2015-10-07 Richard Frith-Macdonald  <rfm@gnu.org>

	* GSFIFO.m: Add method for writing a whole block of data to a FIFO
	in one go.

2015-07-29 Richard Frith-Macdonald  <rfm@gnu.org>

	* GSLinkedList.h:
	* GSLinkedList.m:
	Add GSLinkedStore for a list which controls its own links and stores
	unused links to avoid having to create/destroy link objects
	repeatedly.

2015-07-17 Niels Grewe <niels.grewe@halbordnung.de>

	* GSFIFO.m: Implement methods that allow waiting on an empty
	FIFO for an arbitrary period of time, without raising an
	exception.

2015-07-16 Niels Grewe <niels.grewe@halbordnung.de>

	* GSFIFO.m: Implement -sizeInBytesExcluding:

2015-07-15 Richard Frith-Macdonald  <rfm@gnu.org>

	* GSCache.m: Experimental change (use in conjunction with gnustep-base
	from svn 38799) to put object memory footprint interrogation into the
	base library and make it more accurate and efficient.

2015-05-05 Niels Grewe <niels.grewe@halbordnung.de>

	* GSFIFO.m: Fix a potential race condition in -peekObject.

2015-05-05 Niels Grewe <niels.grewe@halbordnung.de>

	* GSFIFO.[hm]: Add methods to peek at the top/front object in the
	FIFO without removing it.

2015-04-28 Niels Grewe <niels.grewe@halbordnung.de>

	* GSFIFO.m: Use -autorelease rather than -release when returning
	objects from a FIFO. Fixes a bug where a returned reference would
	already be invalid because the FIFO was the last owner of the object.

2015-01-09 Richard Frith-Macdonald  <rfm@gnu.org>

	* GSFIFO.[hm]: add methods for working with objects and handling
	retain/release to treat a FIFO as a container.

2014-11-12 Riccardo Mottola <rm@gnu.org>

	* GSThreadPool.m
	* GSSkipMutableArray.m
	* GSCache.m
	Import inttypes.h for pointer formatting

2014-11-12 Riccardo Mottola <rm@gnu.org>

	* GSThreadPool.h
	Forward-declare NSRecursiveLock, not NSLock

2014-07-11  Yavor Doganov  <yavor@gnu.org>

	* GNUmakefile (LIBRARIES_DEPEND_UPON): Define.

2014-04-26 Richard Frith-Macdonald  <rfm@gnu.org>

	* GSUniqued.h:
	* GSUniqued.m:
	* Performance.h:
	* GNUmakefile:
	New code to implement uniqued copies of objects for lowered memory
	footprint and faster collection lookups.

2013-11-05 Niels Grewe <niels.grewe@halbordnung.de>

	* GSFIFO.m: Fix calculation of the timeout for cooperating
	get/put.

2013-08-21 Richard Frith-Macdonald  <rfm@gnu.org>

	* GSFIFO.m: 64bit printf format changes
	* GSSkipMutableArray.m: 64bit printf format changes
	* GSCache.m: Fix mime size calculations for nonfragile abi.
	Change API to use NSUInteger for sizes
	* GNUmakefile: bump version fro new release

2013-06-25 Richard Frith-Macdonald  <rfm@gnu.org>

        * GNUmakefile: bump subminor version 
	* GSIOThreadPool.h:
	* GSIOThreadPool.m:
        Add default for initialisation of shared pool, fix bug in setting
        new thread and add code for shrinking the pool size (previously
        setting it smaller did not actually cause old threads to exit).

2013-02-07 Sebastian Reitenbach <sebastia@l00-bugdead-prods.de>

	* GSThreadPool.h, GSCache.m
	  shutup clang warnings

2013-02-03 Richard Frith-Macdonald  <rfm@gnu.org>

	* GSTicker.m: Retain timer so that we can safely invalidate it even
	on thread exit when the runloop of the current thread may have been
	deallocated already.

2012-01-11 Niels Grewe <niels.grewe@halbordnung.de>

	* GSSkipMutableArray.m: Change -initWithObjects:count: declaration
	to match the superclass one in gnustep-base trunk.

