mirror of https://github.com/BOINC/boinc.git
118 lines
2.8 KiB
C
118 lines
2.8 KiB
C
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#ifndef _WORK_FETCH_
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#define _WORK_FETCH_
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#include <vector>
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#define RSC_TYPE_CPU 0
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#define RSC_TYPE_CUDA 1
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struct PROJECT;
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struct RESULT;
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struct ACTIVE_TASK;
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struct RSC_WORK_FETCH;
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// per (resource, project) state
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//
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struct RSC_PROJECT_WORK_FETCH {
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// the following are permanent (saved in state file)
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double backoff_time;
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double backoff_interval;
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double debt;
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// the following used by debt accounting
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double secs_this_debt_interval;
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inline void reset_debt_accounting() {
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secs_this_debt_interval = 0;
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}
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// the following are used by rr_simulation()
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//
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double share;
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double instances_used;
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double shortfall;
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double nidle_now;
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RSC_PROJECT_WORK_FETCH() {
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memset(this, 0, sizeof(*this));
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}
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// whether this project is accumulating debt for this resource
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bool debt_eligible(PROJECT* p);
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inline void clear_perm() {
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backoff_time = 0;
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backoff_interval = 0;
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debt = 0;
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}
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void accumulate_shortfall(RSC_WORK_FETCH&, PROJECT*, double dt, double nused);
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bool overworked();
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};
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// per-resource state
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//
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struct RSC_WORK_FETCH {
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int rsc_type;
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int ninstances;
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double speed; // relative to CPU
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// the following used/set by rr_simulation():
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//
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double shortfall;
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double nidle_now;
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double total_resource_share;
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// total RS of projects debt-eligible for this device
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// determines share
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double runnable_resource_share;
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// total RS of projects with runnable jobs for this device
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// determines estimated processing rate for CPU
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// debt accounting
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double secs_this_debt_interval;
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inline void reset_debt_accounting() {
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secs_this_debt_interval = 0;
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}
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void normalize_debt();
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void rr_init();
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void accumulate_shortfall(double d_time, double nused=0);
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PROJECT* choose_project();
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void accumulate_debt();
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RSC_PROJECT_WORK_FETCH& project_state(PROJECT*);
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bool may_have_work(PROJECT*);
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void update_debts();
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void print_state(char*);
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RSC_WORK_FETCH() {
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memset(this, 0, sizeof(*this));
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}
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};
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// per project state
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//
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struct PROJECT_WORK_FETCH {
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double overall_debt;
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PROJECT_WORK_FETCH() {
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memset(this, 0, sizeof(*this));
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}
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};
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// global work fetch state
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//
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struct WORK_FETCH {
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double estimated_delay;
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void set_overall_debts();
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PROJECT* choose_project();
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void accumulate_inst_sec(ACTIVE_TASK*, double dt);
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void write_request(PROJECT*, FILE*);
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void handle_reply(PROJECT*, std::vector<RESULT*>new_results);
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void set_initial_work_request(PROJECT* p);
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void print_state();
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void init();
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void rr_init();
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};
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extern RSC_WORK_FETCH cuda_work_fetch;
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extern RSC_WORK_FETCH cpu_work_fetch;
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extern WORK_FETCH work_fetch;
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#endif
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