JSI Tip 1110. How do I adjust Windows NT to handle very large character sets (fonts)?

Jerold Schulman

March 1, 1999

1 Min Read
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If you regularly manipulate many very (very) large character sets, you may wish to tune the FontCache.

Note: Altering the FontCache can significantly influence the amount of memory used by Windows NT.

The FontCache key is located at:

HKEY_LOCAL_MACHINESoftwareMicrosoftWindows NTCurrentVersionFontCache

Note: The following Value Names are all type REG_DWORD entries and have a range of 0x0 - 0xFFFFFFFF KiloBytes.

Value Name

Default (KB)

D e s c r i p t i o n

 MaxSize 

 0x80 (128) 

 Maximum amount of address space reserved for each font cache. 

 MinIncrSize 

 0x4 

 Mimimum amount of memory committed each time the system increases the size of a font cache. 

 MinInitSize 

 0x4 

 Minimum amount of memory initially committed for each font cache when the cache is allocated. 


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