2011-10-25 Richard Frith-Macdonald  <rfm@gnu.org>

	* GSFIFO.h:
	* GSFIFO.m:
	Add new method to create a named FIFO and configure it from the
	defaults system.
	* GNUmakefile: bump version to 0.3.2

2011-08-29 Richard Frith-Macdonald  <rfm@gnu.org>

	* GSCache.m: Try to fool clang/llvm to avoid useless warning/error.

2011-08-24 Richard Frith-Macdonald  <rfm@gnu.org>

	* GSFIFO.h:
	* GSFIFO.m:
	Use NSCondition to support multiple producer/consumer on FIFO.
	
2011-06-11 Richard Frith-Macdonald  <rfm@gnu.org>

	* GSFIFO.h:
	* GSFIFO.m:
	Add the ability to monitor statistics on how long the FIFO blocks
	on put and get operations.
	Add methods to get/put multiple items.
	Add method to get stats for all FIFOs.

2011-06-06 Richard Frith-Macdonald  <rfm@gnu.org>

	* GSCache.h:
	* GSCache.m:
	Add a new method to let the delegate know when a cache hit has
	occurred on an item which is nearning the end of its lifetime ...
	providing an opportunity for the delegate to refresh the cache
	before the actual expiry.
	Also fix minor memory leak.

2011-06-05 Richard Frith-Macdonald  <rfm@gnu.org>

	* GSFIFO.h:
	* GSFIFO.m:
	Use condition locks so that, if we have locking for both addition
	and removal, we can signal threads waiting at the other end.

2011-06-03 Richard Frith-Macdonald  <rfm@gnu.org>

	* GSTicker.m: Thread safety fixes ... make date storage volatile and
	ensure that only one thread gets to set the base timestamp.

2011-06-02 Richard Frith-Macdonald  <rfm@gnu.org>

	* GSFIFO.h:
	* GSFIFO.m:
	Make FIFO items be void* rather than id since we never send them
	any messages anyway.

2011-05-19 Richard Frith-Macdonald  <rfm@gnu.org>

	* GNUmakefile: Add FIFO
	* Performance.h: Add FIFO
	* GSFIFO.h: Add a FIFO class
	* GSFIFO.m: Add a FIFO class

2011-03-08 Richard Frith-Macdonald  <rfm@gnu.org>

	* GNUmakefile: Bump version number for next release.

2010-11-11 Riccardo Mottola

	* GSCache.m
	use always class_getInstanceSize() on GNUSTEP for all runtimes
	and define a compatibility macro for old macs

	* GSThreadPool.h
	* GSLinkedList.h
	* GSThreadPool.m
	* GSSkipMutableArray.m
	* GSIOThreadPool.h
	* GSIOThreadPool.m
	Complete includes and use typedef instead of #define
	
2010-11-11 Richard Frith-Macdonald  <rfm@gnu.org>

	* GSCache.m: Try to get defines right to get instance size depending
	on the runtime in use.

2010-11-10 Riccardo Mottola

	* GSLinkedList.h
	* GSSkipMutableArray.m
	* GSIOThreadPool.h
	Mac 10.4 compatibility definitions

2010-10-01 Richard Frith-Macdonald  <rfm@gnu.org>

	* GSIOThreadPool.h:
	* GSIOThreadPool.m:
	Add new methed class for pooling threads to handle I/O and timers.

2010-09-30 Richard Frith-Macdonald  <rfm@gnu.org>

	* GSThreadPool.h:
	* GSThreadPool.m:
	Add new methed to return a shared pool.

2010-09-29 Richard Frith-Macdonald  <rfm@gnu.org>

	* GSLinkedList.h:
	* GSLinkedList.m:
	Revise structure and API for greater flexibility.
	* GSThreadPool.h:
	* GSThreadPool.m:
	Modify for new linked list api.

