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annotate src/gpu/hsail/vm/gpu_hsail.hpp @ 18408:2c3666f44855

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Truffle: initial commit of object API implementation
author Andreas Woess <andreas.woess@jku.at>
date Tue, 18 Nov 2014 23:19:43 +0100
parents a29e6e7b7a86
children 82e5b5ccdb0c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #ifndef GPU_HSAIL_VM_GPU_HSAIL_HPP
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26 #define GPU_HSAIL_VM_GPU_HSAIL_HPP
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27
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28 #include "runtime/gpu.hpp"
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29 #include "utilities/exceptions.hpp"
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30 #include "graal/graalEnv.hpp"
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31 #include "gpu_hsail_OopMapHelper.hpp"
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32 #include "gpu_hsail_Frame.hpp"
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33 #include "gpu_hsail_Tlab.hpp"
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34
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35 struct HSAILKernelStats {
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36 int _dispatches;
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37 int _deopts;
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38 int _overflows;
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39 bool _changeSeen;
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40
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41 public:
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42 HSAILKernelStats() {
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43 _dispatches = _deopts = _overflows = 0;
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44 _changeSeen = false;
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45 }
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46
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47 void incDeopts() {
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48 _deopts++;
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49 _changeSeen = true;
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50 }
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51 void incOverflows() {
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52 _overflows++;
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53 _changeSeen = true;
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54 }
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55
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56 void finishDispatch() {
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57 _dispatches++;
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58 if (_changeSeen) {
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59 // print();
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60 _changeSeen = false;
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61 }
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62 }
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63
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64 void print() {
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65 tty->print_cr("Disp=%d, Deopts=%d, Ovflows=%d", _dispatches, _deopts, _overflows);
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66 }
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67 };
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68
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69 class Hsail : public Gpu {
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70
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71 public:
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72 class HSAILKernelDeoptimization VALUE_OBJ_CLASS_SPEC {
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73 friend class VMStructs;
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74 private:
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75 // TODO: separate workitemid and actionAndReason out
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76 // since they are there only once even if there are multiple frames
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77 // for now, though we only ever have one hsail frame
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78 jint _workitemid;
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79 jint _actionAndReason;
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80 // the first (innermost) "hsail frame" starts after the above fields
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81
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82 public:
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83 inline jint workitem() { return _workitemid; }
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84 inline jint reason() { return _actionAndReason; }
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85 inline jint pc_offset() { return first_frame()->pc_offset(); }
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86 inline HSAILFrame* first_frame() {
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87 // starts after the "header" fields
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88 return (HSAILFrame*) (((jbyte*) this) + sizeof(*this));
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89 }
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90 };
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91
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92 // 8 compute units * 40 waves per cu * wavesize 64
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93 // TODO: query the device to get this number
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94 #define MAX_DEOPT_SLOTS (8 * 40 * 64)
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95
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96
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97 class HSAILDeoptimizationInfo : public CHeapObj<mtInternal> {
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98 friend class VMStructs;
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99 private:
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100 jint* _notice_safepoints;
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101 jint _deopt_occurred;
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102 jint _deopt_next_index;
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103 jint _num_slots;
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104 jint _deopt_span;
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105 jint _deopt_work_index; // how far we are in processing the deopts
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106 HSAILTlabInfo** _cur_tlab_info; // copy of what was in the HSAILAllocationInfo, to avoid an extra indirection
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107 HSAILAllocationInfo* _alloc_info;
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108 char _ignore;
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109 jobject _oop_map_array;
