void compute_delay_lookup_tables(struct s_router_opts router_opts,
struct s_det_routing_arch det_routing_arch, t_segment_inf * segment_inf,
t_timing_inf timing_inf, t_chan_width_dist chan_width_dist, INP t_direct_inf *directs,
INP int num_directs) {
static struct s_net *original_net; /*this will be used as a pointer to remember what */
/*the "real" nets in the circuit are. This is */
/*required because we are using the net structure */
/*in these routines to find delays between blocks */
static struct s_block *original_block; /*same def as original_nets, but for block */
static int original_num_nets;
static int original_num_blocks;
static int longest_length;
load_simplified_device();
alloc_and_assign_internal_structures(&original_net, &original_block,
&original_num_nets, &original_num_blocks);
setup_chan_width(router_opts, chan_width_dist);
#ifdef INTERPOSER_BASED_ARCHITECTURE
/* Change the number of cuts to zero to avoid running the cut routine
* at build_rr_graph. This is because placement uses only deltas to estimate
* the delay between two points, and having a non-homogeneous chip only
* generates noise */
int temp_num_cuts = num_cuts;
num_cuts = 0;
#endif
alloc_routing_structs(router_opts, det_routing_arch, segment_inf,
timing_inf, directs, num_directs);
#ifdef INTERPOSER_BASED_ARCHITECTURE
num_cuts = temp_num_cuts;
#endif
longest_length = get_longest_segment_length(det_routing_arch, segment_inf);
/*now setup and compute the actual arrays */
alloc_delta_arrays();
compute_delta_arrays(router_opts, det_routing_arch, segment_inf, timing_inf,
longest_length);
/*free all data structures that are no longer needed */
free_routing_structs(router_opts, det_routing_arch, segment_inf,
timing_inf);
restore_original_device();
free_and_reset_internal_structures(original_net, original_block,
original_num_nets, original_num_blocks);
}
void
compute_delay_lookup_tables(struct s_router_opts router_opts,
struct s_det_routing_arch det_routing_arch,
t_segment_inf * segment_inf,
t_timing_inf timing_inf,
t_chan_width_dist chan_width_dist)
{
static struct s_net *original_net; /*this will be used as a pointer to remember what */
/*the "real" nets in the circuit are. This is */
/*required because we are using the net structure */
/*in these routines to find delays between blocks */
static struct s_block *original_block; /*same def as original_nets, but for block */
static int original_num_nets;
static int original_num_blocks;
static int longest_length;
load_simplified_device();
alloc_and_assign_internal_structures(&original_net,
&original_block,
&original_num_nets,
&original_num_blocks);
setup_chan_width(router_opts, chan_width_dist);
alloc_routing_structs(router_opts, det_routing_arch, segment_inf,
timing_inf);
longest_length =
get_longest_segment_length(det_routing_arch, segment_inf);
/*now setup and compute the actual arrays */
alloc_delta_arrays();
compute_delta_arrays(router_opts, det_routing_arch, segment_inf,
timing_inf, longest_length);
/*free all data structures that are no longer needed */
free_routing_structs(router_opts, det_routing_arch, segment_inf,
timing_inf);
restore_original_device();
free_and_reset_internal_structures(original_net, original_block,
original_num_nets,
original_num_blocks);
}