Mercurial > hg > graal-jvmci-8
annotate src/share/vm/graal/graalCompilerToGPU.cpp @ 12490:4dba97fb1a6f
available GPUs are exposed to Graal only by the graal.gpu.isalist system property which is set up during command line argument parsing
author | Doug Simon <doug.simon@oracle.com> |
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date | Fri, 18 Oct 2013 23:55:35 +0200 |
parents | bb5a7574ae81 |
children | 1a7e7011a341 |
rev | line source |
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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 #include "precompiled.hpp" |
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25 |
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26 #include "memory/oopFactory.hpp" |
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27 #include "graal/graalCompiler.hpp" |
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28 #include "graal/graalEnv.hpp" |
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29 #include "graal/graalJavaAccess.hpp" |
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30 #include "runtime/gpu.hpp" |
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32 # include "ptx/vm/ptxKernelArguments.hpp" |
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33 |
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34 // Entry to native method implementation that transitions current thread to '_thread_in_vm'. |
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35 #define C2V_VMENTRY(result_type, name, signature) \ |
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36 JNIEXPORT result_type JNICALL c2v_ ## name signature { \ |
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37 TRACE_graal_3("CompilerToGPU::" #name); \ |
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38 GRAAL_VM_ENTRY_MARK; \ |
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39 |
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40 // Entry to native method implementation that calls a JNI function |
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41 // and hence cannot transition current thread to '_thread_in_vm'. |
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42 #define C2V_ENTRY(result_type, name, signature) \ |
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43 JNIEXPORT result_type JNICALL c2v_ ## name signature { \ |
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44 TRACE_graal_3("CompilerToGPU::" #name); \ |
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45 |
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46 #define C2V_END } |
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47 |
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48 |
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49 C2V_ENTRY(jlong, generateKernel, (JNIEnv *env, jobject, jbyteArray code, jstring name)) |
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50 if (gpu::is_available() == false || gpu::has_gpu_linkage() == false && gpu::is_initialized()) { |
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51 tty->print_cr("generateKernel - not available / no linkage / not initialized"); |
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52 return 0; |
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53 } |
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54 jboolean is_copy; |
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55 jbyte *bytes = env->GetByteArrayElements(code, &is_copy); |
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56 jint len = env->GetArrayLength(code); |
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57 const char *namestr = env->GetStringUTFChars(name, &is_copy); |
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58 void *kernel = gpu::generate_kernel((unsigned char *)bytes, len, namestr); |
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59 if (kernel == NULL) { |
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60 tty->print_cr("[CUDA] *** Error: Failed to compile kernel"); |
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61 } |
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62 else if (TraceGPUInteraction) { |
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63 tty->print_cr("[CUDA] Generated kernel"); |
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64 } |
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65 env->ReleaseByteArrayElements(code, bytes, 0); |
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66 env->ReleaseStringUTFChars(name, namestr); |
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67 |
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68 return (jlong)kernel; |
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69 C2V_END |
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70 |
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71 C2V_VMENTRY(jobject, executeExternalMethodVarargs, (JNIEnv *env, jobject, jobject args, jobject hotspotInstalledCode)) |
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72 ResourceMark rm; |
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73 HandleMark hm; |
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74 |
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75 if (gpu::is_available() == false || gpu::has_gpu_linkage() == false && gpu::is_initialized()) { |
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76 tty->print_cr("executeExternalMethodVarargs - not available / no linkage / not initialized"); |
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77 return NULL; |
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78 } |
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79 jlong nmethodValue = HotSpotInstalledCode::codeBlob(hotspotInstalledCode); |
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80 nmethod* nm = (nmethod*) (address) nmethodValue; |
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81 methodHandle mh = nm->method(); |
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82 Symbol* signature = mh->signature(); |
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83 |
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84 // start value is the kernel |
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85 jlong startValue = HotSpotInstalledCode::codeStart(hotspotInstalledCode); |
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86 |
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87 PTXKernelArguments ptxka(signature, (arrayOop) JNIHandles::resolve(args), mh->is_static()); |
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88 JavaValue result(ptxka.get_ret_type()); |
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89 if (!gpu::execute_kernel((address)startValue, ptxka, result)) { |
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90 return NULL; |
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91 } |
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92 |
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93 if (ptxka.get_ret_type() == T_VOID) { |
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94 return NULL; |
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95 } else if (ptxka.get_ret_type() == T_OBJECT || ptxka.get_ret_type() == T_ARRAY) { |
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96 return JNIHandles::make_local((oop) result.get_jobject()); |
