Files
sdk/runtime/vm
Ryan Macnak 4e6cd29eef [vm, gc] Mark through new-space.
- Initial and final marking no longer visit all of new-space, reducing the STW pause for major GC.
 - A scavenge during concurrent marking must forward / filter objects in the marking worklist that are moved / collected, increasing the STW pause for minor GC.
 - Unreachable intergenerational cycles and weak references are collected in the next mark-sweep instead of first requiring enough scavenges to promote the whole cycle or weak target into old-space.
 - Artificial minor GCs are no longer needed to avoid memory leaks from back-to-back major GCs.
 - reachabilityBarrier is now just a count of major GCs.

TEST=ci
Change-Id: I1e653c9b5d3e02e45b280302c832157a75788db6
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/345350
Commit-Queue: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Siva Annamalai <asiva@google.com>
2024-01-26 18:58:54 +00:00
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