Révision 202
| Splutter/GPU/SplutterGPU.py (revision 202) | ||
|---|---|---|
| 384 | 384 |
|
| 385 | 385 |
for i in range(steps): |
| 386 | 386 |
|
| 387 |
start_time=time.time() |
|
| 387 | 388 |
Splutter[:]=0 |
| 388 | 389 |
|
| 389 | 390 |
print Splutter,len(Splutter) |
| ... | ... | |
| 427 | 428 |
stop.record() |
| 428 | 429 |
stop.synchronize() |
| 429 | 430 |
|
| 430 |
elapsed = start.time_till(stop)*1e-3 |
|
| 431 |
# elapsed = start.time_till(stop)*1e-3 |
|
| 432 |
elapsed = time.time()-start_time |
|
| 431 | 433 |
|
| 432 | 434 |
print Splutter,sum(Splutter) |
| 433 | 435 |
MySplutter[i]=numpy.median(Splutter) |
| ... | ... | |
| 459 | 461 |
# Default Device selection based on ALU Type |
| 460 | 462 |
for platform in cl.get_platforms(): |
| 461 | 463 |
for device in platform.get_devices(): |
| 462 |
deviceType=cl.device_type.to_string(device.type) |
|
| 464 |
#deviceType=cl.device_type.to_string(device.type)
|
|
| 463 | 465 |
deviceMemory=device.max_mem_alloc_size |
| 464 | 466 |
if deviceMemory>MaxMemoryXPU: |
| 465 | 467 |
MaxMemoryXPU=deviceMemory |
| 466 | 468 |
if deviceMemory<MinMemoryXPU or MinMemoryXPU==0: |
| 467 | 469 |
MinMemoryXPU=deviceMemory |
| 468 |
if deviceType=="GPU" and Alu=="GPU" and not HasXPU:
|
|
| 470 |
if not HasXPU:
|
|
| 469 | 471 |
XPU=device |
| 470 |
print "GPU selected with Allocable Memory %i: %s" % (deviceMemory,device.name)
|
|
| 472 |
print "XPU selected with Allocable Memory %i: %s" % (deviceMemory,device.name)
|
|
| 471 | 473 |
HasXPU=True |
| 472 | 474 |
MemoryXPU=deviceMemory |
| 473 |
if deviceType=="CPU" and Alu=="CPU" and not HasXPU: |
|
| 474 |
XPU=device |
|
| 475 |
print "CPU selected with Allocable Memory %i: %s" % (deviceMemory,device.name) |
|
| 476 |
HasXPU=True |
|
| 477 |
MemoryXPU=deviceMemory |
|
| 478 | 475 |
|
| 479 | 476 |
else: |
| 480 | 477 |
print "Enter XPU selector based on device number & ALU type" |
| ... | ... | |
| 483 | 480 |
# Primary Device selection based on Device Id |
| 484 | 481 |
for platform in cl.get_platforms(): |
| 485 | 482 |
for device in platform.get_devices(): |
| 486 |
deviceType=cl.device_type.to_string(device.type) |
|
| 483 |
#deviceType=cl.device_type.to_string(device.type)
|
|
| 487 | 484 |
deviceMemory=device.max_mem_alloc_size |
| 488 | 485 |
if deviceMemory>MaxMemoryXPU: |
| 489 | 486 |
MaxMemoryXPU=deviceMemory |
| 490 | 487 |
if deviceMemory<MinMemoryXPU or MinMemoryXPU==0: |
| 491 | 488 |
MinMemoryXPU=deviceMemory |
| 492 |
if Id==Device and Alu==deviceType and HasXPU==False:
|
|
| 489 |
if Id==Device and HasXPU==False: |
|
| 493 | 490 |
XPU=device |
| 494 | 491 |
print "CPU/GPU selected with Allocable Memory %i: %s" % (deviceMemory,device.name) |
| 495 | 492 |
