Jack Grigg
215b9e139d
Use std::shared_ptr to deallocate partialSolns automatically
2016-07-23 00:31:47 +12:00
Jack Grigg
1655db285d
Move initialisations to simplify cancelled checks
2016-07-22 23:54:14 +12:00
Jack Grigg
5a360a5c6a
Fix segfault by indirectly monitoring chainActive.Tip(), locking on mutex
2016-07-21 19:34:21 +12:00
Jack Grigg
5b4ebcd5e2
Add tests that exercise the cancellation code branches
2016-07-21 16:39:32 +12:00
Jack Grigg
2dbabb1159
Make Equihash solvers cancellable
...
The miner only cancels the solver when chainActive.Tip() changes.
Closes #1055
2016-07-20 19:17:02 +12:00
Jack Grigg
1bb40a42c2
Collect all permutations of final solutions
2016-07-19 23:11:49 +12:00
Jack Grigg
d151ab4fea
Only compare the first n/(k+1) bits when sorting
2016-06-21 15:53:47 +12:00
Jack Grigg
09e9a329b7
Tweaks after review
2016-06-14 09:41:03 +12:00
Jack Grigg
933cb4cd9f
Use htole32 and htobe32 for endian conversions
2016-06-11 16:52:02 +12:00
Jack Grigg
a6dcf2ee6f
Use little-endian for hash personalisation and hashing indices
...
The test vectors have been regenerated using the basic solver.
2016-06-11 16:28:57 +12:00
Jack Grigg
d07cf62991
Speed up FullStepRow index comparison by leveraging big-endian byte layout
2016-06-11 16:28:57 +12:00
Jack Grigg
ae37d2a4cd
Increase Equihash parameters to n = 96, k = 3 (about 430 MiB)
...
Includes a tweak to set the fixed-width of the rows based on whether the first
or last round is widest. This is necessary for some parameters, these ones
included.
2016-06-11 12:15:25 +12:00
Jack Grigg
0a66f01304
Use depth-first scan for eliminating partial solutions instead of breadth-first
...
This reduces the peak number of lists in-memory from 2^k to k, and enables the
solver to eliminate most duplicates before it has instantiated the full set of
leaves.
2016-06-03 17:00:03 +12:00
Jack Grigg
447444ae7a
Fix nits after review
2016-06-01 23:15:04 +12:00
Jack Grigg
d4d76536a5
Use fixed-width array for storing hash and indices
2016-05-24 23:16:53 +12:00
Jack Grigg
29d9986c83
Store full indices in the same char* as the hash
2016-05-24 23:16:52 +12:00
Jack Grigg
639c40047f
Use comparator object for sorting StepRows
2016-05-24 23:16:52 +12:00
Jack Grigg
a683cc85d9
Merge *StepRow XOR and trimming operations
2016-05-24 23:16:52 +12:00
Jack Grigg
e95747288a
Use template parameters to statically initialise Equihash
2016-05-24 23:16:50 +12:00
Jack Grigg
39f5cb35f9
Store truncated indices in the same char* as the hash (H/T tromp for the idea!)
2016-05-24 12:02:46 +12:00
Jack Grigg
c92c1f6050
Implement index-truncation Equihash optimisation
2016-05-24 12:02:46 +12:00
Jack Grigg
6afef0dd6d
Cleanups
2016-05-24 12:02:46 +12:00
Jack Grigg
a3361e778b
Refactor StepRow to make optimisation easier
2016-05-24 12:02:08 +12:00
Taylor Hornby
675e17022f
Use left shift instead of floating-point pow() in equihash.
2016-05-18 11:22:29 -06:00
Jack Grigg
6d25662f25
Implement validator and basic solver for Equihash
2016-04-08 13:56:00 +12:00
