ChangeLog

ChangeLog 'Dimemas package'

Structure

Date - user - Tool(Simulator | GUI | prv2dim | trf2dim | Other)

	FEATURES: explanation of new features 
	BUGFIX: explanation of bug solved 
	CHANGES: explanation of codification changes 

2019 / 10 / 23 - Chetan - All
	BUGFIX:		MPI_Alltoallw was mismatched which leads to change of message size during the 
				simulation is now fixed.

2019 / 08 / 29 - Chetan - All
	CHANGE:		prv2dim were not able to put burst time for the threads which are started with
				time 0.0.
	BUGFIX:		Unknown events with type 9,10,11.. 14 are appearing in the simulated trace file
				which are made optional unless they are present in the original trace they don't
				need to appear on the simulated one.

2019 / 06 / 27 - Chetan - All
	CHANGE:		New MPi call MPI_Alltoallw is added.
	BUGFIX:		Multi node mapping defined in multiple line wasn't recognized during the 
				simulation which allow us to define distinct node configuration in same machine.
				During --help, --v options and when we are not generating the simulated trace 
				file the status given by the system was 1 which is also fixed.

2019 / 03 / 29 - Chetan - Simulator 
	CHANGE:     The default option to generate the simulated trace file -p is changed to
				optional from obligatory.
				--dim flag also made optional if there exist a trace file description in the
				configuration file.

2019 / 03 / 1 - Chetan - All
	CHANGE:		5.4.1 version released.

2019 / 02 / 21 - Chetan - All 
	BUGFIX: 	Identifiers for the cpu and node during the generation of the row file is
				modified in order to get same numbering like in original trace file.
				Ideal configuration files (.cfg) is added in dimemas packet for user convenient.

2019 / 01 / 25 - Chetan - All 
	CHANGE: 	MPI_(Mrecv/Imrecv/Mprove/Improve) new mpi calls is added in the simulation 

2018 / 08 / 31 - Chetan - Simulator
	BUGFIX: 	Distinguish between cpu and gpu during the generation of the row file and 
				also the machine name is added to Distinguish CPUs and nodes.

2018 / 08 / 29 - Chetan - All
	CHANGE:		5.4.0 version released.

2018 / 08 / 08 - jmartine - Simulator
	CHANGE: 	Now the paraver ROW file is generated taking in account the hierarchy 
				and mapping of tasks.

2018 / 08 / 06 - jmartine - Simulator
	BUGFIX: 	Dedicated connection entity was fixed and added debug information for 
				links management and some connection messages management are fixed.

2018 / 08 / 03 - jmartine - Simulator
	BUGFIX: 	Dedicated connection record is fixed and task mapping when manual 
				mapping is provided is fixed.

2018 / 06 / 13 - jmartine - All
	CHANGE: 	Speedup the task initialization by traverse trace file just once instead
				of for every task in order to get the first record time and removed 
				unnecesary warnings.
				
2018 / 06 / 12 - jmartine - Simulator
	CHANGE: 	Injected special events to dimemas trace that informs dimemas about idle 
				blocks eliminated. Simulated trace is not translating idle state as running
				and null pointers are checkd before free current_state.

2018 / 06 / 12 - ckc - prv2dim
	BUGFIX: 	Fix of flag -n during the conversion of trace file from .prv to .dim 
				prv2dim which Will eliminate the first ideal state.

2018 / 05 / 30 - gllort - All
	CHANGE: 	Sets default compilers to GNU toolchain

2017 / 11 / 13 - jmartine - All
	CHANGE:		5.3.4 version released.

2017 / 11 / 10 - jmartine - Simulator
	BUGFIX:		Fixed bug in resources free when working with more than one
				machine.

2017 / 10 / 30 - jmartine - Simulator
	FEATURE:	Now additional thread can be waked up for reading input trace.
				It can achieve better speedups with long traces. There are two
				flags available for govern this feature. --asynch-read for 
				activate it and --asynch-max-buffer that sets the maximum size
				of the read buffer (10MB by default).

2017 / 10 / 19 - jmartine - prv2dim
	BUGFIX:		File descriptors management was broken, so an error arise when 
				dealing with >1024 tasks.

2017 / 08 / 22 - ckc - Simulator
	BUGFIX:		kernel (GPU) process mapping has been fixed. There were 
				situations where kernel processes were progressing in 
				conventional CPUs. Now pure GPUs objects has been created and
				kernel processes can not be preempted from there.

2017 / 08 / 14 - Other
	FEATURE:	Update_CFG and trf2dim has been removed from the package.

2017 / 08 / 14 - jmartine - prv2dim | Simulator
	FEATURE:	New parameters parsing. It maintains the same parameters like
				before but now positional arguments can also be used in the
				standard manner (-x < >, --x-xxx=< >). prv2dim -b argument has 
				been changed by -b for type and -f for factor.

2017 / 01 / 31 - jmartine - prv2dim | Simulator
	FEATURE:	Added to the dimemas model the Non-Blocking Collectives
				introduced by MPI-3. Now prv2dim can deal with this new calls
				so the records for the collectives operations has been
				changed.
				The model applied to these collectives is the same model that 
				is applied for the normal collectives but the difference is
				that this new ones will be performed in background. Since
				there is no enough information for the moment, the collective
				- Wait matching is doing by mean of FIFO queues.