HasXPU=True |
| ... | ... | |
| 540 | 537 |
|
| 541 | 538 |
print Splutter,len(Splutter) |
| 542 | 539 |
|
| 540 |
h2d_time=time.time() |
|
| 543 | 541 |
SplutterCL = cl.Buffer(ctx, mf.WRITE_ONLY|mf.COPY_HOST_PTR,hostbuf=Splutter) |
| 542 |
print('From Host to Device time %f' % (time.time()-h2d_time))
|
|
| 544 | 543 |
|
| 544 |
start_time=time.time() |
|
| 545 | 545 |
if ParaStyle=='Blocks': |
| 546 | 546 |
# Call OpenCL kernel |
| 547 | 547 |
# (1,) is Global work size (only 1 work size) |
| ... | ... | |
| 592 | 592 |
print "%s with %i %s done" % (Alu,jobs,ParaStyle) |
| 593 | 593 |
|
| 594 | 594 |
CLLaunch.wait() |
| 595 |
d2h_time=time.time() |
|
| 595 | 596 |
cl.enqueue_copy(queue, Splutter, SplutterCL).wait() |
| 597 |
print('From Device to Host %f' % (time.time()-d2h_time))
|
|
| 598 |
|
|
| 599 |
# elapsed = 1e-9*(CLLaunch.profile.end - CLLaunch.profile.start) |
|
| 600 |
elapsed = time.time()-start_time |
|
| 601 |
print('Elapsed compute time %f' % elapsed)
|
|
| 596 | 602 |
|
| 597 |
elapsed = 1e-9*(CLLaunch.profile.end - CLLaunch.profile.start) |
|
| 598 |
|
|
| 599 | 603 |
MyDuration[i]=elapsed |
| 600 |
print Splutter,sum(Splutter) |
|
| 604 |
#print Splutter,sum(Splutter)
|
|
| 601 | 605 |
#MySplutter[i]=numpy.median(Splutter) |
| 602 | 606 |
#print numpy.mean(Splutter)*len(Splutter),MySplutter[i]*len(Splutter),numpy.std(Splutter) |
| 603 | 607 |
|
| ... | ... | |
| 731 | 735 |
Id=1 |
| 732 | 736 |
for platform in cl.get_platforms(): |
| 733 | 737 |
for device in platform.get_devices(): |
| 734 |
deviceType=cl.device_type.to_string(device.type) |
|
| 738 |
#deviceType=cl.device_type.to_string(device.type)
|
|
| 735 | 739 |
deviceMemory=device.max_mem_alloc_size |
| 736 |
print "Device #%i from %s of type %s with memory %i : %s" % (Id,platform.vendor,deviceType,deviceMemory,device.name.lstrip())
|
|
| 740 |
print "Device #%i from %s with memory %i : %s" % (Id,platform.vendor,deviceMemory,device.name.lstrip())
|
|
| 737 | 741 |
Id=Id+1 |
| 738 | 742 |
|
| 739 | 743 |
|
| ... | ... | |
| 805 | 809 |
Id=1 |
| 806 | 810 |
for platform in cl.get_platforms(): |
| 807 | 811 |
for device in platform.get_devices(): |
| 808 |
deviceType=cl.device_type.to_string(device.type) |
|
| 809 |
print "Device #%i of type %s : %s" % (Id,deviceType,device.name)
|
|
| 812 |
#deviceType=cl.device_type.to_string(device.type)
|
|
| 813 |
print "Device #%i : %s" % (Id,device.name)
|
|
| 810 | 814 |
if Id == Device: |
| 811 | 815 |
# Set the Alu as detected Device Type |
| 812 |
Alu=deviceType
|
|
| 816 |
Alu='xPU'
|
|
| 813 | 817 |
Id=Id+1 |
| 814 | 818 |
except ImportError: |
| 815 | 819 |
print "Platform does not seem to support CUDA" |
Formats disponibles : Unified diff