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76 lines
2.7 KiB
Markdown
76 lines
2.7 KiB
Markdown
# CPU backend
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All CPU related settings contains in one `cpu` object in config file, CPU backend allow specify multiple profiles and allow switch between them without restrictions by pool request or config change. Default auto-configuration create reasonable minimum of profiles which cover all supported algorithms.
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### Example
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Example below demonstrate all primary ideas of flexible profiles configuration:
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* `"rx/wow"` Exact match to algorithm `rx/wow`, defined 4 threads without CPU affinity.
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* `"cn"` Default failback profile for all `cn/*` algorithms, defined 2 threads with CPU affinity, another failback profiles is `cn-lite`, `cn-heavy` and `rx`.
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* `"cn-lite"` Default failback profile for all `cn-lite/*` algorithms, defined 2 double threads with CPU affinity.
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* `"custom-profile"` Custom user defined profile.
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* `"*"` Failback profile for all unhandled by other profiles algorithms.
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* `"cn/r"` Exact match, alias to profile `custom-profile`.
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* `"cn/0"` Exact match, disabled algorithm.
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```json
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{
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"cpu": {
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"enabled": true,
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"huge-pages": true,
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"hw-aes": null,
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"priority": null,
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"asm": true,
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"rx/wow": [
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-1,
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-1,
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-1,
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-1,
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],
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"cn": [
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0,
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2
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],
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"cn-lite": [
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{
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"intensity": 2,
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"affinity": 0
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},
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{
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"intensity": 2,
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"affinity": 2
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}
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],
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"custom-profile": [
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0,
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2,
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],
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"*": [
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-1
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],
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"cn/r": "custom-profile",
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"cn/0": false
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}
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}
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```
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### Intensity
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This option was known as `low_power_mode`, possible values is range from 1 to 5, for convinient if value 1 used, possible omit this option and specify CPU thread config by only one number: CPU affinity, instead of object.
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## Shared options
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#### `enabled`
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Enable (`true`) or disable (`false`) CPU backend, by default `true`.
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#### `huge-pages`
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Enable (`true`) or disable (`false`) huge pages support, by default `true`.
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#### `hw-aes`
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Force enable (`true`) or disable (`false`) hardware AES support. Default value `null` means miner autodetect this feature. Usually don't need change this option, this option useful for some rare cases when miner can't detect hardware AES, but it available. If you force enable this option, but your hardware not support it, miner will crash.
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#### `priority`
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Mining threads priority, value from `1` (lowest priority) to `5` (highest possible priority). Default value `null` means miner don't change threads priority at all.
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#### `asm`
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Enable/configure or disable ASM optimizations. Possible values: `true`, `false`, `"intel"`, `"ryzen"`, `"bulldozer"`.
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