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solana-with-rpc-optimizations
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Add cuda docs

This commit is contained in:
Michael Vines 2019-06-17 11:00:57 -07:00
parent 2a7a9fdf03
commit 3ee7256c0c
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book/src/testnet-participation.md
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@ -42,6 +42,13 @@ For a performance testnet with many transactions we have some preliminary recomm
| Accounts Drive(s) | None | Samsung 970 Pro 1TB | 2x Samsung 970 Pro 1TB | |
| GPU | 4x Nvidia 1070 or 2x Nvidia 1080 Ti or 2x Nvidia 2070 | 2x Nvidia 2080 Ti | 4x Nvidia 2080 Ti | Any number of cuda-capable GPUs are supported on Linux platforms. |
#### GPU Requirements
CUDA is required to make use of the GPU on your system. The provided Solana
release binaries are built on Ubuntu 18.04 with <a
href="https://developer.nvidia.com/cuda-toolkit-archive">CUDA Toolkit 10.1
update 1"</a>. If your machine is using a different CUDA version then you will
need to rebuild from source.
#### Confirm The Testnet Is Reachable
Before attaching a validator node, sanity check that the cluster is accessible
to your machine by running some simple commands. If any of the commands fail,
@ -115,6 +122,12 @@ $ ./scripts/cargo-install-all.sh .
$ export PATH=$PWD/bin:$PATH
```
If building for CUDA, include the `cuda` feature flag as well:
```bash
$ ./scripts/cargo-install-all.sh . cuda
$ export PATH=$PWD/bin:$PATH
```
### Starting The Validator
Sanity check that you are able to interact with the cluster by receiving a small
airdrop of lamports from the testnet drone:
@ -156,6 +169,17 @@ $ USE_INSTALL=1 ./multinode-demo/clear-config.sh
$ USE_INSTALL=1 ./multinode-demo/validator.sh --identity ~/validator-keypair.json --poll-for-new-genesis-block testnet.solana.com
```
#### Enabling CUDA
By default CUDA is disabled. If your machine has a GPU with CUDA installed,
define the SOLANA_CUDA flag in your environment *before* running any of the
previusly mentioned commands
```bash
$ export SOLANA_CUDA=1
```
When your validator is started look for the following log message to indicate that CUDA is enabled:
`"[<timestamp> solana::validator] CUDA is enabled"`
#### Controlling local network port allocation
By default the validator will dynamically select available network ports in the
8000-10000 range, and may be overridden with `--dynamic-port-range`. For