Changes between Version 6 and Version 7 of Examples/Laplace

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Timestamp:
05/07/10 08:48:33 (5 years ago)
Author:
benl (IP: 129.94.242.38)
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  • Examples/Laplace

    v6 v7  
    11= Laplace = 
    22 
    3 Solves the Laplace equation `u_xx + u_yy = 0` in a rectangular domain, by iteratively applying a stencil function function.  
     3Solves the Laplace equation `u_xx + u_yy = 0` in a rectangular domain, by iteratively applying a stencil function.  
    44 
    55The first argument is the number of iterations to use. The second is a BMP file containing boundary conditions. 
     
    2323|| [http://code.haskell.org/repa/wiki/images/pls-400x400.bmp full size] || [http://code.haskell.org/repa/wiki/images/pls-400x400-out.bmp full size] || 
    2424 
     25== Runtime ==  
     26 
     27Compiled with GHC 6.13.20100309. 400x400 image. 1000 iterations. 
     28 
     29Running on a Intel i7 iMac. 2.8Ghz, 4 cores x 2 threads/core. 256k L1, 8MB L2, 8GB main memory. 
     30 
     31Times stated include IO. 
     32 
     33|| Threads || Time(s) ||  
     34|| 1  || 64.67 || 
     35|| 2 || 37.29 ||  
     36|| 3 || 27.45 ||  
     37|| 4 || 31.96 ||  
     38|| 5 || 28.08 || 
     39|| 6 || 24.39 || 
     40|| 7 || 23.83 ||  
     41|| 8 || 24.67 ||