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Topic: Mark Heap

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	JockBio: Mark Prior Biography
		But Mark will be the first to admit that he'd be a sitting duck on the mound if it weren't for all the tutoring he received as a teenager—and a work ethic away from the field that borders on the fanatic.
		Mark was magnificent, silencing Stanford—literally and figuratively—in a 2-1 masterpiece.
		Mark had trouble going much past the seventh because his workload was often too burdensome in the early innings.
	www.jockbio.com /Bios/Prior/Prior_bio.html (4932 words)

	Mark Heap - Wikipedia, the free encyclopedia
		Mark Heap as Dr. Alan Statham in Green Wing.
		Mark Heap is a British actor best known for a variety of television comedy roles including struggling artist Brian Topp in Spaced, the pompous Dr. Alan Statham in Green Wing, and various roles in the sketch shows Big Train and Jam.
		He was also in the radio predecessor of Jam, Blue Jam, and Chris Morris's controversial "TV documentary" parody Brass Eye.
	en.wikipedia.org /wiki/Mark_Heap (215 words)

	Release Heap (CEERLHP) API (Site not responding. Last check: 2007-10-29)
		All storage allocated in the marked heap since the corresponding mark operation is released.
		The heap identifier of the heap to be released is inferred from the mark address.
		Mark and release operations treat the heap in a fashion similar to a stack.
	www.redbooks.ibm.com /pubs/html/as400/v4r5/ic2924/info/apis/CEERLHP.htm (197 words)

	15.5 Array Implementation and Sorting With Heaps
		In the tree implementation of the heap, both binary tree pointers and linear pointers were employed so as to diversify the traversability of the tree.
		Swap it with the last item, mark it as "sorted" and sift the new root down the smaller branch (but not into the sorted part) until it is again a proper child.
		Dequeing is accomplished by serving from the top (root) of the heap, then promoting the highest priority of the two descendents of the root, repeating recursively until a leaf node is reached, and then deleting the leaf node using the portion heap delete function that follows a find.
	www.arjay.bc.ca /Modula-2/Text/Ch15/Ch15.5.html (879 words)

	Improving Java Application Performance and Scalability by Reducing Garbage Collection Times and Sizing Memory
		The heap was divided into two generations, a young generation that used two semi-spaces and a copying collector, and an old generation that used a mark-compact or mark-sweep collector.
		The bitmaps are used to scan the heap and mark live objects concurrently, in a "marking phase." Once the marking is complete, the unmarked objects are deallocated in a concurrent "sweeping phase." The collector does most of its work concurrently, suspending application execution only briefly.
		Marking, in a nutshell, is the process of tagging each object that can still be reached [1], so that it can be preserved when unmarked objects are collected.
	developers.sun.com /techtopics/mobility/midp/articles/garbage (11857 words)

	A Survey of Garbage Collection Techniques
		The algorithm traverses through the whole heap, marks all the live objects, and then "sweeps" all the unmarked "garbage" back to the main memory.
		During the sweep phase, the heap can be scanned from bottom up and put the unmarked objects, or the garbage, back into the free memory pool.
		In terms of GC cost, it is less than that of "Mark and Sweep" for its workload is proportional to the number of the live objects instead of the entire memory space.
	www.cs.wisc.edu /~zhong/termproj_surveyGC.html (4798 words)

	Heap of Fish Java Applet - an Interactive Illustration of Garbage Collection
		Heap of Fish has five modes, which can be selected via radio buttons at the bottom left of the applet.
		The compact heap mode allows you to slide heap objects so that they are side by side at one end of the heap, leaving all free memory as one large contiguous block at the other end of the heap.
		During the mark phase, the fish objects on the heap are traversed depth-first starting from the local variables.
	www.artima.com /insidejvm/applets/HeapOfFish.html (1710 words)

