1 | #!/usr/bin/env python |
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2 | |
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3 | from mapping import * |
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4 | |
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5 | ################################################################################### |
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6 | # file : coremark.py |
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7 | # date : january 2016 |
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8 | # author : Cesar FUGUET TORTOLERO |
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9 | ################################################################################### |
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10 | |
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11 | ###################### |
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12 | def extend( mapping ): |
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13 | |
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14 | x_size = mapping.x_size |
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15 | y_size = mapping.y_size |
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16 | nprocs = mapping.nprocs |
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17 | x_width = mapping.x_width |
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18 | y_width = mapping.y_width |
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19 | |
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20 | # define vsegs base & size |
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21 | code_base = 0x10000000 |
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22 | code_size = 0x00010000 # 64 Kbytes (per cluster) |
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23 | |
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24 | data_base = 0x20000000 |
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25 | data_size = 0x00010000 # 64 Kbytes (non replicated) |
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26 | |
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27 | heap_base = 0x30000000 |
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28 | heap_size = 0x00200000 # 2M bytes (per cluster) |
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29 | |
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30 | stack_base = 0x40000000 |
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31 | stack_size = 0x00010000 # 64 Kbytes (per thread) |
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32 | |
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33 | # create vspace |
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34 | vspace = mapping.addVspace( name = 'coremark', |
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35 | startname = 'coremark_data', |
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36 | active = True ) |
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37 | |
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38 | # data vseg : shared / cluster[0][0] |
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39 | mapping.addVseg( vspace, 'coremark_data', data_base , data_size, |
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40 | 'C_WU', vtype = 'ELF', x = 0, y = 0, pseg = 'RAM', |
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41 | binpath = 'bin/coremark/appli.elf', |
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42 | local = False ) |
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43 | |
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44 | # heap vsegs : shared (one per cluster) |
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45 | for x in xrange (x_size): |
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46 | for y in xrange (y_size): |
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47 | cluster_id = (x * y_size) + y |
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48 | if ( mapping.clusters[cluster_id].procs ): |
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49 | size = heap_size |
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50 | base = heap_base + (cluster_id * size) |
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51 | mapping.addVseg( vspace, 'coremark_heap_%d_%d' %(x,y), base , size, |
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52 | 'C_WU', vtype = 'HEAP', x = x, y = y, pseg = 'RAM', |
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53 | local = False, big = True ) |
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54 | |
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55 | # code vsegs : local (one copy per cluster) |
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56 | for x in xrange (x_size): |
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57 | for y in xrange (y_size): |
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58 | cluster_id = (x * y_size) + y |
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59 | if ( mapping.clusters[cluster_id].procs ): |
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60 | mapping.addVseg( vspace, 'coremark_code_%d_%d' %(x,y), |
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61 | code_base , code_size, |
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62 | 'CXWU', vtype = 'ELF', x = x, y = y, pseg = 'RAM', |
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63 | binpath = 'bin/coremark/appli.elf', |
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64 | local = True ) |
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65 | |
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66 | # stacks vsegs: local (one stack per thread => nprocs stacks per cluster) |
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67 | # Define also the main_stack in cluster[0][0]. The main_stack cannot be |
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68 | # local as the main thread passes to workers a local parameter. |
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69 | mapping.addVseg( vspace, 'main_stack', |
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70 | stack_base, stack_size, 'C_WU', vtype = 'BUFFER', |
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71 | x = 0 , y = 0 , pseg = 'RAM', |
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72 | local = False ) |
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73 | |
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74 | for x in xrange (x_size): |
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75 | for y in xrange (y_size): |
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76 | cluster_id = (x * y_size) + y |
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77 | if ( mapping.clusters[cluster_id].procs ): |
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78 | for p in xrange( nprocs ): |
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79 | proc_id = (((x * y_size) + y) * nprocs) + p |
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80 | base = stack_base + (proc_id * stack_size) + stack_size |
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81 | mapping.addVseg( vspace, 'coremark_stack_%d_%d_%d' % (x,y,p), |
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82 | base, stack_size, 'C_WU', vtype = 'BUFFER', |
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83 | x = x , y = y , pseg = 'RAM', |
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84 | local = True ) |
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85 | |
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86 | # distributed threads / one thread per processor |
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87 | # ... plus main on P[0][0][0] |
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88 | IS_MAIN = True |
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89 | mapping.addThread( vspace, 'main', IS_MAIN, 0, 0, 0, |
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90 | 'main_stack', |
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91 | 'coremark_heap_0_0', |
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92 | 2 ) # index in start_vector |
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93 | |
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94 | for x in xrange (x_size): |
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95 | for y in xrange (y_size): |
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96 | cluster_id = (x * y_size) + y |
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97 | if ( mapping.clusters[cluster_id].procs ): |
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98 | for p in xrange( nprocs ): |
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99 | thread_name = 'iterate_%d_%d_%d' % (x,y,p) |
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100 | mapping.addThread( vspace, thread_name, not IS_MAIN, x, y, p, |
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101 | 'coremark_stack_%d_%d_%d' % (x,y,p), |
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102 | 'coremark_heap_%d_%d' % (x,y), |
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103 | 1 ) |
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104 | |
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105 | # extend mapping name |
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106 | mapping.name += '_coremark' |
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107 | |
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108 | return vspace # useful for test |
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109 | |
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110 | ################################ test ############################################ |
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111 | |
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112 | if __name__ == '__main__': |
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113 | vspace = extend( Mapping( 'test', 2, 2, 4 ) ) |
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114 | print vspace.xml() |
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115 | |
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116 | |
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117 | # Local Variables: |
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118 | # tab-width: 4; |
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119 | # c-basic-offset: 4; |
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120 | # c-file-offsets:((innamespace . 0)(inline-open . 0)); |
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121 | # indent-tabs-mode: nil; |
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122 | # End: |
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123 | # |
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124 | # vim: filetype=python:expandtab:shiftwidth=4:tabstop=4:softtabstop=4 |
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125 | |
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