Details

sample42.0ms

Algorithm

intervals

Results

8.0ms	206×	body	80	valid
6.0ms	28×	body	2560	valid
5.0ms	28×	body	1280	valid
4.0ms	107×	body	80	nan
2.0ms	13×	body	640	valid
1.0ms	2×	body	5120	valid
0.0ms	6×	body	160	valid
0.0ms	4×	body	320	valid

simplify65.0ms

Counts

1 → 1

Iterations

Useful iterations: 2 (7.0ms)

Iter	Nodes	Cost
0	14	17
1	24	17
2	44	16
3	78	16
4	91	16
5	99	16
done	99	16

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.5b

localize11.0ms

Local error

Found 4 expressions with local error:

0.1b	(/ (- (sqrt (- (* b b) (* (* 4.0 a) c))) b) (* 2.0 a))
1.0b	(- (* b b) (* (* 4.0 a) c))
1.2b	(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
21.3b	(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite145.0ms

Algorithm

rewrite-expression-head

Rules

20×	`add-sqr-sqrt`
13×	`*-un-lft-identity`
9×	`add-exp-log` `add-cbrt-cube`
8×	`add-log-exp`
7×	`add-cube-cbrt`
6×	`times-frac` `sqrt-prod` `associate-/l*` `difference-of-squares`
5×	`pow1`
4×	`flip3--` `flip--`
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 → 72

Calls

4 calls:

83.0ms	(/ (- (sqrt (- (* b b) (* (* 4.0 a) c))) b) (* 2.0 a))
8.0ms	(- (* b b) (* (* 4.0 a) c))
41.0ms	(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
11.0ms	(sqrt (- (* b b) (* (* 4.0 a) c)))

series323.0ms

Counts

4 → 12

Calls

4 calls:

114.0ms	(/ (- (sqrt (- (* b b) (* (* 4.0 a) c))) b) (* 2.0 a))
51.0ms	(- (* b b) (* (* 4.0 a) c))
81.0ms	(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
78.0ms	(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify2.0s

Counts

84 → 84

Iterations

Useful iterations: 3 (1.0s)

Iter	Nodes	Cost
0	154	1592
1	386	1488
2	1233	1332
3	4648	1324
done	5002	1324

prune231.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 6.5b

localize16.0ms

Local error

Found 4 expressions with local error:

0.2b	(/ 1 (/ (* 2.0 a) (- (sqrt (- (* b b) (* (* 4.0 a) c))) b)))
1.0b	(- (* b b) (* (* 4.0 a) c))
1.2b	(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
21.3b	(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite119.0ms

Algorithm

rewrite-expression-head

Rules

60×	`times-frac`
47×	`add-sqr-sqrt`
36×	`*-un-lft-identity`
26×	`add-cube-cbrt`
25×	`add-exp-log`
13×	`add-cbrt-cube`
12×	`div-exp` `associate-/r*`
10×	`difference-of-squares`
9×	`associate-/r/`
8×	`sqrt-prod` `add-log-exp`
7×	`flip3--` `flip--`
6×	`pow1`
5×	`cbrt-undiv` `div-inv` `distribute-lft-out--`
3×	`rec-exp` `1-exp` `prod-exp` `associate-/l*`
2×	`sub-neg` `sqrt-div` `diff-log`
1×	`rem-sqrt-square` `pow-flip` `frac-2neg` `sqrt-pow1` `pow1/2` `clear-num` `cbrt-unprod` `inv-pow`

Counts

4 → 118

Calls

4 calls:

56.0ms	(/ 1 (/ (* 2.0 a) (- (sqrt (- (* b b) (* (* 4.0 a) c))) b)))
10.0ms	(- (* b b) (* (* 4.0 a) c))
40.0ms	(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
9.0ms	(sqrt (- (* b b) (* (* 4.0 a) c)))

series352.0ms

Counts

4 → 12

Calls

4 calls:

146.0ms	(/ 1 (/ (* 2.0 a) (- (sqrt (- (* b b) (* (* 4.0 a) c))) b)))
50.0ms	(- (* b b) (* (* 4.0 a) c))
84.0ms	(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
71.0ms	(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify813.0ms

Counts

130 → 130

Iterations

Useful iterations: done (809.0ms)

Iter	Nodes	Cost
0	220	3137
1	497	2801
2	1461	2561
done	5000	2481

prune248.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 6.4b

localize11.0ms

Local error

Found 4 expressions with local error:

0.1b	(/ (- (sqrt (- (* b b) (* (* 4.0 a) c))) b) a)
1.0b	(- (* b b) (* (* 4.0 a) c))
1.2b	(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
21.3b	(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite142.0ms

