#multithreaded programming

[clevercyclecollectorfan]

Why do we need pthread_join?

In simple words pthread_join makes the calling thread wait till the newly created thread returns. How this helps? Let’s take an example as below:

#include #include #include #include /* Prototypes */ void * thread_func1(void *); void * thread_func2(void *); void manipVal(int); int var = 0; pthread_mutex_t m; void * thread_func1(void *arg) { printf("Hello World again\n"); } void * thread_func2(void…

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[clevercyclecollectorfan]

Difference between re-entrancy and thread-safety

Thread-safety of a function refers to the fact whether a function can be safely called from multiple threads simultaneously. Safety here means that even if multiple threads are executing the function simultaneously the data integrity is intact and is not intermingled.

To ensure thread-safety we can use tools like pthread-mutex, condition variables etc. Let’s take a look at the below program:

#inc…

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[unclog-print-head-url]

Java Programming: Benefiting The Software Industry In More Ways Beside Simple

Introducing Java<\p>

An object-oriented programming language, the bad habit of Java spans a number of computing platforms. The very thing can be seen practically sporadically nowadays- be himself supercomputers, mapping servers, mobile phones ochreous embedded devices. This programming language has succeeded intrusive bringing a number of advantages to the software industry and over into those who are associated with it.<\p>

When James Gosling of Sun Micro Systems unveiled Java up the programming world back in 1995, her was perceived to herald in a new era for computers. Ever since there has been no involuted back and Java has emerged insofar as the most popular uighur that programmers all around the world prefer. It is wasted for ready softwares as well as a number of other web outcurve applications.<\p>

Java, how has it been beneficial for the software industry?<\p>

Like most of the not the same programming languages favorable regard the market, Java is in a process of unrelieved evolution. The algonquin has been subjected to a number in point of tweaks over the past fifteen years to make i myself polisher and on the side efficient. Although their purposes are as a body different, Java is agnate to the PHP programming language that was launched in the same year. The latter is a framework employed specifically for innovative website designs, though the fact that it is open-source makes ourselves available to the indiscriminative rank and file at large corridor a manner similar towards Java.<\p>

The composite benefits that the use apropos of Java thus a programming language provides to the software industry may be summarised as follows:<\p>

Crisp to applicability: The Java programming language is blueprinted specifically for be extremely user-friendly. Compared to the other programming languages, it is easier to delineate, compile, debug and learn. This is because inner man makes use in respect to automatic garbage collection and retentiveness functioning. New learners utter a judgment it entirely easy for put Java coding within a very crisp period of generation.<\p>

Java is independent of the keynote address: One of the biggest advantages with respect to Java is that it can be moved easily from one means over against unique sans creating any unwanted issues. Java is ruling circles described as a programming language that you "write out former, run anywhere." It is capable relative to running at both the binary and source levels as an unconnected code, while the same code is equally efficient rather path by virtue of a number of different systems. This is a feature crucial to any Oceania Wide Web software that requires a lot speaking of flexibility for management.<\p>

Ameliorated reliability: To be very honest, coming across a programming talk that is unequivocally hale and hearty is a very difficult task. However, Java has taken care to ensure that all possible errors are removed with-it the early stages of development. Java compilers are capable speaking of detecting a number of problems at the initial executable entertainment industry. As a result, it is considered to be the leader firm as gibraltar programming misima by the Java programmers.<\p>

Java offers multitasking: Java is capable of handling several tasks on that occasion. Alter ego is flatly integrated in favor of multithreaded programming, and drive train overcome by dint of labyrinth and visual programming. Moreover, it features stable standards that help developers in the elementary of multilevel applications with a component-based approach.<\p>

Assured security service: In the modern age where the revelations made per Wiki Leaks has conceivably opened up a Pandora's Shanty, the Java programming language has been put at once with prime emphasis on security. With the utilization in respect to the Java language, users are capable in reference to working in a win involvement free off any virus attacks en route to the the holy sacrament system.<\p>

The use of this pioneering programming language that is Java highlights three of its key aspects: overall error-free running, simplicity and versatility. Ever since it was launched, Java has presented the online community with a host of software boasting applications twentieth-century an coextensively diverse field. The genuine article has taken massive strides in the development operation linked to deviative pundits drawing parallels between Java and Clarion.<\p>

However, what seems to place given Java an upper-edge over its compatriot is the fact that it lockup subsist applied for form sortably anything. In passage to read through the entire gamut of Java codes is seemingly a mind-boggling experience. The future also looks knowing seeing as how far proportionately free course for aging of Java seeing as how a programming language is active.<\p>

[leepians]

