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QueryMemoryInitializer.cpp File Reference
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Namespaces

 anonymous_namespace{QueryMemoryInitializer.cpp}
 

Functions

void anonymous_namespace{QueryMemoryInitializer.cpp}::check_total_bitmap_memory (const QueryMemoryDescriptor &query_mem_desc)
 
int64_t * anonymous_namespace{QueryMemoryInitializer.cpp}::alloc_group_by_buffer (const size_t numBytes, RenderAllocatorMap *render_allocator_map, const size_t thread_idx, RowSetMemoryOwner *mem_owner)
 
int64_t anonymous_namespace{QueryMemoryInitializer.cpp}::get_consistent_frag_size (const std::vector< uint64_t > &frag_offsets)
 
std::vector< int64_t > anonymous_namespace{QueryMemoryInitializer.cpp}::get_consistent_frags_sizes (const std::vector< std::vector< uint64_t >> &frag_offsets)
 
std::vector< int64_t > anonymous_namespace{QueryMemoryInitializer.cpp}::get_consistent_frags_sizes (const std::vector< Analyzer::Expr * > &target_exprs, const std::vector< int64_t > &table_frag_sizes)
 
std::vector< std::vector
< int64_t > > 
anonymous_namespace{QueryMemoryInitializer.cpp}::get_col_frag_offsets (const std::vector< Analyzer::Expr * > &target_exprs, const std::vector< std::vector< uint64_t >> &table_frag_offsets)
 
 num_buffers_ (1)
 
 varlen_output_buffer_ (0)
 
 varlen_output_buffer_host_ptr_ (nullptr)
 
 count_distinct_bitmap_mem_ (0)
 
 count_distinct_bitmap_mem_bytes_ (0)
 
 count_distinct_bitmap_crt_ptr_ (nullptr)
 
 count_distinct_bitmap_host_mem_ (nullptr)
 
 device_allocator_ (device_allocator)
 
 thread_idx_ (0)
 
template<typename T >
int8_t * anonymous_namespace{QueryMemoryInitializer.cpp}::initColumnarBuffer (T *buffer_ptr, const T init_val, const uint32_t entry_count)
 
void anonymous_namespace{QueryMemoryInitializer.cpp}::compact_projection_buffer_for_cpu_columnar (const QueryMemoryDescriptor &query_mem_desc, int8_t *projection_buffer, const size_t projection_count)
 

Variables

int64_t g_bitmap_memory_limit {8LL * 1000 * 1000 * 1000}
 
 query_mem_desc
 

Function Documentation

count_distinct_bitmap_crt_ptr_ ( nullptr  )
count_distinct_bitmap_host_mem_ ( nullptr  )
count_distinct_bitmap_mem_ ( )
count_distinct_bitmap_mem_bytes_ ( )
device_allocator_ ( device_allocator  )
num_buffers_ ( )

Referenced by thread_idx_().

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thread_idx_ ( )

Definition at line 342 of file QueryMemoryInitializer.cpp.

References anonymous_namespace{QueryMemoryInitializer.cpp}::alloc_group_by_buffer(), CHECK_EQ, CHECK_GE, anonymous_namespace{QueryMemoryInitializer.cpp}::get_col_frag_offsets(), anonymous_namespace{QueryMemoryInitializer.cpp}::get_consistent_frags_sizes(), GPU, num_buffers_(), query_mem_desc, and target_exprs_to_infos().

342  {
343  // Table functions output columnar, basically treat this as a projection
344  const auto& consistent_frag_sizes = get_consistent_frags_sizes(frag_offsets);
345  if (consistent_frag_sizes.empty()) {
346  // No fragments in the input, no underlying buffers will be needed.
347  return;
348  }
349 
350  size_t group_buffer_size{0};
351  const size_t num_columns = query_mem_desc.getBufferColSlotCount();
352  group_buffer_size = num_rows_ * num_columns * sizeof(int64_t);
353  CHECK_GE(group_buffer_size, size_t(0));
354 
355  const auto index_buffer_qw =
356  device_type == ExecutorDeviceType::GPU && query_mem_desc.hasKeylessHash()
357  ? query_mem_desc.getEntryCount()
358  : size_t(0);
359  const auto actual_group_buffer_size =
360  group_buffer_size + index_buffer_qw * sizeof(int64_t);
361  CHECK_GE(actual_group_buffer_size, group_buffer_size);
362 
363  CHECK_EQ(num_buffers_, size_t(1));
364  auto group_by_buffer = alloc_group_by_buffer(
365  actual_group_buffer_size, nullptr, thread_idx_, row_set_mem_owner.get());
366  if (!query_mem_desc.lazyInitGroups(device_type)) {
367  initColumnarGroups(
368  query_mem_desc, group_by_buffer + index_buffer_qw, init_agg_vals_, executor);
369  }
370  group_by_buffers_.push_back(group_by_buffer);
371 
372  const auto column_frag_offsets =
373  get_col_frag_offsets(exe_unit.target_exprs, frag_offsets);
374  const auto column_frag_sizes =
375  get_consistent_frags_sizes(exe_unit.target_exprs, consistent_frag_sizes);
376  result_sets_.emplace_back(
377  new ResultSet(target_exprs_to_infos(exe_unit.target_exprs, query_mem_desc),
378  /*col_lazy_fetch_info=*/{},
379  col_buffers,
380  column_frag_offsets,
381  column_frag_sizes,
382  device_type,
383  device_id,
385  row_set_mem_owner_,
386  executor->getCatalog(),
387  executor->blockSize(),
388  executor->gridSize()));
389  result_sets_.back()->allocateStorage(reinterpret_cast<int8_t*>(group_by_buffer),
390  init_agg_vals_);
391 }
#define CHECK_EQ(x, y)
Definition: Logger.h:217
#define CHECK_GE(x, y)
Definition: Logger.h:222
num_buffers_(1)
std::vector< int64_t > get_consistent_frags_sizes(const std::vector< std::vector< uint64_t >> &frag_offsets)
static QueryMemoryDescriptor fixupQueryMemoryDescriptor(const QueryMemoryDescriptor &)
Definition: ResultSet.cpp:491
std::vector< TargetInfo > target_exprs_to_infos(const std::vector< Analyzer::Expr * > &targets, const QueryMemoryDescriptor &query_mem_desc)
int64_t * alloc_group_by_buffer(const size_t numBytes, RenderAllocatorMap *render_allocator_map, const size_t thread_idx, RowSetMemoryOwner *mem_owner)
std::vector< std::vector< int64_t > > get_col_frag_offsets(const std::vector< Analyzer::Expr * > &target_exprs, const std::vector< std::vector< uint64_t >> &table_frag_offsets)

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varlen_output_buffer_ ( )
varlen_output_buffer_host_ptr_ ( nullptr  )

Variable Documentation

int64_t g_bitmap_memory_limit {8LL * 1000 * 1000 * 1000}