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QueryMemoryInitializer.cpp File Reference
#include "QueryMemoryInitializer.h"
#include "Execute.h"
#include "GpuInitGroups.h"
#include "GpuMemUtils.h"
#include "Logger/Logger.h"
#include "OutputBufferInitialization.h"
#include "ResultSet.h"
#include "StreamingTopN.h"
#include <Shared/checked_alloc.h>
+ Include dependency graph for QueryMemoryInitializer.cpp:

Go to the source code of this file.

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, 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)
 
 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)
 
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 {8 * 1000 * 1000 * 1000L}
 
 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  )

Definition at line 319 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().

319  {
320  // Table functions output columnar, basically treat this as a projection
321  const auto& consistent_frag_sizes = get_consistent_frags_sizes(frag_offsets);
322  if (consistent_frag_sizes.empty()) {
323  // No fragments in the input, no underlying buffers will be needed.
324  return;
325  }
326 
327  size_t group_buffer_size{0};
328  const size_t num_columns = query_mem_desc.getBufferColSlotCount();
329  group_buffer_size = num_rows_ * num_columns * sizeof(int64_t);
330  CHECK_GE(group_buffer_size, size_t(0));
331 
332  const auto index_buffer_qw =
333  device_type == ExecutorDeviceType::GPU && query_mem_desc.hasKeylessHash()
334  ? query_mem_desc.getEntryCount()
335  : size_t(0);
336  const auto actual_group_buffer_size =
337  group_buffer_size + index_buffer_qw * sizeof(int64_t);
338  CHECK_GE(actual_group_buffer_size, group_buffer_size);
339 
340  CHECK_EQ(num_buffers_, size_t(1));
341  auto group_by_buffer =
342  alloc_group_by_buffer(actual_group_buffer_size, nullptr, row_set_mem_owner.get());
343  if (!query_mem_desc.lazyInitGroups(device_type)) {
344  initColumnarGroups(
345  query_mem_desc, group_by_buffer + index_buffer_qw, init_agg_vals_, executor);
346  }
347  group_by_buffers_.push_back(group_by_buffer);
348 
349  const auto column_frag_offsets =
350  get_col_frag_offsets(exe_unit.target_exprs, frag_offsets);
351  const auto column_frag_sizes =
352  get_consistent_frags_sizes(exe_unit.target_exprs, consistent_frag_sizes);
353  result_sets_.emplace_back(
354  new ResultSet(target_exprs_to_infos(exe_unit.target_exprs, query_mem_desc),
355  {},
356  col_buffers,
357  column_frag_offsets,
358  column_frag_sizes,
359  device_type,
360  device_id,
362  row_set_mem_owner_,
363  executor->getCatalog(),
364  executor->blockSize(),
365  executor->gridSize()));
366  result_sets_.back()->allocateStorage(reinterpret_cast<int8_t*>(group_by_buffer),
367  init_agg_vals_);
368 }
#define CHECK_EQ(x, y)
Definition: Logger.h:205
#define CHECK_GE(x, y)
Definition: Logger.h:210
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:483
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, 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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num_buffers_ ( )

Referenced by device_allocator_().

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Variable Documentation

int64_t g_bitmap_memory_limit {8 * 1000 * 1000 * 1000L}