+/*
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
+ */
+
/**
- * Author: Daniel Grund
- * Date: 19.04.2005
- * Copyright: (c) Universitaet Karlsruhe
- * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
+ * @file
+ * @brief Copy node statistics.
+ * @author Daniel Grund
+ * @date 19.04.2005
*/
-#ifdef HAVE_CONFIG_H
#include "config.h"
-#endif
#include <string.h>
-#include <libcore/lc_timing.h>
-#include "xmalloc.h"
+#include "timing.h"
#include "irgraph.h"
#include "irgwalk.h"
#include "irprog.h"
#include "iredges_t.h"
-#include "phiclass_t.h"
+#include "irnodeset.h"
+
#include "bechordal_t.h"
+#include "benode.h"
#include "beutil.h"
#include "becopyopt_t.h"
#include "becopystat.h"
-
-#ifdef COPYOPT_STAT
-
-#define DO_HEUR
-#undef DO_ILP1
-#define DO_ILP2
+#include "bemodule.h"
+#include "beintlive_t.h"
#define DEBUG_LVL SET_LEVEL_1
-static firm_dbg_module_t *dbg = NULL;
+DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;)
#define MAX_ARITY 20
#define MAX_CLS_SIZE 20
I_BLOCKS,
/* phi nodes */
- I_PHI_CNT, /* number of phi nodes */
- I_PHI_ARG_CNT, /* number of arguments of phis */
- I_PHI_ARG_SELF, /* number of arguments of phis being the phi itself */
- I_PHI_ARG_CONST, /* number of arguments of phis being consts */
- I_PHI_ARG_PRED, /* ... being defined in a cf-pred */
- I_PHI_ARG_GLOB, /* ... being defined elsewhere */
+ I_PHI_CNT, /* number of phi nodes */
+ I_PHI_ARG_CNT, /* number of arguments of phis */
+ I_PHI_ARG_SELF, /* number of arguments of phis being the phi itself */
+ I_PHI_ARG_CONST, /* number of arguments of phis being consts */
+ I_PHI_ARG_PRED, /* ... being defined in a cf-pred */
+ I_PHI_ARG_GLOB, /* ... being defined elsewhere */
I_PHI_ARITY_S,
I_PHI_ARITY_E = I_PHI_ARITY_S+MAX_ARITY,
/* copy nodes */
- I_CPY_CNT, /* number of copynodes */
+ I_CPY_CNT, /* number of copynodes */
/* phi classes */
- I_CLS_CNT, /* number of phi classes */
- I_CLS_IF_FREE, /* number of pc having no interference */
- I_CLS_IF_MAX, /* number of possible interferences in all classes */
- I_CLS_IF_CNT, /* number of actual interferences in all classes */
+ I_CLS_CNT, /* number of phi classes */
+ I_CLS_IF_FREE, /* number of pc having no interference */
+ I_CLS_IF_MAX, /* number of possible interferences in all classes */
+ I_CLS_IF_CNT, /* number of actual interferences in all classes */
I_CLS_SIZE_S,
I_CLS_SIZE_E = I_CLS_SIZE_S+MAX_CLS_SIZE,
I_CLS_PHIS_S,
/* all of them are external set */
/* ilp values */
- I_HEUR_TIME, /* solving time in milli seconds */
- I_ILP_TIME, /* solving time in milli seconds */
- I_ILP_VARS,
- I_ILP_CSTR,
- I_ILP_ITER, /* number of simplex iterations */
+ I_HEUR_TIME, /* solving time in milli seconds */
+ I_ILP_TIME, /* solving time in milli seconds */
+ I_ILP_VARS,
+ I_ILP_CSTR,
+ I_ILP_ITER, /* number of simplex iterations */
/* copy instructions */
- I_COPIES_MAX, /* max possible costs of copies*/
- I_COPIES_INIT, /* number of copies in initial allocation */
- I_COPIES_HEUR, /* number of copies after heuristic */
- I_COPIES_5SEC, /* number of copies after ilp with max n sec */
- I_COPIES_30SEC, /* number of copies after ilp with max n sec */
- I_COPIES_OPT, /* number of copies after ilp */
- I_COPIES_IF, /* number of copies inevitable due to root-arg-interf */
