This document discusses advance computer architectures including multi-core computers, multithreading, and GPUs. It provides information on multi-core systems and how they integrate multiple processor cores on a single chip to provide cheap parallel computing. It also discusses limitations of single core architectures and how multithreading enables parallelism through dividing instruction streams into threads. Finally, it covers GPUs and how they are optimized for parallel processing of graphics applications using thousands of simpler cores compared to CPUs.
A brief description about processing cores, multi-core processors & their applications with lots of relevant animations.
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Nvidia (History, GPU Architecture and New Pascal Architecture)Saksham Tanwar
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An introduction to the Design of Warehouse-Scale ComputersAlessio Villardita
A brief overview of the main factors involved in the design of Warehouse-Scale Computers (WSC), from the hardware, to the cooling system to the overall plant energy efficiency, always keeping in mind the costs of such a big architecture.
Co-Author: Pietro Piscione (https://www.linkedin.com/pub/pietro-piscione/84/b37/926)
A work based on:
"The Datacenter as a Computer, An Introduction to the Design of Warehouse-Scale Machines, Second Edition"
by
Luiz André Barroso
Jimmy Clidaras
Urs Hölzle
Parallel computing and its applicationsBurhan Ahmed
Parallel computing is a type of computing architecture in which several processors execute or process an application or computation simultaneously. Parallel computing helps in performing large computations by dividing the workload between more than one processor, all of which work through the computation at the same time. Most supercomputers employ parallel computing principles to operate. Parallel computing is also known as parallel processing.
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A brief description about processing cores, multi-core processors & their applications with lots of relevant animations.
Animations don't work in this preview,but you can watch the full clip on YouTube here:
http://youtu.be/Vm2RzHq4ASY
Send me an email to download the file.Enjoy!
Nvidia (History, GPU Architecture and New Pascal Architecture)Saksham Tanwar
This presentation focuses on Nvidia GPUs and explores the topics of what a GPU is, its basic architecture, how it is different from a CPU, its basic working, and what new Nvidia has to offer in consumer as well as server market
An introduction to the Design of Warehouse-Scale ComputersAlessio Villardita
A brief overview of the main factors involved in the design of Warehouse-Scale Computers (WSC), from the hardware, to the cooling system to the overall plant energy efficiency, always keeping in mind the costs of such a big architecture.
Co-Author: Pietro Piscione (https://www.linkedin.com/pub/pietro-piscione/84/b37/926)
A work based on:
"The Datacenter as a Computer, An Introduction to the Design of Warehouse-Scale Machines, Second Edition"
by
Luiz André Barroso
Jimmy Clidaras
Urs Hölzle
Parallel computing and its applicationsBurhan Ahmed
Parallel computing is a type of computing architecture in which several processors execute or process an application or computation simultaneously. Parallel computing helps in performing large computations by dividing the workload between more than one processor, all of which work through the computation at the same time. Most supercomputers employ parallel computing principles to operate. Parallel computing is also known as parallel processing.
↓↓↓↓ Read More:
Watch my videos on snack here: --> --> http://sck.io/x-B1f0Iy
@ Kindly Follow my Instagram Page to discuss about your mental health problems-
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@ Appreciate my work:
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Thank-you !
Blue Gene is a massively parallel computer being developed at the IBM Thomas J. Watson Research Center .Blue Gene represents a hundred-fold improvement on performance compared with the fastest supercomputers of today. It will achieve 1 PetaFLOP /sec through unprecedented levels of parallelism in excess of 4,0000,000 threads of execution.
This is my report in MIS at PNU MA class. All the materials (e.g.text, graphics, images) I used were downloaded from the net. I just came up for some important details and proceeded with the presentation..
Hyper-threading or Hyper-Threading Technology(HTT), is actually Intel’s
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Macroeconomics- Movie Location
This will be used as part of your Personal Professional Portfolio once graded.
Objective:
Prepare a presentation or a paper using research, basic comparative analysis, data organization and application of economic information. You will make an informed assessment of an economic climate outside of the United States to accomplish an entertainment industry objective.
How to Add Chatter in the odoo 17 ERP ModuleCeline George
In Odoo, the chatter is like a chat tool that helps you work together on records. You can leave notes and track things, making it easier to talk with your team and partners. Inside chatter, all communication history, activity, and changes will be displayed.
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Odoo provides an option for creating a module by using a single line command. By using this command the user can make a whole structure of a module. It is very easy for a beginner to make a module. There is no need to make each file manually. This slide will show how to create a module using the scaffold method.
3. Introduction To Multi-Core System
Integration of multiple processor cores on a single chip.
Multi-core processor is a special kind of multiprocessors:
All processors are on the same chip also called Chip
Multiprocessor.
Different cores execute different codes (threads) operating on
different data.
A shared memory multiprocessor: all cores share the same
memory via some cache organization
Provides a cheap parallel computer solution.
Increases the computation power to PC platform.
4. Why Multi-Core?
Limitations of single core architectures:
High power consumption due to high clock rates (2-3% power
increase per 1% performance increase).
Heat generation (cooling is expensive).
Limited parallelism (Instruction Level Parallelism only).
Design time and complexity increased due to complex methods to
increase ILP.
Many new applications are multithreaded, suitable for multi-core.
Ex. Multimedia applications.
General trend in computer architecture (shift towards more
parallelism).
Much faster cache coherency circuits, in a single chip.
Smaller in physical size than SMP.
7. Intel Polaris
80 cores with Teraflop (10^12)
performance on a single chip (1st
chip to do so).
Mesh network-on-a-chip.
Frequency target at 5GHz.
Workload-aware power
management:
Instructions to make any core
sleep or wake as apps
demand.