	Mark Heap Photos - Mark Heap News - Mark Heap Information
		Mark started his career in street theatre with comedy juggling duo 'The Two Marks', they won the Time Out street Entertainer of the year award in 1987....classy!
		Mark started out as a street entertainer and won the Time Out street Entertainer of the year award in 1987 with his comedy-juggling act.
		Mark does a lot of work for radio, most well known is 'Blue Jam' with comedy genius Chris Morris.
	www.tv.com /mark-heap/person/39573/summary.html (324 words)

	Overvalued TEs
		Heap has built his reputation as the #1 target in the passing game over the last couple years and is valued as if he is going to be in the future.
		Strike Two: Heap is probably the third best receiving option on the team now behind Derrick Mason and Mark Clayton — it’s hard to know if the lack of a starting quality WR in Baltimore inflated Heap’s production over the last three years.
		Mark Wimer - The 49ers this season: a new coach takes over a cap-strapped team with a three-cylinder running game, and then said coach hands the keys to their jalopy of an offense to a raw rookie QB from a second-tier NCAA school.
	www.footballguys.com /05valuete1.htm (3617 words)

	[No title]
		The motivation for compacting garbage collection is that to compact an individual generation, one does not need to reserve a semi-space of equal size to the entire heap to perform a full collection, in the event that a full collection occurs, and so greatly reduces memory usage without much if any cost to performance.
		Drawbacks to this mean very poor compaction efficiency when the heap is full (very little room for forwarding entries), unless a configurable section of the heap is reserved for forwarding purposes at all times, which adds tuning complexity, but on the other hand allows the amount of memory wasted to be tuned.
		Another way to implement this is just to allocate a fixed size chunk of memory from a mark sweep generation, or just allocate an entire empty mark-sweep generation and use this for allocation purposes.
	slate.tunes.org /repos/main/doc/gc.txt (1686 words)

	An Introduction to Garbage Collection
		The objects that are left will all have their mark bits set the same way, so you can consider yourself to have "cleared" their mark bits just by switching your definition of which value means "marked" and which means "not marked." So mark-sweep garbage collection takes two passes.
		At the end of the pass, all the live objects are gathered at one end of the heap and the rest of the heap is available for new objects.
		Otherwise, you have to trace through every object on the heap with every garbage collection pass, which means the only time you save is the actual copying time, a small fraction of the time you can save if you donít have to trace through the objects in other generations.
	www.concentric.net /~rtgillam/pubs/Garbage2.html (5882 words)

	[No title] (Site not responding. Last check: 2007-10-29)
		The heap increment is the amount of memory Kaffe will request from the operating system to add to the heap it manages if it decides to postpone a collection.
		However, the costs of marking only depends on the amount of live data, which is roughly equivalent to the amount of long-lived data.
		Possible candidates for such factors are the time elapsed since the start of the program, the time it takes to mark the heap, the time it takes to sweep freed objects, the length of the finalizer list, and the phase of the moon.
	www.kaffe.org /doc/kaffe/FAQ.gcstrategy (1211 words)

	WIESS Paper
		A garbage collector defines the liveness of heap objects by their reachability, starting from a working set of global and local references: an object is live only when there is some path that reaches it; on the other hand, an object is not live when no path can be found that reaches the object.
		The traversal phase (marking) of the collector is very sensitive to outside changes of the objects graph brought by pointer operations.
		Unfortunately the stack-space needed for marking the heap is proportional to the depth of the graph: When the heap grows too much, the amount of memory available to the traversal decreases accordingly, thus potentially inhibiting the completion of the marking phase.
	www.usenix.org /events/wiess2000/full_papers/brega/brega_html (1389 words)

	Fine-tuning Java garbage collection performance
		The size of the heap varies, based on the specified or default heap minimum and maximum sizes, and the usage of the heap.
		Holes or fragments in the heap are removed by moving the live objects together in the heap.
		This is heap thrashing, and is caused by a heap that's barely large enough to avoid expansion but not large enough to satisfy future allocation failures.
	www-128.ibm.com /developerworks/ibm/library/i-gctroub (3814 words)

