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Calorimeter/CaloRecGPU/CaloRecGPU/Helpers.h File Reference
#include <utility>
#include <type_traits>
#include <cstring>
#include <string>
#include <cstdio>
#include <iostream>
#include <thread>
#include <mutex>
#include <shared_mutex>
#include <memory>
#include <vector>
#include <climits>
#include <new>
#include <cmath>

Go to the source code of this file.

Classes

struct  CaloRecGPU::CUDA_Helpers::CUDAStreamPtrHolder
 
struct  CaloRecGPU::Helpers::MemoryContext::CPU
 
struct  CaloRecGPU::Helpers::MemoryContext::CUDAGPU
 
struct  CaloRecGPU::Helpers::MemoryContext::CUDAPinnedCPU
 
class  CaloRecGPU::Helpers::MemoryManagement< T, indexer >
 ! Handles allocation of a type T, using indexer as the integer type to indicate sizes. More...
 
struct  CaloRecGPU::Helpers::MemoryManagement< T, indexer >::unary_helper< C, dummy >
 
struct  CaloRecGPU::Helpers::MemoryManagement< T, indexer >::unary_helper< MemoryContext::CPU, dummy >
 
struct  CaloRecGPU::Helpers::MemoryManagement< T, indexer >::unary_helper< MemoryContext::CUDAGPU, dummy >
 
struct  CaloRecGPU::Helpers::MemoryManagement< T, indexer >::unary_helper< MemoryContext::CUDAPinnedCPU, dummy >
 
struct  CaloRecGPU::Helpers::MemoryManagement< T, indexer >::copy_helper< C1, C2, dummy >
 
struct  CaloRecGPU::Helpers::MemoryManagement< T, indexer >::copy_helper< MemoryContext::CPU, MemoryContext::CPU, dummy >
 
struct  CaloRecGPU::Helpers::MemoryManagement< T, indexer >::copy_helper< MemoryContext::CPU, MemoryContext::CUDAGPU, dummy >
 
struct  CaloRecGPU::Helpers::MemoryManagement< T, indexer >::copy_helper< MemoryContext::CUDAGPU, MemoryContext::CUDAGPU, dummy >
 
struct  CaloRecGPU::Helpers::MemoryManagement< T, indexer >::copy_helper< MemoryContext::CUDAGPU, MemoryContext::CPU, dummy >
 
struct  CaloRecGPU::Helpers::MemoryManagement< T, indexer >::copy_helper< MemoryContext::CUDAPinnedCPU, MemoryContext::CPU, dummy >
 
struct  CaloRecGPU::Helpers::MemoryManagement< T, indexer >::copy_helper< MemoryContext::CPU, MemoryContext::CUDAPinnedCPU, dummy >
 
struct  CaloRecGPU::Helpers::MemoryManagement< T, indexer >::copy_helper< MemoryContext::CUDAPinnedCPU, MemoryContext::CUDAPinnedCPU, dummy >
 
struct  CaloRecGPU::Helpers::MemoryManagement< T, indexer >::copy_helper< MemoryContext::CUDAPinnedCPU, MemoryContext::CUDAGPU, dummy >
 
struct  CaloRecGPU::Helpers::MemoryManagement< T, indexer >::copy_helper< MemoryContext::CUDAGPU, MemoryContext::CUDAPinnedCPU, dummy >
 
struct  CaloRecGPU::Helpers::MemoryManagement< T, indexer >::move_helper< C1, C2, dummy >
 
struct  CaloRecGPU::Helpers::MemoryManagement< T, indexer >::move_helper< C1, C2, dummy >
 
struct  CaloRecGPU::Helpers::MemoryManagement< T, indexer >::move_helper< C, C, dummy >
 
class  CaloRecGPU::Helpers::SimpleContainer< T, indexer, Context, hold_arrays >
 Holds a run-time amount of objects of type \T, measuring sizes with indexer, in memory context Context. More...
 
class  CaloRecGPU::Helpers::SimpleContainer< T, indexer, Context, true >
 
class  CaloRecGPU::Helpers::SimpleContainer< T, indexer, Context, false >
 
class  CaloRecGPU::Helpers::SimpleHolder< T, Context, hold_object >
 Holds one objects of type \T in memory context Context. More...
 
class  CaloRecGPU::Helpers::SimpleHolder< T, Context, true >
 
class  CaloRecGPU::Helpers::SimpleHolder< T, Context, false >
 
class  CaloRecGPU::Helpers::separate_thread_holder< T >
 Manages objects of type T in a thread-safe way, ensuring that there's an object available for each separate thread while minimizing the number of allocations. More...
 
struct  CaloRecGPU::Helpers::separate_thread_accessor< T >
 ! More...
 
struct  CaloRecGPU::Helpers::maybe_allocate< T >
 Possibly holds an object in its internal buffer. More...
 