2016 / 11 / 23 - jmartine - prv2dim
	FEATURE:	Added -t --test-miss-rate argument to prv2dim in order to deal
				with those regions with high density of MPI_Test miss. 
				The mechanism is the like with --iproble-miss-rate.

2016 / 08 / 13 - gmoren1 - All - 5.2 .13 
	FEATURES:	GUI now can set, load and save accelerator parameters in the 
				node configuration panel.prv2dim now can translate CUDA and
				OpenCL events, comms and barriers.If gpu information is found 
				in.row,more than one thread(host and kernel) are going to be 
				translated in the output trace.
				Also, accelerator tasks information is written at the end of 
				the header of the Dimemas trace to offer it to Dimemas for
				the mapping. GPU_burst is a new record defined to simulate 
				the GPU execution burst with the GPU speed ratio of the accelerator
				node. Accelerator barriers are defined with the global_op_id 
				parameter set in negative values:-1 is with a synch with all
				threads, -2 with the thread 0, -3 with the thread 1... and so. 
				Dimemas now can simulate accelerator threads(CUDA and OpenCL)
				and do the mapping between the defined accelerator 
				nodes(in the cfg with a new record "accelerator node information")
				and the accelerator tasks(defined in the header of Dimemas trace). 
				This mapping can be defined in the cfg or randomly assigned, 
				always ensuring accelerator tasks in accelerator nodes.

2016/07/01 - jmartine - GUI
	CHANGES:	Now, the DIMEMAS_HOME path is set automatically.

2016/06/10 - jmartine - Simulator
	FEATURES:	New feature that deal with the deadlocks that can be 
				generated because a bad cut of a trace. The
				deadlocks can be detected and deleted by mean of an
				exaustive analysis of the communications. This
				feature can be activated with the new flag
				--clean-deadlocks <until-trace-progression>.

2015/03/03 - jgonzale - All - 5.2.12
	CHANGES:	5.2.12 Release!!

2015/02/17 - jgonzale - Dimemas
	CHANGES:	Setting input and output links to 0 (memory and	network)
				will be simulated as having infinite links

2015/02/09 - jgonzale - Other
	CHANGES:	Added a check in 'configure.ac.template' to ensure that 
				C/C++ compilers are installed in the system

2015/02/06 - jgonzale - Simulador
	CHANGES:	Added missing 'main.cpp' file

	CHANGES:	Added all missing files from 'common_utilities' directory

2015/01/20 - jgonzale - prv2dim - 5.2.11
	BUGFIX:		Solved bug in the translation 'InBlockComparison' that
				caused different translated traces due to a random comparison
				results. Now, when most fields of two Paraver Records are the
				same, the comparison takes into account the trace order.

2015/01/15 - jgonzale - GUI
	BUGFIX:		Solved a bug that created multiple mapping warning
				messages when doing a bulk modificacion of 'Target Machine'
				nodes ('Do all the same' button on the 'NodeWindow.java').
				Now, when pressing this button, the correctness of the application
				mapping is checked when all modifications have taken place.

2015/01/08 - jgonzale - GUI
	BUGFIX:		Major compilation problems solved. Previous distribution 
				failed ('jar' file did not include the 'es/bsc/...' directory).
				Now, the compilation system also generates the 'Version.java'
				file and the 'updateAndCheck...' from the 'Makefile.am' of
				the GUI works properly.

	CHANGES:	New About Window in the GUI


2015/01/07 - jgonzale - All - 5.2.10
	CHANGES:	5.2.10 Release!

2015/01/07 - jgonzale - GUI

	CHANGES:	Added support to get a configuration file name as a command
				line parameter and also to print on the standard output the
				configuration file name saved.

				This changes are useful to ease the Paraver integration, as the
				communication between the two interfaces get clarified.

				NOTE: in some cases, the compilation still files due to the
				classpath (where is mixed the Apache Commons IO JAR and the
				pure source of the GUI).

2014/12/30 - jgonzale - GUI
	CHANGES:	Complete restructuration of GUI directory. Now, it includes
				a NetBeans project definition and it follows the classic code
				distribution of Java applications (es.bsc.cepbatools.dimemas 
				packages in the corresponding directories.

				In addition, the manifest file to create the 'jar' is created
				dynamically, and the build is more robust (avoid the fata 'sleep
				5' from previous implementation.

2014/12/30 - jgonzale - prv2dim
	BUGFIX:		Solved a bug when translating Paraver traces with MPI_Iprobe
				events and cluster events that caused a bad generation of the
				CPU bursts duration. Solved by changing the 'OutBlockComparison'
				not to preserve the original events sorting (the last revsion),
				but pushing the MPI_Iprobe related events (duration and number
				of probes) before the cluster events.

	BUGFIX:		Probably the trace use to solved the previous problem (a
				Linpack execution in ARM from Nikola) was clustered using a 
				previous version of the clustering tool, because it generates an
				excess of clusters' burst closing events. The translator did
				not translate correctly these events, as it manages the cluster
				events to detect the old blocks. NOTE: This block management should 
				be changed (erased!).

2014/12/19 - jgonzale - prv2dim
	CHANGES:	Added support for 'cyclic simulations', i.e. simulations of
				Paraver traces that were previously simulated. So far, we
				use a fixed events (from 9 to 14, SHOULD BE CHANGED!) to indicate
				the different communication endpoints in the first translation 
				(original Paraver trace). Following translations will use this
				events to generate the endpoints, instead of regular communications.
			
