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Looking for girlfriend > 50 years > Find the odd man out of pipelining concept

Find the odd man out of pipelining concept

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I love thinking up solutions to interesting problems, writing implementations, and creating beautiful code. Operations is everything not involved in building great software—everything from setting up servers to getting your code shipped to production. This is interesting, because as a freelance Ruby on Rails developer, I frequently have to create new web applications and repeat the process of figuring out the DevOps side of things. With my pipeline, every push is tested, the master branch is deployed to staging with a fresh database dump from production, and versioned tags are deployed to production with back-ups and migrations happening automatically. I went ahead and created a few posts, just to make sure. Typically, this is where most developers leave their operations.

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Pipelining and Vector Processing

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A status register , flag register , or condition code register CCR is a collection of status flag bits for a processor. The status register is a hardware register that contains information about the state of the processor. The status register lets an instruction take action contingent on the outcome of a previous instruction. Typically, flags in the status register are modified as effects of arithmetic and bit manipulation operations. For example, a Z bit may be set if the result of the operation is zero and cleared if it is nonzero.

Other classes of instructions may also modify the flags to indicate status. The flags are read by a subsequent conditional instruction so that the specified action depending on the processor, a jump, call, return, or so on occurs only if the flags indicate a specified result of the earlier instruction. Such machines either do not pass implicit status information between instructions at all, or they pass it in an explicitly selected general purpose register.

A status register may often have other fields as well, such as more specialized flags, interrupt enable bits, and similar types of information. During an interrupt, the status of the thread currently executing can be preserved and later recalled by storing the current value of the status register along with the program counter and other active registers into the machine stack or some other reserved area of memory.

This is a list of the most common CPU status register flags, implemented in almost all modern processors. Status flags enable an instruction to act based on the result of a previous instruction. In pipelined processors, such as superscalar and speculative processors, this can create hazards that slow processing or require extra hardware to work around them.

Some very long instruction word processors dispense with the status flags. A single instruction both performs a test and indicates on which outcome of that test to take an action, such as Compare a with b and Jump to c if Equal. The result of the test is not saved for subsequent instructions. Another alternative to the status register is for processor instructions to deposit status information in a general-purpose register when the program requests it.

Conditional branches act based on the value in the general-purpose register. To test for other conditions, a program uses an equivalence formula. For example, MIPS has no "carry bit" but a program performing multiple-word addition can test whether a single-word addition of registers overflowed by testing whether the sum is lower than an operand: [4].

The sltu instruction sets tmp to 1 or 0 based on the specified comparison of its two other operands. Here, the general-purpose register tmp is not used as a status register to govern a conditional jump; rather, the possible value of 1, indicating carry from the low-order addition, is added to the high-order word.

Fortunately, those two carries may be added to each other without risk of overflow, so the situation stabilizes at five instructions per word added. From Wikipedia, the free encyclopedia. Retrieved Microchip Technology. Categories : Control flow Central processing unit Digital registers. Namespaces Article Talk. Views Read Edit View history.

By using this site, you agree to the Terms of Use and Privacy Policy. Indicates that the result of an arithmetic or logical operation or, sometimes, a load was zero. It is also used to extend bit shifts and rotates in a similar manner on many processors sometimes done via a dedicated X flag. Indicates that the result of a mathematical operation is negative. In some processors, [2] the N and S flags are distinct with different meanings and usage: One indicates whether the last result was negative whereas the other indicates whether a subtraction or addition has taken place.

Indicates that the signed result of an operation is too large to fit in the register width using two's complement representation. Half-carry flag Auxiliary flag Digit Carry Decimal adjust flag. Indicates that a bit carry was produced between the nibbles typically between the 4-bit halves of a byte operand as a result of the last arithmetic operation. Such a flag is generally useful for implementing BCD arithmetic operations on binary hardware.

On some processors, this bit indicates whether interrupts are enabled or masked. On other architectures, a bit may indicate that an interrupt is currently active, and that the current thread is part of an interrupt handler.

