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36
main.cc
36
main.cc
@ -249,6 +249,41 @@ int main(int argc, char **argv) {
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{
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MyTimer t("bin_sections", before_copy);
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#if 1
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typedef std::vector<std::vector<InputSection *>> T;
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auto fn = [&](const tbb::blocked_range<int> &range, const T &init) {
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T vec = init;
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for (int i = range.begin(); i < range.end(); i++) {
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ObjectFile *file = files[i];
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for (InputSection *isec : file->sections) {
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if (!isec)
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continue;
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OutputSection *osec = isec->output_section;
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vec[osec->idx].push_back(isec);
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}
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}
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return vec;
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};
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auto reduce = [](const T &x, const T &y) {
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T ret(x.size());
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for (int i = 0; i < x.size(); i++)
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ret[i] = x[i];
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for (int i = 0; i < x.size(); i++)
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ret[i].insert(ret[i].end(), y[i].begin(), y[i].end());
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return ret;
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};
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std::vector<std::vector<InputSection *>> vec =
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tbb::parallel_reduce(tbb::blocked_range<int>(0, files.size()),
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T(OutputSection::all_instances.size()),
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fn, reduce);
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for (int i = 0; i < vec.size(); i++)
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OutputSection::all_instances[i]->chunks = std::move(vec[i]);
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#else
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for (ObjectFile *file : files) {
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for (InputSection *isec : file->sections) {
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if (!isec)
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@ -257,6 +292,7 @@ int main(int argc, char **argv) {
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osec->chunks.push_back(isec);
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}
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}
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#endif
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}
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{
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11
mold.h
11
mold.h
@ -17,6 +17,7 @@
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#include "tbb/concurrent_unordered_set.h"
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#include "tbb/concurrent_vector.h"
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#include "tbb/parallel_for_each.h"
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#include "tbb/parallel_reduce.h"
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#include "tbb/parallel_sort.h"
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#include "tbb/partitioner.h"
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#include "tbb/task_group.h"
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@ -113,13 +114,6 @@ static void for_each(T &arr, Callable callback) {
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//
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namespace tbb {
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template<>
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struct tbb_hash<StringRef> {
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size_t operator()(const StringRef& k) const {
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return llvm::hash_value(k);
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}
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};
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template<>
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struct tbb_hash_compare<StringRef> {
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static size_t hash(const StringRef& k) {
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@ -293,6 +287,7 @@ public:
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this->name = name;
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shdr.sh_flags = flags;
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shdr.sh_type = type;
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idx = all_instances.size();
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all_instances.push_back(this);
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}
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@ -311,6 +306,8 @@ public:
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}
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std::vector<InputSection *> chunks;
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uint32_t idx;
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static std::vector<OutputSection *> all_instances;
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};
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