				TO CHECK: in following translations, the detection of 'this is
				a Paraver trace generated by Dimemas' is done when we detect the
				first 'special event'. That shouldn't be done like this (a regular
				communication may appear before an event, and crash the translation).
				A good approach will be using the 'TraceMetadata', and indicate in
				the Paraver trace that it was generated using Dimemas!!

2014/11/04 - jgonzale - Simulator
	BUGFIX:		Solved a bug when checking the inter-machine flight times.
				Changed all references to 'machine->id' to 'machine->id-1'.

	CHANGES:	Erase the 'Vladimir' panic when recomputing the external
				network bandwidth. Now it is not used, but the simulation
				works.

2014/11/04 - jgonzale - prv2dim
	BUGFIX:		Solved an wrong error message in the translator when none
				of the MPI ranks execute the MPI_Init


2014/10/16 - jgonzale - GUI
	BUGFIX:		Solved the bug that prevente the selection of directorios
				with dots in the name. I added the Apache 'commons-io' to
				easily extract file extensions.

	CHANGES:	Modified the packaging of the GUI, now the .jar, plus the
				'commons-io' jar are installed in $DIMEMAS_HOME/lib/GUI.

	CHANGES:	Added the first version of the new BSC tools icons :)

2014/10/16 - jgonzale - prv2dim
	BUGFIX:		Fixed a regression introduced in 5.2.9 when parsing '-b'
				parameter. It was located at 'bsc_utils.cpp'

2014/10/01 - jgonzale - prv2dim - 5.2.9
	CHANGES:	Release 5.2.9

	BUGFIX: 	Wrong initialization order in the ParverTraceParser caused
				that '-O3' optimization crashed with a segmentation fault.

	BUGFIX:		Added the '#include <sys/types.h>' in 
				'ApplicationDescription.hpp' and 'ParaverTraceParser.hpp'.
				When missing, the compilation failed in latest Linux 
				distributions.

2014/09/10 - jgonzale - Simulator
	BUGFIX:		Added rounding correction when translating times from
				the Dimemas core ('dimemas_timer' -> 'double') to Paraver
				trace ('prv_time_t' -> 'unsiged long long').

				*NOTE: This precission adjustements should be corrected all
				accross the simulator core, as the PRINT_TIMER macro does
				truncate the 'dimemas_timer' it receives.

				May have sense to work with integer in the simulator core?*

2014/09/05 - jgonzale - Simulator | prv2dim - 5.2.8
	BUGFIX:		The management of parameter '--lat' was incorrect when
				using the new configuration files

	CHANGES:	Added a barrier synchronization primitive inside each
				'MPI_Init' call when translating it. Also added the
				parameter '-s' in the translator to avoid the generation
				of this synchronization point.

	CHANGES:	Added the 'ezOptionsParser' header to manage the parameters
				in 'prv2dim'. It is an easy solution to deal with 
				positional parameters and flags, but does not check the
				types at all. It is planned to add it to the rest of the
				package.

	CHANGES:	Added the 'bsc_utils' to check if a string or char pointer
				codifies a double or a long int, and the corresponding
				translators. This class could be extended. Other option is
				to use the C++11 'strtod' and similars.

2014/07/31 - jgonzale - All - 5.2.7
	CHANGES:	Release 5.2.7

2014/07/31 - jgonzale - GUI
	CHANGES:	Cosmetic changes in 'records_definition.txt' file, that
				contains the header of the configuration files generated
				by the GUI

2014/07/31 - jgonzale - prv2dim
	BUGFIX:		Changed the order of the ApplicationList parsing, to
				correctly capture the number of communicators

2014/07/31 - jgonzale - Simulator
	BUGFIX:		Check the existence of the nodes when creating and
				allocating tasks

	CHANGES:	Added a 'printf' wrapper named 'info' that checks the
				verbosity level of the simulator when printing the
				information 

	CHANGES:	Changed the different numbers on 'exit' calls to 
				'EXIT_FAILURE'. NOTE: in the 'venusclient.cc' it used a
				exit value of 100, this change may cause a interconnection
				issue.

	CHANGES:	The 'thread_state' structure and source files and references
				in different structures has been eliminated. This struct
				was never used. Will be deprecated in future cleanings

2014/06/03 - jgonzale - Simulator
	BUGFIX:		Bug in the allocation of the Machine Flight times (single
				malloc changed to loop of mallocs in file 'simulator.c')

2014/05/28 - jgonzale - All - 5.2.6
	CHANGES:	Release 5.2.6

2014/05/26 - jgonzale - Simulator
	CHANGES:	When a thread finishes with pending messages to send or
				receive, the IDLE state is only written if it is an
				actual thread ('original_thread')

	CHANGES: 	Now, if there is an existing ROW file, it is copied with
				the same output trace prefix

2014/05/12 - jgonzale - prv2dim
	CHANGES: 	If first cluster is imbalanced, no error is shown
	
	CHANGES:	Added macro 'SHOW_PERCENTAGE_PROGRESS'

2014/03/27 - jgonzale - All - 5.2.5
	CHANGES:	Release 5.2.5

2014/03/20 - jgonzale - Simulator
	BUGFIX:		Solved an incorrect location of 'logical_receives' when
				multiple IRecv operations were executed. Now, a queue
				named 'irecv_executed' (in t_task/t_thread structure) is 
				used to indicate the Wait operations the time the IRecvs
				took place.

