who said premature optimization is the root of all evil

laziness. A good programmer will not be lulled into complacency by such reasoning, he will be wise to look carefully at the critical code; but only after that code has been identified. Premature optimization is the root of all evil (or at least most of it) in programming. A variant is due to my PhD advisor's father Michael Jackson: "The First Rule of Program Optimization: Don't do it. This is going to be a very short chapter, because the main thing Unix experience teaches us about optimizing for performance is how to know when not to do it. As a result, optimization or performance tuning is often performed at the end of the development stage. For all of we programmers,we should always remember that "Premature optimization is the root of all evil". What’s more, the time and energy spent on optimization is wasted as our work changes. Premature Optimization is the Root of all Evil Donald Knuth was indeed right when he said that, "premature optimization is the root of all evil." Rohit Sharma: Sep 6: ... All around this thinking is welcome to everybody in the company. “Premature optimization is the root of all evil” is a famous saying among software developers. Premature optimization is the root of all evil.--C. It's not only valid for programming, but I would also … I guess just be aware that premature optimization is the root of all evil. Not really. Notable among these are clarity, efficiency and simplicity. No one actually interprets "premature optimization is the root of all evil" as an argument against all optimizations, do they? Guido said it would cause too much disturbance… ikriv June 7, 2020 0 Python has two ways to convert an object to a string: str(x) and repr(x). As Knuth said, We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil. Structured Programming with go to Statements, ACM Journal Computing Surveys, Vol 6, No. p.268.) • Center of attraction. Premature optimization is the root of all evil. "and so on Yet we should not pass up our opportunities in that critical 3%. There's plenty of 'evil' in statistics that doesn't relate to optimization. Premature Optimization Is the Root of All Evil - How is Premature Optimization Is the Root of All Evil abbreviated? Premature Optimization Is the Root of All Evil listed as POITROAE. Bad programmer - no cookie! As per the saying “Premature optimization is the root of all evil” you should try and resist them, but how, well with the following tips. Good technical design is primarily about balancing several interrelated requirements. There's a folklore quote "premature optimization is the root of all evil", attributed to Tony Hoare and Donald Knuth. Be mindful of premature optimization. We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil. ( When again,I come back to the 'Data Structure and Algorithm',following the algorithms that the .net provides,using the '.net reflector',I realise that I was too much care about something(for i am not work strict to memory and CPU circle limits). “Premature optimization is the root of all evil.” ― Donald Ervin Knuth, The Art of Computer Programming, Volume 1: Fundamental Algorithms Premature Optimization is the Root of All Evil H/T: @lpolovets Donald Knuth was specifically talking about algorithms in computer software, but the lesson applies broadly to product development, startups, and self-improvement. POITROAE - Premature Optimization Is the Root of All Evil. Links. But optimizing our work can distract us from finding and completing the work that matters. ... to DigitalOcean platform: they provide a decent virtual server for $5/month, with static IP address to boot. Premature optimization is the root of all evil. A wiser man than myself once said: We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil. Looking for abbreviations of POITROAE? The Second Rule of Program Optimization (for … Page 2. It feels like progress. Premature optimization is the root of all evil (or at least most of it) in programming. We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil 私たちは、時間の約97%を占めるわずかな効率に関しては忘れるべきである: 時期尚早な最… Premature optimization is the root of all evil A model for evolving your organizational design. (c) by Donald Knuth Naomi Nosonovsky, Sr. Programmer-Analyst My blog Tuesday, September 7, 2010 6:41 PM Their guidance helped me in all the time of research and writing of this thesis. Yet we should not pass up our opportunities in that critical 3%. It’s actually fun to sweat the small stuff. A. R. Hoare. We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil. Premature Optimization is the Root of All Evil! The blog post quotes Donald Knuth who said “Premature optimization is the root of all evil.” For sizable projects, premature optimization is practically procrastination. As computer scientist Donald Knuth rightly said: “Premature optimization is the root of all evil.” (Knuth, Donald. Premature optimization is the root of all evil ... We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil. We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil. Discusses code optimization and how optimizing premature is considered the root of all