X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=NEWS;h=2791c8210ad0a9450cc1487e2251c378682e1aaa;hb=597826f00530e8d0c6f4a8ccda2e366f56b65579;hp=5b4ac62b3e08b841a26a3a383a0a64155bfedc8d;hpb=436b2ab0276f547e8537b6c1fb52b11fa1f53975;p=sbcl.git diff --git a/NEWS b/NEWS index 5b4ac62..2791c82 100644 --- a/NEWS +++ b/NEWS @@ -1,5 +1,55 @@ ;;;; -*- coding: utf-8; fill-column: 78 -*- -changes relative to sbcl-1.0.56: +changes relative to sbcl-1.0.57: + * enhancement: implicit generic function warnings now specify the package + in which the new generic function is being created. + * enhancement: SB-EXT:ATOMIC-UPDATE makes it easy to perform non-destructive + updates of CAS-able places (similar to Clojure's swap!). + * enhancement: run-program no longer decodes and re-encodes environment when + :environment argument is not provided. (lp#985904) + * enhancement: errors during compiler-macro expansion no longer cause + runtime errors, only a compile-time warning, otherwise behaving as if + the compiler macro had declined to expand. + * optimization: On x86-64, code alignment of block headers is done with + multi-byte NOPs now instead of repetitions of the single-byte NOP. + * optimization: MAP-INTO is substantially faster when the target sequence is + of unknown type; mapping into lists is no longer O(N^2). (thanks to James + M. Lawrence) + * optimization: the compiler no longer heap-conses to check exits in cases + where the exit function is dynamic extent, or when it can prove the exit + function cannot escape. + * optimization: SB-SEQUENCE:DOSEQUENCE is faster on vectors of unknown + element type, and vectors that aren't SIMPLE-ARRAYs. + * optimization: CL:SORT and CL:STABLE-SORT are more efficient in execution + speed (around 1/3 the time in some cases), and a little better in terms of + comparison calls. (Thanks to Takeru Ohta) + * bug fix: On SPARC, a limitation on the number of code constants emittable + by the compiler has been lifted, allowing certain long functions to + compiled and assembled which had previously been unsupported; fixes + cl-bench on this ISA (lp#1008996). + * bug fix: potential for infinite recursion during compilation of CLOS slot + typechecks when dependency graph had loops. (lp#1001799) + * bug fix: error forms reported with some program-errors were not escaped + properly. + * bug fix: functions from EVAL are now on more equal footing with functions + from COMPILE. (lp#1000783, lp#851170, lp#922408) + * bug fix: ENSURE-GENERIC-METHOD-COMBINATION accepts method combination + objects as its :METHOD-COMBINATION argument, not just lists designating + method combinations. (lp#936513) + * bug fix: run-program no longer unconditionally uses /tmp/ for temporary + files. (lp#968837). + * bug fix: restore build on solaris/sparc. (lp#1008506) + * bug fix: an issue with LDB in the PowerPC backend has been resolved; + this fixes an issue found with cl-postgres (thanks to Tomas Hlavaty). + * bug fix: compiler-macro lambda-lists specifying non-keyword symbols + as keyword arguments no longer accidentally match unevaluated symbols + against them. + * bug fix: FORMAT used to loop infinitely in some cases when a COLINC + parameter was zero, now it signals an error. (lp#905817, fixed since + 1.0.56.19) + * bug fix: run-program with :pty t no longer makes the pty as the process's + controling terminal. + +changes in sbcl-1.0.57 relative to sbcl-1.0.56: * RANDOM enhancements and bug fixes: ** bug fix: the range and distribution of random integers could be catastrophically wrong when the compiler derived the type of its @@ -7,7 +57,7 @@ changes relative to sbcl-1.0.56: ** bug fix: the distribution of random integers is now completely uniform even when the specified limit is not a power of two. (Previously some values could be about 0.1 % more probable than - others in the worst case.) + others in the worst case.) (lp#309467) ** RANDOM on large integer arguments is generally faster and conses less than before; this is visible for fixnums above a length of about 24 bits, but extremely so for bignums: the old implementation @@ -23,11 +73,16 @@ changes relative to sbcl-1.0.56: (lp#936304) * enhancement: backtraces show the correct number of arguments for frames called with too many arguments. + * enhancement: support for abort(3), exit(3), and _exit(2) has been added to + SB-POSIX. + * enhancement: ASDF has been updated 2.21. * optimization: fewer uses of full calls to signed modular functions. (lp#903821) * optimization: typechecking alien values is typically 5 x faster. * optimization: FDEFINITION, SYMBOL-FUNCTION, MACRO-FUNCTION, and FBOUNDP are 20% faster. + * bug fix: file compilation performance issues when dumping subtypes + of CHARACTER (lp#994487) * bug fix: fixed disassembly of some SSE instructions on x86-64. * bug fix: SB-SIMPLE-STREAMS signals an error for bogus :CLASS arguments in OPEN. (lp#969352, thanks to Kambiz Darabi) @@ -56,6 +111,14 @@ changes relative to sbcl-1.0.56: allowing faster release of memory back to the OS. (lp#991293) * bug fix: WITH-DEADLINE (:SECONDS NIL :OVERRIDE T) now drops any existing deadline for the dynamic scope of its body. + * bug fix: compiler-internal interval arithmetic needed to be more + conservative about open intervals when operated on by monotonic but not + strictly-monotonic functions. (lp#975528) + * bug fix: copy-tree caused stack exhaustion on long linear lists, and now + it's also slightly faster. (lp#998926) + * bug fix: better error messages for malformed declarations. + (lp#1000239) + * bug fix: define-condition didn't return the name of the defined condition. * documentation: ** improved docstrings: REPLACE (lp#965592) @@ -118,6 +181,8 @@ changes in sbcl-1.0.55 relative to sbcl-1.0.54: * optimization: the compiler no longer refuses to coerce large fixnums to single floats inline, except on x86 where this limitation is still necessary. + * optimization: truncation operations on integers with constant divisor + arguments 1 and -1 are optimized away. * bug fix: deadlock detection could report the same deadlock twice, for two different threads. Now a single deadlock is reported exactly once. * bug fix: interval-arithmetic division during type derivation did not @@ -162,6 +227,7 @@ changes in sbcl-1.0.55 relative to sbcl-1.0.54: forms of MAKE-ARRAY with dynamic-extent. (lp#902351) * bug fix: some of the compile-time side-effects of DEFCLASS were not caught by package locks. + * bug fix: Proper handling of --dynamic-space-size option on 32 bit platforms. changes in sbcl-1.0.54 relative to sbcl-1.0.53: * minor incompatible changes: