Mercurial > hg > Game > Cerium

annotate TaskManager/Gpu/GpuThreads.cc @ 1437:fa6723e7d329 draft

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fix GpuTaskManagerImpl
author Daichi TOMA <toma@cr.ie.u-ryukyu.ac.jp>
date Sat, 07 Apr 2012 09:29:09 +0900
parents 42057124fb44
children 3c787a21ff10
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1 #include "GpuThreads.h"
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2 #include "GpuScheduler.h"
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3 #include "TaskManagerImpl.h"
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4
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5 GpuThreads::GpuThreads()
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6 {
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7 threads = new pthread_t;
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8 args = new gpu_arg;
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9 }
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10
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11 GpuThreads::~GpuThreads()
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12 {
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13 delete threads;
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14 delete args;
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15 }
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16
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17 void
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18 GpuThreads::init()
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19 {
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20 clGetPlatformIDs(1, &platfrom_id, &ret_num_platforms);
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21 clGetDeviceIds(platform_id, CL_DEVICE_TYPE_GPU, 1, &device_id, &ret_num_devices);
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22 // unavailable GPU
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23 if( ret_num_devices == 0) {
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24 exit(EXIT_FAILURE);
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25 }
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26 context = clCreateContext(NULL, 1, device_id, NULL, NULL, &ret);
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27 command_queue = clCreateCommandQueue(context, *device_id, 0, &ret);
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28
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29 args.scheduler = new GpuScheduler();
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30 args.useRefDma = use_refdma;
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31 args.command_queue = command_queue;
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32
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33 pthread_create(&threads, NULL, &cpu_thread_run, (void*)&args);
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35 }
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36
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37 void *
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38 GpuThreads::gpu_thread_run(void *args)
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39 {
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40 gpu_arg *argt = (gpu_arg *) args;
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41 Scheduler *g_scheduler = argt->scheduler;
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42 // command_queueがThreadセーフじゃない。
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43 cl_command_queue *command_queue = argt->command_queue;
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44
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45 TaskManagerImpl *manager = new GpuTaskManagerImpl();
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46 g_scheduler->init(manager, argt->useRefDma);
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47 g_scheduler->set_command_queue(command_queue);
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48
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49 manager->set_scheduler(g_scheduler);
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50
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51 g_scheduler->run();
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52 g_scheduler->finish();
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53
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54 return NULL
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55 }
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57 int
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58 GpuThreads::get_mail(memaddr *ret)
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59 {
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60 *ret = args.scheduler->mail_read_from_host();
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61 return 1;
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62 }
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63
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64 int
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65 GpuThreads::has_mail(memaddr *ret)
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66 {
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67 if (args.scheduler->has_mail_from_host() != 0) {
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68 return get_mail(ret);
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69 } else {
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70 return 0;
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71 }
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72 }
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73
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74 void
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75 CpuThreads::send_mail(int cpuid, int num, memaddr *data)
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76 {
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77 args.scheduler->mail_write_from_host(*data);
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78 }