+ I_COPIES_MAX, /* max possible costs of copies*/
+ I_COPIES_INIT, /* number of copies in initial allocation */
+ I_COPIES_HEUR, /* number of copies after heuristic */
+ I_COPIES_5SEC, /* number of copies after ilp with max n sec */
+ I_COPIES_30SEC, /* number of copies after ilp with max n sec */
+ I_COPIES_OPT, /* number of copies after ilp */
+ I_COPIES_IF, /* number of copies inevitable due to root-arg-interf */
ASIZE
};
/**
* Holds current values. Values are added till next copystat_reset
*/
-int curr_vals[ASIZE];
-
-static pset *all_phi_nodes;
-static pset *all_phi_classes;
-static pset *all_copy_nodes;
-static ir_graph *last_irg;
-
-void copystat_init(void) {
- FIRM_DBG_REGISTER(dbg, "ir.be.copystat");
- firm_dbg_set_mask(dbg, DEBUG_LVL);
-
- all_phi_nodes = pset_new_ptr_default();
- all_phi_classes = pset_new_ptr_default();
- all_copy_nodes = pset_new_ptr_default();
-}
-
-void copystat_reset(void) {
- int i;
- for (i = 0; i < ASIZE; ++i)
- curr_vals[i] = 0;
- del_pset(all_phi_nodes);
- del_pset(all_phi_classes);
- del_pset(all_copy_nodes);
- all_phi_nodes = pset_new_ptr_default();
- all_phi_classes = pset_new_ptr_default();
- all_copy_nodes = pset_new_ptr_default();
-}
-
-/**
- * Collect general data
- */
-static void irg_stat_walker(ir_node *node, void *env) {
- arch_env_t *arch_env = env;
- curr_vals[I_ALL_NODES]++; /* count all nodes */
-
- if (is_Block(node)) /* count all blocks */
- curr_vals[I_BLOCKS]++;
+static int curr_vals[ASIZE];
- if (is_Reg_Phi(node)) /* collect phis */
- pset_insert_ptr(all_phi_nodes, node);
+static ir_nodeset_t *all_phi_nodes;
+static ir_nodeset_t *all_copy_nodes;
- if (is_Perm_Proj(arch_env, node))
- pset_insert_ptr(all_copy_nodes, node);
+BE_REGISTER_MODULE_CONSTRUCTOR(be_init_copystat)
+void be_init_copystat(void)
+{
+ FIRM_DBG_REGISTER(dbg, "firm.be.copystat");
- /* TODO: Add 2-Addr-Code nodes */
+ all_phi_nodes = ir_nodeset_new(64);
+ all_copy_nodes = ir_nodeset_new(64);
+ memset(curr_vals, 0, sizeof(curr_vals));
}
-static void copystat_collect_irg(ir_graph *irg, arch_env_t *arch_env) {
- irg_walk_graph(irg, irg_stat_walker, NULL, arch_env);
- all_phi_classes = phi_class_compute_by_phis(all_phi_nodes);
- last_irg = irg;
+BE_REGISTER_MODULE_DESTRUCTOR(be_quit_copystat)
+void be_quit_copystat(void)
+{
+ if (all_phi_nodes != NULL) {
+ ir_nodeset_del(all_phi_nodes);
+ all_phi_nodes = NULL;
+ }
+ if (all_copy_nodes != NULL) {
+ ir_nodeset_del(all_copy_nodes);
+ all_copy_nodes = NULL;
+ }
}
/**
* @return 1 if the block at pos @p pos removed a critical edge
- * 0 else
+ * 0 else
*/
-static INLINE int was_edge_critical(const ir_node *bl, int pos) {
+static inline int was_edge_critical(const ir_node *bl, int pos)
+{
const ir_edge_t *edge;
const ir_node *bl_at_pos, *bl_before;
assert(is_Block(bl));
if (get_irn_arity(bl_at_pos) != 1)
return 0;
- /* Does the pred of the pred have several sucsecessors */
+ /* Does the pred of the pred have several successors */
bl_before = get_irn_n(bl_at_pos, 0);
edge = get_block_succ_first(bl_before);
return get_block_succ_next(bl_before, edge) ? 1 : 0;
}
-/**
- * Collect phi node data
- */
-static void stat_phi_node(be_chordal_env_t *chordal_env, ir_node *phi) {
- int arity, i;
- ir_node *phi_bl;
- assert(is_Phi(phi));
-
- /* count all phi phis */
- curr_vals[I_PHI_CNT]++;
-
