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add info about RANDOMX_FLAG_SECURE required for macos #171

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merged 3 commits into from
Jan 24, 2025
Merged

add info about RANDOMX_FLAG_SECURE required for macos #171

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e529ab1
add info about RANDOMX_FLAG_SECURE required for macos
pigmej Nov 26, 2024
b34b175
flag is only for AppleSilicon
pigmej Nov 26, 2024
f149cbb
Merge branch 'main' into randomx_secure_flag
pigmej Jan 23, 2025
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10 changes: 9 additions & 1 deletion docs/start/smeshing/smeshing_adv/performance.md
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Expand Up @@ -83,11 +83,19 @@ Setting k3 to 0 is safe to use on **only on the private** nodes because the **pu
:::
##### RandomX Fast mode

To improve ATX verification speed on **public** nodes you can use the following setting. It will roughly require an additional 2 GiB of RAM per node that is only used during ATX verification.
To improve ATX verification speed on your nodes you can use the following setting. It will require roughly additional 2GB of RAM per node used only during ATX verification.

```json
"smeshing":
{ "smeshing-verifying-opts": { "smeshing-opts-verifying-powflags": 14 } }
```


Please note that when running on MacOS AppleSilicon, it is additionally required to set the `SECURE_JIT` flag in RandomX (based on this [upstream info](https://github.com/tevador/RandomX/issues/293)). This means that the actual setting for Mac-based systems is:

```json
"smeshing":
{ "smeshing-verifying-opts": { "smeshing-opts-verifying-powflags": 30 } }
```

If you have spare RAM on the private nodes then this setting is safe to set there too. However, please remember about the requirement of **2 GiB extra memory** per node.
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