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Add cuda docs

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This commit is contained in:
Michael Vines
2019-06-17 11:00:57 -07:00
parent 2a7a9fdf03
commit 3ee7256c0c
1 changed files with 24 additions and 0 deletions
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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 | | | 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 | 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 #### Confirm The Testnet Is Reachable
Before attaching a validator node, sanity check that the cluster is accessible 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, 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 $ 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 ### Starting The Validator
Sanity check that you are able to interact with the cluster by receiving a small Sanity check that you are able to interact with the cluster by receiving a small
airdrop of lamports from the testnet drone: 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 $ 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 #### Controlling local network port allocation
By default the validator will dynamically select available network ports in the By default the validator will dynamically select available network ports in the
8000-10000 range, and may be overridden with `--dynamic-port-range`. For 8000-10000 range, and may be overridden with `--dynamic-port-range`. For