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110 // keep a pointer last so save area following it is word aligned
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111 jboolean* _never_ran_array;
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112
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113 public:
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114 // static HSAILKernelStats kernelStats;
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115 HSAILKernelDeoptimization _deopt_save_states[1]; // number and size of these can vary per kernel
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116
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117 static inline size_t hdr_size() {
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118 return sizeof(HSAILDeoptimizationInfo);
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119 }
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120
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121 inline jbyte* save_area_start() {
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122 return (jbyte*) (this) + hdr_size();
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123 }
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124
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125 inline HSAILDeoptimizationInfo(int numSlots, int bytesPerSaveArea, int dimX, HSAILAllocationInfo* allocInfo, jobject oop_map_array) {
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126 _notice_safepoints = &Hsail::_notice_safepoints;
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127 _deopt_occurred = 0;
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128 _deopt_next_index = 0;
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129 _deopt_work_index = 0;
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130 _num_slots = numSlots;
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131 _never_ran_array = NEW_C_HEAP_ARRAY(jboolean, dimX, mtInternal);
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132 memset(_never_ran_array, 0, dimX * sizeof(jboolean));
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133 _alloc_info = allocInfo;
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134 _oop_map_array = oop_map_array;
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135 _deopt_span = sizeof(HSAILKernelDeoptimization) + sizeof(HSAILFrame) + bytesPerSaveArea;
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136 if (TraceGPUInteraction) {
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137 tty->print_cr("HSAILDeoptimizationInfo allocated, %d slots of size %d, total size = 0x%lx bytes", _num_slots, _deopt_span, (_num_slots * _deopt_span + sizeof(HSAILDeoptimizationInfo)));
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138 }
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139 }
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140
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141 inline ~HSAILDeoptimizationInfo() {
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142 FREE_C_HEAP_ARRAY(jboolean, _never_ran_array, mtInternal);
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143 }
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144
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145 inline jint deopt_occurred() {
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146 return _deopt_occurred;
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147 }
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148 inline jint num_deopts() { return _deopt_next_index; }
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149 inline jboolean* never_ran_array() { return _never_ran_array; }
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150 inline jint num_slots() {return _num_slots;}
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151 inline void set_deopt_work_index(int val) { _deopt_work_index = val; }
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152 inline jint deopt_work_index() { return _deopt_work_index; }
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153
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154 inline HSAILKernelDeoptimization* get_deopt_save_state(int slot) {
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155 // use _deopt_span to index into _deopt_states
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156 return (HSAILKernelDeoptimization*) (save_area_start() + _deopt_span * slot);
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157 }
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158
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159 void set_cur_tlabInfos(HSAILTlabInfo** ptlabInfos) {
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160 _cur_tlab_info = ptlabInfos;
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161 }
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162
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163 void oops_do(OopClosure* f);
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164
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165 void* operator new (size_t hdrSize, int numSlots, int bytesPerSaveArea) {
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166 assert(hdrSize <= hdr_size(), "");
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167 size_t totalSizeBytes = hdr_size() + numSlots * (sizeof(HSAILKernelDeoptimization) + sizeof(HSAILFrame) + bytesPerSaveArea);
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168 return NEW_C_HEAP_ARRAY(char, totalSizeBytes, mtInternal);
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169 }
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170
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171 void operator delete (void* ptr) {
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172 FREE_C_HEAP_ARRAY(char, ptr, mtInternal);
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173 }
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174 };
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175
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176 private:
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177
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178 static JNINativeMethod HSAIL_methods[];
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179
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180 // static native boolean initialize();
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181 JNIEXPORT static jboolean initialize(JNIEnv* env, jclass);
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182
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183 // static native long generateKernel(byte[] targetCode, String name);
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184 JNIEXPORT static jlong generate_kernel(JNIEnv* env, jclass, jbyteArray code_handle, jstring name_handle);
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185
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186 // static native boolean executeKernel0(HotSpotInstalledCode kernel, int jobSize, Object[] args);