Namespaces

 CaloRecGPU
 
 CaloRecGPU::CUDA_Helpers
 
 CaloRecGPU::Helpers
 
 CaloRecGPU::Helpers::Constants
 !
 
 CaloRecGPU::Helpers::MemoryContext
 ! Holds dummy classes just to identify the place in which memory lives.
 

Macros

#define CUDA_AVAILABLE   0
 
#define CUDA_HOS_DEV
 
#define CUDA_ERRCHECK(...)
 

Typedefs

template<class T , class indexer = unsigned int>
using CaloRecGPU::Helpers::CPU_array = SimpleContainer< T, indexer, MemoryContext::CPU, true >
 Holds a run-time specified amount of objects of type T in CPU memory. More...
 
template<class T , class indexer = unsigned int>
using CaloRecGPU::Helpers::CUDA_array = SimpleContainer< T, indexer, MemoryContext::CUDAGPU, true >
 Holds a run-time specified amount of objects of type T in CUDA GPU memory. More...
 
template<class T , class indexer = unsigned int>
using CaloRecGPU::Helpers::CUDA_kernel_array = SimpleContainer< T, indexer, MemoryContext::CUDAGPU, false >
 Non-owning pointer to an array of T in CUDA GPU memory. More...
 
template<class T >
using CaloRecGPU::Helpers::CPU_object = SimpleHolder< T, MemoryContext::CPU, true >
 Holds an object of type T in CPU memory. More...
 
template<class T >
using CaloRecGPU::Helpers::CUDA_object = SimpleHolder< T, MemoryContext::CUDAGPU, true >
 Holds an object of type T in CUDA GPU memory. More...
 
template<class T >
using CaloRecGPU::Helpers::CUDA_kernel_object = SimpleHolder< T, MemoryContext::CUDAGPU, false >
 Non-owning pointer to an object of type T in CUDA GPU memory. More...
 
template<class T >
using CaloRecGPU::Helpers::CUDA_pinned_CPU_object = SimpleHolder< T, MemoryContext::CUDAPinnedCPU, true >
 Holds an object of type T in CUDA GPU memory. More...
 

Functions

void * CaloRecGPU::CUDA_Helpers::allocate (const size_t num)
 Allocates and returns the address of num bytes from GPU memory. More...
 
void CaloRecGPU::CUDA_Helpers::deallocate (void *address)
 Deallocates address in GPU memory. More...
 
void * CaloRecGPU::CUDA_Helpers::allocate_pinned (const size_t num)
 Allocates and returns the address of num bytes from CPU pinned memory. More...
 
void CaloRecGPU::CUDA_Helpers::deallocate_pinned (void *address)
 Deallocates address in CPU pinned memory. More...
 
void CaloRecGPU::CUDA_Helpers::GPU_to_CPU (void *dest, const void *const source, const size_t num)
 Copies num bytse from source in GPU memory to dest in CPU memory. More...
 
void CaloRecGPU::CUDA_Helpers::CPU_to_GPU (void *dest, const void *const source, const size_t num)
 Copies num bytes from source in CPU memory to dest in GPU memory. More...
 
void CaloRecGPU::CUDA_Helpers::GPU_to_GPU (void *dest, const void *const source, const size_t num)
 Copies num bytes from source to dest, both in GPU memory. More...
 
void CaloRecGPU::CUDA_Helpers::GPU_to_CPU_async (void *dest, const void *const source, const size_t num, CUDAStreamPtrHolder stream={})
 Copies num bytes from source in GPU memory to dest in CPU memory, asynchronously. More...
 
void CaloRecGPU::CUDA_Helpers::CPU_to_GPU_async (void *dest, const void *const source, const size_t num, CUDAStreamPtrHolder stream={})
 Copies num bytes from source in CPU memory to dest in GPU memory, asynchronously. More...
 
