add bin2header for opencl

made it use spirv instead of building from sources

switch to spirv naming

transition to spirv compiled files

add opencl c to spirv cmake compiler

add temp error checking

partially implement first 7 operations

register tensor creation

add proper device id init for buffers

add tensor creation and copying

Merge branch 'opencl-backend' into add-opencl-kernel-manager

Update LeNet notebook with Vulkan

Update gitignore

Add CPU based LeNet notebook

Update build wheel scripts

Update LeNet notebook with Vulkan

Update gitignore

Add CPU based LeNet notebook

Update build wheel scripts

Update readme

make compile options managed by manager

create allocators for necessary types

improved exception handling when finding devices

remove commented code

use to_mem_size instead of duplicating

removed commented code

add reason for commented code

cache retrieval compile_kernel

add OpenCL backend support in print function

add opencl kernel manager tests

add OpenCL to backend enum

comment out tensor functions in manager

remove opencl TensorImpl source from LIB_SOURCES

add opencl backend initialization

Запрос на слияние 'vulkan-batchnorm2d' (#35) из vulkan-batchnorm2d в master

Fix missed backend configuration for BatchNorm tests

Increase accumulator size for Vulkan sum reduction shader

Update BatchNorm tests and fix Vulkan implementation

Use extended accumulator type for CPU sum reduction

add unimplemented copy_from method in TensorImpl