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The “*p”

The “*p”. Outline: Front end tag for Parallel Dimensions Trigger for matrix Constructors Propagator of Parallelism. The “*p”. Outline: Front end tag for Parallel Dimensions Trigger for matrix Constructors Propagator of Parallelism. The “*p”: Front end tag for “parallel dimensions”.

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The “*p”

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  1. The “*p” Outline: Front end tag for Parallel Dimensions Trigger for matrix Constructors Propagator of Parallelism Confidential Information

  2. The “*p” Outline: Front end tag for Parallel Dimensions Trigger for matrix Constructors Propagator of Parallelism Confidential Information

  3. The “*p”: Front end tag for “parallel dimensions” Commands, pointers transmitted. Not the data! Confidential Information

  4. The “*p”: Front end tag for “parallel dimensions” >> m=100, n=200*p m = 100 n = 200p m,n Commands, pointers transmitted. Not the data! Confidential Information

  5. The “*p”: Front end tag for “parallel dimensions” >> m=100, n=200*p m = 100 n = 200p >> a=rand(m,n), b=rand(n,m) a = ddense object: 100-by-200p b = ddense object: 200p-by-100 m,n Build random m,n a,b return pointer Commands, pointers transmitted. Not the data! Confidential Information

  6. The “*p”: Front end tag for “parallel dimensions” >> m=100, n=200*p m = 100 n = 200p >> a=rand(m,n), b=rand(n,m) a = ddense object: 100-by-200p b = ddense object: 200p-by-100 >> np ans = 4 m,n Build random m,n a,b return pointer a: col dist 100x50 per processor b: row dist50x100 per processor Commands, pointers transmitted. Not the data! Confidential Information

  7. The “*p” Outline: Front end tag for Parallel Dimensions Trigger for matrix Constructors Propagator of Parallelism Confidential Information

  8. The “*p”: Trigger for Matrix Constructors >> m=100, n=200*p m = 100 n = 200p >> a=rand(100,200*p); a=randn(m,n); >> a=zeros(m,n); a=ones(m,n); >> a=eye(200*p); >> a=1:200*p; m,n Matrix Constructor m,n a return pointer Commands, pointers transmitted. Not the data! Confidential Information

  9. The “*p” Outline: Front end tag for Parallel Dimensions Trigger for matrix Constructors Propagator of Parallelism Confidential Information

  10. The “*p”: Propagator of Parallelism n >> n=2000*p; %Trigger constructors >> a=rand(3,n); >> x=rand(n,1); %Propagate Parallelism!!! >> k=size(x,1); >> b=ones(k); >> e=eye(size(a)); a x k b e k,n a,b,e,x Confidential Information

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