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Restored reductions tuning

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This commit is contained in:
Philippe Tillet
2014-10-05 06:33:50 +02:00
parent acb7fe73e8
commit 2b97648e24
3 changed files with 17 additions and 3 deletions
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7
autotune/config.ini
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@@ -5,6 +5,11 @@ devices = 0
precision = single, double
size = 5000000
[reduction]
devices = 0
precision = single, double
size = 5000000
[matrix-axpy]
devices = 0
precision = single, double
@@ -18,6 +23,6 @@ size = 2560, 2560
[matrix-product]
devices = 0
precision = single
precision = single, double
layout = NN,NT,TN,TT
size = 1536, 1536, 1536

12
autotune/python/autotune.py
View File

@@ -33,7 +33,7 @@ TYPES = { 'vector-axpy': {'template':vcl.atidlas.VectorAxpyTemplate,
'perf-measure':'GB/s'},
'reduction': {'template':vcl.atidlas.ReductionTemplate,
'perf-index':lambda x: 2*x[0]*x[1][0]*x[1][1]/x[2]*1e-9,
'perf-index':lambda x: 2*x[0]*x[1][0]/x[2]*1e-9,
'perf-measure':'GB/s'},
'row-wise-reduction': {'template':vcl.atidlas.RowWiseReductionTemplate,
@@ -48,7 +48,7 @@ def do_tuning(config_fname, spec_fname, viennacl_root):
config = ConfigObj(config_fname, configspec=spec_fname)
def map_to_list(T, x):
return list(map(T, x if isinstance(x, list) else [x]))
for operation in ['vector-axpy', 'matrix-axpy', 'row-wise-reduction', 'matrix-product']:
for operation in ['vector-axpy', 'matrix-axpy', 'reduction', 'row-wise-reduction', 'matrix-product']:
if operation in config:
p = config[operation]
confdevices = p['devices']
@@ -97,6 +97,14 @@ def do_tuning(config_fname, spec_fname, viennacl_root):
z = vcl.Vector(sizes[0], context=ctx, dtype=datatype)
return execute(device, vcl.Assign(z, vcl.ElementProd(vcl.exp(x + y),vcl.cos(x + y))), (), sizes, fname, parameters)
tune(execution_handler, 50, 10000, lambda : 64*np.random.randint(low=10, high=100000, size=1), ())
#Reduction
if operation=='reduction':
def execution_handler(sizes, fname=os.devnull, parameters=None):
x = vcl.Vector(sizes[0], context=ctx, dtype=datatype)
y = vcl.Vector(sizes[0], context=ctx, dtype=datatype)
s = vcl.Scalar(0, context=ctx, dtype=datatype)
return execute(device, vcl.Assign(s, vcl.Dot(x,y)), (), sizes, fname, parameters)
tune(execution_handler, 50, 10000, lambda : 64*np.random.randint(low=10, high=100000, size=1), ())
#Matrix AXPY
if operation=='matrix-axpy':
def execution_handler(sizes, fname=os.devnull, parameters=None):

1
autotune/python/genetic.py
View File

@@ -44,6 +44,7 @@ class GeneticOperators(object):
self.genome_info = {
vcl.atidlas.VectorAxpyTemplate: [3,4,4,vcl.atidlas.FetchingPolicy],
vcl.atidlas.ReductionTemplate: [3,4,4,vcl.atidlas.FetchingPolicy],
vcl.atidlas.MatrixAxpyTemplate: [3,3,3,3,3,vcl.atidlas.FetchingPolicy],
vcl.atidlas.RowWiseReductionTemplate: [3,3,3,4,vcl.atidlas.FetchingPolicy],
vcl.atidlas.MatrixProductTemplate: [3,3,3,3,3,3,3,vcl.atidlas.FetchingPolicy,vcl.atidlas.FetchingPolicy,3]