Friday, September 20, 2024

dynamic instruction scheduling (L. Conway)

 dynamic instruction scheduling (L. Conway)

https://en.wikipedia.org/wiki/Lynn_Conway

Conway worked at IBM in the 1960s and invented generalized dynamic instruction handling, a key advance used in out-of-order execution, used by most modern computer processors to improve performance. IBM fired Conway in 1968 after she revealed her intention to undergo a gender transition. 

https://ai.eecs.umich.edu/people/conway/ACS/DIS/DynInstSched-paper.html
 
 
 
 
 
 
 
 
 
 
 
 

VLSI chip design (Mead Conway, Lynn Conway) (readme)

 Mead–Conway VLSI chip design revolution

https://en.wikipedia.org/wiki/Mead%E2%80%93Conway_VLSI_chip_design_revolution

In 1978–79, when approximately 20,000 transistors could be fabricated in a single chip, Carver Mead and Lynn Conway wrote the textbook Introduction to VLSI Systems.[1] It was published in 1979 and became a bestseller, since it was the first VLSI (Very Large Scale Integration) design textbook usable by non-physicists. The authors intended the book to fill a gap in the literature and introduce electrical engineering and computer science students to integrated system architecture. This textbook triggered a breakthrough in education, as well as in industry practice. Computer science and electrical engineering professors throughout the world started teaching VLSI system design using this textbook. Many of them also obtained a copy of Lynn Conway's notes from her famous MIT course in 1978, which included a collection of exercises.[4]

https://ai.eecs.umich.edu/people/conway/VLSI/VLSIarchive.html
 "Carver A. Mead, Lynn Conway:  By the mid-1970s, digital system designers eager to create higher-performance devices were frustrated by having to use off-the-shelf large-scale-integration logic. It stymied their efforts to make chips sufficiently compact or cost-effective to turn their very large-scale visions into timely realities. In 1978, a landmark book titled Introduction to VLSI Systems changed all of that. Co-authored by Mead, the Gordon and Betty E. Moore professor of computer science and electrical engineering at the California Institute of Technology, and Conway, research fellow and manager of the VLSI system design area at the Xerox Palo Alto Research Center, the book provided the structure for a new integrated system design culture that made VLSI design both feasible and practical. Introduction to VLSI Systems resulted from work done by Mead and Conway while they were part of the Silicon Structures Project, a cooperative effort between Xerox and Caltech. Mead was known for his ideas on simplified custom-circuit design, which most semiconductor manufacturers viewed with great skepticism but were finding increasing support from computer and systems firms interested in affordable, high-performance devices tailored to their needs. Conway had established herself at IBM’s research headquarters as an innovator in the design of architectures for ultrahigh-performance computers. She invented scalable VLSI design rules for silicon that triggered Mead and Conway’s success in simplifying the interface between the design and fabrication of complex chips. The structured VLSI design methodology that they presented, the “Mead-Conway concept,” helped bring about a fundamental reassessment of how to put ICs together.”

Introduction to VLSI Systems resulted from work done by Mead and Conway while they were part of the Silicon Structures Project, a cooperative effort between Xerox and Caltech.

Mead was known for his ideas on simplified custom-circuit design, which most semiconductor manufacturers viewed with great skepticism but were finding increasing support from computer and systems firms interested in affordable, high-performance devices tailored to their needs. 

Conway had established herself at IBM’s research headquarters as an innovator in the design of architectures for ultrahigh-performance computers.

She invented scalable VLSI design rules for silicon that triggered Mead and Conway’s success in simplifying the interface between the design and fabrication of complex chips.