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97 } else { |
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98 oop o = java_lang_boxing_object::create(ptxka.get_ret_type(), (jvalue *) result.get_value_addr(), CHECK_NULL); |
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99 if (TraceGPUInteraction) { |
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100 switch (ptxka.get_ret_type()) { |
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101 case T_INT: |
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102 tty->print_cr("GPU execution returned %d", result.get_jint()); |
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103 break; |
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104 case T_FLOAT: |
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105 tty->print_cr("GPU execution returned %f", result.get_jfloat()); |
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106 break; |
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107 case T_DOUBLE: |
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108 tty->print_cr("GPU execution returned %f", result.get_jdouble()); |
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109 break; |
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110 default: |
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111 tty->print_cr("GPU returned unhandled"); |
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112 break; |
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113 } |
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114 } |
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115 return JNIHandles::make_local(o); |
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116 } |
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117 |
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118 C2V_END |
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119 |
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120 C2V_VMENTRY(jobject, executeParallelMethodVarargs, (JNIEnv *env, |
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121 jobject, |
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122 jint dimX, jint dimY, jint dimZ, |
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123 jobject args, jobject hotspotInstalledCode)) |
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124 ResourceMark rm; |
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125 HandleMark hm; |
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126 |
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127 if (gpu::is_available() == false || gpu::has_gpu_linkage() == false && gpu::is_initialized()) { |
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128 tty->print_cr("executeParallelMethodVarargs - not available / no linkage / not initialized"); |
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129 return NULL; |
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130 } |
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131 jlong nmethodValue = HotSpotInstalledCode::codeBlob(hotspotInstalledCode); |
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132 nmethod* nm = (nmethod*) (address) nmethodValue; |
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133 methodHandle mh = nm->method(); |
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134 Symbol* signature = mh->signature(); |
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135 |
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136 // start value is the kernel |
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137 jlong startValue = HotSpotInstalledCode::codeStart(hotspotInstalledCode); |
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138 |
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139 PTXKernelArguments ptxka(signature, (arrayOop) JNIHandles::resolve(args), mh->is_static()); |
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140 JavaValue result(ptxka.get_ret_type()); |
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141 if (!gpu::execute_warp(dimX, dimY, dimZ, (address)startValue, ptxka, result)) { |
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142 return NULL; |
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143 } |
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144 |
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145 if (ptxka.get_ret_type() == T_VOID) { |
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146 return NULL; |
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147 } else if (ptxka.get_ret_type() == T_OBJECT || ptxka.get_ret_type() == T_ARRAY) { |
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148 return JNIHandles::make_local((oop) result.get_jobject()); |
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149 } else { |
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150 oop o = java_lang_boxing_object::create(ptxka.get_ret_type(), (jvalue *) result.get_value_addr(), CHECK_NULL); |
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151 if (TraceGPUInteraction) { |
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152 switch (ptxka.get_ret_type()) { |
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153 case T_INT: |
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154 tty->print_cr("GPU execution returned %d", result.get_jint()); |
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155 break; |
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|
156 case T_FLOAT: |
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157 tty->print_cr("GPU execution returned %f", result.get_jfloat()); |
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158 break; |
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159 case T_DOUBLE: |
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160 tty->print_cr("GPU execution returned %g", result.get_jdouble()); |
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161 break; |
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|
162 default: |
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163 tty->print_cr("GPU returned unhandled"); |
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164 break; |
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|
165 } |
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166 } |
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167 return JNIHandles::make_local(o); |
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168 } |
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169 |
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|
170 C2V_END |
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171 |
9430
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172 C2V_VMENTRY(jboolean, deviceInit, (JNIEnv *env, jobject)) |
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173 if (gpu::is_available() == false || gpu::has_gpu_linkage() == false) { |
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174 tty->print_cr("deviceInit - not available / no linkage"); |
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175 return false; |
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|
176 } |
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177 if (gpu::is_initialized()) { |
