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* enum.c (enum_minmax): optimize object comparison in
Enumerable#minmax. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53454 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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4 changed files with 50 additions and 28 deletions
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@ -1,3 +1,8 @@
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Thu Jan 7 22:02:21 2016 Shugo Maeda <shugo@ruby-lang.org>
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* enum.c (enum_minmax): optimize object comparison in
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Enumerable#minmax.
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Thu Jan 7 14:49:12 2016 Nobuyoshi Nakada <nobu@ruby-lang.org>
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* thread.c (rb_thread_pending_interrupt_p): no pending interrupt
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20
array.c
20
array.c
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@ -2368,22 +2368,6 @@ struct ary_sort_data {
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int opt_inited;
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};
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enum {
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sort_opt_Fixnum,
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sort_opt_String,
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sort_optimizable_count
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};
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#define STRING_P(s) (RB_TYPE_P((s), T_STRING) && CLASS_OF(s) == rb_cString)
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#define SORT_OPTIMIZABLE_BIT(type) (1U << TOKEN_PASTE(sort_opt_,type))
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#define SORT_OPTIMIZABLE(data, type) \
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(((data)->opt_inited & SORT_OPTIMIZABLE_BIT(type)) ? \
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((data)->opt_methods & SORT_OPTIMIZABLE_BIT(type)) : \
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(((data)->opt_inited |= SORT_OPTIMIZABLE_BIT(type)), \
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rb_method_basic_definition_p(TOKEN_PASTE(rb_c,type), id_cmp) && \
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((data)->opt_methods |= SORT_OPTIMIZABLE_BIT(type))))
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static VALUE
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sort_reentered(VALUE ary)
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{
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@ -2415,12 +2399,12 @@ sort_2(const void *ap, const void *bp, void *dummy)
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VALUE a = *(const VALUE *)ap, b = *(const VALUE *)bp;
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int n;
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if (FIXNUM_P(a) && FIXNUM_P(b) && SORT_OPTIMIZABLE(data, Fixnum)) {
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if (FIXNUM_P(a) && FIXNUM_P(b) && CMP_OPTIMIZABLE(data, Fixnum)) {
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if ((long)a > (long)b) return 1;
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if ((long)a < (long)b) return -1;
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return 0;
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}
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if (STRING_P(a) && STRING_P(b) && SORT_OPTIMIZABLE(data, String)) {
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if (STRING_P(a) && STRING_P(b) && CMP_OPTIMIZABLE(data, String)) {
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return rb_str_cmp(a, b);
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}
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37
enum.c
37
enum.c
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@ -1589,9 +1589,24 @@ struct minmax_t {
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VALUE min;
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VALUE max;
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VALUE last;
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int opt_methods;
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int opt_inited;
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};
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STATIC_ASSERT(minmax_t, sizeof(struct minmax_t) <= sizeof(struct MEMO) - offsetof(struct MEMO, v1));
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static int
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optimized_cmp(VALUE a, VALUE b, struct minmax_t *data)
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{
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if (FIXNUM_P(a) && FIXNUM_P(b) && CMP_OPTIMIZABLE(data, Fixnum)) {
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if ((long)a > (long)b) return 1;
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if ((long)a < (long)b) return -1;
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return 0;
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}
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if (STRING_P(a) && STRING_P(b) && CMP_OPTIMIZABLE(data, String)) {
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return rb_str_cmp(a, b);
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}
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return rb_cmpint(rb_funcallv(a, id_cmp, 1, &b), a, b);
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}
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static void
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minmax_i_update(VALUE i, VALUE j, struct minmax_t *memo)
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@ -1603,11 +1618,11 @@ minmax_i_update(VALUE i, VALUE j, struct minmax_t *memo)
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memo->max = j;
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}
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else {
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n = rb_cmpint(rb_funcall(i, id_cmp, 1, memo->min), i, memo->min);
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n = optimized_cmp(i, memo->min, memo);
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if (n < 0) {