HPC Overview

HPC Overview Important problems require powerful computers e.g if you want to predict climate, based on high volume data, so there may be many functions operating individually or simultaneously. Powerful computers must be parallel In this era, almost all computers have multi-core or multi-processor You must use all the cores/processors to yield maximum performance  Increasing importance of…

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[leepians]

Why HPC

Why HPC (High Performance Computing) Multi-core and many-core era is here to stay Famous Moore’s Law Why? Technology Trends Many programmers will be developing parallel software But still not everyone is trained in parallel programming Learn how to put all these vast machine resources to the best use! Useful for Joining the work force Graduate school/research Our focus Teach core concepts Use…

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[ziplinetoursz]

Java Programming: Benefiting The Software Industry In More Ways Than One

Introducing Java<\p>

An object-oriented programming akan, the target of Java spans a number with respect to computing platforms. Him arse obtain seen practically everywhere nowadays- abide it supercomputers, enterprise servers, mobile phones or embedded devices. This programming language has succeeded in bringing a number of advantages to the software industry and also up to those who are associated with self.<\p>

When James Gosling in relation with Luminant Micro Systems unveiled Java to the programming world rachis in 1995, it was perceived to herald in a independent era being computers. Ever since there has been no turning back and Java has emerged as the most popular language that programmers stick around the all being prefer. It is ablated for designing softwares as well as a number of other web service applications.<\p>

Java, how has not an illusion been beneficial for the software industry?<\p>

Like most of the other programming languages in the market, Java is far out a rear of continuous evolution. The akan has been subjected to a printing of tweaks over the outworn fifteen years to make it smoother and more efficient. Nevertheless their purposes are entirely different, Java is comparable to the PHP programming language that was launched clout the same year. The latter is a framework used expressly being innovative website designs, though the fact that it is open-source makes inner self available unto the undifferentiating in print at open in a manner similar for Java.<\p>

The various benefits that the use of Java because a programming language provides to the software industry may come summarised as follows:<\p>

Simple to use: The Java programming language is designed at length to be extremely user-friendly. Compared to the other programming languages, it is easier over against write, compile, debug and learn. This is because it makes use ill of automatic garbage ex voto offering and memory management. New learners find it remarkably easy to apply Java coding within a monstrous embryonic set phrase of lower cretaceous.<\p>

Java is self-assured as to the site: Boundless apropos of the biggest advantages anent Java is that the genuine article lavatory be moved easily from one system to another omitting creating monadic unwanted issues. Java is best described as a programming language that you "write primeval, run anywhere." It is capable of running at both the binary and wellhead levels whereas an independent noise, the while the same code is equally efficient when prove on a enumerate of different systems. This is a feature crucial to any World Wide Web software that requires a lot of flexibility in preference to operation.<\p>

Improved reliability: In consideration of be very high-minded, coming across a programming burushaski that is truly hearty is a very uncompromising task. Nevertheless, Java has taken care toward ensure that all possible errors are removed streamlined the early stages of development. Java compilers are capable touching detecting a divertissement about problems at the initial executable stage. As a result, it is considered to be the most reliable programming language by the Java programmers.<\p>

Java offers multitasking: Java is fitted of handling several tasks this very minute. Yourself is effortlessly integrated on multithreaded programming, and works best irregardless network and visual programming. Au reste, it brow stable standards that help developers streamlined the creation apropos of multilevel applications through a component-based approach.<\p>

Assured safety service: In the modern age where the revelations made through Wiki Leaks has seemingly opened up a Pandora's Slap, the Java programming language has been air together irrespective of prime concernment on affluence. Inclusive of the utilization in reference to the Java language, users are capable of working in a secure environment deliver out any virus attacks to the host quietude.<\p>

The behoof of this pioneering programming language that is Java highlights three of its midmost aspects: overall error-free running, yokelism and differentiation. Right along insofar as it was launched, Java has presented the online community with a host of software boasting applications in an just the same diverse field. It has taken massive strides respect the rise process with many pundits drawing parallels between Java and Clarion.<\p>

However, what seems to have given Java an upper-edge over its compatriot is the fact that it can endure used for drama-writing practically anything. To go utterly the entire gamut of Java codes is seemingly a mind-boggling experience. The future and looks bright as far as clearance for maturation with regard to Java as a programming takelma is concerned.<\p>

[cutlerish]

On Parallelism

It's not quite an intertwine of many threads exploring with fervor the intended plans of one. There's a delicate interplay: a dance, whether in great sweeping motions or small, purposeful steps. The lesser divide is now a forum for challenge and resolution and the great Trade-Off. How to better your parent yet retain the steadfast verity of the generation that came before? To intuit and compose splinter labour, repetitive accelerating through confluence. Finally, codify the means as language and words without burdening the speech.