- /* argument count */
- arity = get_irn_arity(phi);
- curr_vals[I_PHI_ARG_CNT] += arity;
- if (arity > MAX_ARITY)
- curr_vals[I_PHI_ARITY_E]++;
- else
- curr_vals[I_PHI_ARITY_S + arity]++;
-
- phi_bl = get_nodes_block(phi);
- /* type of argument {self, const, pred, glob} */
- for (i = 0; i < arity; i++) {
- ir_node *block_of_arg, *block_ith_pred;
- ir_node *arg = get_irn_n(phi, i);
-
- if (arg == phi) {
- curr_vals[I_PHI_ARG_SELF]++;
- continue;
- }
-
- if (iro_Const == get_irn_opcode(arg)) {
- curr_vals[I_PHI_ARG_CONST]++;
- continue;
- }
-
- /* get the pred block skipping blocks on critical edges */
- block_ith_pred = get_Block_cfgpred_block(phi_bl, i);
- if (was_edge_critical(phi_bl, i))
- block_ith_pred = get_Block_cfgpred_block(block_ith_pred, 0);
-
- block_of_arg = get_nodes_block(arg);
- if (block_of_arg == block_ith_pred) {
- curr_vals[I_PHI_ARG_PRED]++;
- continue;
- }
-
- curr_vals[I_PHI_ARG_GLOB]++;
- }
-}
-
-/**
- * Collect register-constrained node data
- */
-static void stat_copy_node(be_chordal_env_t *chordal_env, ir_node *root) {
- curr_vals[I_CPY_CNT]++;
- curr_vals[I_COPIES_MAX]++;
- if (nodes_interfere(chordal_env, root, get_Perm_src(root))) {
- curr_vals[I_COPIES_IF]++;
- assert(0 && "A Perm pair (in/out) should never interfere!");
- }
-}
-
-/**
- * Collect phi class data
- */
-static void stat_phi_class(be_chordal_env_t *chordal_env, pset *pc) {
- int i, o, size, if_free, phis;
- ir_node **members, *p;
-
- /* phi class count */
- curr_vals[I_CLS_CNT]++;
-
- /* phi class size */
- size = pset_count(pc);
- if (size > MAX_CLS_SIZE)
- curr_vals[I_CLS_SIZE_E]++;
- else
- curr_vals[I_CLS_SIZE_S + size]++;
-
- /* get an array of all members for double iterating */
- members = xmalloc(size * sizeof(*members));
- DBG((dbg, LEVEL_2, "Phi-class:\n"));
- for (i = 0, p = pset_first(pc); p; p = pset_next(pc)) {
- DBG((dbg, LEVEL_2, " %+F\n", p));
- members[i++] = p;
- }
- assert(i == size);
-
- /* determine number of phis on this class */
- phis = 0;
- for (i = 0; i < size; ++i)
- if (is_Phi(members[i]))
- phis++;
- if (phis > MAX_CLS_PHIS)
- curr_vals[I_CLS_PHIS_E]++;
- else
- curr_vals[I_CLS_PHIS_S + phis]++;
-
- /* determine interference of phi class members */
- curr_vals[I_CLS_IF_MAX] += size*(size-1)/2;
- if_free = 1;
- for (i = 0; i < size-1; ++i)
- for (o = i+1; o < size; ++o)
- if (nodes_interfere(chordal_env, members[i], members[o])) {
- if_free = 0;
- curr_vals[I_CLS_IF_CNT]++;
- }
-
- /* Does this phi class have an inner interference? */
- curr_vals[I_CLS_IF_FREE] += if_free;
-
- xfree(members);
-}
-
-void copystat_collect_cls(be_chordal_env_t *cenv) {
- ir_node *n;
- pset *pc;
- ir_graph *irg = cenv->irg;
- arch_env_t *aenv = cenv->birg->main_env->arch_env;
-
- copystat_reset();
- copystat_collect_irg(irg, aenv);
-
- for (n = pset_first(all_phi_nodes); n; n = pset_next(all_phi_nodes))
- if (arch_get_irn_reg_class(aenv, n, -1) == cenv->cls)
- stat_phi_node(cenv, n);
-
- for (n = pset_first(all_copy_nodes); n; n = pset_next(all_copy_nodes))
- if (arch_get_irn_reg_class(aenv, n, -1) == cenv->cls)
- stat_copy_node(cenv, n);
-
- for (pc = pset_first(all_phi_classes); pc; pc = pset_next(all_phi_classes)) {
- ir_node *member = pset_first(pc);
- pset_break(pc);
- if (arch_get_irn_reg_class(aenv, member, -1) == cenv->cls)