It also led to DARPA sponsorship of VLSI research in the universities to follow-up on the Mead-Conway innovations and to DARPA support of rapid-chip-prototyping via a new national-level service called "MOSIS" (directly based on the MPC system technology  Lynn pioneered at PARC). 

https://ai.eecs.umich.edu/people/conway/Memoirs/VLSI/SSCM/VLSI_Reminiscences.pdf

https://ai.eecs.umich.edu/people/conway/VLSI/MPCAdv/MPCAdv.html

[[ read this ]]
https://ai.eecs.umich.edu/people/conway/VLSI/MPCAdv/MPCAdv.html

THE MPC ADVENTURES :
Experiences with the Generation of VLSI Design and Implementation Methodologies
by Lynn Conway

Transcribed from an Invited Lecture at the Second Caltech Conference on Very Large Scale Integration,
January 19,1981
Lynn Conway
 
VLSI-81-2
Copyright @ 1981, Lynn Conway. All Rights Reserved.
XEROX
PALO ALTO RESEARCH CENTER
3333 Coyote Hill Road/Palo Alto/California 94304

Xerox PARC Technical Report VLSI-81-2  [PDF]
https://ai.eecs.umich.edu/people/conway/VLSI/MPCAdv/MPCAdv.pdf
https://ai.eecs.umich.edu/people/conway/VLSI/MPCAdv/MPCAdv.html
 
    Copyright @ 1981, Lynn Conway. All Rights Reserved.
Also published as: "The MPC Adventures", by Lynn Conway,
Microprocessing and Microprogramming - The Euromicro Journal, Vol. 10, No. 4,
November 1982, pp  209-228. PDF (20p; 8.0mb)

Editor's note, 1-10-15: In this report, Lynn described the methods used to deliberately generate the engineering paradigm shift later known as the "VLSI Revolution". However, being an early exploration in "social physics", the concepts went completely over the heads of audiences back in 1981.

Lynn's methods ended up simply being taken for granted, and her role in causing the paradigm shift faded from history. It wasn't until late 2012, when Lynn stepped forward and published her "VLSI Reminiscences", that people began to fathom the depth of what had actually happened (as in CHM 2014 and IEEE 2015).


















evolution of the MOS transistor

Idries Shah

 
 
Idries Shah (/ˈɪdrɪs ˈʃɑː/; Hindi: इदरीस शाह, Pashto: ادريس شاه, Urdu: ادریس شاه; 16 June 1924 – 23 November 1996), also known as Idris Shah, Indries Shah, né Sayed Idries el-Hashimi (Arabic: سيد إدريس هاشمي) and by the pen name Arkon Daraul, was an Afghan author, thinker and teacher in the Sufi tradition. Shah wrote over three dozen books on topics ranging from psychology and spirituality to travelogues and culture studies.

Born in British India, the descendant of a family of Afghan nobles on his father's side and a Scottish mother, Shah grew up mainly in England. His early writings centred on magic and witchcraft. In 1960 he established a publishing house, Octagon Press, producing translations of Sufi classics as well as titles of his own. His seminal work was The Sufis, which appeared in 1964 and was well received internationally. In 1965, Shah founded the Institute for Cultural Research, a London-based educational charity devoted to the study of human behaviour and culture. A similar organisation, the Institute for the Study of Human Knowledge (ISHK), was established in the United States under the directorship of Stanford University psychology professor Robert Ornstein, whom Shah appointed as his deputy in the U.S.

In his writings, Shah presented Sufism as a universal form of wisdom that predated Islam. Emphasizing that Sufism was not static but always adapted itself to the current time, place and people, he framed his teaching in Western psychological terms. Shah made extensive use of traditional teaching stories and parables, texts that contained multiple layers of meaning designed to trigger insight and self-reflection in the reader. He is perhaps best known for his collections of humorous 
Mulla Nasrudin stories.
 