2014/03/20 - jgonzale - prv2dim
	FEATURES:	MPI_Start/MPI_Startall primitives translate their contents
				as IRecv or Send requests.

2014/03/18 - jgonzale - All
	CHANGES:	Clean of most C/C++ compilation warnings. Not in the GUI

2014/03/17 - jgonzale - prv2dim
	BUGFIX:		Record comparison inside 'TranslatorRecord.hpp' has been
				leveraged when comparing two Events. Now, the trace sort is
				preserved. Solved bug #67. NOTE: its has been checked with 4
				traces producing appart from the bug example, but it could
				cause a regression.

2014/03/10 - jgonzale - Simulator
	FEATURES:	First addition of Karthikeyan's EEE model. Not tested yet, but
				no regressions observed

	BUGFIX:		Node speed factor is now applied to balanced modules duration

2014/02/26 - jgonzale - Simulator
	BUGFIX:		Bug when detecting the number of opened files. Changed 'fstat'
				to 'fcntl'

	BUGFIX:		Bug when re-positioning the input trace, on 32-bit linux

2014/02/26 - jgonzale - prv2dim

	BUGFIX:		Changes in the way the communications are sorted

2014/02/17 - jgonzale - Simulator | prv2dim - 5.2.4	
	BUGFIX:		Bug when generating Paraver trace, communicators numbering
				do not need +1 offset

	FEATURES:	When translating  Paraver traces generated by Dimemas, the
				Wait synchronizations may appear inside Send primitives

2014/02/10 - jgonzale - Simulator - 5.2.3
	BUGFIX:		Error when reading external dimemas collectives file

2014/02/05 - jgonzale - Simulator | GUI - 5.2.2
	BUGFIX:		Modules balancing and ratio where wrongly captured in the
				new configuration parsing

	BUGFIX:		Modules definition in the GUI where sorted randomly

2014/02/04 - jgonzale - GUI - 5.2.1
	BUGFIX:		Bug when saving a 'n tasks per node' mapping without 
				pressing ENTER in the text field

	BUGFIX:		Bug when distributing GUI resource files in the 'Makefile.am'

2014/01/28 - jgonzale - Simulator - 5.2.0 (corrected)
	BUGFIX:		Bug when parsing a 'predefined map info' that includes a
				trace

2014/01/27 - jgonzale - Simulator | GUI - 5.2.0 (corrected)
	BUGFIX:		Added 'trims' when reading configuration files in the GUI
				to solve bug #30

	BUGFIX:		Correct defition of the 'IO_fseek' in the dimemas header

	BUGFIX:		Correct creation of output PCF name when output Paraver
				trace name does not have any extension, or the extension
				is different from '.prv'.

	CHANGES:	Changed 'INCLUDES' per 'AM_CPPFLAGS' in the different
				'Makefile.am' files

	BUGFIX:		Latency times were not adjusted when reading new 
				configuration records (multiply the written value per 1e9).

				In addition, 'inter_node' latencies where wrongly used when
				initializing the nodes


	FEATURES:	If the latency is smaller than 1ns, it is discarded when
				executing a communication. This avoids potential problem of
				overlapped states in Paraver

2014/01/24 - jgonzale - Simulator | GUI - 5.2.0
	FEATURES: 	New parameters: '--dim <input_trace>' set a external trace
								'--ppn <tasks_per_node>' predefined mapping
								'--fill' predefined mapping
								'--interlvd' predefined mapping
								'--bw <bandwidth>' inter-node bandwidth
								'--lat <latency>' inter-node latency

	FEATURES:	Support for new configuration files with two new record types
				'multine node information', to collapse the definition of 
				multiple nodes with same configuration, and 'predefined map
				information', to map tasks to nodes without expressing 
				directly the task mapping array. In addition, traces are now
				not required to be written in the configuration file, so
				the simulator execution is more flexible (focusing a better
				integration with Paraver)

2013/10/18 - jgonzale - Simulator - 5.1.2
	BUGFIX:		Bug #38 related to offsets location was not completely 
				solved. Final solution

2013/10/16 - jgonzale - Simulator - 5.1.1
	BUGFIX:		Solved a bug when locating the offsets in a trace without
				offset information (#38)

2013/10/02 - jgonzale - prv2dim | trf2dim | Other
	CHANGES:	Merged the trf2dim and trf2trf from Vladimir. Including some
				'common_utilities' files


2013/04/30 - jgonzale - prv2dim - 5.1.0
	FEATURES:	The translator also copies the '.row' file if available.

2013/04/29 - jgonzale - Simulator - 5.1.0
	FEATURES:	Added back support for v4 CFG files. Simulator sets 
				mem_buses = # processors and 1 half duplex intra-node link
				when using v4 configuration files.

