Details

Time bar (total: 19.5s)

sample130.0ms

Algorithm
intervals
Results
34.0ms88×body80nan
24.0ms186×body80valid
23.0ms29×body2560valid
17.0ms24×body1280valid
8.0ms17×body640valid
3.0ms10×body320valid
3.0msbody5120valid

simplify91.0ms

Counts
1 → 1
Iterations
IterNodes
895
795
694
592
484
367
243
124
014

prune19.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.4b

localize23.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (sqrt (- (* b b) (* (* 4 a) c))) b) a)
1.0b
(- (sqrt (- (* b b) (* (* 4 a) c))) b)
1.6b
(- (* b b) (* (* 4 a) c))
24.4b
(sqrt (- (* b b) (* (* 4 a) c)))

rewrite183.0ms

Algorithm
rewrite-expression-head
Rules
37×add-sqr-sqrt
26×*-un-lft-identity
18×times-frac
16×add-cube-cbrt
10×difference-of-squares
sqrt-prod add-log-exp
add-cbrt-cube add-exp-log associate-/l*
pow1 distribute-lft-out--
flip3-- insert-posit16 flip--
associate-/r*
sub-neg sqrt-div diff-log associate-/l/
cbrt-undiv rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 div-sub div-exp div-inv
Counts
4 → 88
Calls
4 calls:
85.0ms
(/ (- (sqrt (- (* b b) (* (* 4 a) c))) b) a)
66.0ms
(- (sqrt (- (* b b) (* (* 4 a) c))) b)
16.0ms
(- (* b b) (* (* 4 a) c))
14.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

series401.0ms

Counts
4 → 12
Calls
4 calls:
130.0ms
(/ (- (sqrt (- (* b b) (* (* 4 a) c))) b) a)
97.0ms
(- (sqrt (- (* b b) (* (* 4 a) c))) b)
76.0ms
(- (* b b) (* (* 4 a) c))
98.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

simplify1.5s

Counts
100 → 100
Iterations
IterNodes
33742
21119
1395
0161

prune1.0s

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 5.4b

localize24.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ a (- (sqrt (- (* b b) (* (* 4 a) c))) b)))
1.0b
(- (sqrt (- (* b b) (* (* 4 a) c))) b)
1.6b
(- (* b b) (* (* 4 a) c))
24.4b
(sqrt (- (* b b) (* (* 4 a) c)))

rewrite153.0ms

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--
add-cbrt-cube associate-/r/
add-log-exp
flip3-- div-exp flip--
pow1
div-inv
insert-posit16
cbrt-undiv associate-/l*
rec-exp sub-neg sqrt-div diff-log 1-exp
rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 pow-flip inv-pow
Counts
4 → 166
Calls
4 calls:
82.0ms
(/ 1 (/ a (- (sqrt (- (* b b) (* (* 4 a) c))) b)))
41.0ms
(- (sqrt (- (* b b) (* (* 4 a) c))) b)
14.0ms
(- (* b b) (* (* 4 a) c))
10.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

series418.0ms

Counts
4 → 12
Calls
4 calls:
179.0ms
(/ 1 (/ a (- (sqrt (- (* b b) (* (* 4 a) c))) b)))
89.0ms
(- (sqrt (- (* b b) (* (* 4 a) c))) b)
53.0ms
(- (* b b) (* (* 4 a) c))
96.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

simplify2.0s

Counts
178 → 178
Iterations
IterNodes
36101
21836
1643
0265

prune1.7s

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 5.4b

localize30.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ 1 a) (- (sqrt (+ (* (* -4 a) c) (* b b))) b))
1.0b
(- (sqrt (+ (* (* -4 a) c) (* b b))) b)
1.6b
(+ (* (* -4 a) c) (* b b))
24.4b
(sqrt (+ (* (* -4 a) c) (* b b)))

