forked from I2P_Developers/i2p.i2p
71 lines
3.6 KiB
Plaintext
71 lines
3.6 KiB
Plaintext
NOTE: This file may not be maintained.
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See history.txt, checkin comments, javadoc, and code in
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NativeBigInteger.java and CPUID.java for additional information.
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See NativeBigInteger.java for naming rules and algorithms for
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generating an ordered list of names to load.
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================================
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jbigi.jar was built by jrandom on Aug 21, 2004 with the jbigi and jcpuid
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native libraries compiled on linux, winXP (w/ MinGW), and freebsd (4.8).
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The GMP code in jbigi is from GMP-4.1.3 (http://www.swox.com/gmp/), and
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was optimized for a variety of CPU architectures.
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On Sep 16, 2005, libjbigi-osx-none.jnilib was added to jbigi.jar after
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being compiled by jrandom on osx/ppc with GMP-4.1.4.
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On Sep 18, 2005, libjbigi-linux-athlon64.so was added to jbigi.jar after
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being compiled by jrandom on linux/p4 (cross compiled to --host=x86_64)
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with GMP-4.1.4.
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On Nov 29, 2005, the libjbigi-osx-none.jnilib was added back to
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jbigi.jar after being mistakenly removed in the Sep 18 update (d'oh!)
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On Dec 30, 2005, the libjcpuid-x86-linux.so was updated to use the
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(year old) C version of jcpuid, rather than the C++ version. This removes
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the libg++.so.5 dependency that has been a problem for a few linux distros.
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On Feb 8, 2006, the libjbigi-linux-viac3.so was added to jbigi.jar after
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being compiled by jrandom on linux/p4 (cross compiled to --host=viac3)
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On Feb 27, 2006, jbigi-win-athlon.dll was copied to jbigi-win-athlon64.dll,
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as it should offer amd64 users better performance than jbigi-win-none.dll
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until we get a full amd64 build.
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================================
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Updates May/June 2011:
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jcpuid:
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- jcpuid.c updated to be compatible with -fPIC
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- 32 bit libjcpuid-linux-x86.so updated, compiled with -fPIC.
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- 64 bit libjcpuid-linux-x86_64.so added, compiled with -fPIC.
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- 32 bit libjcpuid-freebsd-x86.so updated, compiled with -fPIC.
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- 64 bit libjcpid-freebsd-x86_64.so added, compiled with -fPIC.
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- 32 bit libjcpuid-x86-solaris.so added, compiled with -fPIC.
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- 32 bit jcpuid-x86-windows.dll updated (no PIC for Windows).
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- 64 bit jcpuid-x86_64-windows.dll was added.
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- See also javadoc and code in CPUID.java
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jbigi:
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- k62 and k63 are identical for all except windows; exception added to
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NativeBigInteger to use k62 for k63. k63 files deleted.
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- All 32 bit linux files updated with GMP 4.3.2, compiled with -fPIC,
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except for athlon64 and pentium4, which use GMP 5.0.2.
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- All 64 bit linux files updated with GMP 5.0.2.
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- All 32 bit freebsd files updated with GMP 4.3.2, compiled with -fPIC.
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- All 64 bit freebsd files are new and were linked with GMP 5.0.2.
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- All previously existing windows files were updated with GMP 4.3.2. Just as was
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done for the non-windows architectures, files for 64 bit CPUs were
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linked with GMP 5.0.2.
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- jbigi-windows-athlon64.dll was updated, it used to be duplicate of
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jbigi-windows-athlon.dll.
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- jbigi-windows-*_64.dll are new and were compiled with the x86_64-w64-mingw32-gcc
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cross compiler 4.5.3 in Linux and linked with GMP 5.0.2.
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- Note that all new 64 bit files will use the _64 suffix. For example,
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the old libjbigi-linux-athlon64.so file was 64 bit; now it is 32 bit
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and the 64 bit file is libjbigi-linux-athlon64_64.so.
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- The 4.3.2 files are half the size of the 5.0.2 files, and there was
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little or no performance difference for 32 bit, so we are using
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4.3.2 for 32 bit. For 64-bit processors, both performance testing and
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the GMP changelog led us to use 5.0.2 for both the 32- and 64-bit versions.
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- See also checkin comments, javadoc and code in NativeBigInteger.java
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