method

count_imemo_objects

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What's this?

count_imemo_objects(*args) public

Counts objects for each T_IMEMO type.

This method is only for MRI developers interested in performance and memory usage of Ruby programs.

It returns a hash as:

{:imemo_ifunc=>8,
 :imemo_svar=>7,
 :imemo_cref=>509,
 :imemo_memo=>1,
 :imemo_throw_data=>1}

If the optional argument, result_hash, is given, it is overwritten and returned. This is intended to avoid probe effect.

The contents of the returned hash is implementation specific and may change in the future.

In this version, keys are symbol objects.

This method is only expected to work with C Ruby.

Show source

static VALUE
count_imemo_objects(int argc, VALUE *argv, VALUE self)
{
    VALUE hash = setup_hash(argc, argv);

    if (imemo_type_ids[0] == 0) {
        imemo_type_ids[0] = rb_intern("imemo_none");
        imemo_type_ids[1] = rb_intern("imemo_cref");
        imemo_type_ids[2] = rb_intern("imemo_svar");
        imemo_type_ids[3] = rb_intern("imemo_throw_data");
        imemo_type_ids[4] = rb_intern("imemo_ifunc");
        imemo_type_ids[5] = rb_intern("imemo_memo");
        imemo_type_ids[6] = rb_intern("imemo_ment");
        imemo_type_ids[7] = rb_intern("imemo_iseq");
    }

    rb_objspace_each_objects(count_imemo_objects_i, (void *)hash);

    return hash;
}

count_imemo_objects

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