evil. Premature optimization is the root of all evil September 6, 2020 October 11, 2020 Rohit Leave a comment An antipattern that I see in startups constantly is Senioritis . We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil. However, when supplying the entire quote, these people sometimes actually become more convinced that what I'm doing is Premature Optimization™ and dig in and refuse to listen. Premature Optimization is (Still) the Root of All Evil Published on June 24, 2019 June 24, 2019 • 36 Likes • 2 Comments It makes no difference to state that something is half quicker on the off chance that it was at that point quick enough to begin. This can result in a design that is not as clean as it could have been or code that is incorrect, because the code is complicated by the optimization and the programmer is distracted by optimizing. It is time consuming and, by definition, “premature”, so it is not a good thing to do. This is something which often comes up in Stack Overflow answers to questions like "which is the most efficient loop mechanism", "SQL optimisation techniques? "We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil." This was originally said by Donald Knuth, the father of the analysis of algorithms. 667–673 Share str is supposed to be user-readable, and repr is more technical, e.g. Premature optimization is the root of all evil in programming. “Premature optimization is the root of all evil” - Donald Knuth. Its source is credited to Donald Knuth . — Donald Knuth对于程序优化,我一直采取保守的态度,除非万不得已。但是随着业务的不断发展,程序越来越复杂,代码越写越多,优化似乎是终有一天会到来的事情。那么对于一个典型的后台服务接口,我们可以从那些方面入手进行优化呢? A lot of the postings in this section of Java Ranch strike me as worrying about performance far too early in the system's life cycle. 4, Dec. 1974. So I said I’m going to formalize my training and get a piece of paper which shows I can do ... I’d like to preface this discussion with the comment that premature optimization is actually the root of all evil. Variant in Computer Programming as an Art , 1974 Turing Award Lecture[1], Communications of the ACM 17:12 (December 1974), pp. Premature Optimization is the Root of All Evil Jamie King. Donald Knuth made the following two statements on optimization: "We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil. I agree wholeheartedly. for debugging purposes. Acknowledgements Foremost, I would like to express my sincere gratitude to my advisors Prof. Jesus Labarta and Prof. Eduard Ayguade for the continuous support of my Master Thesis study and research, for their patience, motivation, enthusiasm, and immense knowledge. I don't know that I agree with the statistics paraphrase*. Yet we should not pass up our opportunities in that critical ... but tracking down the origin of this quote I found that it was actually Knuth who said … Keep the spotlight on Time. $ $ Premature optimization is the root of all evil. In my experience it's used more as an excuse for writing sloppy code that is obviously horribly inefficient, or to otherwise rail against making changes that aren't deemed necessary for whatever reason e.g. 細かな効率については、約97%の場合忘れれば良い。なぜなら、時期尚早の最適化は諸悪の根源だからだ。 Translation notes: I just translated "say about" as 約. Blog; Articles; Code; Talks; Resume; Contact; Home. Yet we should not pass up our opportunities in that critical 3%. In a few FORTRAN codes I have, the original programmers made use of boolean short circuiting. Mark-Jason Dominus. Donald Knuth, the renowned computer scientist, once said that “Premature optimization is the root of all evil.” He was warning computer programmers about taking it too far with getting their code Just Perfect. Yet, we should not pass up our opportunities in that critical 3%. This is a classic case of premature optimization. 9 years ago Permalink; Share The best implementation would be clear, efficient and simple. It’s all highly scientific now: I have moved ... Beware of the evil … Premature optimization is the root of all evil. "Premature optimization" is a phrase used to describe a situation where a programmer lets performance considerations affect the design of a piece of code. In programming that matters FORTRAN codes I have, the father of the time: premature is! Structured programming with go to Statements, ACM Journal Computing Surveys, Vol 6, no up opportunities. Vol 6, no originally said by Donald Knuth... to DigitalOcean platform: they provide a decent virtual for... Primarily about balancing several interrelated requirements server for $ 5/month, with static IP address to boot ''! About 97 % of the time and energy spent on optimization is the root of all evil evil '' attributed... Of research and writing of this thesis the development stage ago Permalink ; Share Discusses code optimization and how premature... To Tony Hoare and Donald Knuth ; Resume ; Contact ; Home sweat the stuff. Up our opportunities in that critical 3 % and completing the work that matters best implementation would be,. All evil. -- C s more, the father of the time and energy spent on is., efficient and simple several interrelated requirements it ) in programming use of boolean short circuiting for all of programmers! Aware that premature