category.h

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/*
Copyright (C) 2015- The University of Notre Dame
This software is distributed under the GNU General Public License.
See the file COPYING for details.
*/

#ifndef CCTOOLS_CATEGORY_H
#define CCTOOLS_CATEGORY_H

#include "hash_table.h"
#include "itable.h"
#include "histogram.h"
#include "timestamp.h"

typedef enum {
        CATEGORY_ALLOCATION_FIRST = 0,       
        CATEGORY_ALLOCATION_AUTO  = 0,       
        CATEGORY_ALLOCATION_MAX,             
        CATEGORY_ALLOCATION_ERROR            
} category_allocation_t;


typedef enum {
    CATEGORY_ALLOCATION_MODE_FIXED = 0,
    CATEGORY_ALLOCATION_MODE_MAX,
    CATEGORY_ALLOCATION_MODE_MIN_WASTE,
    CATEGORY_ALLOCATION_MODE_MAX_THROUGHPUT
} category_mode_t;


struct category {
        char *name;
        category_mode_t allocation_mode;

        double fast_abort;

        struct rmsummary *first_allocation;
        struct rmsummary *max_allocation;
        struct rmsummary *min_allocation;
        struct rmsummary *max_resources_seen;

        /* if 1, use first allocations. 0, use max fixed (if given) */
        struct rmsummary *autolabel_resource;

        struct itable *histograms;

        int64_t total_tasks;

        /* completions since last time first-allocation was updated. */
        int64_t completions_since_last_reset;

        /* category is somewhat confident of the maximum seen value. */
        int steady_state;

        /* stats for wq */
        uint64_t average_task_time;
        struct work_queue_stats *wq_stats;

        /* variables for makeflow */
        /* Mappings between variable names defined in the makeflow file and their values. */
        struct hash_table *mf_variables;
};

/* set autoallocation mode cores, memory, and disk. For other resources see category_enable_auto_resource. */
void category_specify_allocation_mode(struct category *c, int mode);
/* enable/disable autoallocation for the resource */
int category_enable_auto_resource(struct category *c, const char *resource_name, int autolabel);

void category_specify_max_allocation(struct category *c, const struct rmsummary *s);
void category_specify_min_allocation(struct category *c, const struct rmsummary *s);
void category_specify_first_allocation_guess(struct category *c, const struct rmsummary *s);

struct category *category_create(const char *name);
struct category *category_lookup_or_create(struct hash_table *categories, const char *name);
void category_delete(struct hash_table *categories, const char *name);
void categories_initialize(struct hash_table *categories, struct rmsummary *top, const char *summaries_file);

int category_accumulate_summary(struct category *c, const struct rmsummary *rs, const struct rmsummary *max_worker);
int category_update_first_allocation(struct category *c, const struct rmsummary *max_worker);

int category_in_steady_state(struct category *c);

category_allocation_t category_next_label(struct category *c, category_allocation_t current_label, int resource_overflow, struct rmsummary *user, struct rmsummary *measured);

const struct rmsummary *category_dynamic_task_max_resources(struct category *c, struct rmsummary *user, category_allocation_t request);

const struct rmsummary *category_dynamic_task_min_resources(struct category *c, struct rmsummary *user, category_allocation_t request);

#endif