Configuration and command-line options

Work in progress!

Config-file and CLI options

algorithm

Allows choosing between the few mining algorithms for incompatible cryptocurrencies.

If specified in a pool section in the configuration file, sets the option for that pool only. Otherwise sets the default.

Argument: string

Default: scrypt

Supported:

adaptive-n-factor - Vertcoin-style adaptive N-factor scrypt. N-factor defaults to 11. Aliases: adaptive-nfactor (to be removed in future versions) and nscrypt.
scrypt - Litecoin-style static N-factor scrypt.
everything else - currently defaults to scrypt, subject to change without warning.

nfactor

Overrides the default scrypt parameter N, specified as the factor of 2 (N = 2^nfactor).

If specified in a pool section in the configuration file, sets the option for that pool only. Otherwise sets the default.

Argument: whole number (>1).

Default: depends on algorithm; otherwise 10.

hamsi-expand-big

Sets SPH_HAMSI_EXPAND_BIG for X13 algorithms. Values "4" and "1" are commonly used. Changing this may improve hashrate. Which value is better depends on GPU type and even manufacturer (i.e. exact GPU model).

Argument: "4" or "1" Default: "4"

Pool-specific configuration

If you use any of these options for a pool, then you must set that option for every pool. This is necessary due to current poor implementation of sgminer config parser.

Options that can be configured have a pool- prefix and work the same as the global settings:

pool-algorithm
pool-nfactor
pool-intensity
pool-xintensity
pool-rawintensity
pool-gpu-engine
pool-gpu-memclock
pool-gpu-threads
pool-thread-concurrency
pool-gpu-fan

CLI-only options

TODO

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