117 lines
2.8 KiB
C
117 lines
2.8 KiB
C
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#pragma once
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#if NET_4_0
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#include <vector>
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#include "os/ConditionVariable.h"
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#include "os/Mutex.h"
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struct Il2CppDomain;
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struct Il2CppInternalThread;
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union ThreadPoolCounter
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{
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struct
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{
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int16_t max_working; /* determined by heuristic */
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int16_t active; /* executing worker_thread */
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int16_t working; /* actively executing worker_thread, not parked */
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int16_t parked; /* parked */
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} _;
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int64_t as_int64_t;
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};
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struct ThreadPoolDomain
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{
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Il2CppDomain* domain;
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int32_t outstanding_request;
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};
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struct ThreadPoolHillClimbing
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{
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int32_t wave_period;
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int32_t samples_to_measure;
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double target_throughput_ratio;
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double target_signal_to_noise_ratio;
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double max_change_per_second;
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double max_change_per_sample;
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int32_t max_thread_wave_magnitude;
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int32_t sample_interval_low;
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double thread_magnitude_multiplier;
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int32_t sample_interval_high;
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double throughput_error_smoothing_factor;
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double gain_exponent;
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double max_sample_error;
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double current_control_setting;
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int64_t total_samples;
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int16_t last_thread_count;
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double elapsed_since_last_change;
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double completions_since_last_change;
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double average_throughput_noise;
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double *samples;
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double *thread_counts;
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uint32_t current_sample_interval;
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void* random_interval_generator;
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int32_t accumulated_completion_count;
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double accumulated_sample_duration;
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};
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struct ThreadPool
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{
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ThreadPool();
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ThreadPoolCounter counters;
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std::vector<ThreadPoolDomain*> domains;
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il2cpp::os::FastMutex domains_lock;
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std::vector<Il2CppInternalThread*> working_threads;
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int32_t parked_threads_count;
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il2cpp::os::ConditionVariable parked_threads_cond;
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il2cpp::os::FastMutex active_threads_lock; /* protect access to working_threads and parked_threads */
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uint32_t worker_creation_current_second;
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uint32_t worker_creation_current_count;
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il2cpp::os::FastMutex worker_creation_lock;
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int32_t heuristic_completions;
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int64_t heuristic_sample_start;
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int64_t heuristic_last_dequeue; // ms
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int64_t heuristic_last_adjustment; // ms
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int64_t heuristic_adjustment_interval; // ms
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ThreadPoolHillClimbing heuristic_hill_climbing;
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il2cpp::os::Mutex heuristic_lock;
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int32_t limit_worker_min;
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int32_t limit_worker_max;
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int32_t limit_io_min;
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int32_t limit_io_max;
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void* cpu_usage_state;
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int32_t cpu_usage;
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/* suspended by the debugger */
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bool suspended;
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};
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enum ThreadPoolHeuristicStateTransition
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{
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TRANSITION_WARMUP,
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TRANSITION_INITIALIZING,
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TRANSITION_RANDOM_MOVE,
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TRANSITION_CLIMBING_MOVE,
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TRANSITION_CHANGE_POINT,
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TRANSITION_STABILIZING,
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TRANSITION_STARVATION,
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TRANSITION_THREAD_TIMED_OUT,
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TRANSITION_UNDEFINED,
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};
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#endif // NET_4_0
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