URL
https://opencores.org/ocsvn/connect-6/connect-6/trunk
Subversion Repositories connect-6
Compare Revisions
- This comparison shows the changes necessary to convert path
/
- from Rev 10 to Rev 9
- ↔ Reverse comparison
Rev 10 → Rev 9
/connect-6/trunk/BUILD_SCC/synth_src/search.cpp
File deleted
connect-6/trunk/BUILD_SCC/synth_src/search.cpp
Property changes :
Deleted: svn:executable
## -1 +0,0 ##
-*
\ No newline at end of property
Index: connect-6/trunk/BUILD_SCC/synth_src/search.c
===================================================================
--- connect-6/trunk/BUILD_SCC/synth_src/search.c (nonexistent)
+++ connect-6/trunk/BUILD_SCC/synth_src/search.c (revision 9)
@@ -0,0 +1,234 @@
+
+/*
+
+connectk -- UMN CSci 5512W project
+
+*/
+
+#include "config.h"
+#include
+#include
+#include "../shared.h"
+#include "../connectk.h"
+
+/* Variables required to check for cache hits */
+static int cache_id = -1, cache_depth = -1, cache_branch = -1;
+static SEARCH cache_search = -1;
+static AIMoves *cache_moves = NULL;
+static AIWEIGHT cache_best;
+static Player *cache_player;
+static AIFunc cache_func;
+static BCOORD cache_size;
+
+void dfs_cache_dump(void)
+/* Called from tests.c to print out the DFS cache */
+{
+ g_debug("DFS cache: ");
+ aimoves_print(cache_moves);
+ g_print("\n");
+}
+
+static void cache_set(int index, AIMove *move)
+{
+ if (move->weight < cache_best || index > place_p)
+ return;
+ if (cache_moves->len <= index)
+ cache_moves->len = index + 1;
+ cache_moves->data[index] = *move;
+ cache_best = move->weight;
+}
+
+static AIWEIGHT df_search(Board *b, AIMoves *moves, Player *player,
+ int depth, int cache_index,
+ PIECE searched, AIWEIGHT alpha, AIWEIGHT beta)
+/* Depth is in _moves_ */
+{
+ int i, j;
+
+ /* Halt and depth abort */
+ if (ai_stop || depth < 1)
+ return moves->utility;
+
+ /* Alpha-beta sanity check */
+ if (alpha >= beta) {
+ g_warning("DFS alpha-beta failed sanity check");
+ return moves->utility;
+ }
+
+ /* Search only the top moves beyond the minimum */
+ aimoves_sort(moves);
+ if (moves->len > player->branch) {
+ for (i = player->branch; i < moves->len; i++)
+ if (moves->data[i].weight != moves->data[0].weight)
+ break;
+ moves->len = i;
+ }
+
+ /* No moves left -- its a draw */
+ if (moves->len < 1)
+ return AIW_DRAW;
+
+ /* Search each move available in depth first order */
+ for (i = 0; i < moves->len; i++) {
+ Board *b_next;
+ AIMove *aim = moves->data + i;
+ AIMoves *moves_next;
+
+ /* Did we get a bad move? */
+ if (!piece_empty(piece_at(b, aim->x, aim->y))) {
+ g_warning("DFS utility function suggested a bad move "
+ "(%s)", bcoords_to_string(aim->x, aim->y));
+ continue;
+ }
+
+ /* Already searched here? */
+ if (piece_at(b, aim->x, aim->y) == searched)
+ continue;
+ place_piece_type(b, aim->x, aim->y, searched);
+
+ b_next = board_new();
+ board_copy(b, b_next);
+ place_piece(b_next, aim->x, aim->y);
+
+ /* Did we win? */
+ if (check_win(b_next, aim->x, aim->y))
+ aim->weight = AIW_WIN;
+
+ /* Otherwise, search deeper */
+ else {
+ int next_ci = cache_index + 1;
