Details

sample34.0ms

Algorithm

intervals

Results

22.0ms

303×

body

valid

simplify41.0ms

Algorithm

egg-herbie

Counts

1 → 1

Iterations

Useful iterations: 0 (1.0ms)

Iter	Nodes	Cost
0	31	10
1	90	10
2	384	10
3	1828	10
4	5001	10

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 12.8b

localize14.0ms

Local error

Found 4 expressions with local error:

0.2b	(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
0.3b	(/ 1.0 (- (* b b) (* a a)))
5.9b	(- (* b b) (* a a))
6.0b	(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite249.0ms

Algorithm

rewrite-expression-head

Rules

515×	`times-frac`
419×	`add-sqr-sqrt`
403×	`*-un-lft-identity`
395×	`add-cube-cbrt`
339×	`prod-diff`
171×	`distribute-rgt-in` `distribute-lft-in`
57×	`div-inv`
36×	`add-exp-log` `add-cbrt-cube`
30×	`associate-r`
14×	`frac-times` `associate-l`
13×	`prod-exp` `cbrt-unprod`
12×	`difference-of-squares`
11×	`pow1`
9×	`cbrt-undiv` `div-exp`
8×	`associate-r/` `associate-l/`
7×	`flip3--` `flip--`
6×	`add-log-exp`
5×	`distribute-lft-out--`
4×	`expm1-log1p-u` `pow-prod-down` `associate-/r*` `associate-/r/` `frac-sub` `log1p-expm1-u` `unswap-sqr`
3×	`sub-neg` `associate-/l*`
2×	`*-commutative`
1×	`frac-2neg` `fma-neg` `diff-log` `clear-num`

Counts

4 → 501

Calls

4 calls:

45.0ms	(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
13.0ms	(/ 1.0 (- (* b b) (* a a)))
11.0ms	(- (* b b) (* a a))
143.0ms	(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

series196.0ms

Counts

4 → 12

Calls

4 calls:

50.0ms	(* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a))))
39.0ms	(/ 1.0 (- (* b b) (* a a)))
27.0ms	(- (* b b) (* a a))
81.0ms	(* (* (/ PI 2.0) (/ 1.0 (- (* b b) (* a a)))) (- (/ 1.0 a) (/ 1.0 b)))

simplify156.0ms

Algorithm

egg-herbie

Counts

513 → 513

Iterations

Useful iterations: 1 (47.0ms)

Iter	Nodes	Cost
0	2481	15016
1	5002	13008

prune1.8s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 5.8b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b	(- (/ 1.0 a) (/ 1.0 b))
0.2b	(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
0.3b	(/ (/ PI 2.0) (+ b a))
6.0b	(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

rewrite364.0ms

Algorithm

rewrite-expression-head

Rules

940×	`times-frac`
738×	`*-un-lft-identity`
713×	`add-sqr-sqrt`
662×	`add-cube-cbrt`
507×	`prod-diff`
171×	`distribute-rgt-in` `distribute-lft-in`
95×	`div-inv`
59×	`add-exp-log` `associate-l` `add-cbrt-cube`
33×	`associate-r`
27×	`distribute-lft-out`
21×	`cbrt-undiv` `div-exp`
19×	`prod-exp` `cbrt-unprod`
14×	`frac-times`
13×	`fma-neg` `associate-/l*` `distribute-lft-out--`
11×	`pow1` `difference-of-squares`
8×	`associate-r/` `associate-l/`
6×	`flip3--` `associate-/r/` `flip--` `add-log-exp` `unswap-sqr`
5×	`frac-sub`
4×	`expm1-log1p-u` `pow-prod-down` `associate-/r*` `log1p-expm1-u`
3×	`sub-neg`
2×	`flip3-+` `*-commutative` `flip-+`
1×	`frac-2neg` `diff-log` `clear-num` `associate-/l/`

Counts

4 → 801

Calls

4 calls:

32.0ms	(- (/ 1.0 a) (/ 1.0 b))
78.0ms	(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
18.0ms	(/ (/ PI 2.0) (+ b a))
172.0ms	(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

series226.0ms

Counts

4 → 12

Calls

4 calls:

28.0ms	(- (/ 1.0 a) (/ 1.0 b))
58.0ms	(* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a)))
49.0ms	(/ (/ PI 2.0) (+ b a))
91.0ms	(* (* (/ (/ PI 2.0) (+ b a)) (/ 1.0 (- b a))) (- (/ 1.0 a) (/ 1.0 b)))

simplify209.0ms

Algorithm

egg-herbie

Counts

813 → 813

Iterations

Useful iterations: 1 (51.0ms)