Algorithm

rewrite-expression-head

Rules

37×	`add-sqr-sqrt`
26×	`*-un-lft-identity`
18×	`times-frac`
16×	`add-cube-cbrt`
10×	`difference-of-squares`
8×	`sqrt-prod` `add-log-exp`
6×	`add-exp-log` `add-cbrt-cube` `associate-/l*`
5×	`pow1` `distribute-lft-out--`
4×	`flip3--` `flip--`
3×	`associate-/r*`
2×	`sub-neg` `sqrt-div` `diff-log` `associate-/l/`
1×	`cbrt-undiv` `rem-sqrt-square` `frac-2neg` `sqrt-pow1` `pow1/2` `div-sub` `div-exp` `clear-num` `div-inv`

Counts

4 → 84

Calls

4 calls:

79.0ms	(/ (- (sqrt (- (* b b) (* (* 4.0 a) c))) b) a)
8.0ms	(- (* b b) (* (* 4.0 a) c))
41.0ms	(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
12.0ms	(sqrt (- (* b b) (* (* 4.0 a) c)))

series313.0ms

Counts

4 → 12

Calls

4 calls:

106.0ms	(/ (- (sqrt (- (* b b) (* (* 4.0 a) c))) b) a)
51.0ms	(- (* b b) (* (* 4.0 a) c))
84.0ms	(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
72.0ms	(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify2.2s

Counts

96 → 96

Iterations

Useful iterations: done (2.1s)

Iter	Nodes	Cost
0	158	1888
1	372	1774
2	1047	1658
3	3342	1650
done	5000	1644

prune234.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 6.4b

localize12.0ms

Local error

Found 4 expressions with local error:

0.2b	(/ 1 (/ a (- (sqrt (- (* b b) (* (* 4.0 a) c))) b)))
1.0b	(- (* b b) (* (* 4.0 a) c))
1.2b	(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
21.3b	(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite123.0ms

Algorithm

rewrite-expression-head

Rules

144×	`times-frac`
123×	`add-sqr-sqrt`
96×	`*-un-lft-identity`
70×	`add-cube-cbrt`
26×	`difference-of-squares`
24×	`associate-/r*`
16×	`sqrt-prod`
15×	`add-exp-log`
13×	`distribute-lft-out--`
9×	`associate-/r/` `add-cbrt-cube`
8×	`add-log-exp`
7×	`flip3--` `div-exp` `flip--`
6×	`pow1`
5×	`div-inv`
3×	`cbrt-undiv` `associate-/l*`
2×	`sub-neg` `rec-exp` `sqrt-div` `diff-log` `1-exp`
1×	`rem-sqrt-square` `pow-flip` `frac-2neg` `sqrt-pow1` `pow1/2` `clear-num` `inv-pow`

Counts

4 → 162

Calls

4 calls:

56.0ms	(/ 1 (/ a (- (sqrt (- (* b b) (* (* 4.0 a) c))) b)))
7.0ms	(- (* b b) (* (* 4.0 a) c))
42.0ms	(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
9.0ms	(sqrt (- (* b b) (* (* 4.0 a) c)))

series350.0ms

Counts

4 → 12

Calls

4 calls:

140.0ms	(/ 1 (/ a (- (sqrt (- (* b b) (* (* 4.0 a) c))) b)))
46.0ms	(- (* b b) (* (* 4.0 a) c))
87.0ms	(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
76.0ms	(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify1.9s

Counts

174 → 174

Iterations

Useful iterations: 3 (914.0ms)

Iter	Nodes	Cost
0	262	4494
1	564	3975
2	1388	3678
3	4268	3598
done	5000	3598

prune295.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 6.4b

regimes234.0ms

Accuracy

83.5% (4.6b remaining)

Error of 10.0b against oracle of 5.4b and baseline of 33.5b

bsearch202.0ms

Steps

Iters	Range		Point
6	2.0335150395734557e+19	1.0746392320557105e+20	2.9494967590524297e+19
6	3.6410892437809104e-110	3.0960233903298005e-109	3.7052502960789305e-110
8	1.0691773024250323e-170	5.5548132533506025e-168	2.175674080408203e-169
9	-1.4924982923623064e+60	-5.817343306680769e+54	-1.4784065354805617e+60

simplify21.0ms

Iterations

Useful iterations: 1 (3.0ms)

Iter	Nodes	Cost
0	42	85
1	56	80
2	64	80
3	72	80
4	76	80
5	79	80
6	81	80
done	81	80

end0.0ms

sample1.2s

Algorithm

intervals

Results

233.0ms	5926×	body	80	valid
220.0ms	1042×	body	2560	valid
162.0ms	905×	body	1280	valid
104.0ms	2856×	body	80	nan
62.0ms	463×	body	640	valid
26.0ms	102×	body	5120	valid
23.0ms	225×	body	320	valid
7.0ms	95×	body	160	valid