+ AIWEIGHT next_alpha = alpha, next_beta = beta;
+ AIFunc func;
+
+ b_next->moves_left--;
+
+ /* Player has changed */
+ if (b_next->moves_left <= 0) {
+ b_next->moves_left = place_p;
+ b_next->turn = other_player(b->turn);
+ next_ci += place_p;
+ searched++;
+ next_alpha = -beta;
+ next_beta = -alpha;
+ }
+
+ func = ai(player->ai)->func;
+ if (!func) {
+ g_warning("DFS player has no AI function");
+ return moves->utility;
+ }
+ moves_next = func(b_next);
+ aim->weight = df_search(b_next, moves_next, player,
+ depth - 1, next_ci, searched,
+ next_alpha, next_beta);
+ aimoves_free(moves_next);
+ if (b_next->turn != b->turn)
+ aim->weight = -aim->weight;
+ }
+
+ /* Debug search */
+ if (opt_debug_dfsc) {
+ for(j = MAX_DEPTH - depth; j > 0; j--)
+ g_print("-");
+ g_print("> d=%d, %s, u=%d, a=%d, b=%d %s\n",
+ depth, bcoords_to_string(aim->x, aim->y),
+ aim->weight, alpha, beta,
+ piece_to_string(b->turn));
+ }
+
+ board_free(b_next);
+ if (aim->weight > alpha) {
+ alpha = aim->weight;
+ cache_set(cache_index, aim);
+
+ /* Victory abort */
+ if (alpha >= AIW_WIN)
+ return AIW_WIN;
+
+ /* Alpha-beta pruning */
+ if (alpha >= beta)
+ return alpha;
+ }
+ }
+
+ return alpha;
+}
+
+void search(const Board *b, AIMoves *moves, Player *player)
+{
+ Board *copy;
+ AIFunc move_func = ai(player->ai)->func;
+
+ /* Player is not configured to search */
+ if (player->search == SEARCH_NONE)
+ return;
+
+ /* Moves list does not need to be searched */
+ if (moves->len <= b->moves_left) {
+ if (opt_debug_dfsc)
+ g_debug("DFS no choice abort");
+ return;
+ }
+
+ /* Board size changed, cache is invalidated */
+ if (board_size != cache_size)
+ cache_moves = NULL;
+ cache_size = board_size;
+
+ /* Cache hit, last or same board */
+ if (player->cache && cache_moves && cache_moves->len &&
+ cache_search == player->search &&
+ cache_depth == player->depth &&
+ cache_player == player &&
+ cache_func == move_func &&
+ cache_branch == player->branch) {
+ if (b->parent && cache_id == b->parent->ac.id) {
+ aimoves_remove(cache_moves, b->parent->move_x,
+ b->parent->move_y);
+ cache_id = b->ac.id;
+ }
+ if (cache_id == b->ac.id && cache_moves->len) {
+ if (cache_moves->len) {
+ aimoves_copy(cache_moves, moves);
+ if (opt_debug_dfsc)
+ g_debug("DFS cache HIT");
+ return;
+ }
+ aimoves_free(cache_moves);
+ cache_moves = NULL;
+ }
+ }
+
+ /* Cache miss */
+ if (opt_debug_dfsc)
+ g_debug("DFS cache MISS");
+ cache_id = b->ac.id;
+ if (!cache_moves)
+ cache_moves = aimoves_new();
+ cache_moves->len = 0;
+ cache_best = AIW_MIN;
+ copy = board_new();
+ board_copy(b, copy);
+ if (player->search == SEARCH_DFS) {
+ df_search(copy, moves, player, player->depth, 0,
+ PIECE_SEARCHED, AIW_LOSE, AIW_WIN);
+ if (cache_moves->len)
+ aimoves_copy(cache_moves, moves);
+ } else {
+ board_free(copy);
+ g_warning("Unsupported search type %d", player->search);
+ return;
+ }
+ board_free(copy);
+
+ /* Debug DFS search */
+ if (opt_debug_dfsc)
+ dfs_cache_dump();
+
+ /* Save params so we can check if we have a hit later */
+ cache_player = player;
