diff options
Diffstat (limited to 'gnuradio-core/src/lib/runtime/gr_block.h')
| -rw-r--r-- | gnuradio-core/src/lib/runtime/gr_block.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gnuradio-core/src/lib/runtime/gr_block.h b/gnuradio-core/src/lib/runtime/gr_block.h index 86e0583e9..9171942e0 100644 --- a/gnuradio-core/src/lib/runtime/gr_block.h +++ b/gnuradio-core/src/lib/runtime/gr_block.h @@ -152,8 +152,33 @@ class GR_CORE_API gr_block : public gr_basic_block { */ void set_output_multiple (int multiple); int output_multiple () const { return d_output_multiple; } + bool output_multiple_set () const { return d_output_multiple_set; } /*! + * \brief Constrains buffers to work on a set item alignment (for SIMD) + * + * set_alignment_multiple causes the scheduler to ensure that the noutput_items + * argument passed to forecast and general_work will be an integer multiple + * of \param multiple The default value is 1. + * + * This control is similar to the output_multiple setting, except + * that if the number of items passed to the block is less than the + * output_multiple, this value is ignored and the block can produce + * like normal. The d_unaligned value is set to the number of items + * the block is off by. In the next call to general_work, the + * noutput_items is set to d_unaligned or less until + * d_unaligned==0. The buffers are now aligned again and the aligned + * calls can be performed again. + */ + void set_alignment (int multiple); + int alignment () const { return d_output_multiple; } + + void set_unaligned (int na); + int unaligned () const { return d_unaligned; } + void set_is_unaligned (bool u); + bool is_unaligned () const { return d_is_unaligned; } + + /*! * \brief Tell the scheduler \p how_many_items of input stream \p which_input were consumed. */ void consume (int which_input, int how_many_items); @@ -231,6 +256,9 @@ class GR_CORE_API gr_block : public gr_basic_block { private: int d_output_multiple; + bool d_output_multiple_set; + int d_unaligned; + bool d_is_unaligned; double d_relative_rate; // approx output_rate / input_rate gr_block_detail_sptr d_detail; // implementation details unsigned d_history; |