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178 tty->print_cr("deviceInit - already initialized"); |
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179 return true; |
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|
180 } |
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181 gpu::initialize_gpu(); |
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182 return gpu::is_initialized(); |
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183 C2V_END |
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184 |
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185 C2V_VMENTRY(jint, availableProcessors, (JNIEnv *env, jobject)) |
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186 if (gpu::is_available() == false || gpu::has_gpu_linkage() == false) { |
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187 tty->print_cr("deviceInit - not available / no linkage"); |
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188 return false; |
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|
189 } |
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190 return gpu::available_processors(); |
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|
191 C2V_END |
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|
192 |
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193 C2V_VMENTRY(jboolean, deviceDetach, (JNIEnv *env, jobject)) |
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194 return true; |
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195 C2V_END |
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196 |
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197 |
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198 #define CC (char*) /*cast a literal from (const char*)*/ |
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199 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f)) |
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200 |
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201 #define RESOLVED_TYPE "Lcom/oracle/graal/api/meta/ResolvedJavaType;" |
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202 #define TYPE "Lcom/oracle/graal/api/meta/JavaType;" |
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203 #define METHOD "Lcom/oracle/graal/api/meta/JavaMethod;" |
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204 #define FIELD "Lcom/oracle/graal/api/meta/JavaField;" |
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205 #define SIGNATURE "Lcom/oracle/graal/api/meta/Signature;" |
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206 #define CONSTANT_POOL "Lcom/oracle/graal/api/meta/ConstantPool;" |
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207 #define CONSTANT "Lcom/oracle/graal/api/meta/Constant;" |
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208 #define KIND "Lcom/oracle/graal/api/meta/Kind;" |
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improved support for co-existing, multiple backends (GRAAL-363)
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|
209 #define LOCAL "Lcom/oracle/graal/api/meta/Local;" |
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210 #define RUNTIME_CALL "Lcom/oracle/graal/api/code/RuntimeCall;" |
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211 #define EXCEPTION_HANDLERS "[Lcom/oracle/graal/api/meta/ExceptionHandler;" |
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212 #define REFLECT_METHOD "Ljava/lang/reflect/Method;" |
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213 #define REFLECT_CONSTRUCTOR "Ljava/lang/reflect/Constructor;" |
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214 #define REFLECT_FIELD "Ljava/lang/reflect/Field;" |
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215 #define STRING "Ljava/lang/String;" |
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216 #define OBJECT "Ljava/lang/Object;" |
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217 #define CLASS "Ljava/lang/Class;" |
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218 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;" |
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219 #define HS_RESOLVED_TYPE "Lcom/oracle/graal/hotspot/meta/HotSpotResolvedObjectType;" |
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220 #define HS_RESOLVED_JAVA_TYPE "Lcom/oracle/graal/hotspot/meta/HotSpotResolvedJavaType;" |
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221 #define HS_RESOLVED_METHOD "Lcom/oracle/graal/hotspot/meta/HotSpotResolvedJavaMethod;" |
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222 #define HS_RESOLVED_FIELD "Lcom/oracle/graal/hotspot/meta/HotSpotResolvedJavaField;" |
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renamed HotSpotCompilationResult to HotSpotCompiledCode and added subclasses HotSpotCompiledNmethod and HotSpotCompiledRuntimeStub
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|
223 #define HS_COMPILED_CODE "Lcom/oracle/graal/hotspot/HotSpotCompiledCode;" |
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224 #define HS_CONFIG "Lcom/oracle/graal/hotspot/HotSpotVMConfig;" |
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225 #define HS_METHOD "Lcom/oracle/graal/hotspot/meta/HotSpotMethod;" |
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226 #define HS_INSTALLED_CODE "Lcom/oracle/graal/hotspot/meta/HotSpotInstalledCode;" |
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227 #define METHOD_DATA "Lcom/oracle/graal/hotspot/meta/HotSpotMethodData;" |
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228 #define METASPACE_METHOD "J" |
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|
229 #define METASPACE_METHOD_DATA "J" |
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|
230 #define NMETHOD "J" |
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|
231 #define GPUSPACE_METHOD "J" |
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|
232 |
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233 JNINativeMethod CompilerToGPU_methods[] = { |
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234 {CC"generateKernel", CC"([B" STRING ")"GPUSPACE_METHOD, FN_PTR(generateKernel)}, |
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235 {CC"deviceInit", CC"()Z", FN_PTR(deviceInit)}, |
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236 {CC"deviceDetach", CC"()Z", FN_PTR(deviceDetach)}, |
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237 {CC"availableProcessors", CC"()I", FN_PTR(availableProcessors)}, |
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238 {CC"executeExternalMethodVarargs", CC"(["OBJECT HS_INSTALLED_CODE")"OBJECT, FN_PTR(executeExternalMethodVarargs)}, |
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239 {CC"executeParallelMethodVarargs", CC"(III["OBJECT HS_INSTALLED_CODE")"OBJECT, FN_PTR(executeParallelMethodVarargs)}, |
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240 }; |
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241 |
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242 int CompilerToGPU_methods_count() { |
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243 return sizeof(CompilerToGPU_methods) / sizeof(JNINativeMethod); |
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244 } |
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245 |