Details

sample82.0ms

Algorithm

intervals

Results

15.0ms	33×	body	2560	valid
14.0ms	181×	body	80	valid
10.0ms	27×	body	1280	valid
7.0ms	92×	body	80	nan
4.0ms	13×	body	640	valid
2.0ms	9×	body	320	valid
2.0ms	4×	body	5120	valid
1.0ms	6×	body	160	valid

simplify166.0ms

Counts

1 → 1

Iterations

Useful iterations: 2 (8.0ms)

Iter	Nodes	Cost
0	14	17
1	25	17
2	46	16
3	87	16
4	120	16
5	129	16
done	129	16

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.9b

localize22.0ms

Local error

Found 4 expressions with local error:

0.1b	(/ (- (sqrt (- (* b b) (* (* 4.0 a) c))) b) (* 2.0 a))
0.6b	(- (* b b) (* (* 4.0 a) c))
1.6b	(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
23.9b	(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite269.0ms

Algorithm

rewrite-expression-head

Rules

34×	`add-sqr-sqrt`
27×	`*-un-lft-identity`
21×	`add-cube-cbrt`
19×	`prod-diff`
18×	`sqrt-prod`
9×	`add-exp-log` `add-cbrt-cube`
8×	`add-log-exp`
7×	`fma-neg`
6×	`times-frac` `associate-/l*` `difference-of-squares`
5×	`pow1`
4×	`expm1-log1p-u` `flip3--` `flip--` `log1p-expm1-u`
3×	`distribute-lft-out--`
2×	`cbrt-undiv` `sub-neg` `sqrt-div` `diff-log` `div-exp` `associate-/l/`
1×	`rem-sqrt-square` `frac-2neg` `sqrt-pow1` `pow1/2` `div-sub` `prod-exp` `clear-num` `associate-/r*` `cbrt-unprod` `div-inv`

Counts

4 → 106

Calls

4 calls:

164.0ms	(/ (- (sqrt (- (* b b) (* (* 4.0 a) c))) b) (* 2.0 a))
9.0ms	(- (* b b) (* (* 4.0 a) c))
79.0ms	(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
13.0ms	(sqrt (- (* b b) (* (* 4.0 a) c)))

series632.0ms

Counts

4 → 12

Calls

4 calls:

213.0ms	(/ (- (sqrt (- (* b b) (* (* 4.0 a) c))) b) (* 2.0 a))
95.0ms	(- (* b b) (* (* 4.0 a) c))
167.0ms	(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
157.0ms	(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify2.6s

Counts

118 → 118

Iterations

Useful iterations: done (2.6s)

Iter	Nodes	Cost
0	195	2476
1	521	2183
2	2396	1862
done	5000	1794

prune488.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 5.3b

localize15.0ms

Local error

Found 4 expressions with local error:

0.2b	(* (- (sqrt (- (* b b) (* (* 4.0 a) c))) b) (/ 1 (* 2.0 a)))
0.6b	(- (* b b) (* (* 4.0 a) c))
1.6b	(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
23.9b	(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite301.0ms

Algorithm

rewrite-expression-head

Rules

33×	`add-sqr-sqrt`
26×	`*-un-lft-identity`
23×	`add-exp-log`
22×	`add-cube-cbrt`
19×	`prod-diff`
17×	`sqrt-prod`
13×	`add-cbrt-cube`
10×	`prod-exp`
8×	`add-log-exp`
7×	`pow1` `fma-neg` `associate-r`
6×	`associate-l`
5×	`flip3--` `flip--`
4×	`expm1-log1p-u` `div-exp` `cbrt-unprod` `log1p-expm1-u` `difference-of-squares`
3×	`times-frac`
2×	`cbrt-undiv` `frac-times` `sub-neg` `rec-exp` `sqrt-div` `diff-log` `1-exp` `associate-*l/` `distribute-lft-out--`
1×	`rem-sqrt-square` `sqrt-pow1` `pow1/2` `associate-r/` `pow-prod-down` `un-div-inv` `-commutative` `div-inv` `unswap-sqr`

Counts

4 → 115

Calls

4 calls:

201.0ms	(* (- (sqrt (- (* b b) (* (* 4.0 a) c))) b) (/ 1 (* 2.0 a)))
9.0ms	(- (* b b) (* (* 4.0 a) c))
71.0ms	(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
12.0ms	(sqrt (- (* b b) (* (* 4.0 a) c)))

series467.0ms

Counts

4 → 12

Calls

4 calls:

168.0ms	(* (- (sqrt (- (* b b) (* (* 4.0 a) c))) b) (/ 1 (* 2.0 a)))
74.0ms	(- (* b b) (* (* 4.0 a) c))
114.0ms	(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
112.0ms	(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify2.5s

Counts

127 → 127

Iterations

Useful iterations: done (2.5s)

Iter	Nodes	Cost
0	221	2739
1	593	2382
2	3109	1975
done	5001	1901

prune434.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 5.3b

localize23.0ms

Local error

Found 4 expressions with local error:

