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fix gpu initialziation

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This commit is contained in:
Zhenwen Dai 2016-02-09 17:22:38 +00:00
parent 0dd52981d0
commit a77a675549
3 changed files with 29 additions and 28 deletions
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3
GPy/kern/src/psi_comp/rbf_psi_gpucomp.py
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@ -5,7 +5,6 @@ The module for psi-statistics for RBF kernel
import numpy as np
from paramz.caching import Cache_this
from . import PSICOMP_RBF
from ....util import gpu_init
gpu_code = """
// define THREADNUM
@ -238,8 +237,6 @@ class PSICOMP_RBF_GPU(PSICOMP_RBF):
self.fall_back = PSICOMP_RBF()
from pycuda.compiler import SourceModule
from ....util.gpu_init import initGPU
initGPU()
self.GPU_direct = GPU_direct
self.gpuCache = None

2
GPy/kern/src/psi_comp/ssrbf_psi_gpucomp.py
View file

@ -287,8 +287,6 @@ class PSICOMP_SSRBF_GPU(PSICOMP_RBF):
def __init__(self, threadnum=128, blocknum=15, GPU_direct=False):
from pycuda.compiler import SourceModule
from ....util.gpu_init import initGPU
initGPU()
self.GPU_direct = GPU_direct
self.gpuCache = None

46
GPy/util/gpu_init.py
View file

@ -10,30 +10,36 @@ gpu_device = None
gpu_context = None
MPI_enabled = False
def initGPU():
try:
from mpi4py import MPI
MPI_enabled = True
except:
pass
try:
if MPI_enabled and MPI.COMM_WORLD.size>1:
from .parallel import get_id_within_node
gpuid = get_id_within_node()
import pycuda.driver
pycuda.driver.init()
if gpuid>=pycuda.driver.Device.count():
print('['+MPI.Get_processor_name()+'] more processes than the GPU numbers!')
raise
gpu_device = pycuda.driver.Device(gpuid)
gpu_context = gpu_device.make_context()
gpu_initialized = True
else:
try:
import pycuda.autoinit
gpu_initialized = True
except:
except:
pass
# def initGPU():
# try:
# from mpi4py import MPI
# MPI_enabled = True
# except:
# pass
# try:
# if MPI_enabled and MPI.COMM_WORLD.size>1:
# from .parallel import get_id_within_node
# gpuid = get_id_within_node()
# import pycuda.driver
# pycuda.driver.init()
# if gpuid>=pycuda.driver.Device.count():
# print('['+MPI.Get_processor_name()+'] more processes than the GPU numbers!')
# raise
# gpu_device = pycuda.driver.Device(gpuid)
# gpu_context = gpu_device.make_context()
# gpu_initialized = True
# else:
# import pycuda.autoinit
# gpu_initialized = True
# except:
# pass
def closeGPU():
if gpu_context is not None:
gpu_context.detach()