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memo->min = i;
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}
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n = rb_cmpint(rb_funcall(j, id_cmp, 1, memo->max), j, memo->max);
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n = optimized_cmp(j, memo->max, memo);
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if (n > 0) {
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memo->max = j;
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}
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@ -1617,7 +1632,7 @@ minmax_i_update(VALUE i, VALUE j, struct minmax_t *memo)
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static VALUE
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minmax_i(RB_BLOCK_CALL_FUNC_ARGLIST(i, _memo))
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{
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struct minmax_t *memo = (struct minmax_t *)&MEMO_CAST(_memo)->v1;
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struct minmax_t *memo = MEMO_FOR(struct minmax_t, _memo);
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int n;
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VALUE j;
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@ -1630,7 +1645,7 @@ minmax_i(RB_BLOCK_CALL_FUNC_ARGLIST(i, _memo))
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j = memo->last;
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memo->last = Qundef;
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n = rb_cmpint(rb_funcall(j, id_cmp, 1, i), j, i);
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n = optimized_cmp(j, i, memo);
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if (n == 0)
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i = j;
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else if (n < 0) {
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@ -1669,7 +1684,7 @@ minmax_ii_update(VALUE i, VALUE j, struct minmax_t *memo)
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static VALUE
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minmax_ii(RB_BLOCK_CALL_FUNC_ARGLIST(i, _memo))
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{
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struct minmax_t *memo = (struct minmax_t *)&MEMO_CAST(_memo)->v1;
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struct minmax_t *memo = MEMO_FOR(struct minmax_t, _memo);
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int n;
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VALUE j;
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@ -1715,18 +1730,20 @@ minmax_ii(RB_BLOCK_CALL_FUNC_ARGLIST(i, _memo))
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static VALUE
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enum_minmax(VALUE obj)
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{
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struct MEMO *memo = MEMO_NEW(Qundef, Qundef, Qundef);
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struct minmax_t *m = (struct minmax_t *)&memo->v1;
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VALUE memo;
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struct minmax_t *m = NEW_MEMO_FOR(struct minmax_t, memo);
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m->min = Qundef;
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m->last = Qundef;
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m->opt_methods = 0;
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m->opt_inited = 0;
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if (rb_block_given_p()) {
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rb_block_call(obj, id_each, 0, 0, minmax_ii, (VALUE)memo);
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rb_block_call(obj, id_each, 0, 0, minmax_ii, memo);
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if (m->last != Qundef)
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minmax_ii_update(m->last, m->last, m);
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}
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else {
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rb_block_call(obj, id_each, 0, 0, minmax_i, (VALUE)memo);
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rb_block_call(obj, id_each, 0, 0, minmax_i, memo);
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if (m->last != Qundef)
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minmax_i_update(m->last, m->last, m);
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}
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16
internal.h
16
internal.h
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@ -633,6 +633,22 @@ struct MEMO {
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#define NEW_MEMO_FOR(type, value) \
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((value) = rb_ary_tmp_new_fill(type_roomof(type, VALUE)), MEMO_FOR(type, value))
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#define STRING_P(s) (RB_TYPE_P((s), T_STRING) && CLASS_OF(s) == rb_cString)
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enum {
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cmp_opt_Fixnum,
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cmp_opt_String,
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cmp_optimizable_count
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};
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#define CMP_OPTIMIZABLE_BIT(type) (1U << TOKEN_PASTE(cmp_opt_,type))
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#define CMP_OPTIMIZABLE(data, type) \
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(((data)->opt_inited & CMP_OPTIMIZABLE_BIT(type)) ? \
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((data)->opt_methods & CMP_OPTIMIZABLE_BIT(type)) : \
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(((data)->opt_inited |= CMP_OPTIMIZABLE_BIT(type)), \
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rb_method_basic_definition_p(TOKEN_PASTE(rb_c,type), id_cmp) && \
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((data)->opt_methods |= CMP_OPTIMIZABLE_BIT(type))))
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/* ment is in method.h */
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/* global variable */
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