Beginning with Java SE 5.0 there is a cross-platform flag for requesting large memory pages: -XX:+UseLargePages (on by default for Solaris, off by default for Windows and Linux). The goal of large page support is to optimize processor Translation-Lookaside Buffers. A Translation-Lookaside Buffer (TLB) is a page translation cache that holds the most-recently used virtual-to-physical address transla
Oracle 10g Server on Red Hat® Enterprise Linux® 5 Deployment Recommendations Version 1.2 November 2008 Oracle 10g Server on Red Hat® Enterprise Linux® 5 Deployment Recommendations Copyright © 2008 by Red Hat, Inc. 1801 Varsity Drive Raleigh NC 27606-2072 USA Phone: +1 919 754 3700 Phone: 888 733 4281 Fax: +1 919 754 3701 PO Box 13588 Research Triangle Park NC 27709 USA "Red Hat," Red Hat Linux, th
Last week was JBoss World, and it was exciting to be a part of it. I gave a presentation on performance tuning our Enterprise Application Platform or EAP, and it was packed. In fact, people were sitting on the floor in pretty much all available space. What struck me about the presentation, and much of the discussion I had with individuals afterwards, is that JVM tuning is a big topic. So, I though
Products Processors Accelerators Graphics Adaptive SoCs, FPGAs, & SOMs Software, Tools, & Apps
Products Processors Accelerators Graphics Adaptive SoCs, FPGAs, & SOMs Software, Tools, & Apps
VirtualAlloc で実験していたネタもついでに放出. Firefox 版 jemalloc のソースを読んでいて,デフォルト chunk size が 1 MB と比較的大きかったので,「それなら Large Page 割り当てても良いんじゃなかろうか?」と調べてみました.もっとも,結論から言えば,Windows 環境の Firefox のメモリアロケータに Large Page を使うのは,全く現実的ではないということが分かっただけでしたが. Large page support Windows Server 2003 から,ユーザーモードアプリケーションでも large page が使用できるようになった.Windows Vista でもサポートされる.VirtualAlloc に MEM_LARGE_PAGES フラグを付ける.large page の最小サイズは GetLa
リリース、障害情報などのサービスのお知らせ
最新の人気エントリーの配信
処理を実行中です
j次のブックマーク
k前のブックマーク
lあとで読む
eコメント一覧を開く
oページを開く