EC2 Flashcards

1
Q

What do we have that is very close to AMD Epic Milan

A

hpc6a

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2
Q

What is the difference between hpc6id and hpc6a

A

Amazon EC2 Hpc6id instances are designed for memory-bound and data-intensive high performance computing (HPC) workloads such as finite element analysis (FEA) for crash simulations, seismic reservoir simulations, and structural simulations.

Amazon EC2 Hpc6a instances are optimized for tightly coupled, compute-intensive, high performance computing (HPC) workloads to deliver cost-efficient performance. Hpc6a instances are designed for workloads such as computational fluid dynamics, molecular dynamics, and weather forecasting. They are also designed for workloads that can take advantage of improved network throughput and packet-rate performance.

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3
Q

What are the specs for hpc6id

A

64 cores, 1024 memory, 200Gbps network bw (EFA)

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4
Q

What are the specs for hpc6a

A

96 cores, 384gb memory, 100Gbps network bw (EFA)

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5
Q

What is noteworthy about the c5a instance type

A

It is a Gen2

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6
Q

What instance type should my head node be

A

In practice, your head node does not need to be big at all. You can run a t2 or t3. But when you add features like DCV, means you need to move to a c5l. If you have a lot of nodes using the file share you will likely want to move to a 2xl or 4xl. Keep in mind that network performance impacts EBS and EFS performance. If you had an EBS file share, recommend going up to a 2xl. If I am only adding DCV you can go to a large, maybe xl.

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7
Q

What are some considerations I should make when determining a head and compute node

A

Intel and AMD have compatible instruction sets, so when you build code on an AMD node it will run on Intel as well. What is different about Intel and AMD, is that Intel architectures often carry additional instruction sets that AMD does not. For example AVX512 was not supported on old AMD Epic Milans, but future ones will.

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8
Q

Do we have hpc instance types for Graviton processors

A

Yes, hpc7g

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9
Q

How can I calculate memory per core

A

Total memory and divide by cpu cores

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10
Q

How does price compare for hpc6id and hpc6a

A

hpc6id is almost double the price

hpc6id.32xlarge $6.8544
hpc6a.48xlarge $3.467

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11
Q

What levels of CIS benchmarks do we support and what is the difference between them

A

Level 1: Basic easily implementable configurations designed to lower the attack surface without impacting performance
Level 2: Configuration recommendations that may create system conflicts and are intended to provide “defense in depth” for environments that need enhanced security

We support pre configured CIS AMI’s for Linux, Windows, and MAC

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12
Q

What are specs for hpc7g

A

4xlarge: 16 cores. 128GB RAM 200GB EFA
8xlarge: 32 cores. 128GB RAM 200GB EFA
16xlarge. 64 cores. 128GB RAM 200GB EFA

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13
Q

What is the hpc6id based on

A

3rd Gen Intel Xeon Scalable processors (Ice Lake)

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14
Q

In which regions is hpc6a available

A

Commercial and GovCloud West/East

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15
Q

In which regions is hpc6id available

A

Commercial and GovCloud West only

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16
Q

What is the hpc5a based on

A

2nd Gen AMD EPYC “Rome” 7002 Series Processor

17
Q

What are the specs for the hpc5a

A

96 cores 384GB RAM 100GB EFA

18
Q

What are the specs for the c5a

A

96 vCPUs and up to 192 GiB of memory

19
Q

What are the specs for the c6a and what size should I use

A

4xl is 16CPU and 32GB RAM

But when you add features like DCV, means you need to move to a c5l. If you have a lot of nodes using the file share you will likely want to move to a 2xl or 4xl. Keep in mind that network performance impacts EBS and EFS performance. If you had an EBS file share, recommend going up to a 2xl. If I am only adding DCV you can go to a large, maybe xl.