	CHANGES:	When copying the output PCF, all information befor the event
				types are embedded, using the Dimemas default states
				

2013/03/28 - jgonzale - GUI - 5.0.0
	BUGFIX		Wrong order in 'Node information' labels

2013/03/28 - jgonzale - Simulator
	BUGFIX:		Correction in scape characters of 'DimemasUpdateCFG'

2013/03/28 - jgonzale - Simulator | GUI | prv2dim - 5.0.0
	FEATURES:	Added intra-node contention simulation. This contention
				is modelled in the same way as the intra-node contention,
				using # of buses, # of input links and # of output links.
				It requires adding these three parameters to the configuration
				file ('node information' has changed), the GUI and also
				the DimemasUpdateCFG, to translate old CFG files no the
				newer version.

				Due to the introduction of these new feature and the
				modificacion of the configuration file, the major version
				has been increased.

	BUGFIX:		'prv2dim' did not translate the MPI_Rsend primitives. Now
				they are translated as regular MPI_Send.
				

2013/03/07 - jgonzale - Simulator
	CHANGES:	New way to compute the collective FANs, taking into
				account the number of partners at different stages:
					- Number of tasks per node
					- Number of nodes per machine
					- Number of machines in WAN
	
	CHANGES:	LIN model now applies P = num_partners-1 (as the total
				number of messages interchanged)
	
	BUGFIX:		Solved a bug when loading the collectives fine tuning
				using an external file. It loaded the values mixing the
				internal network and the WAN.

2013/02/26 - jgonzale - prv2dim - 4.4.1pre
	BUGFIX:		Solved a bug when reading blank lines of a trace with
				CRLF line terminators

	FEATURES:	Added a warning when wrong records (TaskIds out of bounds
				found in the trace

2013/02/21 - jgonzale - Simulator
	BUGFIX:		Add missing include of 'list.h' to 'simulator.c' file that
				caused a segmentation fault in linux-ia64 machines.

2013/02/21 - jgonzale - Simulator
	BUGFIX:		Add missing information about collective communications ids
				to the 'extern_comm_model.h' header file

2013/02/20 - jgonzale - Simulator - 4.4.0
	FEATURES:	Backport of the 'lib_extern_model' support to compute some
				communications parameters externally to the simulator core.

2013/01/31 - jgonzale - GUI - 4.3.7
	CHANGES:	Added execution permission for all users to the 'DimemasGUI'
				script

2013/01/31 - jgonzale - prv2dim - 4.3.7
	CHANGES:	Changed the message of the translator when detecting
				non-deterministic MPI primitives in the translation

2013/01/30 - jgonzale - GUI
	BUGFIX:		Solved a problem when using 'chunked mapping'. Now each
				node is saturated in terms of its number of processors and
				the processes that not fall in any node, are mapped to
				the last node

2013/01/03 - jgonzale - prv2dim - 4.3.6
	BUGFIX:		MPI_Test[*] primitives are translated as communication
				wait records

2013/01/02 - jgonzale - Simulator | GUI
	BUGFIX:		Dimemas[GUI] not robust against ':' in trace name

2012/12/17 - jgonzale - Simulator - 4.3.5
	BUGFIX:		Collective operations compute the inter-node 'fans' when
				just one node involved

	BUGFIX:		Event type/values are now managed using 'unsigned long long'
				variables

	FEATURES:	Added 'TODO' file

2012/12/13 - jgonzale - Simulator - 4.3.4
	CHANGES:	Added the PID to Paraver temporal files to allow multiple
				simultaneos executions.

	CHANGES:	Increased the bison stack size.

2012/12/03 - jgonzale - Simulator - 4.3.3
	BUGFIX:		TASK_end / PARAVER_end order reversed. On file_data_access
				total number of file pointers reserved minus 2, so as to 
				guarantee the availability to the Paraver trace generator.

2012/12/03 - jgonzale - Simulator - 4.3.2
	BUGFIX:		TASK_end was called after PARAVER_end causing a resource lock
				regarding the total number of files opened.

2012/11/23 - jgonzale - Other
	CHANGES: 	Version update to '4.3.1'

	CHANGES:	Modifications to adapt to the build farm

2012/10/19 - jgonzale - Other
	CHANGES:	Version update to '4.3.0'

	CHANGES:	Minor cosmetic changes in the output

2012/10/19 - jgonzale - Other
	BUGFIX:		Solved a bug in the compilation system of the 'common_utilities'
				that prevent the Dimemas trace to create nanosecond traces.

2012/10/19 - jgonzale - Simulator
	CHANGES:	Using negative values in the 'modules information' field
				of the CFG file now indicated the simulator that all
				CPU bursts inside this module will change its duration to
				absoulte value of the number indicated. Required to
				perform 'forced balancing' simulations.

2012/10/10 - jgonzale - prv2dim
	CHANGES:	Removed a wrong information message in the
				'ParaverTraceParser'.

	CHANGES: 	Version updated to '4.2.2'.

2012/10/10 - jgonzale - Other
	BUGFIX:		Solved the missing definition 'DIMEMAS_NEW_TRACE' on
				'common_utilities' commodity library.	

	CHANGES:	Version updated to '4.2.1'.

	CHANGES:	Updated README file.

2012/10/09 - jgonzale - Simulator
	BUGFIX:		Solved a massive leak in 'file_data_access.c' when
				reading actions. 'op_fields' variable was never free'd
				causing a total memory waste (each trace line stay in
				memory during the whole execution)

	CHANGES:	'MALLOC_*' (in 'mallocame.h|c') never used anymore.
				All memory allocation now uses the pure standard
				'malloc/free' calls.

