Save Tensor's data

atcold@AlfMAC2 ~/Work/Tests/binary $ th
 
  ______             __   |  Torch7                                         
 /_  __/__  ________/ /   |  Scientific computing for Lua. 
  / / / _ \/ __/ __/ _ \  |  Type ? for help                                
 /_/  \___/_/  \__/_//_/  |  https://github.com/torch         
                          |  http://torch.ch                  

th> torch.setdefaulttensortype('torch.FloatTensor')
                                                                      [0.0012s]
th> a = torch.rand(2,3)
                                                                      [0.0019s]
th> a
 0.7478  0.5815  0.5786
 0.6519  0.1937  0.6384
[torch.FloatTensor of size 2x3]
                                                                      [0.0028s]
th> torch.save('tensor-a.t7', a)
                                                                      [0.0014s]
th> Do you really want to exit ([y]/n)? y

atcold@AlfMAC2 ~/Work/Tests/binary $ ls
storage-a.t7 tensor-a.t7

atcold@AlfMAC2 ~/Work/Tests/binary $ hexdump -C tensor-a.t7 
00000000  04 00 00 00 01 00 00 00  03 00 00 00 56 20 31 11  |............V 1.|
00000010  00 00 00 74 6f 72 63 68  2e 46 6c 6f 61 74 54 65  |...torch.FloatTe|
00000020  6e 73 6f 72 02 00 00 00  02 00 00 00 00 00 00 00  |nsor............|
00000030  03 00 00 00 00 00 00 00  03 00 00 00 00 00 00 00  |................|
00000040  01 00 00 00 00 00 00 00  01 00 00 00 00 00 00 00  |................|
00000050  04 00 00 00 02 00 00 00  03 00 00 00 56 20 31 12  |............V 1.|
00000060  00 00 00 74 6f 72 63 68  2e 46 6c 6f 61 74 53 74  |...torch.FloatSt|
00000070  6f 72 61 67 65 06 00 00  00 00 00 00 00 5f 71 3f  |orage........_q?|
00000080  3f a9 df 14 3f c0 20 14  3f df e5 26 3f a8 5a 46  |?...?. .?..&?.ZF|
00000090  3e ee 6d 23 3f                                    |>.m#?|
00000095

atcold@AlfMAC2 ~/Work/Tests/binary $ hexdump -C storage-a.t7 
00000000  04 00 00 00 01 00 00 00  03 00 00 00 56 20 31 12  |............V 1.|
00000010  00 00 00 74 6f 72 63 68  2e 46 6c 6f 61 74 53 74  |...torch.FloatSt|
00000020  6f 72 61 67 65 06 00 00  00 00 00 00 00 5f 71 3f  |orage........_q?|
00000030  3f a9 df 14 3f c0 20 14  3f df e5 26 3f a8 5a 46  |?...?. .?..&?.ZF|
00000040  3e ee 6d 23 3f                                    |>.m#?|
00000045