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1.½éÉÜ

KaldiÓïÒôʶ±ð¹¤¾ß½«HTK±È½ÏÁãËéµÄ¸÷ÖÖ¸÷ÑùµÄÖ¸ÁîºÍ¹¦ÄܽøÐÐÕûÀí¼¯ºÏ£¬Ê¹ÓÃperl½Å±¾µ÷Óá£Í¬Ê±Ò²¼ÓÈëÁËÉî¶ÈÉñ¾­ÍøÂçµÄ·ÖÀàÆ÷(DNN)£¬±¾ÉíÓÉÔ­À´×öHTK¿ª·¢µÄÈËÔ±ÖÆ×÷¶ø³É£¬¿ÉÒÔ˵ÊÇHTKµÄÉý¼¶¼ÓÇ¿°æ¡£

kaldi¹Ù·½ÍøÕ¾Çë¼û£ºhttp://kaldi.sourceforge.net/index.html

2.°²×°ºÍ±àÒë

µÚÒ»²½£ºÏÂÔØkaldi¹¤¾ß°ü

kaldi ÓÐÁ½¸ö°æ±¾£¬kaldi-1ºÍkaldi--trunk£¬Ç°ÕßÊÇÎȶ¨°æ£¬ºóÕßÊÇа档ÎÒ°²×°µÄÊÇа档

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sudo apt-get install subversion
svn update
svn co https://kaldi.svn.sourceforge.net/svnroot/kaldi/trunk kaldi-trunk
cd kaldi-trunk
cd tools
cat INSTALL
make -j 4

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1.µ±µçÄÔÓв»Ö¹Ò»¸öcpuʱ£¬¼ÙÉèÓÐËĸö£¬¿ÉÒÔÊäÈ룺make -j 4 ÒÔ½Úʡʱ¼ä¡£

2.makeÖ¸ÁîÊÇΪÁ˰²×°8¸öÈí¼þ£¬ÆäÖУ¬£¨sph2pipe, openfst, ATLAS£©Õâ3¸öÊDZØÐëµÄ¡£

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cd ../src
./configure

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°²×°openfst:

1.°²×°g++

sudo apt-get install g++

2.½âѹ

tar -xovzf openfst-1.3.2.tar.gz
for dir in openfst-1.3.2/{src/,}include/fst; do
( [ -d $dir ] && cd $dir && patch -p0 -N <../../../../openfst.patch )
done
rm openfst 2>/dev/null # Remove any existing link
ln -s openfst-1.3.2 openfst
cd openfst-1.3.2

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./configure --prefix=`pwd` --enable-static --disable-shared

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./configure --host=x86_64-linux --prefix=`pwd` --enable-static --disable-shared

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./configure --prefix=`pwd` CXX=g++-4.exe CC=gcc-4.exe --enable-static --disable-shared

3.°²×°

sudo make install

°²×°ATLAS:

×¢£º°²×°ATLASǰ£¬Òª±£Ö¤¹Øµôcpu throttling¡£¾ø´ó²¿·Ö²Ù×÷ϵͳĬÈÏ¿ªÆôpower managementÖеÄcpu throttlingÒÔ±£»¤cpu¡£¾ø´ó²¿·ÖµçÄÔ¿ÉÒÔÔÚBIOSÖйصôcpu throttling£¨Í¨³£ÔÚpower managementÖлòcpu frequency Ñ¡ÏîÖС££©¾ø´ó²¿·Ö²Ù×÷ϵͳҲÄܹصôcpu throttling£¬ÔÚFedoraÖУ¬ÊäÈë/usr/bin/cpufreq-selector -g performance¿ÉÒԹصôcpu throttling¡£±¾»úÆ÷ÊÇUbuntu 12.04 cpu frequency scaling governorµÄ·¾¶ÊÇ£¨/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor£©¡£´Ë´¦½¨ÒéʹÓãºhttps://wiki.archlinux.org/index.php/CPU_Frequency_Scaling_£¨¼òÌåÖÐÎÄ£©ÖеÄÐÞ¸ÄÈí¼þ£¬Ð޸ĺóÊÇÁÙʱµÄ£¬ÖØÆôÖ®ºó»Ö¸´Ä¬ÈÏÉèÖã¬ÕâÑù²»»á¶Ô»ù´¡ÉèÖÃÔì³ÉÓ°Ïì¡£

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sudo apt-get install cpufrequtils
sudo cpufreq-set -c 1 -g performance
sudo cpufreq-set -c 2 -g performance
sudo cpufreq-set -c 3 -g performance
sudo cpufreq-set -c 4 -g performance
cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
cat /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor
cat /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor
cat /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor

²é¿´ÀïÃæµÄÑ¡ÏîondemandÊÇ·ñ¾ù¸ÄΪperformance¡£

³ýÁ˸ü¸Äcpu throttling£¬»¹Òª°²×°gfortran£¬·ñÔò»á³ö´í£º

sudo apt-get install gfortran

×îºó£¬ÔÚtoolsĿ¼ÏÂÊäÈ룺

./install_atlas.sh

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../src

./configure

make depend

make -j 4ÔÚÒ»¶Îʱ¼äÖ®ºó¾Í»áÓÐÌáʾ³öÏÖ£¬ÏÔʾ°²×°³É¹¦¡£

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