The 5 main components[¹] The Xeon Phi is made up 32 tiles. Each of these tiles is made up with 5 main components 1) Front-end unit a) Handles fetching and decoding instructions
The 5 main components[¹] The Xeon Phi is made up 32 tiles. Each of these tiles is made up with 5 main components 1) Front-end unit a) Handles fetching and decoding instructions
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Explain briefly of each:
![The 5 main components[¹]
The Xeon Phi is made up 32 tiles. Each of these tiles is made up with 5 main
components
1) Front-end unit
2)
3) Integer Execution Unit
a) Handles fetching and decoding instructions
Allocation unit
a) Assigns necessary pipelines resources
a) Executes integer micro-ops
4) Memory Execution Unit
a) Executes Memory micro-ops, as well as instruction cache misses
5) Vector processing unit
a) Executes floating-point and integer division instructions](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F08d25f23-166a-408c-9fb9-0fb0ff7d715a%2F1ca584df-3c67-4b56-9cf9-2bd5f0d9a0d4%2Fyx1ffmk_processed.png&w=3840&q=75)
Transcribed Image Text:The 5 main components[¹]
The Xeon Phi is made up 32 tiles. Each of these tiles is made up with 5 main
components
1) Front-end unit
2)
3) Integer Execution Unit
a) Handles fetching and decoding instructions
Allocation unit
a) Assigns necessary pipelines resources
a) Executes integer micro-ops
4) Memory Execution Unit
a) Executes Memory micro-ops, as well as instruction cache misses
5) Vector processing unit
a) Executes floating-point and integer division instructions
Expert Solution
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Step 1
1)Front-end unit details
- 32kbyte instruction cache.
- 48-entry TLB instruction.
- Double edition(Dual Issue).
- Translates CISC instructions into RISC instructions (aka micro-ops).
- Uses a gskew-style branch predictor (more on that in the next slide).
- Micro-ops are placed in a 32-entry instruction queue for the allocation unit.
3)Allocation unit
- Loads two microoperations from the instruction queue at once.
- Allocates the following resources required by micro-operations.
Reorder buffer entries (72).
Rename cache entries (72).
Storing data buffers (16).
Collection and Scatter Table Entries (4).
Reservation station records. - All of these are known except for the entries in the collection-dispersion table.
Large data vectors are ideally stored in contiguous memory, but this cannot be guaranteed.
Collect-scatter entries point to blocks of memory to be used as buffers for data that is scattered in memory.
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