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PPU LLVM: Re-add multi-threaded overlay module compilation

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Eladash 2023-09-09 13:28:33 +03:00 • committed by Elad Ashkenazi
parent d399bd5b6a
commit b4fc43d787
6 changed files with 172 additions and 70 deletions
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60
Utilities/Thread.h
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@ -694,7 +694,7 @@ class named_thread_group final
{
using Thread = named_thread<Context>;
const u32 m_count;
u32 m_count = 0;
Thread* m_threads;
@ -705,7 +705,7 @@ class named_thread_group final
public:
// Lambda constructor, also the implicit deduction guide candidate
named_thread_group(std::string_view name, u32 count, const Context& f)
named_thread_group(std::string_view name, u32 count, Context&& f) noexcept
: m_count(count)
, m_threads(nullptr)
{
@ -717,14 +717,60 @@ public:
init_threads();
// Create all threads
for (u32 i = 0; i < m_count; i++)
for (u32 i = 0; i < m_count - 1; i++)
{
new (static_cast<void*>(m_threads + i)) Thread(std::string(name) + std::to_string(i + 1), f);
// Copy the context
new (static_cast<void*>(m_threads + i)) Thread(std::string(name) + std::to_string(i + 1), static_cast<const Context&>(f));
}
// Move the context (if movable)
new (static_cast<void*>(m_threads + m_count - 1)) Thread(std::string(name) + std::to_string(m_count - 1), std::forward<Context>(f));
}
// Constructor with a function performed before adding more threads
template <typename CheckAndPrepare>
named_thread_group(std::string_view name, u32 count, Context&& f, CheckAndPrepare&& check) noexcept
: m_count(count)
, m_threads(nullptr)
{
if (count == 0)
{
return;
}
init_threads();
m_count = 0;
// Create all threads
for (u32 i = 0; i < count - 1; i++)
{
// Copy the context
std::remove_cvref_t<Context> context(static_cast<const Context&>(f));
// Perform the check and additional preparations for each context
if (!std::invoke(std::forward<CheckAndPrepare>(check), i, context))
{
return;
}
m_count++;
new (static_cast<void*>(m_threads + i)) Thread(std::string(name) + std::to_string(i + 1), std::move(context));
}
// Move the context (if movable)
std::remove_cvref_t<Context> context(std::forward<Context>(f));
if (!std::invoke(std::forward<CheckAndPrepare>(check), m_count - 1, context))
{
return;
}
m_count++;
new (static_cast<void*>(m_threads + m_count - 1)) Thread(std::string(name) + std::to_string(m_count - 1), std::move(context));
}
// Default constructor
named_thread_group(std::string_view name, u32 count)
named_thread_group(std::string_view name, u32 count) noexcept
: m_count(count)
, m_threads(nullptr)
{
@ -791,10 +837,10 @@ public:
return m_count;
}
~named_thread_group()
~named_thread_group() noexcept
{
// Destroy all threads (it should join them)
for (u32 i = 0; i < m_count; i++)
for (u32 i = m_count - 1; i < m_count; i--)
{
std::launder(m_threads + i)->~Thread();
}