2010-09-23 Richard Frith-Macdonald  <rfm@gnu.org>

	* performance/GSThreadPool.h:
	* performance/GSThreadPool.m:
	Track count of active threads and count of number of methods
	performed in the thread pool.  Display via -description.

2010-09-22 Richard Frith-Macdonald  <rfm@gnu.org>

	* GSLinkedList.h:
	* GSLinkedList.m: Simple doubly linked list implementation
	* GSThreadPool.h:
	* GSThreadPool.m: Lightweight thread pool implementation
	* Performance.h: Include new headers
	* GNUmakefile: Build/install new source
	Add classes for a simple linked list and for a lightweight thread 
	pool for rapid handoff of operations to other threads.

2008-12-12 Richard Frith-Macdonald  <rfm@gnu.org>

	* GSSkipMutableArray.m: Fix uninitialised variable.

2008-05-30 Richard Frith-Macdonald  <rfm@gnu.org>

	* GSThroughput.h:
	* GSThroughput.m:
	Add support for sending a notification of stats for the last minute
	so that rates by the minute can be logged.

2008-02-21 Richard Frith-Macdonald  <rfm@gnu.org>

	* GSCache.h:
	* GSCache.m:
	Improve handling of case when delegate asks for an item to be kept...
	changes the delegat callback methoid to include lifetime information.
	Make the cache thread-safe.

2008-01-31 Richard Frith-Macdonald  <rfm@gnu.org>

	* GSCache.h:
	* GSCache.m:
	Make cache keys 'id' rather than 'NSString*' as they can actually be
	any copyable object.

2007-12-08 Richard Frith-Macdonald  <rfm@gnu.org>

	* GNUmakefile: bump subminor version for release
	* GSThroughput.m: ([-description]) output information for periods
	from last cycle as well as current cycle.

2007-09-14 Richard Frith-Macdonald  <rfm@gnu.org>

	Update to LGPL3

2007-05-30  Richard Frith-Macdonald  <rfm@gnu.org>

	* GSTicker.m: Ensure tick is current before calling -newSecond:

2007-04-01  Richard Frith-Macdonald  <rfm@gnu.org>

	* GSCache.m:
	* GSThroughput.m:
	* GSSkipMutableArray.m:
	* GSTicker.m:
	Changes to avoid compiler warnings on MacOS-X
	Improvements to calculations for size of instances for cache.

2006-11-11  Matt Rice <ratmice@gmail.com>

	* GSMutableSkipArray.m: Fix bug when deallocating an empty list.

2006-11-11  Richard Frith-Macdonald  <rfm@gnu.org>

	* GSThroughput.h: New ([add:duration:]) method.
	* GSThroughput.m: Method to add multiple events with a total
	duration (eg where recording individual event times has too
	high an overhead).

2006-11-09  Richard Frith-Macdonald  <rfm@gnu.org>

	* GNUmakefile: update version
	* GSThroughput.m: Allow use to keep running totals of stats

2006-09-27  Richard Frith-Macdonald  <rfm@gnu.org>

	* GNUmakefile:
	* GSIndexedSkipList.m:
	* GSSkipMutableArray.h:
	* GSSkipMutableArray.m:
	Minor fix to (hopefully) build on windows.
	Hide implementation details.
	Add convenience method (to create skiplist) to NSMutableArray.
	Some reformatting for coding standards.
	* Performance.h: Ad new header for skip lists.

2006-09-27  Matt Rice <ratmice@yahoo.com>
	
	* GSSkipMutableArray.[hm]: New NSMutableArray subclass. 
	* GSIndexedSkipList.[hm]: Underlying C implementation.

2006-06-07 Richard Frith-Macdonald  <rfm@gnu.org>

	* GSCache.h:
	* GSCache.m:
	New convenience method to cache an item until a date.

2006-01-11  Nicola Pero <nicola@brainstorm.co.uk>

	* GNUmakefile.wrapper.objc.preamble: New file that fixes the
	"/usr/bin/ld: cannot find -lPerformance" error when linking Java
	wrappers.

2005-10-28 Richard Frith-Macdonald  <rfm@gnu.org>

	New Performance library (0.1) 