- stat_phi_class(cenv, pc);
- }
-}
-
-void copystat_add_max_costs(int costs) {
+void copystat_add_max_costs(int costs)
+{
curr_vals[I_COPIES_MAX] += costs;
}
-void copystat_add_inevit_costs(int costs) {
+void copystat_add_inevit_costs(int costs)
+{
curr_vals[I_COPIES_IF] += costs;
}
-void copystat_add_init_costs(int costs) {
+void copystat_add_init_costs(int costs)
+{
curr_vals[I_COPIES_INIT] += costs;
}
-void copystat_add_heur_costs(int costs) {
+void copystat_add_heur_costs(int costs)
+{
curr_vals[I_COPIES_HEUR] += costs;
}
-void copystat_add_ilp_5_sec_costs(int costs) {
- curr_vals[I_COPIES_5SEC] += costs;
-}
-void copystat_add_ilp_30_sec_costs(int costs) {
- curr_vals[I_COPIES_30SEC] += costs;
-}
-void copystat_add_opt_costs(int costs) {
+void copystat_add_opt_costs(int costs)
+{
curr_vals[I_COPIES_OPT] += costs;
}
-void copystat_add_heur_time(int time) {
+void copystat_add_heur_time(int time)
+{
curr_vals[I_HEUR_TIME] += time;
}
-void copystat_add_ilp_time(int time) {
+
+void copystat_add_ilp_5_sec_costs(int costs)
+{
+ curr_vals[I_COPIES_5SEC] += costs;
+}
+void copystat_add_ilp_30_sec_costs(int costs)
+{
+ curr_vals[I_COPIES_30SEC] += costs;
+}
+void copystat_add_ilp_time(int time)
+{
curr_vals[I_ILP_TIME] += time;
}
-void copystat_add_ilp_vars(int vars) {
+void copystat_add_ilp_vars(int vars)
+{
curr_vals[I_ILP_VARS] += vars;
}
-void copystat_add_ilp_csts(int csts) {
+void copystat_add_ilp_csts(int csts)
+{
curr_vals[I_ILP_CSTR] += csts;
}
-void copystat_add_ilp_iter(int iters) {
+void copystat_add_ilp_iter(int iters)
+{
curr_vals[I_ILP_ITER] += iters;
}
-void copystat_dump(ir_graph *irg) {
+/**
+ * Opens a file named base.ext with the mode mode.
+ */
+static FILE *be_ffopen(const char *base, const char *ext, const char *mode)
+{
+ FILE *out;
+ char buf[1024];
+
+ snprintf(buf, sizeof(buf), "%s.%s", base, ext);
+ buf[sizeof(buf) - 1] = '\0';
+ if (! (out = fopen(buf, mode))) {
+ fprintf(stderr, "Cannot open file %s in mode %s\n", buf, mode);
+ return NULL;
+ }
+ return out;
+}
+
+void copystat_dump(ir_graph *irg)
+{
int i;
char buf[1024];
FILE *out;
- snprintf(buf, sizeof(buf), "%s__%s", get_irp_prog_name(), get_entity_name(get_irg_entity(irg)));
- out = ffopen(buf, "stat", "wt");
+ snprintf(buf, sizeof(buf), "%s__%s", get_irp_name(), get_entity_name(get_irg_entity(irg)));
+ buf[sizeof(buf) - 1] = '\0';
+ out = be_ffopen(buf, "stat", "wt");
- fprintf(out, "%d\n", ASIZE);
+ fprintf(out, "%d\n", (int)ASIZE);
for (i = 0; i < ASIZE; i++) {
#if 0
if (i >= I_PHI_ARITY_S && i <= I_PHI_ARITY_E)
fprintf(out, "%i\n", curr_vals[i]);
}
- fclose(out);
+ fclose(out);
}
-void copystat_dump_pretty(ir_graph *irg) {
+void copystat_dump_pretty(ir_graph *irg)
+{
int i;
char buf[1024];
FILE *out;
- snprintf(buf, sizeof(buf), "%s__%s", get_irp_prog_name(), get_entity_name(get_irg_entity(irg)));
- out = ffopen(buf, "pstat", "wt");
+ snprintf(buf, sizeof(buf), "%s__%s", get_irp_name(), get_entity_name(get_irg_entity(irg)));
+ buf[sizeof(buf) - 1] = '\0';
+ out = be_ffopen(buf, "pstat", "wt");
fprintf(out, "Nodes %4d\n", curr_vals[I_ALL_NODES]);
fprintf(out, "Blocks %4d\n", curr_vals[I_BLOCKS]);
fclose(out);
}
-
-/**
- * Helpers for saving and restoring colors of nodes.
- * Used to get dependable and comparable benchmark results.
