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gc: replace comment "a round of GC" to "a GC cycle"

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fleuria
2013-07-24 16:22:38 +08:00
parent c852626ea7
commit 0c0efc16b0
1 changed files with 6 additions and 6 deletions
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src/gc.c
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@@ -42,18 +42,18 @@
There're two white color types in a flip-flop fassion: White-A and White-B,
which respectively represent the Current White color (the newly allocated
objects in the current round of GC) and the Sweep Target White color (the
objects in the current GC cycle) and the Sweep Target White color (the
dead objects to be swept).
A and B will be switched just at the beginning of the next round of GC. At
A and B will be switched just at the beginning of the next GC cycle. At
that time, all the dead objects have been swept, while the newly created
objects in the current round of GC which finally remains White are now
objects in the current GC cycle which finally remains White are now
regarded as dead objects. Instead of traversing all the White-A objects and
paint them as White-B, just switch the meaning of White-A and White-B would
be much cheaper.
As a result, the objects we sweep in the current round of GC are always
left from the previous round of GC. This allows us to sweep objects
As a result, the objects we sweep in the current GC cycle are always
left from the previous GC cycle. This allows us to sweep objects
incrementally, without the disturbance of the newly created objects.
== Execution Timing
@@ -86,7 +86,7 @@
phase, then only sweep the newly created objects, and leave
the Old objects live.
* Major GC - same as a full round of regular GC.
* Major GC - same as a full regular GC cycle.
For details, see the comments for each function.