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don't set affinity to single CPU by default

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This commit is contained in:
Darren Ranalli 2009-01-28 04:43:31 +00:00
parent 88361cfc34
commit 38d262b7ba
1 changed files with 7 additions and 1 deletions
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8
direct/src/showbase/ShowBase.py
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@ -272,15 +272,21 @@ class ShowBase(DirectObject.DirectObject):
# - client-cpu-affinity-mask config # - client-cpu-affinity-mask config
# - pcalt-# (# is CPU number, 0-based) # - pcalt-# (# is CPU number, 0-based)
# - client-cpu-affinity config # - client-cpu-affinity config
# - auto-single-cpu-affinity config
affinityMask = self.config.GetInt('client-cpu-affinity-mask', -1) affinityMask = self.config.GetInt('client-cpu-affinity-mask', -1)
if affinityMask != -1: if affinityMask != -1:
TrueClock.getGlobalPtr().setCpuAffinity(affinityMask) TrueClock.getGlobalPtr().setCpuAffinity(affinityMask)
else: else:
# this is useful on machines that perform better with each process
# assigned to a single CPU
autoAffinity = self.config.GetBool('auto-single-cpu-affinity', 0)
affinity = None affinity = None
if 'clientIndex' in __builtin__.__dict__: if autoAffinity and ('clientIndex' in __builtin__.__dict__):
affinity = abs(int(__builtin__.clientIndex)) affinity = abs(int(__builtin__.clientIndex))
else: else:
affinity = self.config.GetInt('client-cpu-affinity', -1) affinity = self.config.GetInt('client-cpu-affinity', -1)
if (affinity in (None, -1)) and autoAffinity:
affinity = 0
if affinity not in (None, -1): if affinity not in (None, -1):
# Windows XP supports a 32-bit affinity mask # Windows XP supports a 32-bit affinity mask
TrueClock.getGlobalPtr().setCpuAffinity(1 << (affinity % 32)) TrueClock.getGlobalPtr().setCpuAffinity(1 << (affinity % 32))