Doom
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      In addition to the standard gfm syntax, Doom includes some additional Markdown extension features.

      TOC

      CalloutsMermaid

      Callouts

      Source code annotation component

      Note
      1. Please use inline code comments according to the actual language, such as ;, %, #, //, /** */, --, and <!-- -->, etc.
      2. If you want to treat them as code comments, use [\!code callout] for escaping.
      3. Sometimes, :::callouts may display abnormally due to nested indentation; you can use <div class="doom-callouts"> or the <Callouts> component instead.
      ```sh
Memory overhead per virtual machine ≈ (1.002 × requested memory) \
              + 218 MiB \  # [!code callout]
              + 8 MiB × (number of vCPUs) \  # [!code callout]
              + 16 MiB × (number of graphics devices) \  # [!code callout]
              + (additional memory overhead) # [!code callout]
```

:::callouts

1. Required for the processes that run in the `virt-launcher` pod.
2. Number of virtual CPUs requested by the virtual machine.
3. Number of virtual graphics cards requested by the virtual machine.
4. Additional memory overhead:
   - If your environment includes a Single Root I/O Virtualization (SR-IOV) network device or a Graphics Processing Unit (GPU), allocate 1 GiB additional memory overhead for each device.
   - If Secure Encrypted Virtualization (SEV) is enabled, add 256 MiB.
   - If Trusted Platform Module (TPM) is enabled, add 53 MiB.

:::
      Memory overhead per virtual machine ≈ (1.002 × requested memory) \
              + 218 MiB \  
              + 8 MiB × (number of vCPUs) \  
              + 16 MiB × (number of graphics devices) \  
              + (additional memory overhead)
      1. Required for the processes that run in the virt-launcher pod.
      2. Number of virtual CPUs requested by the virtual machine.
      3. Number of virtual graphics cards requested by the virtual machine.
      4. Additional memory overhead:
        • If your environment includes a Single Root I/O Virtualization (SR-IOV) network device or a Graphics Processing Unit (GPU), allocate 1 GiB additional memory overhead for each device.
        • If Secure Encrypted Virtualization (SEV) is enabled, add 256 MiB.
        • If Trusted Platform Module (TPM) is enabled, add 53 MiB.

      For more source code transformation features, please refer to Shiki Transformers.

      Mermaid

      Chart drawing tool

      ```mermaid
graph TD;
    A-->B;
    A-->C;
    B-->D;
    C-->D;
```

      With Markdown Preview Mermaid, you can preview in real-time in VSCode.