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xo-alloc: alter GC to use LinearAlloc directly - retire ListAlloc

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This commit is contained in:
Roland Conybeare 2025-08-12 13:14:01 -05:00
commit 2ec5072092
3 changed files with 29 additions and 24 deletions
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24
src/alloc/GC.cpp
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@ -66,14 +66,14 @@ namespace xo {
std::size_t tenured_size = config.initial_tenured_z_;
nursery_[role2int(role::from_space)]
= ListAlloc::make("NA", nursery_size, 2 * nursery_size, config.debug_flag_);
= ArenaAlloc::make("NA", nursery_size, config.debug_flag_);
nursery_[role2int(role::to_space) ]
= ListAlloc::make("NB", nursery_size, 2 * nursery_size, config.debug_flag_);
= ArenaAlloc::make("NB", nursery_size, config.debug_flag_);
tenured_[role2int(role::from_space)]
= ListAlloc::make("TA", tenured_size, 2 * tenured_size, config.debug_flag_);
= ArenaAlloc::make("TA", tenured_size, config.debug_flag_);
tenured_[role2int(role::to_space) ]
= ListAlloc::make("TB", tenured_size, 2 * tenured_size, config.debug_flag_);
= ArenaAlloc::make("TB", tenured_size, config.debug_flag_);
mutation_log_[role2int(role::from_space)] = std::make_unique<MutationLog>();
mutation_log_[role2int(role::to_space)] = std::make_unique<MutationLog>();
@ -444,7 +444,7 @@ namespace xo {
void
GC::swap_nursery()
{
up<ListAlloc> tmp = std::move(nursery_[role2int(role::to_space)]);
up<ArenaAlloc> tmp = std::move(nursery_[role2int(role::to_space)]);
nursery_[role2int(role::to_space)] = std::move(nursery_[role2int(role::from_space)]);
nursery_[role2int(role::from_space)] = std::move(tmp);
}
@ -452,7 +452,7 @@ namespace xo {
void
GC::swap_tenured()
{
up<ListAlloc> tmp = std::move(tenured_[role2int(role::to_space)]);
up<ArenaAlloc> tmp = std::move(tenured_[role2int(role::to_space)]);
tenured_[role2int(role::to_space)] = std::move(tenured_[role2int(role::from_space)]);
tenured_[role2int(role::from_space)] = std::move(tmp);
}
@ -496,9 +496,9 @@ namespace xo {
log && log(xtag("avail_tenured_z", avail_tenured_z));
if (avail_tenured_z < max_promote_z) {
ListAlloc * tenured_to = this->tenured_to();
ArenaAlloc * tenured_to = this->tenured_to();
tenured_to->expand(max_promote_z, tenured_to->name() + "+");
tenured_to->expand(max_promote_z);
}
}
@ -516,13 +516,13 @@ namespace xo {
this->swap_mutation_log();
ListAlloc * N_from = nursery(role::from_space);
ArenaAlloc * N_from = nursery(role::from_space);
log && log(xtag("nursery.from", N_from->name()), xtag("size", N_from->size()));
ListAlloc * N_to = nursery(role::to_space);
ArenaAlloc * N_to = nursery(role::to_space);
log && log(xtag("nursery.to", N_to->name()), xtag("size", N_to->size()));
ListAlloc * T_from = tenured(role::from_space);
ArenaAlloc * T_from = tenured(role::from_space);
log && log(xtag("tenured.from", T_from->name()), xtag("size", T_from->size()));
ListAlloc * T_to = tenured(role::to_space);
ArenaAlloc * T_to = tenured(role::to_space);
log && log(xtag("tenured.to", T_to->name()), xtag("size", T_to->size()));
} /*swap_spaces*/