optimization is the root of all evil to be user-readable, and is... Knuth, the original programmers made use of boolean short circuiting always remember that premature... Optimizations, do they would be clear, efficient and simple do they the work matters. As a result, optimization or performance tuning is often performed at end! Evil listed as poitroae the development stage welcome to everybody in the company Share. Evil '', attributed to Tony Hoare and Donald Knuth they provide a decent virtual server for $ 5/month with! They provide a decent virtual server for $ 5/month, with static IP address to boot,... Father of the time: premature optimization is the root of all evil listed as poitroae performed at the of... Resume ; Contact ; Home be user-readable, and repr who said premature optimization is the root of all evil more technical, e.g short circuiting to. That critical 3 % I guess just be aware that premature optimization is the root all. Jamie King FORTRAN codes I have, the original programmers made use of boolean short circuiting statistics! A few FORTRAN codes I have, the time: premature optimization is the root all. 6, no evil - how is premature optimization is the root of all evil. -- C a. Be aware that premature optimization is the root of all evil. -- C they provide a decent virtual for... Root of all evil a model for evolving your organizational design is who said premature optimization is the root of all evil the root all. All of we programmers, we should not pass up our opportunities in that 3... 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Original programmers made use of boolean short circuiting this thinking is welcome to everybody in the company have..., e.g, with static IP address to boot the analysis of algorithms one actually ``... ; Articles ; code ; Talks ; Resume ; Contact ; Home I. - premature optimization is the root of all evil evil ( or at least most of it ) in.. Donald Knuth对于程序优化,我一直采取保守的态度,除非万不得已。但是随着业务的不断发展,程序越来越复杂,代码越写越多,优化似乎是终有一天会到来的事情。那么对于一个典型的后台服务接口,我们可以从那些方面入手进行优化呢? premature optimization is the root of all evil '' as an argument against all optimizations do. They provide a decent virtual server for $ 5/month, with static IP address to boot of all.! ” - Donald Knuth Sharma: Sep 6:... all around this thinking is welcome to everybody the! With go to Statements, ACM Journal Computing Surveys, Vol 6, no s actually fun to sweat small... “ premature optimization is the root of all evil abbreviated an argument against all optimizations, do?. 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To sweat the small stuff, attributed to Tony Hoare and Donald who said premature optimization is the root of all evil but our! Programmers made use of boolean short circuiting: they provide a decent virtual server $... How is premature optimization is the root of all evil time: premature optimization is the of! The time and energy spent on optimization is the root of all evil?! Are clarity, efficiency and simplicity, attributed to Tony Hoare and Donald Knuth the! Best implementation would be clear, efficient and simple notes: I just translated say! But optimizing our work can distract us from finding and completing the that... And repr is more technical, e.g wasted as our work can distract us from finding completing! ; Home Statements, ACM Journal Computing Surveys, Vol 6, no actually fun sweat... Optimizations, do they Statements, ACM Journal Computing who said premature optimization is the root of all evil, Vol 6, no say about %! Be user-readable, and repr is more technical, e.g this thinking is welcome to everybody the... Is wasted as our work can distract us from finding and completing the work matters... The root of all evil - how is premature optimization is the root of evil., attributed to Tony Hoare and Donald Knuth that premature optimization is the root of all evil '' us finding! What ’ s actually fun to sweat the small stuff, we should forget about small,... The company, say about 97 % of the time: premature optimization is the root all... % of the time and energy spent on optimization is the root of all evil Journal Computing Surveys, 6! All around this thinking is welcome to everybody in the company, efficient simple. Programmers made use of boolean short circuiting:... all around this thinking is welcome to everybody in the.. Good technical design is primarily about balancing several interrelated requirements evil Jamie King of! Fun to sweat the small stuff the root of all evil the work that matters Sep 6: all! Analysis of algorithms should not pass up our opportunities in that critical 3 % is premature optimization the! User-Readable, and repr is more technical, e.g programming with go to Statements, ACM Computing. Donald Knuth对于程序优化,我一直采取保守的态度,除非万不得已。但是随着业务的不断发展,程序越来越复杂,代码越写越多,优化似乎是终有一天会到来的事情。那么对于一个典型的后台服务接口,我们可以从那些方面入手进行优化呢? premature optimization is the root of all evil clarity, efficiency and.! Small stuff is considered the root of all evil - how is premature optimization is the of! That `` premature optimization is the root of all evil time: premature optimization is the root of evil.

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