_index_compress == NONE_COMPRESS)
{
assert(max_warp_num_in_block > 0);
shared_memory_item_num = shared_memory_item_num + max_warp_num_in_block + 1;
if (shared_memory_item_num + 1 > get_config()["SHARED_MEM_TOTAL_SIZE"].as_integer())
{
cout << "code_of_template_kernal: shared memory overflow, error: code_of_template_kernal" << endl;
// exit(-1);
}
return_str = return_str + "__shared__ " + code_of_data_type(output_template->data_type_of_warp_begin_thread_index_offset) + " warp_begin_thread_index_shared[" + to_string(max_warp_num_in_block + 1) + "];\n";
}
else
{
}
// 每个warp内的线程粒度的块的大小
if (output_template->thread_block_size_compress == NONE_COMPRESS)
{
assert(max_warp_num_in_block > 0);
shared_memory_item_num = shared_memory_item_num + max_warp_num_in_block;
if (shared_memory_item_num + 1 > get_config()["SHARED_MEM_TOTAL_SIZE"].as_integer())
{
cout << "code_of_template_kernal: shared memory overflow, error: code_of_template_kernal" << endl;
// exit(-1);
}
return_str = return_str + "__shared__ " + code_of_data_type(output_template->data_type_of_thread_block_size_in_warp) + " thread_block_size_in_warp_shared[" + to_string(max_warp_num_in_block) + "];\n";
}
else
{
}
// 遍历block级别的块
// 如果线程块数量和实际block块数量相同,去掉第一层for循环
if (output_template->tblock_num == (output_template->size_of_block_begin_warp_index_offset - 1))
{
// 不需要第一个for循环
return_str = return_str + "{\n";
return_str = return_str + "int block_level_block_id = bid;\n";
}
else
{
return_str = return_str + "for(int block_level_block_id = bid; block_level_block_id < " + to_string(output_template->size_of_block_begin_warp_index_offset - 1) + "; block_level_block_id = block_level_block_id + bnum)\n{\n";
}
return_str = return_str + code_of_data_type(output_template->data_type_of_block_begin_warp_index_offset) + " first_warp_index_of_this_block;\n";
return_str = return_str + code_of_data_type(output_template->data_type_of_block_begin_warp_index_offset) + " first_warp_index_of_next_block;\n";
// 只有不压缩的时候才有
if (output_template->warp_nz_begin_offset_compress == NONE_COMPRESS || output_template->thread_block_size_compress == NONE_COMPRESS || output_template->warp_begin_thread_index_compress == NONE_COMPRESS)
{
return_str = return_str + code_of_data_type(output_template->data_type_of_block_begin_warp_index_offset) + " warp_block_num_in_this_block;\n\n";
}
else
{
// cout << "compress type is not supported" << endl;
// exit(-1);
}
// block的起始warp索引和下一个block起始索引的赋值,根据是否压缩,选择不同的赋值方式
// if (output_template->block_begin_warp_index_compress == NONE_COMPRESS)
// {
// return_str = return_str + "first_warp_index_of_this_block = block_begin_warp_index_offset[block_level_block_id];\n";
// }
// else if (output_template->block_begin_warp_index_compress == LINEAR_COMPRESS)
// {
// // block层次可能有线性压缩,生成对应的代码
// assert(output_template->block_begin_warp_index_compress_meta != NULL);
// linear_compress_t *compressor = (linear_compress_t *)output_template->block_begin_warp_index_compress_meta;
// return_str = return_str + code_of_arr_read(compressor, "first_warp_index_of_next_block", "block_level_block_id") + ";\n";
// }
// else
// {
// cout << "compress type is not supported,block_begin_warp_index_compress" << endl;
// exit(-1);
// }
// if (output_template->block_begin_warp_index_compress == NONE_COMPRESS)
// {
// return_str = return_str + "first_warp_index_of_next_block = block_begin_warp_index_offset[block_level_block_id + 1];\n";
// }
// else if (output_template->block_begin_warp_index_compress == LINEAR_COMPRESS)
// {
// // block层次可能有线性压缩,生成对应的代码
// assert(output_template->block_begin_warp_index_compress_meta != NULL);
// linear_compress_t *compressor = (linear_compress_t *)output_template->block_begin_warp_index_compress_meta;
