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JobSystem: replace TLS with tid mapping.

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This commit is contained in:
Philip Rideout
2020-04-02 12:20:05 -07:00
parent e072e30841
commit c79f5a1a29
4 changed files with 24 additions and 27 deletions
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11
libs/utils/include/utils/JobSystem.h
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@@ -24,6 +24,8 @@
#include <thread>
#include <vector>
#include <tsl/robin_map.h>
#include <utils/Allocator.h>
#include <utils/architecture.h>
#include <utils/compiler.h>
@@ -32,7 +34,6 @@
#include <utils/memalign.h>
#include <utils/Mutex.h>
#include <utils/Slice.h>
#include <utils/ThreadLocal.h>
#include <utils/WorkStealingDequeue.h>
namespace utils {
@@ -88,10 +89,6 @@ public:
void emancipate();
// return the JobSystem this thread is associated with. nullptr if this thread is not
// part of a Jobsystem.
static JobSystem* getJobSystem() noexcept;
// If a parent is not specified when creating a job, that job will automatically take the
// master job as a parent.
// The master job is reset when waited on.
@@ -341,7 +338,7 @@ private:
static_assert(sizeof(ThreadState) % CACHELINE_SIZE == 0,
"ThreadState doesn't align to a cache line");
static ThreadState& getState() noexcept;
ThreadState& getState() noexcept;
void incRef(Job const* job) noexcept;
void decRef(Job const* job) noexcept;
@@ -406,7 +403,7 @@ private:
uint8_t mParallelSplitCount = 0; // # of split allowable in parallel_for
Job* mMasterJob = nullptr;
static UTILS_DECLARE_TLS(ThreadState *) sThreadState;
tsl::robin_map<std::thread::id, ThreadState *> mThreadMap;
};
// -------------------------------------------------------------------------------------------------