for the glory, it does not use 90 percent less memory! apparently the Facebook’s PR agency originally stated incorrectly that HHVM provided a ”90 percent reduc

for the glory, it does not use 90 percent less memory! apparently the Facebook’s PR agency originally stated incorrectly that HHVM provided a ”90 percent reduction in memory cost” over Facebook’s existing HipHop interpreter. then the Facebook’s post on HHVM was later corrected by Facebook’s engineers. see: http://techcrunch.com/2011/12/09/hiphop-virtual-machine/ http://techcrunch.com/2011/12/09/hiphop-virtual-machine/