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Add genome hash

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This commit is contained in:
Steven Robertson 2012-05-20 13:04:20 -07:00
parent 909643c3b4
commit 3666d4bee8
1 changed files with 13 additions and 0 deletions
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13
cuburn/genome/util.py
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@ -1,5 +1,6 @@
import base64 import base64
import numpy as np import numpy as np
from hashlib import sha1
from cuburn.code.util import crep from cuburn.code.util import crep
import spectypes import spectypes
@ -51,6 +52,18 @@ def unflatten(dct):
go(out, k.split('.'), v) go(out, k.split('.'), v)
return out return out
def hash(gnm):
"""
Produce a genome hash. Genome hashes only consider parameters that affect
compilation; if two genomes has equally, their iteration kernels may be
shared.
"""
# For now, this has to be kept in sync with the code manually. This is
# easy, since the only thing which we depend on when compiling is the
# presence or absence of certain keys, but enumerated parameters may play
# into it at some point in the future.
return sha1('\n'.join(flatten(gnm).keys())).hexdigest()
def resolve_spec(sp, path): def resolve_spec(sp, path):
for name in path: for name in path:
if isinstance(sp, spectypes.Map): if isinstance(sp, spectypes.Map):