	Semple Analysis Engine: semple::analysis::Heap class Reference (Site not responding. Last check: 2007-10-29)
		Allocate storage on the heap for the given new expression.
		The Heap class manages all dynamic allocation and deallocation for the AbstractInterpreter.
		This routine searches through the heap and emits a warning for each memory location that is still "live" when it is called.
	www.cs.rpi.edu /~gregod/Semple/classsemple_1_1analysis_1_1Heap.html (305 words)

	Java Heap Size Issues
		In general, the two biggest risks regarding increasing the heap size are 1) increasing the duration of single-threaded garbage collection, and 2) outstripping physical RAM (forcing your JVM to use virtual memory--filesystem paging).
		I will do the needful.As of now my plan is to increment the heap size from 256 and see the number of collections as well as pause times.The setting which gives me a balanced mix of this is gonna be my production parameters.
		The first one describes the memory model for Java/AIX applications and does indicate that the maximum allowed heap size (-mx setting for the Java runtime) is 1GB.
	www.theserverside.com /discussions/thread.tss?thread_id=20157 (976 words)

	Scottish Amateur Championship: Heap Makes Mark
		In the 36-hole final, over a mist-shrouded course overlooking the North Sea, Heap led all the way against Mark Loftus from Cowglen from the moment he collected his second birdie of the morning round at the third hole.
		Even though I was seven up at that point I knew that Mark would come out and try to hit all the flags.
		A birdie at the 12th, his 30th hole of the match, increased the lead to six and when he was just 10 feet from the hole in three at the 550-yd next and Loftus lipped out for a four the match was conceded.
	www.amateur-golf.com /news/yeartodate/news99/scotamtel.html (391 words)

	[No title]
		The heap as a whole is not entirely ``ours." After heap expansion(s), the heap can contain {\em holes}, unusable space, that has not been allocated by \fgc\ and is not at its disposal, therefore.
		If the heap is not empty, i.e., if expansion has taken place at least once, we determine the amount of pages by which the heap has to be increased.
		The new heap layout has to be described, i.e., the various pointers, to the beginning or end of the heap, the page-info table, or to free segments have to be updated.
	www.cs.rpi.edu /research/gpg/designFGC.w (13089 words)

	Magic number (programming) - Wikipedia, the free encyclopedia
		: Used by Microsoft's C++ debugging heap to mark uninitialised stack memory
		: Used by Microsoft's C++ debugging heap to mark uninitialised heap memory
		Since they were often used to mark areas of memory that were essentially empty, some of these terms came to be used in phrases meaning "gone, aborted, flushed from memory"; e.g.
	en.wikipedia.org /wiki/Magic_number_(programming) (1349 words)

	NASBL - Archives - Hot Stove Heaters (Site not responding. Last check: 2007-10-29)
		Joining Randy on the slag heap were Mark Mulder (9-13, 6.36), Tom Glavine (10-13, 6.77), and John Lackey (11-16, 7.16).
		So great were the Trash Heap rotation’s collective troubles that despite scoring 1011 runs, the Heap only outscored their opposition by the slim margin of 48 runs on the season.
		The physically and emotionally shattered Lackey was said to have broken into tears of joy when he learned of his eventual release from his sentence of forced labor in the NJT gulag.
	www.nasbl.com /archives/hsh/2005/hsh.php?t=9 (819 words)

	[No title]
		Allocating cons pairs for environments from this special heap is a heuristic that approximates the (unachievable) goal: allocate all short-lived objects from the copying-heap, at no extra cost in allocation time.
		Saving a reference to every object in the mark/sweep heap which directly references the copying heap in a root set that is specially maintained for that purpose (`scm_egc_roots').
		During a mark-sweep collection, the copying collector heap is marked and swept almost like any ordinary segment of the general purpose heap.
	www-swiss.ai.mit.edu /projects/info/scm.info-5 (5551 words)