Chip voltage & frequency
control.
Peak of 1.01 Teraflops at 62
watts.
Peak power efficiency of 19.4
Short design time.
8. Innovations on Intel’s Polaris
Rapid design – The tiled-design approach allows designers to use
smaller cores that can easily be repeated across the chip.
Network-on-a-chip – The cores are connected in a 2D mesh
network that implement message-passing. This scheme is much
more scalable.
Fine-grain power management - The individual compute engines
and data routers in each core can be activated or put to sleep based
on the performance required by the applications.
9. What applications benefit From Multicore
Processors
• Database servers
• Web servers (Web commerce)
• Compilers
• Multimedia applications
• Scientific applications,
• In general, applications with
Thread-level parallelism(as opposed to instruction
level parallelism)
11. 2. Multi-Threading
Thread-Level Parallelism (TLP)
This is parallelism on a more coarser scale than instruction-level
parallelism (ILP).
Instruction stream divided into smaller streams (threads) to be
executed in parallel.
Thread has its own instructions and data.
May be part of a parallel program or independent programs.
Each thread has all state (instructions, data, PC, etc.) needed to
execute.
Single-core superscalar processors cannot fully exploit TLP.
Multi-core architectures can exploit TLP efficiently.
Use multiple instruction streams to improve the throughput of
computers that run several programs .
TLP are more cost-effective to exploit than ILP.
12. Threads vs. Processes
Process: An instance of a program running on a computer.
Resource ownership.
Virtual address space to hold process image including program, data,
stack, and attributes.
Execution of a process follows a path though the program.
Process switch - An expensive operation due to the need to
save the control data and register contents.
Thread: A dispatchable unit of work within a process.
Interruptible: processor can turn to another thread.
All threads within a process share code and data segments.
Thread switch is usually much less costly than process switch.
13. Multithreading Approaches
Interleaved (fine-grained)
Processor deals with several thread contexts at a time.
Switching thread at each clock cycle (hardware need).
If a thread is blocked, it is skipped.
Hide latency of both short and long pipeline stalls.
Blocked (coarse-grained)
Thread executed until an event causes delay (e.g., cache miss).
Relieves the need to have very fast thread switching.
No slow down for ready-to-go threads.
Simultaneous (SMT)
Instructions simultaneously issued from multiple threads to
execution units of superscalar processor.
Chip multiprocessing
Each processor handles separate threads.
15. Programming for Multi-Core (In Context Of
Multithreading)
There must be many threads or processes:
Multiple applications running on the same machine.
Multi-tasking is becoming very common.
OS software tends to run many threads as a part of its normal
operation.
An application may also have multiple threads.
In most cases, it must be specifically written.
OS scheduler should map the threads to different cores, in
order to balance the work load or to avoid hot spots due to
heat generation.
17. Introduction To GPU
What is GPU?
• It is a processor optimized for 2D/3D graphics, video,
visual computing, and display.
• It is highly parallel, highly multithreaded multiprocessor
optimized for visual computing.
• It provide real-time visual interaction with computed
objects via graphics images, and video.
• It serves as both a programmable graphics processor
and a scalable parallel computing platform.
• Heterogeneous Systems: combine a GPU with a CPU
18. Graphics Processing Unit, Why?
Graphics applications are:
Rendering of 2D or 3D images with complex optical effects;
Highly computation intensive;
Massively parallel;
Data stream based.
General purpose processors (CPU) are:
Designed to handle huge data volumes;
Serial, one operation at a time;
Control flow based;
High flexible, but not very well adapted to graphics.
GPUs are the solutions!
19. GPU Design
Process pixels in parallel
2.3M pixels per frame
lots of work
All pixels are independent
no synchronization
Lots of spatial locality
regular memory access
Great speedups:
Limited only by the amount of hardware
20. GPU Design
2) Focus on throughput, not latency
Each pixel can take a long time……as long as we process
many at the same time.
Great scalability
Lots of simple parallel processors
Low clock speed
21. CPU vs. GPU Architecture
GPUs are throughput-optimized
Each thread may take a long time, but thousands of threads
CPUs are latency-optimized
Each thread runs as fast as possible, but only a few threads
GPUs have hundreds of simple cores
CPUs have a few massive cores
GPUs excel at regular math-intensive work
Lots of ALUs for math, little hardware for control
CPUs excel at irregular control-intensive work
Lots of hardware for control, few ALUs
22. GPU Architecture Features
Massively Parallel, 1000s of processors (today).
Power Efficient:
Fixed Function Hardware = area & power efficient.
Lack of speculation. More processing, less leaky cache.
Memory Bandwidth:
Memory Bandwidth is limited in CPU.
GPU is not dependent on large caches for performance.
Computing power = Frequency * Transistors
GPUs: 1.7X (pixels) to 2.3X (vertices) annual growth.
CPUs: 1.4X annual growth.
24. CUDA
CUDA = Computer Unified Device Architecture.
A scalable parallel programming model and a software
environment for parallel computing.
Threads:
GPU threads are extremely light-weight, with little creation
overhead.
GPU needs 1000s of threads for full efficiency.
Multi-core CPU needed only a few.
GPU/CUDA address all three levels of parallelism:
Thread parallelism;
Data parallelism;
Task parallelism.
25. Summary
All computers are now parallel computers!
Multi-core processors represent an important new trend in
computer architecture.
Decreased power consumption and heat generation.
Minimized wire lengths and interconnect latencies.
They enable true thread-level parallelism with great energy
efficiency and scalability.
Graphics requires a lot of computation and a huge amount
of bandwidth - GPUs.
GPUs are coming to general purpose computing, since they
deliver huge performance with small power.