Mulla Nasrudin stories

Shah was at times criticized by orientalists who questioned his credentials and background. His role in the controversy surrounding a new translation of the Rubaiyat of Omar Khayyam, published by his friend Robert Graves and his older brother Omar Ali-Shah, came in for particular scrutiny. However, he also had many notable defenders, chief among them the novelist Doris Lessing. Shah came to be recognized as a spokesman for Sufism in the West and lectured as a visiting professor at a number of Western universities. His works have played a significant part in presenting Sufism as a form of spiritual wisdom approachable by individuals and not necessarily attached to any specific religion.[2]
 

Friday, September 13, 2024

parables

 


https://en.wikipedia.org/wiki/Parable



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Sufi Wisdom through Mystical Parables: What is Inner Knowledge, The Dimension of True Reality, and Shifting Paradigms?



Kattyayani’s Blog



 

Published in 

Kattyayani’s Travelling Circus


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13 min read 

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Sep 19, 2017 

 


New Organs of Perception



Photo Credit: yourdelicatedarling.tumblr.com

“New Organs of Perception come into being as a result of necessity. Therefore O man, increase your necessity, so that you may increase your perception.”


- Footnotes for the story ‘The Increasing of Necessity’ pg.197


This curation of stories serves as a perfect introductory text to the teaching process of the Sufi Masters-Dervishes. A vibrant compilation of stories and insights into the wisdom and inspirations of the Sufi Masters. One of the modern masters, of the world of Sufi Mysticism-Idries Shah,- has enabled borrowing from the source of timeless wisdom packed within these parables, to help us build new faculties of perception relevant for our times.


Not to be mistaken as another storybook, a brief extract from the preface tells us about the preeminence of these stories for pupils of the Sufi tradition.


In Accordance with local culture, the audience and the requirements of the Teaching, Sufis have traditionally made use of appropriate selections from their unparalleled riches of transmitted lore.


In Sufi circles, it is customary for students to soak themselves in stories set for their study, so that the internal dimensions may be unlocked by the teaching master as and when the candidate is judged ready for the experiences which they bring.


At the same time, many Sufi tales have passed into folklore, or ethical teachings, or crept into biographies. Many of them provide nutrition on many levels, and heir value as entertainment pieces alone cannot be denied.”


-Tales of the Dervishes, Preface (excerpt)



Tales of The Dervishes on Amazon.in

Teaching-stories of the Sufi Masters over the past thousand years.


Selected from the Sufi classics, from oral tradition, unpublished manuscripts and schools of Sufi Teaching in many countries.


Contrary to popular belief Sufi stories not only attempt at metaphorically elucidating the incomprehensible and unobservable phenomenon, but also show no indifference towards worldly matters.


However, their extensive study remains about the obscurities and transcendental knowledge. The chariot has been used as a symbolic reference in many mystical teachings. the following story talks about the Science of True Reality as a dimension in between Ordinary and Ecstatic.


The Chariot


There are three sciences in the study of man. The first is the Science of Ordinary Knowledge; the second is the Science of unusual inner states, often called ecstasy. The third, which is the important one is the Science of True Reality: of what lies beyond these two.


Only the real inner knowledge carries with it the knowledge of the Science of Reality. The other two are the reflections, in their own form, of the third. They are almost useless without it.



Source: The Baldwin Project

Picture a charioteer. He is seated in a vehicle, propelled by a horse, guided by himself. Intellect is the ‘vehicle’, the outward form within which we state where we think we are and what we have to do. The vehicle enables the horse and man to operate. The horse, which is the motive power, is the energy which is called ‘a state of emotion’ or other force. This is needed to propel the chariot. The man, in our illustration, is that which perceives, in a manner superior to the others, the purpose and possibilities of the situation, and who makes it possible for the chariot to move towards and to gain its objective.


One of the three, on its own, will be able to fulfil functions, true enough. But the combined function which we call the movement of the chariot cannot take place unless all three are connected in the Right Way.


Only the ‘man’, the real Self, knows the relationship of the three elements, and their need of one another.


YouTube-Compliment this short film “The Master and Chariot- Gurdjieff”


The pursuit of higher self and a method of imparting this higher knowledge is inevitably about walking the road of an inward journey. So it comes as no surprise that a set of teaching stories of Sufi Masters is going to be immersively contemplative read.


