74 lines
2.3 KiB
C++
74 lines
2.3 KiB
C++
#ifndef FLUTE_HPP_
|
|
#define FLUTE_HPP_
|
|
|
|
#include <algorithm>
|
|
#include <climits>
|
|
#include <cmath>
|
|
#include <cstdio>
|
|
#include <cstdlib>
|
|
|
|
namespace Flute {
|
|
|
|
#define DEGREE 9 // LUT will be used when d <= DEGREE, DEGREE <= 9
|
|
#define FLUTEROUTING 1 // 1 to construct routing, 0 to estimate WL only
|
|
#define REMOVE_DUPLICATE_PIN 0 // Remove dup. pin for flute_wl() & flute()
|
|
#define ACCURACY 8 // Default accuracy is 3
|
|
#define FLUTE_ACCURACY 8
|
|
// #define MAXD 2008840 // max. degree of a net that can be handled
|
|
#define MAXD 1000 // max. degree of a net that can be handled
|
|
|
|
using DType = int;
|
|
using DTYPE = int;
|
|
|
|
// TODO:
|
|
// 1. replace macros with constexpr variables
|
|
// 2. construct a param struct
|
|
// 3. replace all malloc-free contents
|
|
// 4. clear inconsistent comments
|
|
|
|
struct Branch {
|
|
DType x, y; // starting point of the branch
|
|
int n; // index of neighbor
|
|
};
|
|
|
|
struct Tree {
|
|
int deg; // degree
|
|
DType length; // total wirelength
|
|
Branch* branch; // array of tree branches
|
|
};
|
|
|
|
// Major functions
|
|
void readLUT(const char* powv, const char* post);
|
|
DType flute_wl(int d, DType* x, DType* y, int acc);
|
|
Tree flute(int d, DType* x, DType* y, int acc);
|
|
DType wirelength(Tree t);
|
|
void printtree(Tree t);
|
|
|
|
// Other useful functions
|
|
DType flutes_wl_LD(int d, DType* xs, DType* ys, int* s);
|
|
DType flutes_wl_MD(int d, DType* xs, DType* ys, int* s, int acc);
|
|
DType flutes_wl_RDP(int d, DType* xs, DType* ys, int* s, int acc);
|
|
Tree flutes_LD(int d, DType* xs, DType* ys, int* s);
|
|
Tree flutes_MD(int d, DType* xs, DType* ys, int* s, int acc);
|
|
Tree flutes_RDP(int d, DType* xs, DType* ys, int* s, int acc);
|
|
|
|
#if REMOVE_DUPLICATE_PIN == 1
|
|
#define flutes_wl(d, xs, ys, s, acc) flutes_wl_RDP(d, xs, ys, s, acc)
|
|
#define flutes(d, xs, ys, s, acc) flutes_RDP(d, xs, ys, s, acc)
|
|
#else
|
|
#define flutes_wl(d, xs, ys, s, acc) flutes_wl_ALLD(d, xs, ys, s, acc)
|
|
#define flutes(d, xs, ys, s, acc) flutes_ALLD(d, xs, ys, s, acc)
|
|
#endif
|
|
|
|
#define flutes_wl_ALLD(d, xs, ys, s, acc) flutes_wl_LMD(d, xs, ys, s, acc)
|
|
#define flutes_ALLD(d, xs, ys, s, acc) flutes_LMD(d, xs, ys, s, acc)
|
|
|
|
#define flutes_wl_LMD(d, xs, ys, s, acc) \
|
|
(d <= DEGREE ? flutes_wl_LD(d, xs, ys, s) : flutes_wl_MD(d, xs, ys, s, acc))
|
|
#define flutes_LMD(d, xs, ys, s, acc) \
|
|
(d <= DEGREE ? flutes_LD(d, xs, ys, s) : flutes_MD(d, xs, ys, s, acc))
|
|
|
|
} // namespace flute
|
|
|
|
#endif // FLUTE_HPP_
|