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This commit is contained in:
Mikael Djurfeldt
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commit
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7 changed files with 134 additions and 12 deletions
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@ -1,3 +1,10 @@
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2000-06-20 Mikael Djurfeldt <mdj@thalamus.nada.kth.se>
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* GUILE-VERSION: Changed to work also when included by a Makefile
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(e.g. debian/rules). (Thanks to Karl M. Hegbloom.)
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(LIBGUILE_MAJOR_VERSION): Bumped to 9.
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(GUILE_MINOR_VERSION): Bumped to 4.
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2000-06-12 Mikael Djurfeldt <mdj@thalamus.nada.kth.se>
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* libguile.h: Removed #include "libguile/kw.h".
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84
NEWS
84
NEWS
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@ -183,6 +183,53 @@ when this hook is run in the future.
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C programmers: Note the new C level hooks scm_before_gc_c_hook,
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scm_before_sweep_c_hook, scm_after_gc_c_hook.
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** Improvements to garbage collector
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Guile 1.4 has a new policy for triggering heap allocation and
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determining the sizes of heap segments. It fixes a number of problems
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in the old GC.
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1. The new policy can handle two separate pools of cells
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(2-word/4-word) better. (The old policy would run wild, allocating
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more and more memory for certain programs.)
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2. The old code would sometimes allocate far too much heap so that the
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Guile process became gigantic. The new code avoids this.
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3. The old code would sometimes allocate too little so that few cells
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were freed at GC so that, in turn, too much time was spent in GC.
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4. The old code would often trigger heap allocation several times in a
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row. (The new scheme predicts how large the segments needs to be
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in order not to need further allocation.)
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The new GC scheme also is prepared for POSIX threading. Threads can
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allocate private pools of cells ("clusters") with just a single
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function call. Allocation of single cells from such a cluster can
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then proceed without any need of inter-thread synchronization.
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** New environment variables controlling GC parameters
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GUILE_MAX_SEGMENT_SIZE Maximal segment size
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(default = 2097000)
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Allocation of 2-word cell heaps:
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GUILE_INIT_SEGMENT_SIZE_1 Size of initial heap segment in bytes
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(default = 360000)
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GUILE_MIN_YIELD_1 Minimum number of freed cells at each
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GC in percent of total heap size
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(default = 40)
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Allocation of 4-word cell heaps
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(used for real numbers and misc other objects):
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GUILE_INIT_SEGMENT_SIZE_2, GUILE_MIN_YIELD_2
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(See entry "Way for application to customize GC parameters" under
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section "Changes to the scm_ interface" below.)
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* Changes to Scheme functions and syntax
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** close-input-port and close-output-port are now R5RS
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@ -215,6 +262,16 @@ Returns #t if PORT is closed or #f if it is open.
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The list* functionality is now provided by cons* (SRFI-1 compliant)
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** New procedure: cons* ARG1 ARG2 ... ARGn
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Like `list', but the last arg provides the tail of the constructed list,
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returning (cons ARG1 (cons ARG2 (cons ... ARGn))).
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Requires at least one argument. If given one argument, that argument
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is returned as result.
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This function is called `list*' in some other Schemes and in Common LISP.
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** Removed deprecated: serial-map, serial-array-copy!, serial-array-map!
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* Changes to the gh_ interface
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@ -464,6 +521,26 @@ are run when the heap is locked. These are intended for extension of
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the GC in a modular fashion. Examples are the weaks and guardians
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modules.
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** Way for application to customize GC parameters
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The application can set up other default values for the GC heap
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allocation parameters
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GUILE_INIT_HEAP_SIZE_1, GUILE_MIN_YIELD_1,
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GUILE_INIT_HEAP_SIZE_2, GUILE_MIN_YIELD_2,
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GUILE_MAX_SEGMENT_SIZE,
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by setting
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scm_default_init_heap_size_1, scm_default_min_yield_1,
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scm_default_init_heap_size_2, scm_default_min_yield_2,
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scm_default_max_segment_size
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respectively before callong scm_boot_guile.
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(See entry "New environment variables ..." in section
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"Changes to the stand-alone interpreter" above.)
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** Deprecated type tags: scm_tc16_flo, scm_tc_flo, scm_tc_dblr, scm_tc_dblc
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Guile does not provide the float representation for inexact real numbers any
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@ -475,6 +552,13 @@ and scm_tc16_complex, respectively.
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** Removed deprecated function scm_newsmob
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** Warning: scm_make_smob_type_mfpe might become deprecated in a future release
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There is an ongoing discussion among the developers whether to
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deprecate `scm_make_smob_type_mfpe' or not. Please use the current
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standard interface (scm_make_smob_type, scm_set_smob_XXX) in new code
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until this issue has been settled.