The Chariot ends on a heuristic note, a perspective every seeker is encouraged to acquire while learning from the Sufi Tradition. It directs you towards the answer and compelling you to contribute with your own experiences of the journey.


Just like you never step into the same river twice, from my experience you never step into the same Sufi story twice. After beginning to understand what we could potentially find in such stories we must also be cautious about the method and technique which is needed to absorb the most from them from the first reading and then the second reading is a different experience.


We would not succeed with any conventional method of learning or teaching when we cross over to realms of our inner dimension. The ability to regurgitate the metaphors in a story would be like equating flowers to their visual appeal and ignoring the visceral aspects of their beauty- the nectar which they hold in their delicate hip.



Read Learning How To Learn for Free

Idries Shah helps us understand a little more about how we could apply simple hacks while we are immersed in the stories.


He introduces the lecture, ‘Learning From Stories-Part 1’, with an observation about how people are unable to remember a story if they have read it only once. He speaks about perils of congestion in the mind which could hamper our understanding and insists that we must break through the hurdle. Speed does nothing to help the listener remember let alone grasp lessons and insights. He suggests a way of overcoming it by inserting a ‘time lag’. This is something he claims, “nobody takes seriously”, instead they chose to laugh it off.


Hear the story “Time and Pomegranate” narrated by Idries Shah in the same lecture series, Learning From Stories-Part 1, for a verbal illustration of the benefit of introducing a ‘Time Lag’


This knowledge of the time lag and the perception of it between the telling of a story or the happening of an event or the realisation of something and its integration into one’s own mind and his suggestion into one’s own psychology has itself to be learned.


-Idries Shah — ‘Learning From Stories


We are bound to hit this road block when all we know is to depend on our mind and its abundant penchant for distractions.


The mind is but a silo of memory, blind and disabled. illustrated in the following story as a moral.


The limited capacities of the mind have been illustrated in the following story as a moral.


The Blind Ones and the Matter of the Elephant


No mind knew all: knowledge is not the companion of the blind. All imagined something, something incorrect.


While we hold on to this thought, we read this next piece of wisdom from the footnotes of the story, ‘The Golden Fortune’, which encourages us to indulge in ‘Methods’ above ‘Morals’.


Do not take the moral: concentrate upon the early part of the story. It tells you about the method.


Making space for multiple perspectives by acknowledging that they exist is a beginning towards the journey of spiritual awakening and understanding the true nature of existence.


All of us are born within certain realities, and with which we have to keep moving forward, finding our own methods. In the Sufi philosophy every path, however different may be from one another leads all of us to the ‘Ultimate Truth’.


Have you never heard the saying that there are ‘as many Ways as there are hearts of men”


- From the story ‘The Three Dervishes’


On the matter of ‘Truth’, this following story is refreshingly simple and subtly profound in its impact, a perfect example of Elementary wisdom which emerges from the clarity of thought. The kind of clarity which is especially crucial to have when we live in times of infinite trivial complexities.


The Three Truths



Photo Credit: http://www.imgrum.org/user/broenner_design/214619668

The Sufis are known as Seekers of the Truth, this truth being a knowledge of objective reality. An ignorant and covetous tyrant once determined to possess himself of this truth. He was called Rudarigh [Roderick, Roderigo], a great lord of Murica in Spain. He decided the truth was something which Omar el-alwari of Tarragon could be forced to tell him.


Omar was arrested in and brought to the Court. Rudarigh said: ‘I have ordained that the truths which you know are to be told to me in words which I understand, otherwise your life is forfeit.’


Omar answered: ‘do you observe in this chivalric Court the universal custom whereby if an arrested person tells the truth in answer to the question and the truth does not inculpate him, he is released to freedom?


‘That is so,’ said the Lord.


‘I call upon all of you here present to witness this, by the honour of our Lord,’ said Omar, and I will now tell you not one truth, but three.’


