computer science

Scientific Research Institute of System Development

Scientific Research Institute of System Development is a computer science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Scientific Research Institute of System Development rather than just read about it. In short: Scientific Research Institute of System Analysis (abbrev. SRISA/NIISI RAS, Russian: НИИСИ РАН, Russian: Научно-исследовательский институт системных исследований Российской Академии Наук) - is Russian state research and development institution in the field of complex applications, an initiative of the Russian Academy of Sciences.

Key takeaways

Scientific Research Institute of System Development belongs to computer science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Scientific Research Institute of System Development to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Scientific Research Institute of System Development from memory before moving on to harder problems.

Reference excerpt

Scientific Research Institute of System Analysis (abbrev. SRISA/NIISI RAS, Russian: НИИСИ РАН, Russian: Научно-исследовательский институт системных исследований Российской Академии Наук) - is Russian state research and development institution in the field of complex applications, an initiative of the Russian Academy of Sciences. The mission of the institute is to resolve complex applied problems on the basis of fundamental and applied mathematics in combination with the methods of practical computing. Founded by the Decree no. 1174 of the Presidium of the USSR Academy of Sciences on October 1, 1986.

Research fields Main lines of activities:

research in the field of theoretical and applied problems on information security, research in the field of automation of programming, research in the field of creating computer models of the objects with complex geometry and topology for the open scalable system of parallel information processing, research in the field of applied informatics.

Development

Microprocessors The SRISA has designed several MIPS compatible CPUs for general purpose calculations. These include:

KOMDIV-32 (Russian: КОМДИВ-32) is a family of 32-bit microprocessors, MIPS-I ISA KOMDIV-64 (Russian: КОМДИВ-64) is a family of 64-bit microprocessors, MIPS-IV ISA KOMDIV-64 (Russian: КОМДИВ-64) is a family of 64-bit microprocessors, MIPS-IV ISA "1890VM8Ya" is a 64-bit microprocessors, used in the CPU module on "TSP16/TSP21", integrated computer system at Sukhoi Su-57 "fifth-generation jet fighter" and Su-35 "4++ generation jet fighter". Dual-core 64-bit superscalar microprocessor with KOMDIV64 architecture with integrated system and peripheral controllers, second-level cache memory and additional functions for digital signal processing. Main characteristics:

support for 32-bit instruction execution mode and addressing mode; the presence of a real arithmetic coprocessor that supports the formats for representing real numbers of single (32 bits) and double (64 bits) precision, as well as the format "pair of real numbers of single precision"; the presence of a specialized vector coprocessor optimized for linear algebra and digital signal processing tasks of single and double precision with a separate register file of 64 128-bit registers, supporting single and double precision real and complex number formats; translation of 32-bit and 64-bit virtual addresses into 36-bit physical ones; 64-address (128-page) virtual translation lookaside buffer (jTLB); separate virtual address translation buffer (micro TLB) caches for 4 addresses for instructions and data, transparent to the software model; separate set-associative first-level instruction caches of 32 KB (8 sections) and data of 16 KB (4 sections); 2-level cache memory of 512 KB (4 sections); 128-bit internal bus; 7-stage superscalar pipeline with instruction prefetching and the ability to execute two instructions per cycle; reading up to four commands per clock cycle; dynamic branch prediction and speculative instruction execution. 2 DDR2/DDR3 400/800 MHz dynamic memory controllers; 2 RapidIO interface controllers; built-in RapidIO switch with 4 serial and one parallel channels; PCI controller 33/66 MHz; RS232 serial port controller (2 ports); 2 Ethernet 1000/100/10 controllers; 1 SATA 3.0 controller with 2 channels; 1 USB 2.0 host controller with 2 channels; SPI controller (4 devices); I2C controller; 16 one-time commands; interrupt controller; 5 timers; EJTAG in-circuit debugging controller.

Operating systems Since 1998 the SRISA department of System Programming has develop several successive UNIX-like real-time operating system (RTOS) that include:

POSIX 1003.1-compatible RTOS developed since January 1998; the network sockets, however, were borrowed from Free BSD; it supported TCP/IP protocol and X Window suite; it runs on MIPS based CPUs mentioned above. POSIX 1003.1 and Arinc 653-compatible RTOS was first exhibited at SofTool-2008, -2009, and -2010 in Moscow. It was joint project between Alt Linux and SRISA teams.

Notable people Israel Gelfand, academician, Chief Science Officer of SRISA Vladimir Platonov, academician, Chief Science Officer of SRISA Maksim Moshkow, employee, creator of the largest and the oldest Russian electronic library "Lib.ru"

External links Official site of NIISI RAS

References

Worked examples

Example 1 — a first encounter with Scientific Research Institute of System Development

Start with the simplest possible case. Write down what Scientific Research Institute of System Development claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Scientific Research Institute of System Development before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Scientific Research Institute of System Development ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Scientific Research Institute of System Development

In research: Scientific Research Institute of System Development appears in computer science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Scientific Research Institute of System Development in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Scientific Research Institute of System Development is common in secondary-school and first-year university syllabi. It links to neighbouring topics Computer science institutes, Computing in the Soviet Union, Institutes of the Russian Academy of Sciences, so understanding it makes those chapters shorter.
In everyday life: Look for Scientific Research Institute of System Development outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Scientific Research Institute of System Development in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Scientific Research Institute of System Development means in your own words.
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Frequently asked questions

What is Scientific Research Institute of System Development in simple terms?

Why does Scientific Research Institute of System Development matter?

Because it connects several computer science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Scientific Research Institute of System Development?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Scientific Research Institute of System Development.