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Backport #45727 and a patch to make it work #45938

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merged 2 commits into from
Jul 5, 2022
Merged

Backport #45727 and a patch to make it work #45938

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f86dd3c
Bug fix for `max_collect_interval` computation (#45727)
kpamnany Jun 21, 2022
42db85f
Move GC init after threading init
kpamnany Jul 5, 2022
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4 changes: 2 additions & 2 deletions src/gc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3410,12 +3410,12 @@ void jl_gc_init(void)
gc_num.allocd = 0;

#ifdef _P64
// on a big memory machine, set max_collect_interval to totalmem / ncores / 2
// on a big memory machine, set max_collect_interval to totalmem / nthreads / 2
uint64_t total_mem = uv_get_total_memory();
uint64_t constrained_mem = uv_get_constrained_memory();
if (constrained_mem > 0 && constrained_mem < total_mem)
total_mem = constrained_mem;
size_t maxmem = total_mem / jl_cpu_threads() / 2;
size_t maxmem = total_mem / jl_n_threads / 2;
if (maxmem > max_collect_interval)
max_collect_interval = maxmem;
#endif
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2 changes: 1 addition & 1 deletion src/init.c
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Expand Up @@ -686,10 +686,10 @@ JL_DLLEXPORT void julia_init(JL_IMAGE_SEARCH rel)
}

jl_init_runtime_ccall();
jl_gc_init();
jl_init_tasks();
jl_init_threading();

jl_gc_init();
jl_ptls_t ptls = jl_init_threadtls(0);
// warning: this changes `jl_current_task`, so be careful not to call that from this function
jl_task_t *ct = jl_init_root_task(ptls, stack_lo, stack_hi);
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