This is the new *CloudFormation Template Reference Guide*. Please update your bookmarks and links. For help getting started with CloudFormation, see the [AWS CloudFormation User Guide](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/Welcome.html).
# AWS::EC2::LaunchTemplate CpuOptions

Specifies the CPU options for an instance. For more information, see [Optimize CPU options](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instance-optimize-cpu.html) in the *Amazon Elastic Compute Cloud User Guide*.
`CpuOptions` is a property of [AWS::EC2::LaunchTemplate LaunchTemplateData](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ec2-launchtemplate-launchtemplatedata.html).
## Syntax

To declare this entity in your CloudFormation template, use the following syntax:
### JSON

```
{
 "[AmdSevSnp](#cfn-ec2-launchtemplate-cpuoptions-amdsevsnp)" : {{String}},
 "[CoreCount](#cfn-ec2-launchtemplate-cpuoptions-corecount)" : {{Integer}},
 "[NestedVirtualization](#cfn-ec2-launchtemplate-cpuoptions-nestedvirtualization)" : {{String}},
 "[ThreadsPerCore](#cfn-ec2-launchtemplate-cpuoptions-threadspercore)" : {{Integer}}
}
```
### YAML

```
 [AmdSevSnp](#cfn-ec2-launchtemplate-cpuoptions-amdsevsnp): {{String}}
 [CoreCount](#cfn-ec2-launchtemplate-cpuoptions-corecount): {{Integer}}
 [NestedVirtualization](#cfn-ec2-launchtemplate-cpuoptions-nestedvirtualization): {{String}}
 [ThreadsPerCore](#cfn-ec2-launchtemplate-cpuoptions-threadspercore): {{Integer}}
```
## Properties

`AmdSevSnp` 
Indicates whether to enable the instance for AMD SEV-SNP. AMD SEV-SNP is supported with M6a, R6a, and C6a instance types only. For more information, see [AMD SEV-SNP for Amazon EC2 instances](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/sev-snp.html). 
*Required*: No 
*Type*: String 
*Allowed values*: `enabled | disabled` 
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)
`CoreCount` 
The number of CPU cores for the instance. 
*Required*: No 
*Type*: Integer 
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)
`NestedVirtualization` 
Indicates whether the instance is enabled for nested virtualization. 
*Required*: No 
*Type*: String 
*Allowed values*: `enabled | disabled` 
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)
`ThreadsPerCore` 
The number of threads per CPU core. To disable multithreading for the instance, specify a value of `1`. Otherwise, specify the default value of `2`. 
*Required*: No 
*Type*: Integer 
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)
## See also

+ [Optimize CPU options](https://docs.aws.amazon.com//AWSEC2/latest/UserGuide/instance-optimize-cpu.html) in the *Amazon EC2 User Guide*.</div><div class="naked_ctrl">
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