	Heap - MFSA 2005-57: IDN heap overrun using soft-hyphens
		A heap overflow vulnerability in the Concurrent Versions System (CVS) could There is a heap memory overflow vulnerability in the way CVS handles the
		HEAP is a small pile of stuff created by a young man who attended art school and ended up working in advertising and growing a beard.
		By crafting a UPX file, an attacker is able to trigger a heap overflow within The result is an arbitrary heap overflow with no character restrictions.
	www.iseeklinks.com /q/heap.htm (251 words)

	Confetti (film) - Wikipedia, the free encyclopedia
		The film follows the contestants in a fly-on-the-wall documentary style, akin to The Office.
		It stars such acclaimed British comedians as Jessica Stevenson, Jimmy Carr, Martin Freeman, Mark Heap, Julia Davis, Robert Webb, and Olivia Colman.
		One of the three couples whose story is followed opts for a naturist wedding.
	en.wikipedia.org /wiki/Confetti_(film) (124 words)

	[No title]
		Looks like this is only done after an entire copy phase, so the first fit takes an entire block at a time.
		Scavenge also clears the marked and pinned bits of the copied obje (which were copied along with the rest).
		These points assume you are brining in you own implementation and ditching all the existing infrastructure.
	research.microsoft.com /Collaboration/University/europe/events/Workshop/Rotor/wshop-gc_cambridge.ppt (114 words)

	22C:116, Homework 8 Solutions, Fall 1998
		The first test for resemblance is simple -- does the candidate for a tag contain the expected constants (either marked or not marked) in the garbage collection field.
		If this field is a word, and if the values selected to represent marked and not marked are distinctive, this test will rarely pass except when a real boundary tag is found.
		This would require that an auxiliary index data structure be maintained to support this search, but the cost of maintaining this auxiliary index is almost certainly less than the cost of the linear search used in the first alternative used above, and the resulting solution would be formally correct.
	www.cs.uiowa.edu /~jones/opsys/fall98/hw/08a.html (701 words)

	Spaced Out Forum -> Mark Heap in Jam
		There is a sketch about porn stars who get some sort of disease where they ejaculate until their body dries out and they die and in one scene Mark is playing one of those porn stars.
		Wouldn't it be funny if Mark read this thread.
		A guy at college made a semi (pardon the pun)-pornographic video for his final project, and used an extremely realistic fake schlong.
	www.spaced-out.org.uk /forums/index.php?act=findpost&pid=205834 (775 words)

	DRAKE BRISCOE : Chinoiserie furniture, Indian classical paintings by Mark Briscoe
		Here you will find an exhibition of works from the studio of the English restorer of antique lacquer: Mark Briscoe, an artist working in a number of diverse styles, originally from the U.K. he is currently based in North Eastern Spain.
		As well as his chinoiserie decoration on furniture, Mark Briscoe has been recognised as one of today's leading exponents of Indian classical painting.
		Certainly a work of art involving several old car tyres strung to a ceiling with mouldy baked bean cans attached would require some sort of explanation.
	www.drakebriscoe.com (231 words)

	Slobodan Celenkovic: Object Count Impact on GC Performance
		For example, if I have 1000000 objects in my heap, but only 10 are live, GC is very fast, but when you reverse that, with only 10 dead, GC will thrash and kill you.
		That 1% of the time where we allocate a great quantity of certain types of objects, we may need to take a close look and ensure that these objects are reasonably efficient (both in terms of execution speed and memory use).
		Java GC tuning is covered very well by Sun and I leave it to their engineers who have a much better knowledge/understanding of the Java heap internals to explain GC issues.
	www.theserverside.com /news/thread.tss?thread_id=36832 (6537 words)

	Spaced Out Forum -> Interview with Mark Heap
		Mark, first off, I like your beard (in Spaced I mean
		I remember seeing you at the Edinburgh festival years ago (sorry!), but can't remember the name you were using at the time.
		I esp. enjoyed when you played Ben Fetch and Mark the school addict in Brass Eye.
	www.spaced-out.org.uk /forums/index.php?showtopic=7566 (1815 words)

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