void bli_gemm_blk_var4f( obj_t* a, obj_t* b, obj_t* c, gemm_t* cntl, gemm_thrinfo_t* thread ) { extern packm_t* gemm3mh_packa_cntl_ro; extern packm_t* gemm3mh_packa_cntl_io; extern packm_t* gemm3mh_packa_cntl_rpi; packm_t* packa_cntl_ro = gemm3mh_packa_cntl_ro; packm_t* packa_cntl_io = gemm3mh_packa_cntl_io; packm_t* packa_cntl_rpi = gemm3mh_packa_cntl_rpi; //The s is for "lives on the stack" obj_t b_pack_s; obj_t a1_pack_s, c1_pack_s; obj_t a1, c1; obj_t* a1_pack = NULL; obj_t* b_pack = NULL; obj_t* c1_pack = NULL; dim_t i; dim_t b_alg; dim_t m_trans; if( thread_am_ochief( thread ) ) { // Initialize object for packing B. bli_obj_init_pack( &b_pack_s ); bli_packm_init( b, &b_pack_s, cntl_sub_packm_b( cntl ) ); // Scale C by beta (if instructed). // Since scalm doesn't support multithreading yet, must be done by chief thread (ew) bli_scalm_int( &BLIS_ONE, c, cntl_sub_scalm( cntl ) ); } b_pack = thread_obroadcast( thread, &b_pack_s ); // Initialize objects passed into bli_packm_init for A and C if( thread_am_ichief( thread ) ) { bli_obj_init_pack( &a1_pack_s ); bli_obj_init_pack( &c1_pack_s ); } a1_pack = thread_ibroadcast( thread, &a1_pack_s ); c1_pack = thread_ibroadcast( thread, &c1_pack_s ); // Pack B (if instructed). bli_packm_int( b, b_pack, cntl_sub_packm_b( cntl ), gemm_thread_sub_opackm( thread ) ); // Query dimension in partitioning direction. m_trans = bli_obj_length_after_trans( *a ); dim_t start, end; bli_get_range_t2b( thread, 0, m_trans, bli_blksz_get_mult_for_obj( a, cntl_blocksize( cntl ) ), &start, &end ); // Partition along the m dimension. for ( i = start; i < end; i += b_alg ) { // Determine the current algorithmic blocksize. // NOTE: Use of a (for execution datatype) is intentional! // This causes the right blocksize to be used if c and a are // complex and b is real. b_alg = bli_determine_blocksize_f( i, end, a, cntl_blocksize( cntl ) ); // Acquire partitions for A1 and C1. bli_acquire_mpart_t2b( BLIS_SUBPART1, i, b_alg, a, &a1 ); bli_acquire_mpart_t2b( BLIS_SUBPART1, i, b_alg, c, &c1 ); // Initialize objects for packing A1 and C1. if( thread_am_ichief( thread ) ) { bli_packm_init( &a1, a1_pack, packa_cntl_ro ); bli_packm_init( &c1, c1_pack, cntl_sub_packm_c( cntl ) ); } thread_ibarrier( thread ); // Pack A1 (if instructed). bli_packm_int( &a1, a1_pack, packa_cntl_ro, gemm_thread_sub_ipackm( thread ) ); // Pack C1 (if instructed). bli_packm_int( &c1, c1_pack, cntl_sub_packm_c( cntl ), gemm_thread_sub_ipackm( thread ) ); // Perform gemm subproblem. bli_gemm_int( &BLIS_ONE, a1_pack, b_pack, &BLIS_ONE, c1_pack, cntl_sub_gemm( cntl ), gemm_thread_sub_gemm( thread ) ); thread_ibarrier( thread ); // Only apply beta within the first of three subproblems. if ( thread_am_ichief( thread ) ) bli_obj_scalar_reset( c1_pack ); // Initialize objects for packing A1 and C1. if( thread_am_ichief( thread ) ) { bli_packm_init( &a1, a1_pack, packa_cntl_io ); } thread_ibarrier( thread ); // Pack A1 (if instructed). bli_packm_int( &a1, a1_pack, packa_cntl_io, gemm_thread_sub_ipackm( thread ) ); // Perform gemm subproblem. bli_gemm_int( &BLIS_ONE, a1_pack, b_pack, &BLIS_ONE, c1_pack, cntl_sub_gemm( cntl ), gemm_thread_sub_gemm( thread ) ); thread_ibarrier( thread ); // Initialize objects for packing A1 and C1. if( thread_am_ichief( thread ) ) { bli_packm_init( &a1, a1_pack, packa_cntl_rpi ); } thread_ibarrier( thread ); // Pack A1 (if instructed). bli_packm_int( &a1, a1_pack, packa_cntl_rpi, gemm_thread_sub_ipackm( thread ) ); // Perform gemm subproblem. bli_gemm_int( &BLIS_ONE, a1_pack, b_pack, &BLIS_ONE, c1_pack, cntl_sub_gemm( cntl ), gemm_thread_sub_gemm( thread ) ); thread_ibarrier( thread ); // Unpack C1 (if C1 was packed). // Currently must be done by 1 thread bli_unpackm_int( c1_pack, &c1, cntl_sub_unpackm_c( cntl ), gemm_thread_sub_ipackm( thread ) ); } // If any packing buffers were acquired within packm, release them back // to the memory manager. thread_obarrier( thread ); if( thread_am_ochief( thread ) ) bli_packm_release( b_pack, cntl_sub_packm_b( cntl ) ); if( thread_am_ichief( thread ) ){ // It doesn't matter which packm cntl node we pass in, as long // as it is valid, packm_release() will release the mem_t entry. bli_packm_release( a1_pack, packa_cntl_ro ); bli_packm_release( c1_pack, cntl_sub_packm_c( cntl ) ); } }
void bli_gemm_blk_var1f( obj_t* a, obj_t* b, obj_t* c, cntx_t* cntx, gemm_t* cntl, gemm_thrinfo_t* thread ) { //The s is for "lives on the stack" obj_t b_pack_s; obj_t a1_pack_s, c1_pack_s; obj_t a1, c1; obj_t* a1_pack = NULL; obj_t* b_pack = NULL; obj_t* c1_pack = NULL; dim_t i; dim_t b_alg; if( thread_am_ochief( thread ) ) { // Initialize object for packing B. bli_obj_init_pack( &b_pack_s ); bli_packm_init( b, &b_pack_s, cntx, cntl_sub_packm_b( cntl ) ); // Scale C by beta (if instructed). // Since scalm doesn't support multithreading yet, must be done by chief thread (ew) bli_scalm_int( &BLIS_ONE, c, cntx, cntl_sub_scalm( cntl ) ); } b_pack = thread_obroadcast( thread, &b_pack_s ); // Initialize objects passed into bli_packm_init for A and C if( thread_am_ichief( thread ) ) { bli_obj_init_pack( &a1_pack_s ); bli_obj_init_pack( &c1_pack_s ); } a1_pack = thread_ibroadcast( thread, &a1_pack_s ); c1_pack = thread_ibroadcast( thread, &c1_pack_s ); // Pack B (if instructed). bli_packm_int( b, b_pack, cntx, cntl_sub_packm_b( cntl ), gemm_thread_sub_opackm( thread ) ); dim_t my_start, my_end; bli_get_range_t2b( thread, a, bli_cntx_get_bmult( cntl_bszid( cntl ), cntx ), &my_start, &my_end ); // Partition along the m dimension. for ( i = my_start; i < my_end; i += b_alg ) { // Determine the current algorithmic blocksize. // NOTE: Use of a (for execution datatype) is intentional! // This causes the right blocksize to be used if c and a are // complex and b is real. b_alg = bli_determine_blocksize_f( i, my_end, a, cntl_bszid( cntl ), cntx ); // Acquire partitions for A1 and C1. bli_acquire_mpart_t2b( BLIS_SUBPART1, i, b_alg, a, &a1 ); bli_acquire_mpart_t2b( BLIS_SUBPART1, i, b_alg, c, &c1 ); // Initialize objects for packing A1 and C1. if( thread_am_ichief( thread ) ) { bli_packm_init( &a1, a1_pack, cntx, cntl_sub_packm_a( cntl ) ); bli_packm_init( &c1, c1_pack, cntx, cntl_sub_packm_c( cntl ) ); } thread_ibarrier( thread ); // Pack A1 (if instructed). bli_packm_int( &a1, a1_pack, cntx, cntl_sub_packm_a( cntl ), gemm_thread_sub_ipackm( thread ) ); // Pack C1 (if instructed). bli_packm_int( &c1, c1_pack, cntx, cntl_sub_packm_c( cntl ), gemm_thread_sub_ipackm( thread ) ); // Perform gemm subproblem. bli_gemm_int( &BLIS_ONE, a1_pack, b_pack, &BLIS_ONE, c1_pack, cntx, cntl_sub_gemm( cntl ), gemm_thread_sub_gemm( thread ) ); thread_ibarrier( thread ); // Unpack C1 (if C1 was packed). // Currently must be done by 1 thread bli_unpackm_int( c1_pack, &c1, cntx, cntl_sub_unpackm_c( cntl ), gemm_thread_sub_ipackm( thread ) ); } // If any packing buffers were acquired within packm, release them back // to the memory manager. thread_obarrier( thread ); if( thread_am_ochief( thread ) ) bli_packm_release( b_pack, cntl_sub_packm_b( cntl ) ); if( thread_am_ichief( thread ) ){ bli_packm_release( a1_pack, cntl_sub_packm_a( cntl ) ); bli_packm_release( c1_pack, cntl_sub_packm_c( cntl ) ); } }