+ cache_search = player->search;
+ cache_depth = player->depth;
+ cache_branch = player->branch;
+ cache_func = move_func;
+}
connect-6/trunk/BUILD_SCC/synth_src/search.c
Property changes :
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property
Index: connect-6/trunk/BUILD_SCC/synth_src/threats.cpp
===================================================================
--- connect-6/trunk/BUILD_SCC/synth_src/threats.cpp (revision 10)
+++ connect-6/trunk/BUILD_SCC/synth_src/threats.cpp (revision 9)
@@ -348,7 +348,7 @@
#pragma fifo_length pico_stream_output_queue 800
#pragma bandwidth pico_stream_input_queue 1
#pragma bandwidth pico_stream_output_queue 1
-/*AIMoves*/int ai_threats(Board *board,AIMoves *moves,unsigned int *index)
+/*AIMoves*/int ai_threats(Board *board,AIMove *move)
{
//#pragma read_write_ports board.data combined 2
//#pragma internal_blockram board
@@ -369,12 +369,12 @@
#pragma internal_blockram bwrite
//#pragma multi_buffer bwrite 22
//#pragma no_memory_analysis b
- ///*static*/ AIMoves moves;//={0,0,0,{{0,0,0}}};
+ /*static*/ AIMoves moves;//={0,0,0,{{0,0,0}}};
//#pragma read_write_ports moves.data combined 3
#pragma internal_blockram moves
//#pragma no_memory_analysis moves
- moves->len=0;
+ moves.len=0;
//AIMoves moves;
AIWEIGHT u_sum = 0;
int i;
@@ -523,17 +523,16 @@
//PICO_finalize_PPA(id);
/*---------------------------------------------------------------------------*/
//board_copy(&b,&b_marks);
- //unsigned int index[max_size]={0};
+ unsigned int index[max_size]={0};
#pragma bitsize index 9
#pragma internal_fast index
AIMoves moves1;
- moves1.len=0;
#pragma internal_blockram moves1
- /*moves = */ ai_marks(&bwrite, PIECE_THREAT(1),&moves1);
+ /*moves = */ ai_marks(&bwrite, PIECE_THREAT(1),&moves);
//test(ready);
- streamsort(moves,index);
- moves1.utility = u_sum;
- moves->utility = u_sum;
+ streamsort(&moves1,&index[0]);
+ //moves1.utility = u_sum;
+ //moves.utility = u_sum;
/*----------------------------
rewritten for hardware
----------------------------*/
@@ -540,11 +539,11 @@
//if (!aimoves_choose(&moves1, move))
// return 0;
//else return 1;
- //int ret_val;
- //ret_val=aimoves_choose(&moves1, move,&index[0]);
- //if (!ret_val)
- // return 0;
- //else return 1;
+ int ret_val;
+ ret_val=aimoves_choose(&moves1, move,&index[0]);
+ if (!ret_val)
+ return 0;
+ else return 1;
/*----------------------------
end rewritten for hardware
----------------------------*/
/connect-6/trunk/BUILD_SCC/synth_src/connect6_synth.cpp
172,15 → 172,12
|
//#pragma num_iterations(1,2,2) |
//#pragma unroll |
Player player; |
player.depth=1; |
player.branch=1; |
for(i=myboard.moves_left;i>0;i--){ |
//aimoves_free(&moves); |
move.x=-1; |
move.y=-1; |
|
if (!search(&myboard,&move_threat,&player)){ |
if (!ai_threats(&myboard,&move_threat)){ |
//aimoves_free(&moves); |
//moves.len=0; |
ai_adjacent(&myboard,&move_adj,current_random); |
/connect-6/trunk/BUILD_SCC/synth_src/shared.h
31,7 → 31,6
#pragma bitsize gboolean 1 |
typedef int gsize; |
//#endif |
#include <limits.h> |