‘We must also be satisfied,’ said Rudarigh, ‘that what you claim to be these truths are in fact truth. The proof must accompany the telling.’


‘for such a Lord as you,’ said Omar, ‘to whom we can give not one truth but three, we can also give truths which will be self-evident.’


Rudarigh preened himself at this compliment.


‘The first truth,’ said the Sufi, ‘is- I am he who is called Omar the Sufi Tarragona.” the second is that you have agreed to release me if I tell the truth. The third is that you wish to know the truth as you conceive it.’


Such was the impression caused by these words that the tyrant was the impression caused by these words that the tyrant was compelled to give the Dervish his freedom.


This story introduces dervish oral legends traditionally composed by el-Mutanabbi. These he stipulated, accordint to the tellers, should not be written down for 1000 years.


El Mutanabbi one of the greatest Arabic poets, died a thousand years ago.


One of the features of this collection is that it is considered to be under constant revision, because of its perpetual re-telling in accordance with ‘the canges of times’.


As we debate what will help us in this world,- the range of debate includes all on the bridge in between science to spirituality, only experiencing it can throw light on the aspects of the subject under consideration.


If you put life under consideration, only experiencing it in its full potential can enrich our experience of it.


The importance of experience and its relevance it holds in our attempts at understanding the inconspicuous manifestations of beauty and the transcendental beauty which is experienced through Higher Knowledge is told through an allegory about our favourite beverage-Tea.


The Story of Tea



Photo Credit: https://in.pinterest.com/ebsq/

In ancient times tea was not known outside China. Rumours of its existence had reached the wise and the unwise of other countries, and each tried to find out what it was in accordance with what he wanted or what he thought it should be.


The King of Inja (‘here’) sent and embassy to China, and they were given tea by the Chinese Emperor. But since they saw that the peasants drank it too, they concluded that it was not fit for their royal master; and, furthermore, that the Chinese Emperor was trying to deceive them, passing off some other substance for the celestial drink.


The greatest philosopher of Anja (‘there’) collected all the information he could about tea and concluded that it must be a substance which existed but rarely, and was of another order than anything then known. For was it not referred to as being a herb, a water, green, black, sometimes bitter, sometimes sweet?


[…]


In the territory of Mazhab (‘Sectarianism’) a small bag of tea was carried in procession before the people as they went on their religious observances. Nobody thought of tasting it: indeed nobody knew how. All were convinced the tea itself had a magical quality. A wise man said: ‘Pour upon it boiling water, ye ignorant ones!’ They hanged him and nailed him up, because to do this, according to their belief, would mean the destruction of their tea. This showed that he was an enemy of their religion. Before he died, he had told his secret to a few, and they managed to obtain some tea and drink it secretly. When anyone said: ‘What are you doing?’ they answered: ‘It is but a medicine we take for a certain disease.’


And so it was throughout the world. Tea had actually been seen by some, who did not recognise it. It had been given others to drink, but they thought it the beverage of the common people. It had been in the possession of others, and they worshipped it. Outside China, only a few people actually drank it, and those covertly.


Then came a man of knowledge, who said to the merchants of tea, and the drinkers of tea, and to others: ‘He who tastes, knows. He who tastes not knows not. Instead of talking about the celestial beverage, say nothing, but offer it at your banquets. Those who like it will ask for more. Those who do not, will show that they are not fitted to be tea drinkers. Close the shop of mystery. Open the teahouse of experience.


He who tastes knows. He who tastes not knows not. Instead of taling abuot the celestial beverage, say nothing, but offer it at your banquets. Those who like it will ask for more. Those who do not, will show that they are not fitted to be tea-drinkers. Close the shop of argument and mystery. Open the teahouse of experience. And those who tasted knew.


-Drinks of all kinds have been used by almost all peoples as allegories connected with the search for higher knowledge.


Coffee the most recent of social drinks was discovered by the dervish sheikh Abu el-Hasan Shadhili, at Mocha in Arabia.