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** Removed deprecated type tag scm_tc16_kw
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** Added type tag scm_tc16_keyword
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26
README
26
README
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@ -1,8 +1,4 @@
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This is not a Guile release; it is a source tree retrieved via
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anonymous CVS or as a nightly snapshot at some random time after the
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Guile 1.3.4 release.
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This is version 1.3.5 of Guile, Project GNU's extension language
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This is version 1.4 of Guile, Project GNU's extension language
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library. Guile is an interpreter for Scheme, packaged as a library
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that you can link into your applications to give them their own
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scripting language. Guile will eventually support other languages as
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@ -18,14 +14,22 @@ representation of data types in Guile. The example-smob directory
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contains example source code for the "Defining New Types (Smobs)" chapter.
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The incomplete Guile reference manual is available at
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ftp://ftp.red-bean.com/pub/guile/snapshots/guile-doc-snap.tar.gz
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There is a plan to distribute the reference manual with guile-core,
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with much of the text generated from the docstrings in the sources.
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The docstrings are likely to be more up-to-date than the reference
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manual at present (see libguile/guile-procedures.txt which is
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ftp://ftp.red-bean.com/pub/guile/snapshots/guile-doc-snap.tar.gz
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Neil Jerram is working on the new reference manual, which will be
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distributed with guile-core. The new manual will be synchronized with
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the docstrings in the sources. Until then, please be aware that the
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docstrings are likely to be more up-to-date than the old reference
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manual (use `(help)' or see libguile/guile-procedures.txt which is
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generated by the build process).
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The Guile WWW page is at
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http://www.gnu.org/software/guile/guile.html
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It contains a link to the Guile FAQ.
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Guile License ==================================================
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The license of Guile consists of the GNU GPL plus a special statement
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@ -164,7 +168,7 @@ Obtaining Guile ======================================================
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The latest official Guile release is available via anonymous FTP from
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ftp://ftp.gnu.org/pub/gnu/guile/guile-1.3.4.tar.gz
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ftp://ftp.gnu.org/pub/gnu/guile/guile-1.4.tar.gz
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The mailing list `guile@sourceware.cygnus.com' carries discussions,
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questions, and often answers, about Guile. To subscribe, send mail to
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4
RELEASE
4
RELEASE
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@ -121,6 +121,10 @@ Spiffing checklist:
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(If the above steps are not done, the dependencies won't be properly
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included in the generated Makefile.in files.)
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+ Then do 'make dist'.
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+ Check that the dependencies in guile-readline/Makefile look OK.
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(We currently use a kludge which edits the dependencies generated
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by automake so that Guile can be built in a directory separate
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from the source tree also with non-GNU make programs.)
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* Give the test disty to various people to try. Here's what you should do:
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+ Unset GUILE_LOAD_PATH.
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+ Remove automake and autoconf from your path, or turn off their
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1
THANKS
1
THANKS
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@ -24,6 +24,7 @@ For fixes or providing information which led to a fix:
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Mark Galassi
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Ian Grant
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Greg Harvey
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Karl M. Hegbloom
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Jon Hellan
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Richard Kim
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Brad Knotwell
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@ -1,3 +1,8 @@
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2000-06-20 Mikael Djurfeldt <mdj@thalamus.nada.kth.se>
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* session.scm: Use module (ice-9 regex).
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(help): Regexp-quote a name given as a symbol.
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2000-06-16 Dirk Herrmann <D.Herrmann@tu-bs.de>
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* common-list.scm (list*): Removed, since this function is
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@ -1,3 +1,20 @@
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2000-06-20 Mikael Djurfeldt <mdj@thalamus.nada.kth.se>
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* gc.c, gc.h (scm_default_init_heap_size_1,
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scm_default_min_yield_1, scm_default_init_heap_size_2,
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scm_default_min_yield_2, scm_default_max_segment_size): New global
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variables. Can be customized by the application before booting
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Guile. (We might want to be able to control these parameters
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dynamically through the "options interface" in the future, but
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note that that is additional functionality. Here we're giving
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default values which the environment variables can override.)
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* list.c (scm_cons_star): Updated comment.
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* smob.h: Changed comments for scm_make_smob_type and
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scm_make_smob_type_mfpe, warning that the latter might be
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deprecated in a future release.
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2000-06-19 Dirk Herrmann <D.Herrmann@tu-bs.de>
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* list.[ch] (scm_cons_star/cons*): Renamed from
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