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Thread pool rewrite (#5161)

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Signed-off-by: Krzysztof Bieganski <[email protected]>
Signed-off-by: Bartłomiej Chmiel <[email protected]>
Signed-off-by: Arkadiusz Kozdra <[email protected]>
Co-authored-by: Krzysztof Bieganski <[email protected]>
Co-authored-by: Arkadiusz Kozdra <[email protected]>
Co-authored-by: Wilson Snyder <[email protected]>
This commit is contained in:
Bartłomiej Chmiel
2024-08-23 08:36:49 -04:00
committed by GitHub
co-authored by Krzysztof Bieganski Arkadiusz Kozdra Wilson Snyder
parent eb8bbcda05
commit ffe76717c6
117 changed files with 1188 additions and 1845 deletions
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src/V3EmitCImp.cpp
+13 -12
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@@ -143,7 +143,7 @@ class EmitCGatherDependencies final : VNVisitorConst {
}
public:
static const std::set<std::string> gather(AstCFunc* cfuncp) {
static const std::set<std::string> gather(AstCFunc* cfuncp) VL_MT_STABLE {
const EmitCGatherDependencies visitor{cfuncp};
return std::move(visitor.m_dependencies);
}
@@ -562,7 +562,8 @@ class EmitCImp final : EmitCFunc {
~EmitCImp() override = default;
public:
static void main(const AstNodeModule* modp, bool slow, std::deque<AstCFile*>& cfilesr) {
static void main(const AstNodeModule* modp, bool slow,
std::deque<AstCFile*>& cfilesr) VL_MT_STABLE {
EmitCImp{modp, slow, cfilesr};
}
};
@@ -977,7 +978,7 @@ void V3EmitC::emitcImp() {
// Make parent module pointers available.
const EmitCParentModule emitCParentModule;
std::list<std::deque<AstCFile*>> cfiles;
std::list<std::future<void>> futures;
V3ThreadScope threadScope;
// Process each module in turn
for (const AstNode* nodep = v3Global.rootp()->modulesp(); nodep; nodep = nodep->nextp()) {
@@ -985,29 +986,29 @@ void V3EmitC::emitcImp() {
const AstNodeModule* const modp = VN_AS(nodep, NodeModule);
cfiles.emplace_back();
auto& slowCfilesr = cfiles.back();
futures.push_back(V3ThreadPool::s().enqueue(
[modp, &slowCfilesr]() { EmitCImp::main(modp, /* slow: */ true, slowCfilesr); }));
threadScope.enqueue(
[modp, &slowCfilesr] { EmitCImp::main(modp, /* slow: */ true, slowCfilesr); });
cfiles.emplace_back();
auto& fastCfilesr = cfiles.back();
futures.push_back(V3ThreadPool::s().enqueue(
[modp, &fastCfilesr]() { EmitCImp::main(modp, /* slow: */ false, fastCfilesr); }));
threadScope.enqueue(
[modp, &fastCfilesr] { EmitCImp::main(modp, /* slow: */ false, fastCfilesr); });
}
// Emit trace routines (currently they can only exist in the top module)
if (v3Global.opt.trace() && !v3Global.opt.lintOnly()) {
cfiles.emplace_back();
auto& slowCfilesr = cfiles.back();
futures.push_back(V3ThreadPool::s().enqueue([&slowCfilesr]() {
threadScope.enqueue([&slowCfilesr] {
EmitCTrace::main(v3Global.rootp()->topModulep(), /* slow: */ true, slowCfilesr);
}));
});
cfiles.emplace_back();
auto& fastCfilesr = cfiles.back();
futures.push_back(V3ThreadPool::s().enqueue([&fastCfilesr]() {
threadScope.enqueue([&fastCfilesr] {
EmitCTrace::main(v3Global.rootp()->topModulep(), /* slow: */ false, fastCfilesr);
}));
});
}
// Wait for futures
V3ThreadPool::waitForFutures(futures);
threadScope.wait();
for (const auto& collr : cfiles) {
for (const auto cfilep : collr) v3Global.rootp()->addFilesp(cfilep);
}