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Add profile-guided optmization of mtasks (#3150).

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This commit is contained in:
Wilson Snyder
2021-09-26 22:51:11 -04:00
parent def7c8fe4d
commit 9029da5ab8
30 changed files with 676 additions and 20 deletions
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include/verilated.cpp
+11
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@@ -2258,6 +2258,7 @@ VerilatedContext::VerilatedContext()
Verilated::lastContextp(this);
Verilated::threadContextp(this);
m_ns.m_profThreadsFilename = "profile_threads.dat";
m_ns.m_profVltFilename = "profile.vlt";
m_fdps.resize(31);
std::fill(m_fdps.begin(), m_fdps.end(), static_cast<FILE*>(nullptr));
m_fdFreeMct.resize(30);
@@ -2340,6 +2341,14 @@ std::string VerilatedContext::profThreadsFilename() const VL_MT_SAFE {
const VerilatedLockGuard lock{m_mutex};
return m_ns.m_profThreadsFilename;
}
void VerilatedContext::profVltFilename(const std::string& flag) VL_MT_SAFE {
const VerilatedLockGuard lock{m_mutex};
m_ns.m_profVltFilename = flag;
}
std::string VerilatedContext::profVltFilename() const VL_MT_SAFE {
const VerilatedLockGuard lock{m_mutex};
return m_ns.m_profVltFilename;
}
void VerilatedContext::randReset(int val) VL_MT_SAFE {
const VerilatedLockGuard lock{m_mutex};
m_s.m_randReset = val;
@@ -2495,6 +2504,8 @@ void VerilatedContextImp::commandArgVl(const std::string& arg) {
profThreadsWindow(std::atol(value.c_str()));
} else if (commandArgVlValue(arg, "+verilator+prof+threads+file+", value /*ref*/)) {
profThreadsFilename(value);
} else if (commandArgVlValue(arg, "+verilator+prof+vlt+file+", value /*ref*/)) {
profVltFilename(value);
} else if (commandArgVlValue(arg, "+verilator+rand+reset+", value /*ref*/)) {
randReset(std::atoi(value.c_str()));
} else if (commandArgVlValue(arg, "+verilator+seed+", value /*ref*/)) {