新购的话貌似没以前给力。性能有差距？

去年的怎么虐也没事啊。昨天新入的不太给力哈。。。。
virtual memory exhausted: Cannot allocate memory
make: *** [ext/fileinfo/libmagic/apprentice.lo] Error 1
root@AY:/opt/php-5.4.11# make install
/bin/bash /opt/php-5.4.11/libtool --silent --preserve-dup-deps --mode=compile cc -I/opt/php-5.4.11/ext/fileinfo/libmagic -Iext/fileinfo/ -I/opt/php-5.4.11/ext/fileinfo/ -DPHP_ATOM_INC -I/opt/php-5.4.11/include -I/opt/php-5.4.11/main -I/opt/php-5.4.11 -I/opt/php-5.4.11/ext/date/lib -I/opt/php-5.4.11/ext/ereg/regex -I/usr/include/libxml2 -I/usr/include/freetype2 -I/opt/php-5.4.11/ext/mbstring/oniguruma -I/opt/php-5.4.11/ext/mbstring/libmbfl -I/opt/php-5.4.11/ext/mbstring/libmbfl/mbfl -I/usr/local/mysql/include -I/opt/php-5.4.11/ext/sqlite3/libsqlite -I/opt/php-5.4.11/TSRM -I/opt/php-5.4.11/Zend    -I/usr/include -g -O2 -fvisibility=hidden  -c /opt/php-5.4.11/ext/fileinfo/libmagic/apprentice.c -o ext/fileinfo/libmagic/apprentice.lo
virtual memory exhausted: Cannot allocate memory
make: *** [ext/fileinfo/libmagic/apprentice.lo] Error 1

都是一个价位，为何要如此