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compiler: Unified Memory Allocator #2023

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0befd4e
dsl: Creates CupyAllocator class
Oct 19, 2022
db87362
misc: Fix indentation
Oct 19, 2022
ef1f368
dsl: Fix del method allowing the dealocation of the Cupy data
Oct 19, 2022
ca806b3
dsl: Changes that exclude copyin and copyout pragmas from source code…
Oct 19, 2022
50cd534
dsl: Remove the part of the code that makes the source code be genera…
Oct 26, 2022
539254c
dsl: Change from CUPY_ALLOC to ALLOC_CUPY
Oct 26, 2022
ddb5991
dsl: Update CupyAllocator's mem_free_args as a tuple, allowing remova…
Oct 27, 2022
d337ac8
misc: Fix indentation and comments
Oct 27, 2022
6511b06
dsl: Update free method inside CupyAllocator
Nov 4, 2022
ce12f56
tests: Add test to unified memory allocator
Feb 7, 2023
3ce03ba
dsl: Add conditional import for Cupy module
Mar 8, 2023
f4231e2
test: Update tests adding a class responsible for test external and …
Mar 8, 2023
c4444a1
dsl: Changing import cupy from init() to initialize()
Apr 13, 2023
f3f90c1
dsl: Update to fix the problem when ALLOC_CUPY tries to alloc data w…
Apr 24, 2023
41838ae
dsl: Update CupyAllocator to run at multiples nodes using MPI
May 11, 2023
241e444
dsl: Fix CupyAllocator to properly support MPI execution.
May 17, 2023
e724ffb
misc: Fix indentation
May 17, 2023
9379b31
misc: Removes unwanted leftover comments.
Mar 8, 2024
7814a46
dsl: Update the way MPI is imported at CupyAllocator
Mar 8, 2024
6df7a06
misc: Add explanatory comment
Mar 8, 2024
76dcdb1
dsl: Update "except" to "except ImportError". Other errors should be …
Mar 8, 2024
6ad6611
tests: Update memory allocator test to use skipif('nodevice')
Mar 8, 2024
92ba35c
dsl: Update of the way data type allocation is defined
Mar 18, 2024
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dsl: Add conditional import for Cupy module
  • Loading branch information
Gustavo Coelho committed Mar 8, 2023
commit 3ce03baceaf542f26e5f4a7eb6e3b61d32f94f34
11 changes: 9 additions & 2 deletions devito/data/allocators.py
Original file line number Diff line number Diff line change
@@ -5,7 +5,6 @@
import os
import sys

import cupy as cp
import numpy as np
import ctypes
from ctypes.util import find_library
@@ -14,6 +13,11 @@
from devito.parameters import configuration
from devito.tools import dtype_to_ctype

try:
import cupy as cp
except:
cp = None

__all__ = ['ALLOC_FLAT', 'ALLOC_NUMA_LOCAL', 'ALLOC_NUMA_ANY',
'ALLOC_KNL_MCDRAM', 'ALLOC_KNL_DRAM', 'ALLOC_GUARD',
'ALLOC_CUPY', 'default_allocator']
@@ -325,9 +329,12 @@ class CupyAllocator(MemoryAllocator):
"""

def __init__(self):
if not cp:
raise ImportError("Couldn't find `cupy` to "
"allocate memory")
self.mempool = cp.cuda.MemoryPool(cp.cuda.malloc_managed)
cp.cuda.set_allocator(self.mempool.malloc)

@classmethod
def initialize(cls):
pass