| 1 | """ |
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| 2 | Script to measure how long pmesh spends doing various methods |
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| 3 | """ |
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| 4 | from mesh import * |
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| 5 | from anuga.pmesh import * |
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| 6 | import time |
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| 7 | |
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| 8 | def mem_usage(): |
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| 9 | ''' |
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| 10 | returns the rss. |
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| 11 | |
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| 12 | RSS The total amount of physical memory used by the task, in kilo- |
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| 13 | bytes, is shown here. For ELF processes used library pages are |
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| 14 | counted here, for a.out processes not. |
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| 15 | |
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| 16 | Only works on nix systems. |
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| 17 | ''' |
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| 18 | import string |
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| 19 | p=os.popen('ps uwp %s'%os.getpid()) |
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| 20 | lines=p.readlines() |
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| 21 | #print "lines", lines |
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| 22 | status=p.close() |
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| 23 | if status or len(lines)!=2 or sys.platform == 'win32': |
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| 24 | return None |
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| 25 | return int(string.split(lines[1])[4]) |
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| 26 | |
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| 27 | |
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| 28 | |
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| 29 | #draw = Draw() |
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| 30 | #draw.run() |
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| 31 | n = 2 |
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| 32 | maxArea = 0.00005 |
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| 33 | #maxArea = 0.1 |
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| 34 | times = [] |
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| 35 | tinitial = time.time() |
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| 36 | mem_initial = mem_usage() |
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| 37 | print "mem_initial", mem_initial |
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| 38 | #------------------------------------------ |
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| 39 | mesh = Mesh() |
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| 40 | id = 0 |
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| 41 | for i in range(n): |
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| 42 | for j in range(n): |
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| 43 | v = mesh.addUserVertex(i,j) |
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| 44 | v.guiID = id |
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| 45 | id += 1 |
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| 46 | v1 = mesh.addUserVertex(-1,-1) |
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| 47 | v1.guiID = id |
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| 48 | id += 1 |
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| 49 | v2 = mesh.addUserVertex(-1,n) |
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| 50 | v2.guiID = id |
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| 51 | id += 1 |
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| 52 | v3 = mesh.addUserVertex(n,n) |
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| 53 | v3.guiID = id |
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| 54 | id += 1 |
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| 55 | v4 = mesh.addUserVertex(n,-1) |
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| 56 | v4.guiID = id |
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| 57 | id += 1 |
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| 58 | mesh.addUserSegment(v1,v2) |
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| 59 | mesh.addUserSegment(v2,v3) |
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| 60 | mesh.addUserSegment(v3,v4) |
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| 61 | mesh.addUserSegment(v4,v1) |
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| 62 | mem_now =mem_usage() |
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| 63 | #print "mem_now", mem_now |
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| 64 | if mem_now is not None: |
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| 65 | mem = mem_now - mem_initial |
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| 66 | else: |
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| 67 | mem = 0.0 |
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| 68 | times.append(("user_outline_created",time.time() - tinitial, mem )) |
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| 69 | #------------------------------------------ |
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| 70 | mesh.generateMesh(mode = "Q",maxArea = maxArea) |
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| 71 | mem_now =mem_usage() |
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| 72 | #print "mem_now", mem_now |
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| 73 | if mem_now is not None: |
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| 74 | mem = mem_now - mem_initial |
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| 75 | else: |
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| 76 | mem = 0.0 |
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| 77 | times.append(("mesh_generated",time.time()- tinitial - times[0][1], mem)) |
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| 78 | #------------------------------------------ |
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| 79 | mesh.export_mesh_file("dump.msh") |
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| 80 | mem_now =mem_usage() |
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| 81 | #print "mem_now", mem_now |
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| 82 | if mem_now is not None: |
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| 83 | mem = mem_now - mem_initial |
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| 84 | else: |
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| 85 | mem = 0.0 |
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| 86 | times.append(("export_mesh_file",time.time()- tinitial - times[1][1], mem)) |
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| 87 | |
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| 88 | #--------------------- |
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| 89 | print "Number of user verts. ", n |
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| 90 | print "maxArea",maxArea |
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| 91 | print "funtion time memory usage, cumulative, for nix machines" |
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| 92 | for time in times: |
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| 93 | print "%s %0.2f %0.2f" %(time[0], time[1], time[2]) |
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| 94 | |
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| 95 | """ |
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| 96 | #Results - mesh.py ver 1.84 1.85 |
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| 97 | # N 400 |
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| 98 | # initial 0 0 |
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| 99 | # user_outline_created 1.467999935 1.609999895 |
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| 100 | # mesh_generated 21.70300007 22.3440001 |
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| 101 | #zoomed 32.81299996 33.5940001 |
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| 102 | |
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| 103 | # results on dsg's pc dell precision 390. |
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| 104 | # anuga version 1497 |
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| 105 | Number of user verts. 2 |
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| 106 | maxArea 0.0001 |
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| 107 | user_outline_created 0.00 |
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| 108 | mesh_generated 4.92 |
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| 109 | export_mesh_file 16.30 |
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| 110 | |
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| 111 | Number of user verts. 2 |
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| 112 | maxArea 0.0001 |
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| 113 | user_outline_created 0.00 |
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| 114 | mesh_generated 4.92 |
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| 115 | export_mesh_file 16.30 |
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| 116 | |
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| 117 | Number of user verts. 2 |
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| 118 | maxArea 5e-005 |
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| 119 | user_outline_created 0.00 |
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| 120 | mesh_generated 15.53 |
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| 121 | export_mesh_file 41.39 |
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| 122 | |
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| 123 | version 4903 |
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| 124 | mem_initial None |
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| 125 | Number of user verts. 2 |
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| 126 | maxArea 5e-005 |
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| 127 | funtion time memory usage, cumulative, for nix machines |
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| 128 | user_outline_created 0.49 0.00 |
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| 129 | mesh_generated 1.94 0.00 |
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| 130 | export_mesh_file 2.75 0.00 |
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| 131 | |
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| 132 | |
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| 133 | Results of tornado head node |
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| 134 | Number of user verts. 2 |
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| 135 | maxArea 5e-05 |
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| 136 | funtion time memory usage, cumulative, for nix machines |
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| 137 | user_outline_created 0.14 32.00 |
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| 138 | mesh_generated 18.81 378304.00 |
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| 139 | export_mesh_file 17.79 380620.00 |
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| 140 | |
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| 141 | version 4903 |
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| 142 | mem_initial 77816 |
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| 143 | Number of user verts. 2 |
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| 144 | maxArea 5e-05 |
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| 145 | funtion time memory usage, cumulative, for nix machines |
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| 146 | user_outline_created 0.15 32.00 |
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| 147 | mesh_generated 1.26 27224.00 |
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| 148 | export_mesh_file 0.82 27224.00 |
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| 149 | |
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| 150 | """ |
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