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56 lines
1.6 KiB
Plaintext
56 lines
1.6 KiB
Plaintext
puts "=========="
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puts "0032539: Modeling Algorithms - Parallelize BRepExtrema_DistShapeShape algorithm"
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puts "=========="
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puts ""
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# prepare
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restore [locate_data_file 5000-12.brep] s1
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restore [locate_data_file BPLSEITLI.brep] s2
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# multi-thread
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cpulimit 1000
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dchrono p reset; dchrono p start;
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set pres [distmini res s1 s2 -parallel]
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dchrono p stop;
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regexp {Elapsed time: +([-0-9.+eE]+) Hours +([-0-9.+eE]+) Minutes +([-0-9.+eE]+) Seconds} [dchrono p show] full p_Hours p_Minutes p_Seconds
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set p_Time [expr ${p_Hours}*60.*60. + ${p_Minutes}*60. + ${p_Seconds} ]
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puts "multithreaded time: $p_Time"
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set pdist [dval res_val]
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vclear
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vclose ALL
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vinit v1/v1
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vdisplay -dispMode 1 s1 s2 res
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vzoom 2
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checkview -screenshot -3d -path ${imagedir}/${test_image}_multi.png
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#single-thread
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dchrono s reset; dchrono s start;
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set cres [distmini res s1 s2]
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dchrono s stop;
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regexp {Elapsed time: +([-0-9.+eE]+) Hours +([-0-9.+eE]+) Minutes +([-0-9.+eE]+) Seconds} [dchrono s show] full s_Hours s_Minutes s_Seconds
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set s_Time [expr ${s_Hours}*60.*60. + ${s_Minutes}*60. + ${s_Seconds} ]
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puts "single-threaded time: $s_Time"
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set sdist [dval res_val]
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vclear
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vclose ALL
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vinit v2/v2
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vdisplay -dispMode 1 s1 s2 res
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vzoom 2
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checkview -screenshot -3d -path ${imagedir}/${test_image}_single.png
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# compare
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set ratio [expr ${s_Time}/${p_Time} ]
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puts "acceleration in multi-threaded work: $ratio"
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if {[string compare $cres $pres] != 0} {
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puts "Error: different result between single-thread and multi-thread mode"
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}
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if {[expr abs(${sdist} - ${pdist})] > 1E-13} {
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puts "Error: different distance between single-thread and multi-thread mode"
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}
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