Zmiany na stronie — 2010

Strona główna

• 2010-07-17

  • This site is available at 0x80.pl, please do not link to wm.ite.pl, because second address can be disabled at any time.

• 2010-06-28

  • Peter Kankowski compared speed of SSE4.2 instructions crc32 and popcnt against software implementations. Hardware CRC32 is significantly faster, but population count is slightly slower than my SSSE3 popcount!

• 2010-06-9

  • Branchless set mask if value greater or how to print hex values

• 2010-05-1

  • Speedup reversing table of bytes

• 2010-04-11

  • Determining if an integer is a power of 2

• 2010-04-8

  • Brenchless conditional exchange

• 2010-04-3

  • Four new notes:

  • Determining if an integer is a power of 2
  • Brenchless conditional exchange
  • STL: map with string as key - access speedup
  • Branchless signum

  • tee implementation
  • program to measure cache misses

• 2010-03-31

  • Opis biblioteki POSIX Threads na Wikibooks

• 2010-03-27

  • SSE2 implementation of popcount — see article

• 2010-03-27

  • some PyGTK stuff

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Starsze: 2009, 2008, 2007, 2006, 2005, 2004, 2003

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