I manually added the cache directories and I set everything to maximum in my .cfg file. I'm using this:
vt_pageimagesizeuniquediffuseonly2 8192
vt_pageimagesizeuniquediffuseonly 8192
vt_pageimagesizeunique 8192
vt_pageimagesizevmtr 8192
vt_restart
vt_maxaniso 4
image_anisotropy 4
vt_pageimagesizeuniquediffuseonly 8192
vt_pageimagesizeunique 8192
vt_pageimagesizevmtr 8192
vt_restart
vt_maxaniso 4
image_anisotropy 4
My shortcut uses this:
+com_AllowConsole 1 +com_SkipIntroVideo 1 +mem_phymemblocksizem 1024 +fc_maxcachememoryMB 256 +jobs_numthreads 4 +vt_maxppf 128 +vt_maxlockedpages 64