void CaloRecGPU::CUDA_Helpers::GPU_to_GPU_async (void *dest, const void *const source, const size_t num, CUDAStreamPtrHolder stream={})
 Copies num bytes from source to dest, both in GPU memory, asynchronously. More...
 
void CaloRecGPU::CUDA_Helpers::GPU_synchronize (CUDAStreamPtrHolder stream={})
 Synchronizes the stream. More...
 
void CaloRecGPU::CUDA_Helpers::optimize_block_and_grid_size (void *func, int &block_size, int &grid_size, const int dynamic_memory=0, const int block_size_limit=0)
 Optimizes block and grid size according to cudaOccupancyMaxPotentialBlockSize. More...
 
void CaloRecGPU::CUDA_Helpers::optimize_block_and_grid_size_for_cooperative_launch (void *func, int &block_size, int &grid_size, const int dynamic_memory=0, const int block_size_limit=0)
 Optimizes block and grid size for a cooperative launch. More...
 
bool CaloRecGPU::CUDA_Helpers::supports_cooperative_launches ()
 
bool CaloRecGPU::CUDA_Helpers::supports_dynamic_parallelism ()
 
std::string CaloRecGPU::CUDA_Helpers::GPU_name ()
 
constexpr int CaloRecGPU::Helpers::int_ceil_div (const int num, const int denom)
 Returns the ceiling of num/denom, with proper rounding. More...
 
constexpr int CaloRecGPU::Helpers::int_floor_div (const int num, const int denom)
 Returns the floor of num/denom, with proper rounding. More...
 
template<class Base = float, class Exp = int>
constexpr Base CaloRecGPU::Helpers::compile_time_pow2 (const Exp exp)
 Returns 2 to the power of exp. More...
 
template<class T >
constexpr unsigned char CaloRecGPU::Helpers::Pearson_hash (const T number)
 Calculates a Pearson hash from @ number. More...
 
template<class T >
constexpr unsigned short CaloRecGPU::Helpers::Pearson_hash_16_bit (const T number)
 Calculates a 16-bit Pearson hash from @ number. More...
 

Variables

template<class T >
constexpr T CaloRecGPU::Helpers::Constants::pi = T(3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679821480865132823066470938446095505822317253594081284811174502841027019385211055596446229489549303819644288109756659334461284756482337867831652712019091456485669234603486104543266482133936072602491412737245870066063155881748815209209628292540917153643678925903600113305305488204665213841469519415116094330572703657595919530921861173819326117931051185480744623799627495673518857527248912279381830119491298336733624L)
 
template<class T >
constexpr T CaloRecGPU::Helpers::Constants::sqrt2 = T(1.4142135623730950488016887242096980785696718753769480731766797379907324784621070388503875343276415727350138462309122970249248360558507372126441214970999358314132226659275055927557999505011527820605714701095599716059702745345968620147285174186408891986095523292304843087143214508397626036279952514079896872533965463318088296406206152583523950547457502877599617298355752203375318570113543746034084988471603868999706990048150305440277903164542478230684929369186215805784631115966687130130156185689872372352885092649L)
 
template<class T >
constexpr T CaloRecGPU::Helpers::Constants::inv_sqrt2 = T(0.70710678118654752440084436210484903928483593768847403658833986899536623923105351942519376716382078636750692311545614851246241802792536860632206074854996791570661133296375279637789997525057639103028573505477998580298513726729843100736425870932044459930477616461524215435716072541988130181399762570399484362669827316590441482031030762917619752737287514387998086491778761016876592850567718730170424942358019344998534950240751527201389515822712391153424646845931079028923155579833435650650780928449361861764425463243L)
 

Macro Definition Documentation

◆ CUDA_AVAILABLE

#define CUDA_AVAILABLE   0

Definition at line 48 of file Calorimeter/CaloRecGPU/CaloRecGPU/Helpers.h.

◆ CUDA_ERRCHECK

#define CUDA_ERRCHECK (   ...)

Definition at line 103 of file Calorimeter/CaloRecGPU/CaloRecGPU/Helpers.h.

◆ CUDA_HOS_DEV

#define CUDA_HOS_DEV

Definition at line 102 of file Calorimeter/CaloRecGPU/CaloRecGPU/Helpers.h.