	CHANGES:	All 'common-files' dependencies are now inside the
				source code package. This is the first step in to rebuild
				an actual 'common-files' in the Performance Tools team.

	BUGFIX:		Almost all compilation 'warnings' cleaned.

2012/09/12 - jgonzale - GUI
	BUGFIX:		Corrected the binary path to call the simulator
				(Dimemas3->Dimemas).

2012/09/03 - vladimir - Simulator
	CHANGES:	Updates on the StarSs scheduler.

2012/09/03 - jgonzale - Other
	CHANGES:	Added a missing header (basic_types.h) and changed the
				building numbering system.

2012/07/31 - jgonzale - Other
	CHANGES:	Small change in the building system to guarantee the
				big file flags inclusion.

2012/07/12 - jgonzale - GUI

	CHANGES:	GUI script is now called 'DimemasGUI'. It is installation
				agnostic, and performs better checks for user-environment
				variables and JRE installation.

2012/07/11 - jgonzale - Other

	CHANGES:	'configure.ac.' moved to 'configure.ac.template' to keep
				track of the versioning easily.

2012/07/11 - jgonzale - trf2dim

	BUGFIX:		Offsets generation adapted to new trace format.

2012/07/11 - jgonzale - Other

	CHANGES:	Full integration of the simulator, GUI and translators in
				a single package to ease the tool distribution and maintenance.

	CHANGES:	Commit tagged as Version 4 of the tool, considering stability
				of the stability of HOPSA integration.

2012/07/05 - jgonzale - GUI
	
	CHANGES:	Deep modification of 'DimemasGUI' to correctly generate new
				CFGs files (using new block codification). It is still
				under validation.

2012/03/27 - jgonzale - prv2dim

	FEATURES:	changed 'iprobe' translation to indicate the iprobe threshold
				in a miliseconds 'rate' instead of absolute values

2012/03/23 - jgonzale - prv2dim

	BUGFIX:		solved a wrong header creation when less file descriptors than
				tasks to translate were available.
				
	CHANGES:	better distinction of wrong communication primitives inside
				wrong block (FEATURE of 2012/03/22). 

2012/03/22 - grodrigu - Simulator
	
	BUGFIX:		Solved a bug on parsing: when reading NOOPs offset location
				was not updated properly.

2012/03/22 - jgonzale - prv2dim

	FEATURES:	SVN numbering using 'configure.ac.template' and a modification
				on 'autogen.sh' that uses 'svnversion' application.

	FEATURES:	Added a check when communication primitives inside a MPI
				block does not correspond to the expected (for example a send
				primitive inside MPI_recv). A warning message is thrown.

				That solves a miss-translation bug discovered in Dalton
				caused by the time granularity of the Paraver trace.

2012/03/05 - jgonzale - Simulator
	
	CHANGES:	MALLOC_free_memory does not need size any more. Erased
				alternative implementation of memory allocation (pool based).

2012/02/28 - jgonzale - Other

	CHANGES:	Minimun integration

2012/02/21 - grodrigu - Simulator

	FEATURES:	Added support for application reloading

	BUGFIX:		Solved a bug when using 'off_t', 'size_t' and 'int' to
				index structures.

	BUGFIX:		Corrected spelling mistake in 'configure.ac'

	BUGFIX:		Solved a pattern matching when reading MPI communaction
				primitives and some pointer errors in 'file_data_access.c'

2012/02/03 - jgonzale - Simulator

	CHANGES:	Complete integration of all Dimemas versions. 

	CHANGES:	Total change of 'file_data_acces.c'. Now is uses 'getline'
				and 'sscanf' as basic ASCII parsing of DIM traces. It also
				performs a more sofisticated file descriptor sharing in
				conjunction with the new IO library (under the 'io' directory).
				Some primitives defined in the new trace description are not
				supported yet (One-Sided definitions and operations).

				The new IO library acts as a wrapper between the actual C
				'stdio.h' and the Dimemas code. The main feature is the
				ability to account the number of available file descriptors.
				This accounting is crucial for optimal file descriptor sharing.

	CHANGES:	Also present in the 2012/01/11 commit, but more extended, is
				the clear separation of simulator loading and the model
				itself. It is not perfect, but the files 'configuration.c|h'
				and 'comm_configuration.c|h') include the vast majority of
				'target machine' initialization. The schedulers initiliazation
				has not been moved to this location, due to its 'function
				pointers' design.

	CHANGES:	Paraver trace generation has been completely redesign. Now
				it produces a set of sorted temporal files for states and
				communications and a single sorted file for events. The final
				merge is an external merge sort (found via Wikipedia in:
				http://cis.stvincent.edu/html/tutorials/swd/extsort/extsort.html)
				with a fan in of 2. In this way, the required open files
				is reduced just to 3 (States&Comms. File, Events File, Output
				PRV tracefile). The memory usage is up to 3 times the size
				of the MAX_IN_FLIGHT_RECORDS (unfortunately, not in bytes),
				located in 'external_sort.h'. When producing the temporal 
				files it just used 1 buffer of this size. When merging it uses
				3 buffers. The number of states and comms. temporal files is
				also related to this value (by default: 10000).

				PCF file is copied from the first trace that appears in the
				configuration file. If not available, default PCF is generated.