- */
-typedef struct color_saver {
- arch_env_t *arch_env;
- be_chordal_env_t *chordal_env;
- pmap *saved_colors;
- int flag; /* 0 save, 1 load */
-} color_save_t;
-
-static void save_load(ir_node *irn, void *env) {
- color_save_t *saver = env;
- if (saver->chordal_env->cls == arch_get_irn_reg_class(saver->arch_env, irn, -1)) {
- if (saver->flag == 0) { /* save */
- const arch_register_t *reg = arch_get_irn_register(saver->arch_env, irn);
- pmap_insert(saver->saved_colors, irn, (void *) reg);
- } else { /*load */
- arch_register_t *reg = pmap_get(saver->saved_colors, irn);
- arch_set_irn_register(saver->arch_env, irn, reg);
- }
- }
-}
-
-static void save_colors(color_save_t *color_saver) {
- color_saver->flag = 0;
- irg_walk_graph(color_saver->chordal_env->irg, save_load, NULL, color_saver);
-}
-
-static void load_colors(color_save_t *color_saver) {
- color_saver->flag = 1;
- irg_walk_graph(color_saver->chordal_env->irg, save_load, NULL, color_saver);
-}
-
-/**
- * Main compare routine
- */
-void co_compare_solvers(be_chordal_env_t *chordal_env) {
- copy_opt_t *co;
- lc_timer_t *timer;
- color_save_t saver;
- int costs_inevit, costs_init, costs_heur, costs_ilp1, costs_ilp2, lower_bound;
-
- phi_class_compute(chordal_env->irg);
- copystat_collect_cls(chordal_env);
-
- co = new_copy_opt(chordal_env, co_get_costs_loop_depth);
- co_build_ou_structure(co);
- co_build_graph_structure(co);
- DBG((dbg, LEVEL_1, "----> CO: %s\n", co->name));
-
- /* save colors */
- saver.arch_env = chordal_env->birg->main_env->arch_env;
- saver.chordal_env = chordal_env;
- saver.saved_colors = pmap_create();
- save_colors(&saver);
- be_ra_chordal_check(co->cenv);
-
- /* initial values */
- costs_inevit = co_get_inevit_copy_costs(co);
- lower_bound = co_get_lower_bound(co);
- costs_init = co_get_copy_costs(co);
-
- DBG((dbg, LEVEL_1, "Inevit Costs: %3d\n", costs_inevit));
- DBG((dbg, LEVEL_1, "Lower Bound: %3d\n", lower_bound));
- DBG((dbg, LEVEL_1, "Init costs: %3d\n", costs_init));
-
- copystat_add_inevit_costs(costs_inevit);
- copystat_add_init_costs(costs_init);
- copystat_add_max_costs(co_get_max_copy_costs(co));
-
-
-#ifdef DO_HEUR
- timer = lc_timer_register("heur", NULL);
- lc_timer_reset_and_start(timer);
-
- co_solve_heuristic(co);
-
- lc_timer_stop(timer);
-
- be_ra_chordal_check(co->cenv);
- costs_heur = co_get_copy_costs(co);
- DBG((dbg, LEVEL_1, "HEUR costs: %3d\n", costs_heur));
- copystat_add_heur_time(lc_timer_elapsed_msec(timer));
- copystat_add_heur_costs(costs_heur);
- assert(lower_bound <= costs_heur);
-#endif /* DO_HEUR */
-
-
-#ifdef DO_ILP1
- load_colors(&saver);
-
- co_solve_ilp1(co, 60.0);
-
- costs_ilp1 = co_get_copy_costs(co);
- DBG((dbg, LEVEL_1, "ILP1 costs: %3d\n", costs_ilp1));
- copystat_add_opt_costs(costs_ilp1); /*TODO ADAPT */
- assert(lower_bound <= costs_ilp1);
-#endif /* DO_ILP1 */
-
-
-#ifdef DO_ILP2
- load_colors(&saver);
-
- co_solve_ilp2(co, 60.0);
-
- be_ra_chordal_check(co->cenv);
- costs_ilp2 = co_get_copy_costs(co);
- DBG((dbg, LEVEL_1, "ILP2 costs: %3d\n", costs_ilp2));
- copystat_add_opt_costs(costs_ilp2); /*TODO ADAPT */
- assert(lower_bound <= costs_ilp2);
-#endif /* DO_ILP2 */
-
- pmap_destroy(saver.saved_colors);
- co_free_graph_structure(co);
- co_free_ou_structure(co);
- free_copy_opt(co);
-}
-
-
-#endif /* COPYOPT_STAT */
projects / libfirm / blobdiff