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bulianghui新蟲 (小有名氣)
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[求助]
想在計(jì)算機(jī)集群里用8個(gè)核運(yùn)算一個(gè)MATLAB計(jì)算程序,需要怎么修改呢?
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以下程序,提交后申請(qǐng)了8個(gè)核,但是只有一個(gè)核在運(yùn)算,求大神怎么修改! clc clear ii=0; for x1=0:0.01:1; for x2=0:0.01:1; for x3=0:0.01:1; for x4=0:0.01:1; for x5=0:0.01:1; for x6=0:0.01:1; if x1+x2+x3+x4+x5+x6==1 && x1~=0 && x2~=0 && x3~=0 && x3~=0 && x4~=0 && x5~=0 && x6~=0 ii=ii+1; s1= 9.98*x1+12.93*x2+8.12*x3+2.56*x4+7.48*x5+2.55*x6; s2=14.53*x1+20.47*x2+14.66*x3+0.36*x4+9.13*x5+3.57*x6; s3=74.52*x1+65.07*x2+75.45*x3+95.82*x4+81.59*x5+88.51*x6; s4=35.31*x1+34.64*x2+36.73*x3+14.44*x4+22.12*x5+20.97*x6; s5=8.52*x1+7.69*x2+8.61*x3+10.03*x4+10.06*x5+9.77*x6; s6=10.92*x1+8.33*x2+7.54*x3+6.42*x4+7.84*x5+2.54*x6; s7=0.91*x1+2.29*x2+2.31*x3+2.81*x4+2.28*x5+2.14*x6; s(ii, =[s1,s2,s3,s4,s5,s6,s7];end end end end end end end xlswrite('/public/home/qzhh/matlab_bx/peimeicanshu01b.xlsx',s) y1=(s(:,1)-9.0050)/1.4323; y2=(s(:,2)-17.7230)/3.6728; y3=(s(:,3)-68.4066)/4.4536; y4=(s(:,4)-23.7348)/1.5452; y5=(s(:,5)-9.4295)/0.69*38; y6=(s(:,6)-15.6093)/4.2234; y7=(s(:,7)-3.6961)/2.7192; m=[y1 y2 y3 y4 y5 y6 y7]; xlswrite('/public/home/qzhh/matlab_bx/bzhcanshu01b.xlsx',m) c=[-0.4872,-0.5141,0.4791,-0.0690,0.3503,-0.2986,0.2277;0.0585,0.0208,0.0895,0.6496,0.5424,0.1098,-0.5097;-0.2815,0.2464,-0.3749,0.3565,-0.1322,-0.7556,0.0628;0.2555,0.1357,0.0250,0.4132,0.2073,0.1636,0.8217]; %轉(zhuǎn)換矩陣 y=c*m'; y0=y'; xlswrite('/public/home/qzhh/matlab_bx/PCA101b.xlsx',y0) |
新蟲 (小有名氣)
木蟲 (小有名氣)
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你這段代碼本身是串行的,不含并行語(yǔ)句啊,怎么會(huì)并行呢。并不是說(shuō)那隨便拿段代碼,給多分幾個(gè)核,這代碼就會(huì)并行運(yùn)行了。理論上,想要代碼并行,必須從算法上考慮怎樣將任務(wù)分配給幾個(gè)進(jìn)程,或者把數(shù)據(jù)分配給幾個(gè)進(jìn)程,還得考慮幾個(gè)進(jìn)程之間數(shù)據(jù)的交互。你可以看看matlab中多核并行相關(guān)語(yǔ)句怎么寫。 發(fā)自小木蟲Android客戶端 |
新蟲 (著名寫手)
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并行算法實(shí)現(xiàn),又要整好長(zhǎng)時(shí)間。 發(fā)自小木蟲Android客戶端 |
新蟲 (小有名氣)
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