On processors that provide two or more protection rings , one or more bits in the status register indicate the ring of the current thread how trusted it is, or whether it must use the operating system for requests that could hinder other threads.

On a processor with only two rings, a single bit may distinguish Supervisor from User mode.

Aptitude - Odd Man Out and Series

Jul 9, C The Pipeline pattern , also known as the Pipes and Filters design pattern is a powerful tool in programming. The idea is to chain a group of functions in a way that the output of each function is the input the next one. The concept is pretty similar to an assembly line where each step manipulates and prepares the product for the next step. We might have a pipeline that accepts a string, finds the most common word, counts its number of characters, and checks if that number is Odd.

A stream editor is used to perform basic text transformations on an input stream a file or input from a pipeline. While in some ways similar to an editor which permits scripted edits such as ed , sed works by making only one pass over the input s , and is consequently more efficient.

Given an array of positive integers. All numbers occur even number of times except one number which occurs odd number of times. A Simple Solution is to run two nested loops. The outer loop picks all elements one by one and inner loop counts number of occurrences of the element picked by outer loop.

Redis Clustering Best Practices with Keys

This application is a continuation of application Ser. This invention relates in general to computers using interleaved memory systems, and in particular to a computer having an interleaved memory architecture with multiple simultaneous memory accesses. In general, memory is one of the slower sub-systems in a processor. Processor performance suffers when a fast device such as the CPU must wait for a memory system to access data. One way to reduce performance degradation due to slow memory is to incorporate a cache memory into the system. Cache memories are high-speed buffers that hold copies of the most frequently accessed data in main memory. Adding a cache memory between the fast device and the slow memory reduces the effective access time of the memory system.

Find the Number Occurring Odd Number of Times

Today's post is based on a project I recently did in work. I was really excited to implement it and to write it up as a blog post as it gave me a chance to do some data engineering and also do something that was quite valuable for my team. Not too long ago, I discovered that we had a relatively large amount of user log data relating to one of our data products stored on our systems. As it turns out nobody was really using this data so I immediately became interested in what we could learn if we started to regularly analyze it.

A status register , flag register , or condition code register CCR is a collection of status flag bits for a processor.

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The subject matter of the present invention is related to that disclosed in U. SDRAM memory devices function somewhat differently than conventional random access memory devices such as DRAM and take advantage of the fact that most computer system memory access are, in fact, sequential. Consequently, SDRAM devices are designed to fetch the initial and ensuing data bits in a burst as quickly as possible. An on-chip burst counter allows the column portion of the address to be incremented rapidly in order to significantly speed retrieval of information in sequential read operations.

As the placement season is back so are we to help you ace the interview. We have selected some most commonly asked and must do practice problems for you. You can also take part in our mock placement contests which will help you learn different topics and practice at the same time, simulating the feeling of a real placement test environment. General Recruitment Process:. Students from branches other than CS should prepare for the other two subjects related to their branch.

Pipeline Pattern Implementations in C# .NET – Part 1

By using this site, you consent to the use of cookies. You can refuse to use cookies by setting the necessary parameters in your browser. Physics , Odd man out between force, momentum, acceleration, mass. Answers: 3. Other questions on the subject: Physics. Physics,

Jun 12, - As modules came to the ecosystem, the idea of a key was stretched In Redis, data resides in one place in a cluster, and each node or shard has a portion of the keyspace. go out to do a transaction, all the keys involved are on the same slot. See if you truly need a transaction or if a pipeline will do.

In every competitive exam, Odd Man Out type questions are very common. In odd man out problems all the items given in the question except one follow a certain pattern or a group. That means out of the all given elements, one will not fall into the group due to some difference in the property.

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What is a key anyway in Redis? The original intention of Redis or any key-value store was to have a particular key, or identifier, for each individual piece of data. Redis quickly stretched this concept with data types, where a single key could refer to multiple even millions of pieces of data. As modules came to the ecosystem, the idea of a key was stretched even further because a single piece of data could now span multiple keys for a RediSearch index, as example.

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