	CHANGES:	Now the Dimemas core is *always in nanoseconds*. This is not
				a dramatic change in terms of configuration files, input
				traces, etc. (due they expressed in seconds). The output
				files are afected because the granularity of the timestamps
				is bigger (9 significant digits).

	CHANGES:	There are some (possible) regressions pending to be checked:

				- Application reloads
				- Performance messages (they work but need to manually add
				  'rt' library)
				- Multi-machine environment and multi-application environment
				(no traces available)
				- New modules management version on DimemasGUI not updated
	
	FEATURES: 	Added a simple binary called 'DimemasUpdateCFG' to CFGs with old 
				modules definition to new version.

2012/02/03 - jgonzale - prv2dim

	CHANGES:	Traces are generated *always* in nanoseconds granularity.

	FEATURES:	PCF file is copied from input trace. If it does not exists
				a default is generated.
	
	FEATURES:	Added CodeBlocks project

2012/01/11 - jgonzale

	CHANGES:	First commit with the merge of the Vladimir+German+Official
				versions. Now, the TRF trace is deprecated, and all improvements
				should be written on the DIM trace. In further commits, all
				code that manages the SDDF trace will be erased progresively
				adopting the DIM (Paraver style trace) codification of 
				equivalent semantics.

				There have been modifications by Vladimir in the original DIM
				trace, basically adding offsets for all threads of all tasks,
				sorting each task per thread and adding the thread field on
				the P2P communication primitives. This has to be documented.

				The current version supports the codification of CPU ratios
				using user events present on DIM trace. Paraver and Dimemas
				will use same event encoding, and Dimemas blocks are discontinued.

				Now it lacks support of generating PCF file, but it can be
				copied using the '-pc' parameter.

				Most part of the File IO simulation is not currently supported.
				It should be analyzed and ported.

	FEATURES:	It has been added the skeleton to implement the new scalable
				IO, as part of the HOPSA project. Every IO made by Dimemas
				should use the new interface to be implemented.

2012/01/05 - jgonzale - prv2dim

	CHANGES:	Major changes to generate the new DIM format accepted by
				the Dimemas merged from Vladimir (StarSs)/Official(MPI)
				versions
			
				Major changes in the trace file result from the P2P 
				communication primitives, which include the origin/destination
				thread. In MPI, this field takes the value '-1', but should
				be changed to keep the trace elegant.

				As a comment, it manipulates the MPI/Cluster/User blocks 
				in the old fashion, but generates user events using the
				Paraver encoding. We should evaluate dropping support
				to TRF files translation.

2011/10/24 - jgonzale - prv2dim

	CHANGES: 	Building system now builds both translators at the
				same time

	FEATURES:	Added support to translate 'User Functions' in the same
				way the Clusters are translated.

2011/07/14 - jgonzale - Other

	CHANGES:	MAJOR modifications in building system. Now, each big module
				of core code is compiled as a facility library. That was
				modified in previous update, but not added up to this one

2011/07/13 - jgonzale - Other

	CHANGES:	Minor cosmetic changes in building system

2011/03/22 - jgonzale - prv2dim

	CHANGES:	Translator only translates the first thread when
				tasks with multiple threads are found

	CHANGES:	Warning informative message when trace is disordered

	CHANGES:	Trace flushing outside an MPI are not translated as
				a running burst

2010/11/10 - jgonzale - prv2dim

	CHANGES:	Changes in version numbering (MAJOR.SVN_REVISION)

2010/10/29 - jgonzale - trf2dim

	CHANGES:	extensive cleaning of building system. Rename of all the
				package to 'trf2dim'. First open sourced

2010/10/28 - jgonzale - prv2dim

	BUGFIX:		'ParaverTraceParser.cpp +430'. Bad comparison. Thanks icpc!

	CHANGES:	Reestructuration of building system to guarantee the 
				correctness of 'make dist'. The tool can be now open
				sourced

2010/10/06 - jgonzale - trf2dim

	CHANGES:	added standard C headers

2010/09/09 - jgonzale - prv2dim

	BUGFIX:		MPI_Bsend is translated as a regular asynchronous send
				(THIS HAS TO BE CHECKED!)

2010/07/13 - jgonzale - Simulator

	BUGFIX:		Solved an error in the PCF generation, caused by the macro
				change. It generated 'null' event value names

2010/07/07 - jgonzale - prv2dim
	BUGFIX:		changes to correctly manage the root identifiers in
				collective operations.

2010/07/07 - jgonzale - Simulator

	BUGFIX:		Solved a *big* issue regarding to the use of communicators
				when simulating collective operations. The 'global OP' records
				generated by 'prv2dim' didn't express the actual root of an
				collective operation, just which thread is the root. Right
				now, this is taken into account in the simulation engine.

2010/05/11 - jgonzale - Simulator

	CHANGES:	Cluster blocks are now translated coherently when generating
				Paraver trace

2010/05/04 - jgonzale - Simulator

	CHANGES:	Increase value of 'BUFSIZE' and 'YYMAXDEPTH' to improve
				scalability. Should be revised

2010/05/04 - jgonzale - prv2dim

	BUGFIX:		solved an error when translating traces sharing file
				descriptor and generating old trace format

	CHANGES:	added more progress information

2010/03/19 - jgonzale - GUI

	CHANGES:    Only 'javac' is checked when looking for Java compilers

	BUGFIX:		Solved used of 'getenv' into the Dimemas GUI

2010/03/15 - jgonzale - GUI

	BUGFIX:		GUI is only compiled if Java Compiler is present. Previously it
				tried to compile it always.
	CHANGES:	Java m4 macros don't stop when no available compiler/VM/jar is
				found
	CHANGES:	Configure script no longer offers debug/optimization flags.
				User must provide this information using CFLAGS/CXXFLAGS.
	CHANGES:	Removed 'aclocal.m4' from the package distribution.

