Table of Contents
- 1 What is the difference between coarse grained multithreading and fine grained multithreading?
- 2 What is the difference between fine grain and coarse grain parallelism in comparison of data parallelism?
- 3 What is very fine level parallelism?
- 4 What is coarse grain parallelism?
- 5 Is multithreading faster than single thread?
- 6 What are different grain sizes in levels of parallelism?
- 7 What are the properties of a fine grained structure?
- 8 What’s the difference between Corse and fine grained services?
What is the difference between coarse grained multithreading and fine grained multithreading?
The main difference between Fine Grained and Coarse Grained Multithreading is that, in fine grained multithreading, the threads issue instructions in round robin manner while in coarse grained multithreading, the threads issue instructions until a stall occurs.
What is the difference between fine grain and coarse grain parallelism in comparison of data parallelism?
Fine Grain SIMD have less computation time then the coarse grain architecture. Coarse Grain SIMD have more computation time then the Fine grain architecture. Fine Grain SIMD have much higher level of parallelism then Coarse grain SIMD. Coarse grain SIMD have lower level of parallelism then Fine Grain SIMD.
What does finer grain structure mean?
A finer grain size means more grain boundaries, and more grain boundaries means a greater resistance to dislocation. It is the measured ability of a material to withstand serious plastic deformation, making the material less ductile.
What is the other name of fine grained multithreading?
Interleaved multithreading: Interleaved issue of multiple instructions from different threads, also referred to as temporal multithreading. It can be further divided into fine-grained multithreading or coarse-grained multithreading depending on the frequency of interleaved issues.
What is very fine level parallelism?
In fine-grained parallelism, a program is broken down to a large number of small tasks. These tasks are assigned individually to many processors. The amount of work associated with a parallel task is low and the work is evenly distributed among the processors. Hence, fine-grained parallelism facilitates load balancing.
What is coarse grain parallelism?
In coarse-grained parallelism, a program is split into large tasks. Due to this, a large amount of computation takes place in processors. This might result in load imbalance, wherein certain tasks process the bulk of the data while others might be idle.
How does grain size affect material properties?
Grain size has a measurable effect on most mechanical properties. Also, fine-grain steels have greater fatigue resistance, and a fine grain size promotes a somewhat greater toughness and shock resistance. Steels made fine grained by addition of aluminum have machinability inferior to those made without aluminum.
How does grain size affect hardness?
Grain size matters for hardness. If you want to increase hardness, small is beautiful. Grain boundaries are very serious obstacles for moving dislocations. The smaller the grains, the more grain boundaries you have, the harder the material will be.
Is multithreading faster than single thread?
In General: Multi threading may improve throughput of the application by using more CPU power. it depends on a lot of factors. If not, the performance depends on above factors and throughput will vary between single threaded application and multi-threading application.
What are different grain sizes in levels of parallelism?
Levels of parallelism
| Levels | Grain Size | Parallelism |
|---|---|---|
| Instruction level | Fine | Highest |
| Loop level | Fine | Moderate |
| Sub-routine level | Medium | Moderate |
| Program level | Coarse | Least |
Which of the following level of parallelism is also called fine grained parallelism?
Mapping refers to the translation of a main memory address to the cache memory address. 3. Which of the following level of parallelism is also called fine-grained parallelism? Parallelism at the loop level.
What’s the difference between fine grained and coarse-grained components?
Coarse-grained – larger components than fine-grained, large subcomponents. Simply wraps one or more fine-grained services together into a more coarse-grained operation.
What are the properties of a fine grained structure?
A fine grained structure means that it has more no. Of grains and grain boundaries in a volume in comparison to that of the coarse grain structure. To understand this you need to know the solidification physics of metals. Grains are formed due to nucleation, which means creation of a point of solidification inside the liquid metals.
What’s the difference between Corse and fine grained services?
Corse-grained services provides broader functionalities as compared to fine-grained service. Depending on the business domain, a single service can be created to serve a single business unit or specialised multiple fine-grained services can be created if subunits are largely independent of each other.
What are the characteristics of fine grained soil?
Fine-grained soil is described depend on its dry strength, dilatancy, dispersion and plasticity. It has good load-bearing qualities. It has good-load bearing qualities when dry; however, it possesses little or no load-bearing strength if it is wet. This characteristic is especially true with clay.