Although the Sufis and others often clearly state that ‘magical drinks’ (wine, the water of life) are an analogy of a certain experience, literalist students tend to believe that the origins of these myths dates from the discovery of some hallucinogenic or inebrietive quality in potations According to the dervishes, such an idea is a reflection of the investigator’s incapacity to understand that they are speaking in parallels.


There is an abundance of metaphors and allegories which feature in every story, every metaphor a channel of thought curving in and out of a loop in your mind, eventually, reaches its destination and once it has arrived, epiphany will seem like an old forgotten friend.


The ‘invisible world’ is at all times, at various places, interpreting ordinary reality.”


-Footnotes to the story, ‘The Man with and Inexplicable Life’


We move on to the final story, about shifting paradigms holding us back from revealing our true nature and stagnating the story of our Life.


The Tale of the Sands



Photo Credit: Google Image Search

A stream, from its source in far-off mountains, passing through every kind and description of countryside, at last, reached the sands of the desert. Just as it had crossed every other barrier, the stream tried to cross this one but found that as fast as it ran into the sand, its waters disappeared.


It was convinced, however, that its destiny was to cross this desert, and yet there was no way. Now a hidden voice, coming from the desert whispered: ‘The wind crosses the desert, and so can the stream’.


The stream objected that it was dashing itself against the sand and only getting absorbed; that the wind could fly, and this was why it could cross a dessert.


‘By hurtling in your own accustomed way you cannot get across. you will either disappear or become marsh. You must allow the wind to carry you to your destination.’


But how could this happen? ‘By allowing yourself to be absorbed in the wind.’


This idea was not acceptable to the stream. After all, it had never been absorbed before. It did not want to lose its individuality. And, once having lost it, how was one to to know that it could ever be regained?


‘The wind,’ said the sand, ‘performs this function. It takes up water, carries it over the dessert, and then lets it fall again. Falling as rain, the water becomes a river.’


‘How can I know that this is true?’


‘It is so, and if you do not believe it, you cannot become more than a quagmire, and even that could take many many years; and it certainly is not the same stream.’


‘But I cannot remain the same stream as I am today?’


‘You cannot, in either case, remain so,’ the whisper said.


‘Your essential part is carried away and forms a stream again. You are called what you are even today because you do not know which part of you is the essential one.’


When he heard this, certain echoes began to arise in the thoughts of the stream. Dimly, he remembered a state in which he- or some part of him, was it?- Had been held in the arms of the wind. He also remembered- or did he?- that this was the real thing, not necessarily the obvious thing to do.


And the stream raised his vapour into the welcoming arms of the wind, which gently and easily moved upwards and along, letting it fall softly as soon as they reached the roof of the mountain, many, many miles away. And because he had his doubts, the stream was able to remember and record more strongly in his mind the details of the experience. He reflected, ‘Yes, now I have learned my true identity.’


The stream was learning. But the sands whispered: we know because we see it happen day after day: and because we, the sands, extend from the riverside all the way to the mountain.


‘And this is why it is said that the way in which the Stream of Life is to continue on its journey is written in the Sands.”


- This beautiful story is current in verbal tradition in many languages, almost always circulating among dervishes and their pupils.


It was used in Sir Fairfax Cartwright’s ‘Mystic Rose from the Garden of the King, published in Britain in 1899.


The present version is from Awad Afifi the Tunisian, who died in 1870.


Like the sands we see everything, we are like water in the stream of life, and yet we often refuse to accept the wisdom of the sands and reality of waters.


We must walk the paths we choose, remembering, that in the end, everything falls into place leaving behind what doesn’t serve us. Only then shall we find out what the mysteries of life are essentially made of.




 

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Written by Kattyayani’s Blog 


https://en.wikipedia.org/wiki/Fables_and_Parables


https://en.wikipedia.org/wiki/The_Rooster_Prince


https://en.wikisource.org/wiki/Chinese_Fables_and_Folk_Stories























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