boost library

August 26, 2003 on 3:53 pm | In General | No Comments

Recently I wrote the Stanford’s ply file loader. In that code, I wrote a simple string tokenizer using STL, but later found that there is a tokenizer in the boost library. So I modified my code to use the boost library. However, the performance dropped severely and it takes twice as much time as my tokenizer. It’s ok for the current usage, but I should check which part of code fragment in the boost library’s tokenizer class is really a bottleneck.

Kernel Installation

August 23, 2003 on 2:15 am | In General | No Comments

XFS-1.3 was released today, and I applied the patch to kernel 2.4.21 and built a debian package. When I tried to install it, I got an error saying update-grub command failed in the postinst script. I didn’t understand why update-grub fails, so I went to the bug tracking system and found that it occurs when /boot/grub/device.map is not in sync with the current device mapping. As I migrated to devfs about half an year ago, device.map was pointing to wrong locations. Just removing this file worked.

Computer Museum

August 15, 2003 on 9:17 am | In General | No Comments

Finally I’ve put the pictures taken at the computer museum in San Diego when I was there for NVIDIA U and SIGGRAPH. You can see lots of old and historically important machines there. There is even NEC PC-8801mk2 SR!. In Japan, it was the most popular personal computer in late 80s. I also saw Apple’s Lisa, ATARI machines with original ATARI joystick (I played PacMan!), and DEC’s PDP machines. They are pretty interesting. Even there is a big IBM punch card sorting machine in the corridor to the restroom. If you have chance to visit San Diego, go there. Admission fee is just $2 for adult and $1 for student.

NVIDIA U

August 7, 2003 on 1:29 am | In General | No Comments

It was really great to see other people’s research. I was so stimulated and got some ideas on my research. Also, I’m really glad that some of my wish list on graphics hardware will be available in the next generation hardware. I can’t say what it is because of NDA, but I understand that so many researchers have been wanting for those features. Hope NV40 will be available soon.

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