1 | # global |
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2 | import os |
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3 | import sys |
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4 | import sasmodels |
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5 | |
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6 | from PyQt4 import QtGui, QtCore |
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7 | from sas.qtgui.Perspectives.Fitting.UI.GPUOptionsUI import Ui_GPUOptions |
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8 | |
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9 | try: |
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10 | _fromUtf8 = QtCore.QString.fromUtf8 |
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11 | except AttributeError: |
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12 | def _fromUtf8(s): |
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13 | return s |
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14 | |
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15 | try: |
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16 | _encoding = QtGui.QApplication.UnicodeUTF8 |
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17 | def _translate(context, text, disambig): |
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18 | return QtGui.QApplication.translate(context, text, disambig, _encoding) |
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19 | except AttributeError: |
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20 | def _translate(context, text, disambig): |
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21 | return QtGui.QApplication.translate(context, text, disambig) |
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22 | |
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23 | |
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24 | class GPUOptions(QtGui.QDialog, Ui_GPUOptions): |
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25 | """ |
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26 | OpenCL Dialog to modify the OpenCL options |
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27 | """ |
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28 | |
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29 | clicked = False |
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30 | checkBoxes = None |
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31 | sas_open_cl = None |
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32 | |
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33 | def __init__(self, parent=None): |
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34 | super(GPUOptions, self).__init__(parent) |
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35 | self.parent = parent |
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36 | self.setupUi(self) |
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37 | self.addOpenCLOptions() |
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38 | self.createLinks() |
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39 | |
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40 | def addOpenCLOptions(self): |
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41 | """ |
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42 | Populate the window with a list of OpenCL options |
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43 | """ |
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44 | # Get list of openCL options and add to GUI |
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45 | cl_tuple = _get_clinfo() |
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46 | i = 0 |
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47 | self.sas_open_cl = os.environ.get("SAS_OPENCL", "") |
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48 | self.checkBoxes = [] |
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49 | for title, descr in cl_tuple: |
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50 | checkBox = QtGui.QCheckBox(self.openCLCheckBoxGroup) |
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51 | checkBox.setGeometry(20, 20 + i, 351, 30) |
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52 | checkBox.setObjectName(_fromUtf8(descr)) |
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53 | checkBox.setText(_translate("GPUOptions", descr, None)) |
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54 | if (descr == self.sas_open_cl) or (title == "None" and not self.clicked): |
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55 | checkBox.click() |
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56 | self.clicked = True |
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57 | self.checkBoxes.append(checkBox) |
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58 | # Expand group and shift items down as more are added |
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59 | self.openCLCheckBoxGroup.resize(391, 60 + i) |
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60 | self.okButton.setGeometry(QtCore.QRect(20, 90 + i, 93, 28)) |
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61 | self.resetButton.setGeometry(QtCore.QRect(120, 90 + i, 93, 28)) |
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62 | self.testButton.setGeometry(QtCore.QRect(220, 90 + i, 93, 28)) |
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63 | self.helpButton.setGeometry(QtCore.QRect(320, 90 + i, 93, 28)) |
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64 | self.resize(440, 130 + i) |
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65 | i += 30 |
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66 | |
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67 | def createLinks(self): |
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68 | """ |
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69 | Link actions to function calls |
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70 | """ |
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71 | self.testButton.clicked.connect(lambda: self.testButtonClicked()) |
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72 | self.helpButton.clicked.connect(lambda: self.helpButtonClicked()) |
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73 | self.openCLCheckBoxGroup.clicked.connect(lambda: self.checked()) |
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74 | |
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75 | def checked(self): |
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76 | """ |
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77 | Action triggered when box is selected |
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78 | """ |
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79 | selected_box = None |
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80 | for box in self.checkBoxes: |
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81 | if box.isChecked() and box.getText() != self.sas_open_cl: |
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82 | selected_box = box |
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83 | else: |
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84 | box.setChecked(False) |
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85 | if selected_box.getText(): |
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86 | self.sas_open_cl = self.option_button[selected_box.title] |
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87 | else: |
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88 | self.sas_open_cl = None |
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89 | |
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90 | def testButtonClicked(self): |
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91 | """ |
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92 | Run the model tests when the test button is clicked |
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93 | """ |
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94 | pass |
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95 | |
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96 | def helpButtonClicked(self): |
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97 | """ |
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98 | Open the help menu when the help button is clicked |
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99 | """ |
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100 | pass |
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101 | |
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102 | def reject(self): |
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103 | """ |
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104 | Close the window without modifying SAS_OPENCL |
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105 | """ |
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106 | self.close() |
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107 | self.parent.gpu_options_widget = GPUOptions(self) |
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108 | self.open() |
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109 | |
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110 | def accept(self): |
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111 | """ |
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112 | Close the window after modifying the SAS_OPENCL value |
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113 | """ |
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114 | # If statement added to handle Reset |
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115 | if self.sas_open_cl: |
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116 | os.environ["SAS_OPENCL"] = self.sas_open_cl |
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117 | else: |
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118 | if "SAS_OPENCL" in os.environ: |
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119 | del os.environ["SAS_OPENCL"] |
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120 | |
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121 | # Sasmodels kernelcl doesn't exist when initiated with None |
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122 | if 'sasmodels.kernelcl' in sys.modules: |
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123 | sasmodels.kernelcl.ENV = None |
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124 | |
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125 | reload(sasmodels.core) |
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126 | super(GPUOptions, self).accept() |
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127 | |
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128 | def closeEvent(self, event): |
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129 | """ |
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130 | Overwrite QDialog close method to allow for custom widget close |
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131 | """ |
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132 | self.reject() |
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133 | |
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134 | |
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135 | def _get_clinfo(): |
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136 | """ |
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137 | Reading in information about available OpenCL infrastructure |
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138 | :return: |
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139 | """ |
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140 | clinfo = [] |
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141 | platforms = [] |
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142 | try: |
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143 | import pyopencl as cl |
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144 | platforms = cl.get_platforms() |
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145 | except ImportError: |
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146 | print("pyopencl import failed. Using only CPU computations") |
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147 | |
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148 | p_index = 0 |
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149 | for platform in platforms: |
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150 | d_index = 0 |
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151 | devices = platform.get_devices() |
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152 | for device in devices: |
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153 | if len(devices) > 1 and len(platforms) > 1: |
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154 | combined_index = ":".join([str(p_index), str(d_index)]) |
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155 | elif len(platforms) > 1: |
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156 | combined_index = str(p_index) |
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157 | else: |
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158 | combined_index = str(d_index) |
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159 | clinfo.append((combined_index, ":".join([platform.name, device.name]))) |
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160 | d_index += 1 |
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161 | p_index += 1 |
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162 | |
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163 | clinfo.append(("None", "No OpenCL")) |
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164 | return clinfo |
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