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187 JNIEXPORT static jboolean execute_kernel_void_1d(JNIEnv* env, jclass, jobject hotspotInstalledCode, jint dimX, jobject args,
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188 jint num_tlabs, int allocBytesPerWorkitem, jobject oop_map_array);
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189
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190 static jboolean execute_kernel_void_1d_internal(address kernel, int dimX, jobject args, methodHandle& mh, nmethod* nm,
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191 jint num_tlabs, int allocBytesPerWorkitem, jobject oop_map_array, TRAPS);
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192
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193 static GraalEnv::CodeInstallResult install_code(Handle& compiled_code, CodeBlob*& cb, Handle installed_code, Handle triggered_deoptimizations);
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194
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195 public:
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196
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197 // Registers the implementations for the native methods in HSAILHotSpotBackend
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198 static bool register_natives(JNIEnv* env);
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199
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200 virtual const char* name() { return "HSAIL"; }
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201
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202 virtual void notice_safepoints();
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203 virtual void ignore_safepoints();
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204
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205 #if defined(__x86_64) || defined(AMD64) || defined(_M_AMD64)
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206 typedef unsigned long long CUdeviceptr;
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207 #else
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208 typedef unsigned int CUdeviceptr;
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209 #endif
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210
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211 private:
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212
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213 /*
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214 * Kernel launch options from okra.h
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215 */
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216 typedef struct graal_okra_range_s {
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217 uint32_t dimension; //max value is 3
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218 uint32_t global_size[3];
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219 uint32_t group_size[3];
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220 uint32_t reserved; //For future use
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221 } graal_okra_range_t;
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222
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223 typedef jint (*okra_get_context_func_t)(void**);
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224 typedef jint (*okra_create_kernel_func_t)(void*, unsigned char*, const char*, void**);
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225 typedef jint (*okra_push_pointer_func_t)(void*, void*);
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226 typedef jint (*okra_push_boolean_func_t)(void*, jboolean);
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227 typedef jint (*okra_push_byte_func_t)(void*, jbyte);
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228 typedef jint (*okra_push_double_func_t)(void*, jdouble);
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229 typedef jint (*okra_push_float_func_t)(void*, jfloat);
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230 typedef jint (*okra_push_int_func_t)(void*, jint);
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231 typedef jint (*okra_push_long_func_t)(void*, jlong);
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232 typedef jint (*okra_execute_kernel_func_t)(void*, void*, graal_okra_range_t*);
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233 typedef jint (*okra_clear_args_func_t)(void*);
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234 typedef jint (*okra_dispose_kernel_func_t)(void*);
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235 typedef jint (*okra_dispose_context_func_t)(void*);
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236
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237 public:
16533
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238 static okra_get_context_func_t _okra_get_context;
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239 static okra_create_kernel_func_t _okra_create_kernel;
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240 static okra_push_pointer_func_t _okra_push_pointer;
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241 static okra_push_boolean_func_t _okra_push_boolean;
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242 static okra_push_byte_func_t _okra_push_byte;
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243 static okra_push_double_func_t _okra_push_double;
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244 static okra_push_float_func_t _okra_push_float;
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245 static okra_push_int_func_t _okra_push_int;
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246 static okra_push_long_func_t _okra_push_long;
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247 static okra_execute_kernel_func_t _okra_execute_kernel;
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248 static okra_clear_args_func_t _okra_clear_args;
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249 static okra_dispose_kernel_func_t _okra_dispose_kernel;
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250 static okra_dispose_context_func_t _okra_dispose_context;
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251
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252 protected:
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253 static void* _device_context;
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254
66e3af78ea96 HSAIL: added safepoint support
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255 // true if safepoints are activated
66e3af78ea96 HSAIL: added safepoint support
Doug Simon <doug.simon@oracle.com>
parents: 15066
diff changeset
256 static jint _notice_safepoints;
12743
f1a55428a8d7 more HSAIL support in the C++ layer for executing HSAIL code on the simulator
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
257 };
16076
06eedda53e14 HSAIL: add support to allocate new TLAB from GPU
Doug Simon <doug.simon@oracle.com>
parents: 15609
diff changeset
258 #endif // GPU_HSAIL_VM_GPU_HSAIL_HPP