Details

Time bar (total: 25.9s)

sample154.0ms

Algorithm
intervals
Results
56.0ms177×body80valid
29.0ms36×body2560valid
18.0ms25×body1280valid
11.0ms81×body80nan
10.0ms19×body640valid
4.0msbody320valid
3.0msbody5120valid
1.0msbody160valid

simplify169.0ms

Counts
1 → 1
Iterations
IterNodes
8134
7134
6132
5129
4126
3103
262
128
014

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.2b

localize27.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
1.1b
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
1.2b
(- (* b b) (* 4 (* a c)))
23.5b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite103.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
19×*-un-lft-identity
10×add-log-exp
add-cbrt-cube add-exp-log
times-frac add-cube-cbrt associate-/l*
sqrt-prod distribute-lft-out-- difference-of-squares
pow1
flip3-- insert-posit16 flip--
distribute-rgt-neg-in diff-log
cbrt-undiv sub-neg sqrt-div div-exp associate-/l/
associate--l- neg-sub0 rem-sqrt-square clear-num associate-/r* frac-2neg sqrt-pow1 pow1/2 div-sub neg-log prod-exp cbrt-unprod div-inv
Counts
4 → 81
Calls
4 calls:
58.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
19.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
17.0ms
(- (* b b) (* 4 (* a c)))
7.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series408.0ms

Counts
4 → 12
Calls
4 calls:
122.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
116.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
65.0ms
(- (* b b) (* 4 (* a c)))
106.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify2.0s

Counts
93 → 93
Iterations
IterNodes
34241
21197
1400
0154

prune1.1s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 6.2b

localize26.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ (* 2 a) (- (- b) (sqrt (- (* b b) (* 4 (* a c)))))))
1.1b
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
1.2b
(- (* b b) (* 4 (* a c)))
23.5b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite99.0ms

Algorithm
rewrite-expression-head
Rules
67×times-frac
48×add-sqr-sqrt
47×*-un-lft-identity
27×add-cube-cbrt
25×add-exp-log
13×associate-/r* add-cbrt-cube
12×div-exp
10×distribute-lft-out-- add-log-exp difference-of-squares
associate-/r/
sqrt-prod
flip3-- flip--
pow1
cbrt-undiv distribute-rgt-neg-in div-inv
insert-posit16
rec-exp diff-log 1-exp prod-exp associate-/l*
sub-neg sqrt-div
associate--l- neg-sub0 rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 neg-log cbrt-unprod pow-flip inv-pow
Counts
4 → 129
Calls
4 calls:
43.0ms
(/ 1 (/ (* 2 a) (- (- b) (sqrt (- (* b b) (* 4 (* a c)))))))
36.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
10.0ms
(- (* b b) (* 4 (* a c)))
7.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series400.0ms

Counts
4 → 12
Calls
4 calls:
136.0ms
(/ 1 (/ (* 2 a) (- (- b) (sqrt (- (* b b) (* 4 (* a c)))))))
117.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
52.0ms
(- (* b b) (* 4 (* a c)))
94.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify3.7s

Counts
141 → 141
Iterations
IterNodes
36394
21609
1554
0229

prune1.3s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 6.1b

localize38.0ms

Local error

Found 4 expressions with local error:

1.2b
(- (* b b) (* (* a c) 4))
2.7b
(- (sqrt (- (* b b) (* (* a c) 4))) b)
15.2b
(* (- 0 (* -4 (* a c))) (/ 1/2 a))
23.5b
(sqrt (- (* b b) (* (* a c) 4)))