1.6b	(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
1.6b	(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
23.9b	(sqrt (- (* b b) (* (* 4.0 a) c)))
23.9b	(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite165.0ms

Algorithm

rewrite-expression-head

Rules

44×	`add-sqr-sqrt`
38×	`*-un-lft-identity`
36×	`prod-diff`
34×	`add-cube-cbrt`
32×	`sqrt-prod`
12×	`fma-neg`
8×	`add-log-exp`
6×	`pow1`
4×	`add-exp-log` `expm1-log1p-u` `flip3--` `sqrt-div` `add-cbrt-cube` `flip--` `log1p-expm1-u` `difference-of-squares`
2×	`sub-neg` `rem-sqrt-square` `sqrt-pow1` `pow1/2` `diff-log` `distribute-lft-out--`

Counts

4 → 116

Calls

4 calls:

68.0ms	(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
70.0ms	(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
12.0ms	(sqrt (- (* b b) (* (* 4.0 a) c)))
12.0ms	(sqrt (- (* b b) (* (* 4.0 a) c)))

series527.0ms

Counts

4 → 12

Calls

4 calls:

147.0ms	(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
146.0ms	(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
129.0ms	(sqrt (- (* b b) (* (* 4.0 a) c)))
104.0ms	(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify1.2s

Counts

128 → 128

Iterations

Useful iterations: done (1.2s)

Iter	Nodes	Cost
0	113	2856
1	295	2330
2	1225	1950
done	5001	1810

prune482.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 5.3b

localize41.0ms

Local error

Found 4 expressions with local error:

17.0b	(- (* (* (cbrt (sqrt (- (* b b) (* (* 4.0 a) c)))) (cbrt (sqrt (- (* b b) (* (* 4.0 a) c))))) (cbrt (sqrt (- (* b b) (* (* 4.0 a) c))))) b)
23.9b	(sqrt (- (* b b) (* (* 4.0 a) c)))
23.9b	(sqrt (- (* b b) (* (* 4.0 a) c)))
23.9b	(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite237.0ms

Algorithm

rewrite-expression-head

Rules

11×	`add-sqr-sqrt`
9×	`sqrt-prod`
8×	`add-cube-cbrt` `*-un-lft-identity`
7×	`pow1`
6×	`sqrt-div` `add-log-exp`
4×	`add-exp-log` `expm1-log1p-u` `flip3--` `add-cbrt-cube` `flip--` `log1p-expm1-u`
3×	`rem-sqrt-square` `sqrt-pow1` `pow1/2` `prod-diff`
1×	`sub-neg` `fma-neg` `diff-log`

Counts

4 → 69

Calls

4 calls:

183.0ms	(- (* (* (cbrt (sqrt (- (* b b) (* (* 4.0 a) c)))) (cbrt (sqrt (- (* b b) (* (* 4.0 a) c))))) (cbrt (sqrt (- (* b b) (* (* 4.0 a) c))))) b)
16.0ms	(sqrt (- (* b b) (* (* 4.0 a) c)))
23.0ms	(sqrt (- (* b b) (* (* 4.0 a) c)))
13.0ms	(sqrt (- (* b b) (* (* 4.0 a) c)))

series447.0ms

Counts

4 → 12

Calls

4 calls:

122.0ms	(- (* (* (cbrt (sqrt (- (* b b) (* (* 4.0 a) c)))) (cbrt (sqrt (- (* b b) (* (* 4.0 a) c))))) (cbrt (sqrt (- (* b b) (* (* 4.0 a) c))))) b)
102.0ms	(sqrt (- (* b b) (* (* 4.0 a) c)))
103.0ms	(sqrt (- (* b b) (* (* 4.0 a) c)))
119.0ms	(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify1.1s

Counts

81 → 81

Iterations

Useful iterations: done (1.1s)

Iter	Nodes	Cost
0	102	1879
1	286	1742
2	1269	1045
done	5000	1001

prune385.0ms

Pruning

7 alts after pruning (3 fresh and 4 done)

Merged error: 5.3b

regimes251.0ms

Accuracy

85.1% (4.2b remaining)

Error of 9.8b against oracle of 5.6b and baseline of 34.0b

bsearch180.0ms

Steps

Iters	Range		Point
7	1.2976235572645919e-73	6.718394677208045e-72	4.089744618622775e-73
7	-4.1637922183371475e+115	-1.3908068482385633e+114	-1.2857618218282695e+115

simplify7.0ms

Iterations

Useful iterations: 0 (1.0ms)

Iter	Nodes	Cost
0	26	38
1	31	38
done	31	38

end0.0ms

sample3.1s

Algorithm

intervals

Results

790.0ms	3047×	body	80	nan
546.0ms	5893×	body	80	valid
511.0ms	1092×	body	2560	valid
387.0ms	848×	body	1280	valid
184.0ms	463×	body	640	valid
45.0ms	235×	body	320	valid
45.0ms	96×	body	5120	valid
13.0ms	105×	body	160	valid