void bli_gemm_blk_var3f( obj_t* a, obj_t* b, obj_t* c, gemm_t* cntl, gemm_thrinfo_t* thread ) { obj_t c_pack_s; obj_t a1_pack_s, b1_pack_s; obj_t a1, b1; obj_t* a1_pack = NULL; obj_t* b1_pack = NULL; obj_t* c_pack = NULL; dim_t i; dim_t b_alg; dim_t k_trans; if( thread_am_ochief( thread ) ){ // Initialize object for packing C bli_obj_init_pack( &c_pack_s ); bli_packm_init( c, &c_pack_s, cntl_sub_packm_c( cntl ) ); // Scale C by beta (if instructed). bli_scalm_int( &BLIS_ONE, c, cntl_sub_scalm( cntl ) ); } c_pack = thread_obroadcast( thread, &c_pack_s ); // Initialize pack objects for A and B that are passed into packm_init(). if( thread_am_ichief( thread ) ){ bli_obj_init_pack( &a1_pack_s ); bli_obj_init_pack( &b1_pack_s ); } a1_pack = thread_ibroadcast( thread, &a1_pack_s ); b1_pack = thread_ibroadcast( thread, &b1_pack_s ); // Pack C (if instructed). bli_packm_int( c, c_pack, cntl_sub_packm_c( cntl ), gemm_thread_sub_opackm( thread ) ); // Query dimension in partitioning direction. k_trans = bli_obj_width_after_trans( *a ); // Partition along the k dimension. for ( i = 0; i < k_trans; i += b_alg ) { // Determine the current algorithmic blocksize. // NOTE: We call a gemm/hemm/symm-specific function to determine // the kc blocksize so that we can implement the "nudging" of kc // to be a multiple of mr or nr, as needed. b_alg = bli_gemm_determine_kc_f( i, k_trans, a, b, cntl_blocksize( cntl ) ); // Acquire partitions for A1 and B1. bli_acquire_mpart_l2r( BLIS_SUBPART1, i, b_alg, a, &a1 ); bli_acquire_mpart_t2b( BLIS_SUBPART1, i, b_alg, b, &b1 ); // Initialize objects for packing A1 and B1. if( thread_am_ichief( thread ) ) { bli_packm_init( &a1, a1_pack, cntl_sub_packm_a( cntl ) ); bli_packm_init( &b1, b1_pack, cntl_sub_packm_b( cntl ) ); } thread_ibarrier( thread ); // Pack A1 (if instructed). bli_packm_int( &a1, a1_pack, cntl_sub_packm_a( cntl ), gemm_thread_sub_ipackm( thread ) ); // Pack B1 (if instructed). bli_packm_int( &b1, b1_pack, cntl_sub_packm_b( cntl ), gemm_thread_sub_ipackm( thread ) ); // Perform gemm subproblem. bli_gemm_int( &BLIS_ONE, a1_pack, b1_pack, &BLIS_ONE, c_pack, cntl_sub_gemm( cntl ), gemm_thread_sub_gemm( thread) ); // This variant executes multiple rank-k updates. Therefore, if the // internal beta scalar on matrix C is non-zero, we must use it // only for the first iteration (and then BLIS_ONE for all others). // And since c_pack is a local obj_t, we can simply overwrite the // internal beta scalar with BLIS_ONE once it has been used in the // first iteration. thread_ibarrier( thread ); if ( i == 0 && thread_am_ichief( thread ) ) bli_obj_scalar_reset( c_pack ); } thread_obarrier( thread ); // Unpack C (if C was packed). bli_unpackm_int( c_pack, c, cntl_sub_unpackm_c( cntl ), gemm_thread_sub_opackm( thread ) ); // If any packing buffers were acquired within packm, release them back // to the memory manager. if( thread_am_ochief( thread ) ) bli_packm_release( c_pack, cntl_sub_packm_c( cntl ) ); if( thread_am_ichief( thread ) ){ bli_packm_release( a1_pack, cntl_sub_packm_a( cntl ) ); bli_packm_release( b1_pack, cntl_sub_packm_b( cntl ) ); } }