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some optimizations for Array{Symbol} #41575

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Jul 21, 2021
Merged

some optimizations for Array{Symbol} #41575

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2 changes: 1 addition & 1 deletion base/summarysize.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -140,7 +140,7 @@ function (ss::SummarySize)(obj::Array)
dsize += length(obj)
end
size += dsize
if !isempty(obj) && (!Base.allocatedinline(T) || (T isa DataType && !Base.datatype_pointerfree(T)))
if !isempty(obj) && T !== Symbol && (!Base.allocatedinline(T) || (T isa DataType && !Base.datatype_pointerfree(T)))
push!(ss.frontier_x, obj)
push!(ss.frontier_i, 1)
end
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2 changes: 2 additions & 0 deletions src/gc.c
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Expand Up @@ -2564,6 +2564,8 @@ mark: {
if (a->data == NULL || jl_array_len(a) == 0)
goto pop;
if (flags.ptrarray) {
if (jl_tparam0(vt) == jl_symbol_type)
goto pop;
size_t l = jl_array_len(a);
uintptr_t nptr = (l << 2) | (bits & GC_OLD);
objary_begin = (jl_value_t**)a->data;
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