distributed/distributed.h

   1 #ifndef ZZGO_DISTRIBUTED_DISTRIBUTED_H
   2 #define ZZGO_DISTRIBUTED_DISTRIBUTED_H
   3
   4 #include <limits.h>
   5
   6 #include "engine.h"
   7 #include "stats.h"
   8
   9 /* A coord path encodes coordinates from root child to a given node:
  10  * A1->B2->C3 is encoded as coord(A1)<<18 + coord(B2)<<9 + coord(C3)
  11  * for 19x19. In this version the table is not a transposition table
  12  * so A1->B2->C3 and C3->B2->A1 are different.
  13  * The depth is limited to 7 for 19x19 (9 for 9x9) to fit in 64 bits.
  14  * path_t is signed to include pass and resign. */
  15 typedef int64_t path_t;
  16 #define PRIpath PRIx64
  17 #define PATH_T_MAX INT64_MAX
  18
  19 /* Stats exchanged between master and slave. They are always
  20  * incremental values to be added to what was last sent. */
  21 struct incr_stats {
  22         path_t coord_path;
  23         struct move_stats incr;
  24 };
  25
  26 #define DIST_GAMELEN 1000
  27
  28 #define force_reply(id)    ((id) + DIST_GAMELEN)
  29 #define prevent_reply(id)  ((id) % DIST_GAMELEN)
  30 #define move_number(id)    ((id) % DIST_GAMELEN)
  31 #define reply_disabled(id) ((id) < DIST_GAMELEN)
  32
  33 struct move_stats2 {
  34         struct move_stats u;
  35         struct move_stats amaf;
  36 };
  37
  38 struct engine *engine_distributed_init(char *arg, struct board *b);
  39
  40 #endif