1 | ''' |
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2 | Module provides dialog for setting SAS_OPENCL variable, which defines |
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3 | device choice for OpenCL calculation |
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4 | |
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5 | Created on Nov 29, 2016 |
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6 | |
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7 | @author: wpotrzebowski |
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8 | ''' |
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9 | |
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10 | import os |
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11 | import warnings |
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12 | import wx |
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13 | |
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14 | from sas.sasgui.guiframe.documentation_window import DocumentationWindow |
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15 | |
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16 | class GpuOptions(wx.Dialog): |
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17 | """ |
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18 | "OpenCL options" Dialog Box |
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19 | |
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20 | Provides dialog for setting SAS_OPENCL variable, which defines |
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21 | device choice for OpenCL calculation |
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22 | |
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23 | """ |
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24 | |
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25 | def __init__(self, *args, **kwds): |
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26 | |
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27 | kwds["style"] = wx.DEFAULT_DIALOG_STYLE |
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28 | wx.Dialog.__init__(self, *args, **kwds) |
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29 | |
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30 | clinfo = self._get_clinfo() |
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31 | |
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32 | self.panel1 = wx.Panel(self, -1) |
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33 | static_box1 = wx.StaticBox(self.panel1, -1, "Available OpenCL Options:") |
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34 | |
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35 | boxsizer = wx.BoxSizer(orient=wx.VERTICAL) |
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36 | self.option_button = {} |
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37 | self.buttons = [] |
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38 | #Check if SAS_OPENCL is already set |
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39 | self.sas_opencl = os.environ.get("SAS_OPENCL","") |
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40 | for clopt in clinfo: |
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41 | print("clopt",clopt) |
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42 | button = wx.CheckBox(self.panel1, -1, label=clopt[1], name=clopt[1]) |
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43 | |
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44 | if clopt != "No OpenCL": |
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45 | self.option_button[clopt[1]] = clopt[0] |
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46 | if self.sas_opencl == clopt[0]: |
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47 | button.SetValue(1) |
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48 | else: |
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49 | self.option_button[clopt] = "None" |
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50 | if self.sas_opencl.lower() == "none" : |
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51 | button.SetValue(1) |
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52 | |
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53 | self.Bind(wx.EVT_CHECKBOX, self.on_check, id=button.GetId()) |
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54 | self.buttons.append(button) |
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55 | boxsizer.Add(button, 0, 0) |
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56 | |
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57 | fit_hsizer = wx.StaticBoxSizer(static_box1, orient=wx.VERTICAL) |
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58 | fit_hsizer.Add(boxsizer, 0, wx.ALL, 5) |
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59 | |
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60 | self.panel1.SetSizer(fit_hsizer) |
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61 | |
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62 | self.vbox = wx.BoxSizer(wx.VERTICAL) |
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63 | self.vbox.Add(self.panel1, 0, wx.ALL, 10) |
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64 | |
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65 | accept_btn = wx.Button(self, wx.ID_OK) |
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66 | accept_btn.SetToolTipString("Accept new OpenCL settings. This will" |
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67 | " overwrite SAS_OPENCL variable if set") |
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68 | |
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69 | help_id = wx.NewId() |
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70 | help_btn = wx.Button(self, help_id, 'Help') |
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71 | help_btn.SetToolTipString("Help on the GPU options") |
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72 | |
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73 | reset_id = wx.NewId() |
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74 | reset_btn = wx.Button(self, reset_id, 'Reset') |
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75 | reset_btn.SetToolTipString("Restore initial settings") |
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76 | |
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77 | self.Bind(wx.EVT_BUTTON, self.on_OK, accept_btn) |
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78 | self.Bind(wx.EVT_BUTTON, self.on_reset, reset_btn) |
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79 | self.Bind(wx.EVT_BUTTON, self.on_help, help_btn) |
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80 | |
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81 | btn_sizer = wx.BoxSizer(wx.HORIZONTAL) |
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82 | btn_sizer.Add((10, 20), 1) # stretchable whitespace |
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83 | btn_sizer.Add(accept_btn, 0) |
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84 | btn_sizer.Add((10, 20), 0) # non-stretchable whitespace |
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85 | btn_sizer.Add(reset_btn, 0) |
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86 | btn_sizer.Add((10, 20), 0) # non-stretchable whitespace |
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87 | btn_sizer.Add(help_btn, 0) |
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88 | |
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89 | # Add the button sizer to the main sizer. |
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90 | self.vbox.Add(btn_sizer, 0, wx.EXPAND|wx.ALL, 10) |
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91 | |
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92 | self.SetSizer(self.vbox) |
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93 | self.vbox.Fit(self) |
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94 | self.SetTitle("OpenCL options") |
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95 | self.Centre() |
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96 | |
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97 | def _get_clinfo(self): |
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98 | """ |
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99 | Reading in information about available OpenCL infrastructure |
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100 | :return: |
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101 | """ |
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102 | clinfo = [] |
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103 | try: |
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104 | import pyopencl as cl |
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105 | platforms = cl.get_platforms() |
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106 | p_index = 0 |
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107 | for platform in platforms: |
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108 | d_index = 0 |
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109 | for device in platform.get_devices(): |
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110 | combined_index = ":".join([str(p_index),str(d_index)]) \ |
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111 | if len(platforms) > 1 else str(d_index) |
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112 | clinfo.append((combined_index, ":".join([platform.name,device.name]))) |
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113 | d_index+=1 |
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114 | p_index+=1 |
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115 | except ImportError: |
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116 | warnings.warn("pyopencl import failed. Using only CPU computations") |
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117 | |
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118 | clinfo.append(("None","No OpenCL")) |
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119 | return clinfo |
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120 | |
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121 | def on_check(self, event): |
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122 | """ |
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123 | Action triggered when button is selected |
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124 | :param event: |
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125 | :return: |
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126 | """ |
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127 | selected_button = event.GetEventObject() |
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128 | for btn in self.buttons: |
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129 | if btn != selected_button: |
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130 | btn.SetValue(0) |
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131 | if selected_button.GetValue(): |
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132 | self.sas_opencl = self.option_button[selected_button.Name] |
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133 | else: |
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134 | self.sas_opencl = None |
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135 | |
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136 | def on_OK(self, event): |
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137 | """ |
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138 | Close window on accpetance |
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139 | """ |
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140 | import sasmodels |
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141 | #If statement added to handle Reset |
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142 | if self.sas_opencl: |
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143 | os.environ["SAS_OPENCL"] = self.sas_opencl |
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144 | else: |
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145 | if "SAS_OPENCL" in os.environ: |
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146 | del(os.environ["SAS_OPENCL"]) |
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147 | sasmodels.kernelcl.ENV = None |
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148 | #Need to reload sasmodels.core module to account SAS_OPENCL = "None" |
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149 | reload(sasmodels.core) |
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150 | event.Skip() |
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151 | |
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152 | def on_reset(self, event): |
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153 | """ |
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154 | Close window on accpetance |
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155 | """ |
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156 | for btn in self.buttons: |
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157 | btn.SetValue(0) |
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158 | self.sas_opencl=None |
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159 | |
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160 | def on_help(self, event): |
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161 | """ |
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162 | Provide help on opencl options. |
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163 | """ |
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164 | TreeLocation = "user/gpu_computations.html" |
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165 | anchor = "#device-selection" |
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166 | DocumentationWindow(self, -1, |
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167 | TreeLocation, anchor, "OpenCL Options Help") |
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