2010/03/10 - jgonzale - GUI

	CHANGES:	Minor changes on GUI

2010/03/09 - jgonzale - Simulator

	CHANGES:	Completed changes to integrate the Java GUI into the main
				Dimemas packaging. See DimemasGUI directory
	CHANGES:	Added 'm4' directories to add automake macros

2010/03/03 - jgonzale - Simulator

	BUGFIX:		Solved a small misuse when generating the distribution
				package
	CHANGES:	Minor cosmetic changes in 'README' file and elimination of
				very old configuration options

2010/02/15 - jgonzale - Simulator

	CHANGES:	Cleaning to free Dimemas code

2010/01/14 - jgonzale - prv2dim

	BUGFIX:		solved a bug which produced a segfault when sharing file
				descriptors

2009/10/14 - jgonzale - Simulator

	BUGFIX:		Solved a bug in 'transferencia' function, which did not
				return the total transfer time correctly. Right now, resources
				time and transfer time are return using output parameters

2009/09/22 - jgonzale - prv2dim

	BUGFIX:		solved a bug to use pseudo-communicators in p2p communications

2008/07/21 - jgonzale - prv2dim

	FEATURES:	added compilation option 'enable-nanoseconds' that enables
			nanoseconds 

2008/07/21 - jgonzale - trf2dim

	FEATURES:   added compilation option 'enable-nanoseconds' that enables
				nanoseconds

2008/03/20 - jgonzale - prv2dim

	BUGFIX:		solution of a regression related to 'global op' translation
				mixed with user events

2008/03/05 - jgonzale - prv2dim

	BUGFIX:		solution/workaround related to record ordering when whole
				communication is generated in the same timestamp (ex.: when
				translating a trace generated by Dimemas)


2007/11/28 - jgonzale - Simulator

	CHANGES:	The output binary is now called Dimemas3

	CHANGES:	Modifications in data access layer to use traces numbered in
				range 0..N-1

	BUGFIX:		Correct read in data access layer for 'rendez_vous' attribute

2007/11/28 - jgonzale - trf2dim

	CHANGES:	tasks/threads on the output trace are (again) numbered in
				range 0..(N-1)

	CHANGES:	'Dimemas2Prv.h' from common threads is used instead of the
				local version (on 'include' directory)

2007/11/13 - jgonzale - prv2dim

	FEATURES:	Added support to correct translation of 'User Functions'. This
				functions are translated to 'Block Begin/End' regions, and 
				internal CPU bursts are computed.

2007/11/05 - jgonzale - Simulator

	CHANGES:    Added 'enable-idle-accounting' compilation option to not
				include the idle blocks on CPU consumption accounting

2007/10/29 - jgonzale - Simulator

	CHANGES:	Incresed API buffer size, in order to correct simulate traces
				with big headers

2007/10/29 - jgonzale - trf2dim

	CHANGES:	Changed the 'dynamic cast' to classic cast, one more time.

	BUGFIX: 	Changed 'classical' cast to 'dynanic_cast' in order to solve
				GCC compatibility

	CHANGES:	Minor changes in 'autogen.sh'

	BUGFIX:		Solved serious memory leaks on input trace parsing

	FEATURES:	New progress messages using '-v' parameter

2007/09/21 - jgonzale - Simulator

	BUGFIX:		In function 'thread_in_communicator', TaskId of thread is
				not modified

2007/06/13 - jgonzale - Simulator

	BUGFIX:		In function 'DAP_add_comm' from data access API the queues of
				new communicators are initialized
	BUGFIX:     'add_global_ops' function in 'read.c' file is moved to correct
				xlc compilation

2007/06/13 - jgonzale - trf2dim

	CHANGES:	When an unknown record is found, the error message shows the
				trace line

2007/06/12 - jgonzale - prv2dim

	BUGFIX:		solved a bug related to the 'MPI_Sendrecv' operations. Now
				two different sorting comparisons are used depending on being
				on a block or not ('InBlockComparison', 'OutBlockComparison')

2007/05/07 - jgonzale - Simulator

	CHANGES:	Time adjust (apply 1e6 factor) is done in 'get_next_action' on
				read.c, instead of on the data access API.

2007/04/20 - jgonzale - Simulator

	CHANGES:	MAJOR CHANGE. New data access API is used.

2007/03/22 - jgonzale - prv2dim

	FEATURES:	added support to 'MPI_Issend' on 'TaskTranslationInfo'
	FEATURES:	new debug messages, when using DEBUG compilation option

2007/03/15 - jgonzale - Simulator

	BUGFIX:		Solved a problem related to Paraver trace generation where
				IDLE_BLOCKs where incorrectly translated

	CHANGES:	Major changes in Paraver trace generation. Some files has been
				moved to 'common-files'. Now state color generation is coherent
				with burst-clusterizer and the trace facility.