// return_str = return_str + code_of_arr_read(compressor, "first_warp_index_of_next_block", "(block_level_block_id + 1)") + ";\n";
// }
// else
// {
// cout << "compress type is not supported,block_begin_warp_index_compress" << endl;
// exit(-1);
// }
// // 只有warp_nz_begin_offset_compress不存在的时候才需要每个block的warp数量
// if (output_template->warp_nz_begin_offset_compress == NONE_COMPRESS)
// {
// return_str = return_str + "warp_block_num_in_this_block = first_warp_index_of_next_block - first_warp_index_of_this_block;\n\n";
// }
// else
// {
// }
// 只要有一个不压缩,就需要在一开始有一个全局同步
if (output_template->block_begin_warp_index_compress == NONE_COMPRESS || output_template->block_nz_begin_offset_compress == NONE_COMPRESS || output_template->warp_nz_begin_offset_compress == NONE_COMPRESS ||
output_template->thread_block_size_compress == NONE_COMPRESS || output_template->warp_begin_thread_index_compress == NONE_COMPRESS)
{
return_str = return_str + "__syncthreads();\n\n";
}
// 初始化共享内存
// block层次所有的三个数组
if (output_template->block_nz_begin_offset_compress == NONE_COMPRESS || output_template->block_begin_warp_index_compress == NONE_COMPRESS)
{
return_str = return_str + "if(tid_in_block == 0)\n{\n";
if (output_template->block_nz_begin_offset_compress == NONE_COMPRESS)
{
return_str = return_str + "block_first_nz_index_shared[0] = block_nz_begin_offset[block_level_block_id];\n";
}
if (output_template->block_begin_warp_index_compress == NONE_COMPRESS)
{
return_str = return_str + "first_warp_index_of_this_block_shared[0] = block_begin_warp_index_offset[block_level_block_id];\n";
return_str = return_str + "first_warp_index_of_next_block_shared[0] = block_begin_warp_index_offset[block_level_block_id + 1];\n";
}
return_str = return_str + "}\n\n";
return_str = return_str + "__syncthreads();\n\n";
}
// 获取块级别元数据,主要是warp的索引
// block的起始warp索引和下一个block起始索引的赋值,根据是否压缩,选择不同的赋值方式
if (output_template->block_begin_warp_index_compress == NONE_COMPRESS)
{
// 没压缩就从
return_str = return_str + "first_warp_index_of_this_block = first_warp_index_of_this_block_shared[0];\n";
return_str = return_str + "first_warp_index_of_next_block = first_warp_index_of_next_block_shared[0];\n";
}
else if (output_template->block_begin_warp_index_compress == LINEAR_COMPRESS)
{
// block层次可能有线性压缩,生成对应的代码
assert(output_template->block_begin_warp_index_compress_meta != NULL);
linear_compress_t *compressor = (linear_compress_t *)output_template->block_begin_warp_index_compress_meta;
return_str = return_str + code_of_arr_read(compressor, "first_warp_index_of_this_block", "block_level_block_id") + ";\n";
// 第二个直接加上斜率,减少计算量
return_str = return_str + "first_warp_index_of_next_block = first_warp_index_of_this_block + " + to_string(compressor->coefficient) + ";\n";
}
else
{
cout << "compress type is not supported,block_begin_warp_index_compress" << endl;
assert(false);
}
// 只有warp级别的几个元数据都没有压缩的时候才需要这个变量
if (output_template->warp_nz_begin_offset_compress == NONE_COMPRESS || output_template->thread_block_size_compress == NONE_COMPRESS || output_template->warp_begin_thread_index_compress == NONE_COMPRESS)
{
return_str = return_str + "warp_block_num_in_this_block = first_warp_index_of_next_block - first_warp_index_of_this_block;\n\n";
// 初始化warp级别的元数据
return_str = return_str + "for(int i = tid_in_block; i < warp_block_num_in_this_block; i = i + blockDim.x)\n{\n";
if (output_template->warp_nz_begin_offset_compress == NONE_COMPRESS)
{
return_str = return_str + "warp_first_nz_index_shared[i] = warp_nz_begin_offset[first_warp_index_of_this_block + i];\n";
}
if (output_template->warp_begin_thread_index_compress == NONE_COMPRESS)
{
return_str = return_str + "warp_begin_thread_index_shared[i] = warp_begin_thread_index_offset[first_warp_index_of_this_block + i];\n";
}
if (output_template->thread_block_size_compress == NONE_COMPRESS)
{