Iter	Nodes	Cost
0	2928	20392
1	5001	18352

prune3.2s

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.0b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b	(- (/ 1.0 a) (/ 1.0 b))
0.2b	(* (/ (/ PI 2.0) (+ b a)) (* (/ 1.0 (- b a)) (- (/ 1.0 a) (/ 1.0 b))))
0.3b	(/ (/ PI 2.0) (+ b a))
0.3b	(* (/ 1.0 (- b a)) (- (/ 1.0 a) (/ 1.0 b)))

rewrite564.0ms

Algorithm

rewrite-expression-head

Rules

1868×	`times-frac`
1466×	`*-un-lft-identity`
1425×	`add-sqr-sqrt`
1390×	`add-cube-cbrt`
1183×	`prod-diff`
855×	`distribute-rgt-in` `distribute-lft-in`
199×	`div-inv`
79×	`associate-l`
50×	`add-exp-log` `add-cbrt-cube`
27×	`distribute-lft-out`
17×	`prod-exp` `cbrt-unprod`
16×	`cbrt-undiv` `frac-times` `associate-*r/` `div-exp`
13×	`fma-neg` `associate-r` `associate-/l*` `distribute-lft-out--`
11×	`pow1` `difference-of-squares`
8×	`flip3--` `flip--`
7×	`sub-neg` `frac-sub`
6×	`associate-/r/` `add-log-exp`
4×	`expm1-log1p-u` `pow-prod-down` `associate-l/` `associate-/r` `log1p-expm1-u`
2×	`flip3-+` `*-commutative` `flip-+` `unswap-sqr`
1×	`frac-2neg` `diff-log` `clear-num` `associate-/l/`

Counts

4 → 1481

Calls

4 calls:

35.0ms	(- (/ 1.0 a) (/ 1.0 b))
227.0ms	(* (/ (/ PI 2.0) (+ b a)) (* (/ 1.0 (- b a)) (- (/ 1.0 a) (/ 1.0 b))))
17.0ms	(/ (/ PI 2.0) (+ b a))
135.0ms	(* (/ 1.0 (- b a)) (- (/ 1.0 a) (/ 1.0 b)))

series217.0ms

Counts

4 → 12

Calls

4 calls:

32.0ms	(- (/ 1.0 a) (/ 1.0 b))
85.0ms	(* (/ (/ PI 2.0) (+ b a)) (* (/ 1.0 (- b a)) (- (/ 1.0 a) (/ 1.0 b))))
46.0ms	(/ (/ PI 2.0) (+ b a))
53.0ms	(* (/ 1.0 (- b a)) (- (/ 1.0 a) (/ 1.0 b)))

simplify377.0ms

Algorithm

egg-herbie

Counts

1493 → 1493

Iterations

Useful iterations: 0 (24.0ms)

Iter	Nodes	Cost
0	5002	44700

prune14.0s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0b

localize16.0ms

Local error

Found 4 expressions with local error:

0.2b	(* (/ (/ PI 2.0) (+ b a)) (* (/ 1.0 (- b a)) (/ (- (* 1.0 b) (* a 1.0)) (* a b))))
0.3b	(/ (/ PI 2.0) (+ b a))
0.3b	(* (/ 1.0 (- b a)) (/ (- (* 1.0 b) (* a 1.0)) (* a b)))
11.2b	(/ (- (* 1.0 b) (* a 1.0)) (* a b))

rewrite219.0ms

Algorithm

rewrite-expression-head

Rules

207×	`times-frac`
168×	`*-un-lft-identity`
143×	`add-exp-log` `add-cbrt-cube`
119×	`add-sqr-sqrt`
108×	`add-cube-cbrt`
79×	`associate-l`
54×	`cbrt-undiv` `div-exp` `prod-exp` `cbrt-unprod`
27×	`distribute-lft-out`
16×	`associate-/l*`
14×	`div-inv`
11×	`pow1`
8×	`associate-r`
6×	`frac-times` `associate-*r/` `associate-/r/`
5×	`associate-/r*`
4×	`expm1-log1p-u` `pow-prod-down` `associate-*l/` `log1p-expm1-u` `add-log-exp`
3×	`associate-/l/` `distribute-lft-out--` `difference-of-squares`
2×	`flip3--` `frac-2neg` `flip3-+` `clear-num` `*-commutative` `flip--` `flip-+` `unswap-sqr`
1×	`div-sub`

Counts

4 → 290

Calls

4 calls:

106.0ms	(* (/ (/ PI 2.0) (+ b a)) (* (/ 1.0 (- b a)) (/ (- (* 1.0 b) (* a 1.0)) (* a b))))
19.0ms	(/ (/ PI 2.0) (+ b a))
56.0ms	(* (/ 1.0 (- b a)) (/ (- (* 1.0 b) (* a 1.0)) (* a b)))
21.0ms	(/ (- (* 1.0 b) (* a 1.0)) (* a b))

series286.0ms

Counts

4 → 12

Calls

4 calls:

113.0ms	(* (/ (/ PI 2.0) (+ b a)) (* (/ 1.0 (- b a)) (/ (- (* 1.0 b) (* a 1.0)) (* a b))))
46.0ms	(/ (/ PI 2.0) (+ b a))
73.0ms	(* (/ 1.0 (- b a)) (/ (- (* 1.0 b) (* a 1.0)) (* a b)))
53.0ms	(/ (- (* 1.0 b) (* a 1.0)) (* a b))

simplify63.0ms

Algorithm

egg-herbie

Counts

302 → 302

Iterations

Useful iterations: 1 (30.0ms)

Iter	Nodes	Cost
0	1321	3615
1	5002	2831

prune1.1s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0b

regimes112.0ms

Accuracy

0% (0.3b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 0.4b

bsearch0.0ms

simplify1.0ms

Algorithm

egg-herbie

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	23	12
1	23	12

end0.0ms

sample764.0ms

Algorithm

intervals

Results

599.0ms

9634×

body

valid