#include "pico.h" |
|
|
403,7 → 402,7
////////// * AI helper functions |
////////// */ |
////////// |
extern int ai_stop; |
//////////extern int ai_stop; |
///////////* If this variable is non-zero, the system is trying to stop the AI thread |
////////// and your AI should exit. Do not set this yourself. */ |
////////// |
459,7 → 458,7
///////////AIMoves *ai_dfs_utility(const Board *b); |
////////////* Utility function */ |
/////////// |
/*AIMoves **/int ai_threats(Board *board,AIMoves *moves,unsigned int *index); |
/*AIMoves **/int ai_threats(Board *board,AIMove *move); |
AIMoves *ai_priority(const Board *b); |
/* Multi-level threats */ |
|
478,10 → 477,4
//extern "C" void pico_ips_fifo_write_queue(AIMove); |
//extern int id; |
//extern int ready; |
typedef struct { |
PLAYER ai; |
//SEARCH search; |
int depth, branch, cache, tss; |
} Player; |
/*AIMoves **/int search(const Board *board,AIMove *move, Player *player); |
#endif |
/connect-6/trunk/BUILD_SCC/synth_src/util.cpp
31,11 → 31,11
int i; |
// cout<<"Please enter referee AI's colour. L or D"<<endl; |
// cin >> ai_colour; |
for(i=0;i<argc; i++){ |
if((strncmp(argv[i],"-player",7)==0) && (i< (argc+1)) ){ |
ai_colour= *argv[i+1]; |
} |
} |
// for(i=0;i<argc; i++){ |
// if((strncmp(argv[i],"-player",7)==0) && (i< (argc+1)) ){ |
// ai_colour= *argv[i+1]; |
// } |
// } |
|
// while (ai_colour != 'L' && ai_colour != 'D'){ |
// cout<<"Invalid colour. Single character L or D"<<endl; |
/connect-6/trunk/BUILD_SCC/Makefile
8,12 → 8,10
|
GCC_LINK=g++ /opt/synopsys/scc/synphonycc-fpga-vE-2010.12-SP1/pico/simu/src/SimCode/golden.o -L/opt/synopsys/scc/synphonycc-fpga-vE-2010.12-SP1/pico/simu/src/SimCode/ -lpdextn -lnosimdump -lsimerror -L/opt/synopsys/scc/synphonycc-fpga-vE-2010.12-SP1/pico/edgcpfe/lib/ -lpthread -lm -lstdc++ -lC |
|
GCC_LINK_ARGS=-L/opt/synopsys/scc/synphonycc-fpga-vE-2010.12-SP1/pico/simu/src/SimCode/ -lpdextn -lnosimdump -lsimerror -L/opt/synopsys/scc/synphonycc-fpga-vE-2010.12-SP1/pico/edgcpfe/lib/ -lpthread -lm -lstdc++ -lC |
|
all: fpt_connect6 test_golden |
|
fpt_connect6: main.o util.o connect6.o connect6_synth.o state.o threats.o search.o |
${GCC} -o connect6 /opt/synopsys/scc/synphonycc-fpga-vE-2010.12-SP1/pico/simu/src/SimCode/golden.o main.o util.o connect6.o connect6_synth.o state.o threats.o search.o ${GCC_LINK_ARGS} -lpthread -lm -g -pg |
fpt_connect6: main.o util.o connect6.o connect6_synth.o state.o threats.o q.o |
${GCC_LINK} -o connect6 main.o q.o util.o connect6.o connect6_synth.o state.o threats.o -lpthread -lm -g -pg |
main.o:${SYNTH_SRC}/main.cpp |
${GCC} -c -g -pg ${SYNTH_SRC}/main.cpp |
connect6_synth.o: ${SYNTH_SRC}/connect6_synth.cpp ${SYNTH_SRC}/connect6_synth.h |
26,8 → 24,6
state.o:${SYNTH_SRC}/state.cpp ${SYNTH_SRC}/shared.h |
${GCC} -c -g -pg ${SYNTH_SRC}/state.cpp |
|
search.o:${SYNTH_SRC}/search.cpp ${SYNTH_SRC}/shared.h |
${GCC} -c -g -pg ${SYNTH_SRC}/search.cpp |
threats.o:${SYNTH_SRC}/threats.cpp ${SYNTH_SRC}/shared.h |
${GCC} -c -g -pg ${SYNTH_SRC}/threats.cpp |
q.o:${SYNTH_SRC}/q.cpp ${SYNTH_SRC}/shared.h |