Hello, all<br><br>When I used Adobe ArnoPro font in Mkvi with default font features, I found the memory useage of LuaTeX was very big.<br><br>These are some tests:<br><div style="margin-left: 40px;">\starttypescript [serif] [arno]
</div><p style="margin: 0px 0px 0px 40px; text-indent: 0px;">  \definefontsynonym [SerifBold] [ArnoPro-Bold.otf] [features=default]</p>
<p style="margin: 0px 0px 0px 40px; text-indent: 0px;">  \definefontsynonym [SerifBoldItalic] [ArnoPro-BoldItalic.otf] [features=default]</p>
<p style="margin: 0px 0px 0px 40px; text-indent: 0px;">  \definefontsynonym [SerifItalic] [ArnoPro-Italic.otf][features=default]</p>
<p style="margin: 0px 0px 0px 40px; text-indent: 0px;">  \definefontsynonym [Serif] [ArnoPro-Regular.otf] [features=default]</p>
<p style="margin: 0px 0px 0px 40px; text-indent: 0px;">\stoptypescript</p>
<p style="margin: 0px 0px 0px 40px; text-indent: 0px;">\starttypescript [arno]</p>
<p style="margin: 0px 0px 0px 40px; text-indent: 0px;">  \definetypeface [arno] [rm] [serif] [arno] [default]</p>
<p style="margin: 0px 0px 0px 40px; text-indent: 0px;">\stoptypescript</p>
<p style="margin: 0px 0px 0px 40px; text-indent: 0px;">\usetypescript[arno]</p>
<p style="margin: 0px 0px 0px 40px; text-indent: 0px;">\setupbodyfont[arno, 11pt]</p>
<p style="margin: 0px 0px 0px 40px; text-indent: 0px;">\starttext</p>
<p style="margin: 0px 0px 0px 40px; text-indent: 0px;">\rm test\par   \it test\par   \bf test\par  \bi test\par</p>
<p style="margin: 0px 0px 0px 40px; text-indent: 0px;">\stoptext</p><p style="margin: 0px 0px 0px 40px; text-indent: 0px;"><br></p>and this is the information in log:<br><div style="margin-left: 40px;">mkiv lua stats : fonts load time           - 25.328 seconds
</div><p style="margin: 0px 0px 0px 40px; text-indent: 0px;">mkiv lua stats : result saved in file      - cont-en.pdf</p>
<p style="margin: 0px 0px 0px 40px; text-indent: 0px;">mkiv lua stats : luatex banner             - this is luatex, version beta-0.50.0-2009122521</p>
<p style="margin: 0px 0px 0px 40px; text-indent: 0px;">mkiv lua stats : control sequences         - 29946 of 165536</p>
<p style="margin: 0px 0px 0px 40px; text-indent: 0px;">mkiv lua stats : current memory usage      - 479 MB (ctx: 491 MB)</p>
<p style="margin: 0px 0px 0px 40px; text-indent: 0px;">mkiv lua stats : runtime                   - 27.828 seconds, 0 processed pages, 1 shipped pages, 0.036 pages/second</p>

<p style="margin: 0px 0px 0px 40px; text-indent: 0px;">SyncTeX written on lua.synctex.gzMTXrun | total runtime: 28.063</p><p style="margin: 0px 0px 0px 40px; text-indent: 0px;"><br></p>When I used these fonts without font feature, I got these:<br>

<div style="margin-left: 40px;">mkiv lua stats : fonts load time           - 3.016 seconds
</div><p style="margin: 0px 0px 0px 40px; text-indent: 0px;">mkiv lua stats : result saved in file      - cont-en.pdf</p>
<p style="margin: 0px 0px 0px 40px; text-indent: 0px;">mkiv lua stats : luatex banner             - this is luatex, version beta-0.50.0-2009122521</p>
<p style="margin: 0px 0px 0px 40px; text-indent: 0px;">mkiv lua stats : control sequences         - 29946 of 165536</p>
<p style="margin: 0px 0px 0px 40px; text-indent: 0px;">mkiv lua stats : current memory usage      - 84 MB (ctx: 86 MB)</p>
<p style="margin: 0px 0px 0px 40px; text-indent: 0px;">mkiv lua stats : runtime                   - 5.344 seconds, 0 processed pages, 1 shipped pages, 0.187 pages/second</p>

<p style="margin: 0px 0px 0px 40px; text-indent: 0px;">SyncTeX written on lua.synctex.gzMTXrun | total runtime: 5.484</p><p style="margin: 0px 0px 0px 40px; text-indent: 0px;"><br></p>How can I reduce the memory useage in such situation?<br>

<p style="margin: 0px; text-indent: 0px;"><br></p><br>