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Limit the maximum number of separate xf buffers

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This commit is contained in:
Steven Robertson
2012-01-22 23:52:09 -05:00
parent 45b75d3fa5
commit c054c757bd
2 changed files with 11 additions and 6 deletions
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7
cuburn/render.py
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@ -54,6 +54,12 @@ class Renderer(object):
# Accumulation mode. Leave it at 'atomic' for now.
acc_mode = 'atomic'
# At most this many separate buffers for xforms will be allocated, after
# which further xforms will wrap to the first when writing. Currently it
# is compiled in, so power-of-two and no runtime maximization. Current
# value of 16 fits into a 1GB card at 1080p.
max_nxf = 16
# TODO
chaos_used = False
@ -186,6 +192,7 @@ class Renderer(object):
nbins = astride * aheight
nxf = len(filter(lambda g: g != 'final', genome.xforms))
nxf = min(nxf, self.max_nxf)
d_accum = cuda.mem_alloc(16 * nbins * nxf)
d_out = cuda.mem_alloc(16 * nbins)
if self.acc_mode == 'atomic':