mirror of
https://github.com/JayDDee/cpuminer-opt.git
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81 lines
2.7 KiB
Plaintext
81 lines
2.7 KiB
Plaintext
Quickstart:
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----------
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First time mining verthash or don't have a Verthash data file:
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--algo verthash --verify --url ...
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Verthash data file already exists:
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--algo verthash --data-file /path/to/verthash.dat --url ...
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Background:
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----------
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Verthash algorithm requires a data file for hashing. This file is
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static, portable, and only needs to be created once.
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A Verthash data file created by VerthashMiner can also be used by cpuminer-opt
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and used simultaneously by both miners.
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Due to its size >1GB it is recommened one data file be created and
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stored in a permanent location accessible to any miner that wants to use it.
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New command line options:
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------------------------
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cpuminer-opt adds two new command line options for verthash. The names
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and some behaviour is changed from VerthashMiner.
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--data-file /path/to/verthash.dat
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default when not used is verthash.dat in current working directory.
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--verify
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verify integrity of file specified by --data-file, or if not specified
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the default data file if it exists, or create a default file and verify it
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if one does not yet exist. Data file verification is disabled by default.
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Detailed usage:
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--------------
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If a data file already exists it can be selected using the --data-file
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option to specify the path and name of the file.
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--algo verthash --datafile /path/to/verthash.dat --url ...
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If the --data-file option is not used the default is to use 'verthash.dat'
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from the current working directory.
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If no data file exists it can be created by using the --verify option
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without the --data-file option. If the default data file is not found in
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the current directory it will be created.
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--algo verthash --verify --url ...
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Data file creation can take up to 30 minutes on a spinning hard drive.
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Once created the new data file will be verified and used immediately
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if a valid url and user were included on the command line.
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A default data file can be created by ommitting the url option. That will
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either verify an existing default data file or create one and verify it,
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then exit.
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--algo verthash --verify
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A data file will never be created if --data-file is specified. The miner
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will exit with an error if the file is not found. This is to avoid accidentally
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creating an unwanted data file due to a typo.
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After creation the data file can moved to a more convenient location and
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referenced by --data-file, or left where it is and used by default without the
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--data-file option.
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Data file verification takes a few seconds and is disabled by default.
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VerthashMiner enables data file verification by default and has an option to
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disable it.
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The --verify option is intended primarily to create a new file. It's
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not necessary or useful to verify a file every time the miner is started.
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