From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 29129 invoked by alias); 25 Jan 2005 11:41:17 -0000 Mailing-List: contact java-prs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: java-prs-owner@gcc.gnu.org Received: (qmail 29070 invoked by uid 48); 25 Jan 2005 11:41:15 -0000 Date: Tue, 25 Jan 2005 11:41:00 -0000 From: "mkrause at atronicsystems dot com" To: java-prs@gcc.gnu.org Message-ID: <20050125114112.19621.mkrause@atronicsystems.com> Reply-To: gcc-bugzilla@gcc.gnu.org Subject: [Bug libgcj/19621] New: Network-performance issue in java.io.PrintStream X-Bugzilla-Reason: CC X-SW-Source: 2005-q1/txt/msg00181.txt.bz2 List-Id: When using a PrintStream in order to output 101 bytes via a socket, the output is split into to packets with 100 and 1 byte respectively. A native JDK sends 101 bytes/packet. The program reads import java.io.PrintStream; import java.net.Socket; public class Test100ByteProblem { public static void main(String args[]){ Socket s; try { int i = 0; s = new Socket("127.0.0.1", 3333); PrintStream ps = new PrintStream(s.getOutputStream()); while(i++<20){ ps. print("qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq qqqqqqqqqqqqqqqqqqqqqqqqqqqq"); ps.flush(); } s.close(); } catch (Exception e) { e.printStackTrace(); } } } $gcj -v Reading specs from /usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.2/specs Reading specs from /usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.2/libgcj.spec rename spec lib to liborig Configured with: /var/tmp/portage/gcc-3.3.2/work/gcc-3.3.2/configure --prefix=/usr --bindir=/usr/i686-pc-linux-gnu/gcc-bin/3.3 --includedir=/usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.2/include --datadir=/usr/share/gcc-data/i686-pc-linux-gnu/3.3 --mandir=/usr/share/gcc-data/i686-pc-linux-gnu/3.3/man --infodir=/usr/share/gcc-data/i686-pc-linux-gnu/3.3/info --enable-shared --host=i686-pc-linux-gnu --target=i686-pc-linux-gnu --with-system-zlib --enable-languages=c,c++,f77,objc,java --enable-threads=posix --enable-long-long --disable-checking --enable-cstdio=stdio --enable-clocale=generic --enable-__cxa_atexit --enable-version-specific-runtime-libs --with-gxx-include-dir=/usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.2/include/g++-v3 --with-local-prefix=/usr/local --enable-shared --enable-nls --without-included-gettext --x-includes=/usr/X11R6/include --x-libraries=/usr/X11R6/lib --enable-interpreter --enable-java-awt=xlib --with-x --disable-multilib Thread model: posix gcc version 3.3.2 (Gentoo Linux 3.3.2, propolice) -- Summary: Network-performance issue in java.io.PrintStream Product: gcc Version: 3.3.2 Status: UNCONFIRMED Severity: normal Priority: P2 Component: libgcj AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: mkrause at atronicsystems dot com CC: gcc-bugs at gcc dot gnu dot org,java-prs at gcc dot gnu dot org GCC build triplet: i686-pc-linux-gnu GCC host triplet: i686-pc-linux-gnu GCC target triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19621