rewrite389.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
18×*-un-lft-identity
13×associate-*l* add-exp-log add-cube-cbrt
11×times-frac
add-cbrt-cube
add-log-exp
pow1
associate-*r*
sqrt-prod
prod-exp insert-posit16 difference-of-squares
sub-neg flip3-- flip-- unswap-sqr
distribute-rgt-in frac-times distribute-lft-in flip3-+ sqrt-div div-exp associate-*r/ cbrt-unprod flip-+ distribute-lft-out--
cbrt-undiv +-commutative rem-sqrt-square rec-exp sum-log sqrt-pow1 pow1/2 diff-log 1-exp pow-prod-down associate-*l/ *-commutative div-inv
Counts
4 → 91
Calls
4 calls:
223.0ms
(* (/ 1 a) (- (sqrt (+ (* (* -4 a) c) (* b b))) b))
114.0ms
(- (sqrt (+ (* (* -4 a) c) (* b b))) b)
18.0ms
(+ (* (* -4 a) c) (* b b))
33.0ms
(sqrt (+ (* (* -4 a) c) (* b b)))

series399.0ms

Counts
4 → 12
Calls
4 calls:
161.0ms
(* (/ 1 a) (- (sqrt (+ (* (* -4 a) c) (* b b))) b))
89.0ms
(- (sqrt (+ (* (* -4 a) c) (* b b))) b)
63.0ms
(+ (* (* -4 a) c) (* b b))
85.0ms
(sqrt (+ (* (* -4 a) c) (* b b)))

simplify1.5s

Counts
103 → 103
Iterations
IterNodes
34108
21183
1414
0157

prune1.0s

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 5.4b

localize21.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (sqrt (+ (* b b) (* (* c a) -4))) b) a)
1.0b
(- (sqrt (+ (* b b) (* (* c a) -4))) b)
1.6b
(+ (* b b) (* (* c a) -4))
24.4b
(sqrt (+ (* b b) (* (* c a) -4)))

rewrite132.0ms

Algorithm
rewrite-expression-head
Rules
37×add-sqr-sqrt
26×*-un-lft-identity
18×times-frac
16×add-cube-cbrt
10×difference-of-squares
sqrt-prod add-log-exp
add-cbrt-cube add-exp-log associate-/l*
pow1 distribute-lft-out--
insert-posit16
associate-/r*
flip3-+ flip3-- sqrt-div flip-+ flip-- associate-/l/
cbrt-undiv +-commutative rem-sqrt-square clear-num sum-log sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log div-sub div-exp div-inv
Counts
4 → 87
Calls
4 calls:
59.0ms
(/ (- (sqrt (+ (* b b) (* (* c a) -4))) b) a)
48.0ms
(- (sqrt (+ (* b b) (* (* c a) -4))) b)
18.0ms
(+ (* b b) (* (* c a) -4))
6.0ms
(sqrt (+ (* b b) (* (* c a) -4)))

series351.0ms

Counts
4 → 12
Calls
4 calls:
105.0ms
(/ (- (sqrt (+ (* b b) (* (* c a) -4))) b) a)
106.0ms
(- (sqrt (+ (* b b) (* (* c a) -4))) b)
48.0ms
(+ (* b b) (* (* c a) -4))
93.0ms
(sqrt (+ (* b b) (* (* c a) -4)))

simplify1.6s

Counts
99 → 99
Iterations
IterNodes
34209
21190
1410
0161

prune896.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 5.4b

regimes329.0ms

Accuracy

84.3% (4.4b remaining)

Error of 10.3b against oracle of 5.9b and baseline of 34.0b

bsearch198.0ms

Steps
ItersRangePoint
9
2.5177836961106285e-119
1.1213560046341023e-113
7.296044290893796e-114
7
-4.611849920572465e+95
-3.3021145473587595e+93
-3.7622181721724994e+94

simplify12.0ms

Iterations
IterNodes
235
135
029

end0.0ms

sample4.9s

Algorithm
intervals
Results
1.4s1091×body2560valid
1.1s5839×body80valid
727.0ms912×body1280valid
662.0ms461×body640valid
442.0ms2909×body80nan
130.0ms126×body5120valid
92.0ms226×body320valid
25.0ms98×body160valid