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S M L / N J
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1 1 0 . 3 0 N E W S
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November 4, 2000
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Summary:
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o Port to ppc Linux (thanks to Carl Pulley).
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o support for fsqrt, fptan, fcos, fsin.
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o Several CM and CMB changes.
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o Some critical bug fixes
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------------------------------------
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Bug fixes:
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o 1514. sockets c-library broken
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o 1582. SysErr exception connecting to socket
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Back ends:
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x86:
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All back ends now directly generate the sqrt instruction, and the Intel
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x86 also generate the trig instructions to implement sine, cosine, and
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tangent.
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The ICFP00, PCLubIN entry shows a significant improvement as a result
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(most of it coming from fsqrt).
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110.29 110.30 Speedup%
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------------------------------------
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tests/chess.gml: 21.63 18.38 17.67
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tests/cone-fractal.gml: 6.24 4.71 32.46
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tests/dice.gml: 8.81 6.14 43.53
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tests/fractal.gml: 46.25 35.57 30.03
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tests/golf.gml: 3.24 2.62 23.73
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tests/holes.gml: 4.26 3.15 35.41
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tests/intercyl.gml: 4.43 2.52 75.87
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tests/large.gml: 7.27 6.68 8.83
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tests/pipe.gml: 8.71 5.23 66.42
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tests/snowgoon.gml: 5.41 3.99 35.83
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---------------------------------------------------------
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Geometric Mean 8.06 5.94 31.64%
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CM (compilation manager):
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Changes to scripts:
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* "ml-build" for generating standalone programs
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* "ml-makedepend" (new!) for generating Makefile dependencies
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(not generally required but some project might want them)
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* "sml" - the main driver script for running SML/NJ.
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+ All these scripts now accept more CM-related command-line options.
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+ ml-build is faster and cleverer in avoiding unnecessary work.
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Type of CM.mk_standalone has changed.
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All user-visible changes to CM (including the above-mentioned scripts)
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are documented in the CM manual. Some errors and omissions have been
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corrected as well.
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Bug fixes to CM's internals (e.g., missing or repeated error messages).
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Pickling/Unpickling improvements result in faster autoloading and
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reduce resident memory size.
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CMB (bootstrap compiler):
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Conditional compilation within the "init library".
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(One can now use "ifdef" and "ifndef" guards in init.cmi.
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This is documented in the long comment at the beginning of
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that file (src/system/smlnj/init/init.cmi).)
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Basis Library:
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Added SMLofNJ.SysInfo.getHeapSuffix (for use by "ml-build").
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Parent Directory
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