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
23×add-sqr-sqrt
15×*-un-lft-identity
13×associate-*r* add-cube-cbrt
10×times-frac
add-cbrt-cube add-exp-log
add-log-exp
pow1
flip3-- flip--
sqrt-prod insert-posit16
associate-*l*
frac-times sub-neg sqrt-div diff-log associate-*l/ prod-exp cbrt-unprod difference-of-squares unswap-sqr
distribute-lft-neg-out cbrt-undiv rem-sqrt-square sqrt-pow1 pow1/2 div-exp pow-prod-down associate-*r/ *-commutative div-inv distribute-lft-out-- sub0-neg
Counts
4 → 83
Calls
4 calls:
7.0ms
(- (* b b) (* (* a c) 4))
32.0ms
(- (sqrt (- (* b b) (* (* a c) 4))) b)
15.0ms
(* (- 0 (* -4 (* a c))) (/ 1/2 a))
7.0ms
(sqrt (- (* b b) (* (* a c) 4)))

series249.0ms

Counts
4 → 12
Calls
4 calls:
58.0ms
(- (* b b) (* (* a c) 4))
104.0ms
(- (sqrt (- (* b b) (* (* a c) 4))) b)
11.0ms
(* (- 0 (* -4 (* a c))) (/ 1/2 a))
75.0ms
(sqrt (- (* b b) (* (* a c) 4)))

simplify4.7s

Counts
95 → 95
Iterations
IterNodes
36417
21422
1453
0180

prune1.1s

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 6.1b

localize28.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* 2 c) (/ 1 (- (sqrt (- (* b b) (* (* a c) 4))) b)))
1.2b
(- (* b b) (* (* a c) 4))
2.7b
(- (sqrt (- (* b b) (* (* a c) 4))) b)
23.5b
(sqrt (- (* b b) (* (* a c) 4)))

rewrite137.0ms

Algorithm
rewrite-expression-head
Rules
32×add-sqr-sqrt
26×add-exp-log
24×associate-*r*
23×*-un-lft-identity
18×times-frac
16×add-cbrt-cube
15×add-cube-cbrt
12×prod-exp
10×pow1
add-log-exp difference-of-squares
sqrt-prod
cbrt-unprod
flip3-- div-exp insert-posit16 flip-- distribute-lft-out--
pow-prod-down
cbrt-undiv rec-exp sub-neg sqrt-div diff-log 1-exp associate-/r/
rem-sqrt-square sqrt-pow1 pow1/2 associate-*l* associate-*r/ un-div-inv *-commutative div-inv
Counts
4 → 95
Calls
4 calls:
83.0ms
(* (* 2 c) (/ 1 (- (sqrt (- (* b b) (* (* a c) 4))) b)))
13.0ms
(- (* b b) (* (* a c) 4))
31.0ms
(- (sqrt (- (* b b) (* (* a c) 4))) b)
7.0ms
(sqrt (- (* b b) (* (* a c) 4)))

series573.0ms

Counts
4 → 12
Calls
4 calls:
310.0ms
(* (* 2 c) (/ 1 (- (sqrt (- (* b b) (* (* a c) 4))) b)))
55.0ms
(- (* b b) (* (* a c) 4))
108.0ms
(- (sqrt (- (* b b) (* (* a c) 4))) b)
100.0ms
(sqrt (- (* b b) (* (* a c) 4)))

simplify2.8s

Counts
107 → 107
Iterations
IterNodes
34764
21501
1509
0185

prune1.1s

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 6.1b

regimes531.0ms

Accuracy

95.7% (1.0b remaining)

Error of 6.7b against oracle of 5.7b and baseline of 29.7b

bsearch286.0ms

Steps
ItersRangePoint
6
1.890398075878753e+149
8.723340275486535e+149
4.0392005370549217e+149
7
-5.199438090477325e-294
-2.7067083760276696e-295
-2.7394104193355045e-295
5
-4.5624341740005415e+97
-1.2645606246842859e+97
-4.463381827278506e+97

simplify14.0ms

Iterations
IterNodes
244
144
036

end0.0ms

sample4.8s

Algorithm
intervals
Results
1.5s1119×body2560valid
871.0ms5783×body80valid
763.0ms901×body1280valid
584.0ms128×body5120valid
361.0ms2863×body80nan
262.0ms471×body640valid
129.0ms230×body320valid
51.0ms108×body160valid