save all ireps into pic_state
in order to decrease the stress GC will get, restore irep structures under pic_state instead of under each procs and making it collectable object
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c593a46a62
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@ -4,6 +4,7 @@
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#define PIC_ARENA_SIZE 100
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#define PIC_HEAP_SIZE 8192
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#define PIC_STACK_SIZE 1024
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#define PIC_IREP_SIZE 256
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#define DEBUG 1
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@ -23,6 +23,9 @@ typedef struct {
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pic_value sADD, sSUB, sMUL, sDIV;
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struct pic_env *global_env;
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struct pic_irep **irep;
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size_t ilen, icapa;
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struct heap_page *heap;
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struct pic_object *arena[PIC_ARENA_SIZE];
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int arena_idx;
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@ -30,9 +30,6 @@ struct pic_code {
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struct pic_irep {
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struct pic_code *code;
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size_t clen, ccapa;
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struct pic_irep **proto;
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size_t plen, pcapa;
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};
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#endif
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@ -37,6 +37,11 @@ pic_open()
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pic->heap = (struct heap_page *)malloc(sizeof(struct heap_page));
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init_heap_page(pic->heap);
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/* irep */
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pic->irep = (struct pic_irep **)malloc(sizeof(struct pic_irep *) * PIC_IREP_SIZE);
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pic->ilen = 0;
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pic->icapa = PIC_IREP_SIZE;
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/* GC arena */
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pic->arena_idx = 0;
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23
src/vm.c
23
src/vm.c
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@ -165,9 +165,6 @@ new_irep(pic_state *pic)
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irep->code = (struct pic_code *)pic_alloc(pic, sizeof(struct pic_code) * 1024);
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irep->clen = 0;
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irep->ccapa = 1024;
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irep->proto = NULL;
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irep->plen = irep->pcapa = 0;
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return irep;
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}
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@ -218,19 +215,11 @@ pic_gen(pic_state *pic, struct pic_irep *irep, pic_value obj, struct pic_env *en
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break;
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}
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else if (pic_eq_p(pic, proc, sLAMBDA)) {
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if (irep->proto == NULL) {
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irep->proto = (struct pic_irep **)pic_alloc(pic, sizeof(struct pic_irep **) * 5);
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irep->pcapa = 5;
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}
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if (irep->plen >= irep->pcapa) {
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irep->proto = (struct pic_irep **)pic_realloc(pic, irep->proto, irep->pcapa * 2);
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irep->pcapa *= 2;
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}
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irep->code[irep->clen].insn = OP_LAMBDA;
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irep->code[irep->clen].u.i = irep->plen;
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irep->code[irep->clen].u.i = pic->ilen;
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irep->clen++;
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irep->proto[irep->plen++] = pic_gen_lambda(pic, obj, env);
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pic->irep[pic->ilen++] = pic_gen_lambda(pic, obj, env);
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break;
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}
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else if (pic_eq_p(pic, proc, sCONS)) {
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@ -334,6 +323,12 @@ pic_gen_lambda(pic_state *pic, pic_value obj, struct pic_env *env)
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irep->code[irep->clen].insn = OP_RET;
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irep->clen++;
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#if VM_DEBUG
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printf("LAMBDA_%d:\n", pic->ilen);
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print_irep(pic, irep);
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puts("");
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#endif
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return irep;
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}
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@ -430,7 +425,7 @@ pic_run(pic_state *pic, struct pic_proc *proc, pic_value args)
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proc = (struct pic_proc *)pic_obj_alloc(pic, sizeof(struct pic_proc *), PIC_TT_PROC);
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proc->cfunc_p = false;
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proc->u.irep = ci->proc->u.irep->proto[pc->u.i];
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proc->u.irep = pic->irep[pc->u.i];
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PUSH(pic_obj_value(proc));
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pic_gc_arena_restore(pic, ai);
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NEXT;
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