Details

Time bar (total: 13.2s)

sample86.0ms

Algorithm
intervals
Results
16.0ms36×body2560valid
14.0ms188×body80valid
9.0ms24×body1280valid
8.0ms108×body80nan
4.0ms17×body640valid
2.0msbody5120valid
1.0msbody320valid
1.0msbody160valid

simplify134.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (14.0ms)

IterNodesCost
01417
12417
24416
37916
49916
510716
done10716

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.5b

localize374.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
0.6b
(- (* b b) (* (* 4.0 a) c))
1.4b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
22.8b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite151.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
10×add-log-exp
add-exp-log add-cbrt-cube
add-sqr-sqrt
add-cube-cbrt
distribute-lft-out
pow1 times-frac associate-/l*
distribute-rgt-neg-in sqrt-prod
cbrt-undiv neg-sub0 associate-+l- flip3-- flip3-+ sqrt-div div-exp sum-log flip-- flip-+ associate-/l/
+-commutative sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 diff-log div-sub neg-log prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 70
Calls
4 calls:
93.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
9.0ms
(- (* b b) (* (* 4.0 a) c))
32.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
16.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series429.0ms

Counts
4 → 12
Calls
4 calls:
153.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
51.0ms
(- (* b b) (* (* 4.0 a) c))
132.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
93.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify1.0s

Counts
82 → 82
Iterations

Useful iterations: done (1.0s)

IterNodesCost
01541565
14211461
219321245
done50001239

prune298.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 4.1b

localize23.0ms

Local error

Found 4 expressions with local error:

1.3b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
2.0b
(/ (/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
8.0b
(/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
22.8b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite254.0ms

Algorithm
rewrite-expression-head
Rules
90×times-frac
84×add-sqr-sqrt
83×*-un-lft-identity
39×add-cube-cbrt
30×associate-/l*
22×distribute-lft-out-- difference-of-squares
18×add-exp-log add-cbrt-cube
14×sqrt-prod
11×distribute-rgt-neg-in
associate-/r* add-log-exp
cbrt-undiv div-exp
associate-/r/
pow1 flip3-- flip--
div-inv
associate-/l/
frac-2neg sqrt-div diff-log prod-exp clear-num cbrt-unprod
associate--l- neg-sub0 sub-neg rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 neg-log flip-+
Counts
4 → 154
Calls
4 calls:
32.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
108.0ms
(/ (/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
89.0ms
(/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
16.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series587.0ms

Counts
4 → 12
Calls
4 calls:
85.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
181.0ms
(/ (/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
238.0ms
(/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
83.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify1.7s

Counts
166 → 166
Iterations

Useful iterations: 2 (634.0ms)

IterNodesCost
02545113
16604543
237204219
done50014219

prune475.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 4.0b

localize23.0ms

Local error

Found 4 expressions with local error:

12.0b
(cbrt (* c (* 4.0 a)))
12.0b
(cbrt (* c (* 4.0 a)))
12.0b
(cbrt (* c (* 4.0 a)))
22.8b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite52.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 add-cube-cbrt *-un-lft-identity
add-exp-log add-cbrt-cube add-log-exp
cbrt-prod pow1/3 sqrt-prod
sqrt-div
rem-sqrt-square flip3-- sqrt-pow1 pow1/2 flip--
Counts
4 → 42
Calls
4 calls:
12.0ms
(cbrt (* c (* 4.0 a)))
18.0ms
(cbrt (* c (* 4.0 a)))
11.0ms
(cbrt (* c (* 4.0 a)))
10.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series383.0ms

Counts
4 → 12
Calls
4 calls:
101.0ms
(cbrt (* c (* 4.0 a)))
100.0ms
(cbrt (* c (* 4.0 a)))
102.0ms
(cbrt (* c (* 4.0 a)))
78.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify2.2s

Counts
54 → 54
Iterations

Useful iterations: done (2.2s)

IterNodesCost
089636
1217597
2763538
34019517
done5000493

prune243.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 4.0b

localize16.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (/ 1 (* 2.0 a)))
0.6b
(- (* b b) (* (* 4.0 a) c))
1.4b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
22.8b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite162.0ms

Algorithm
rewrite-expression-head
Rules
23×add-exp-log
16×*-un-lft-identity
13×add-cbrt-cube
11×add-sqr-sqrt
10×prod-exp add-log-exp
add-cube-cbrt
pow1 associate-*r*
associate-*l*
div-exp cbrt-unprod distribute-lft-out
flip3-+ times-frac sqrt-prod flip-+
cbrt-undiv frac-times rec-exp flip3-- distribute-rgt-neg-in sqrt-div 1-exp associate-*l/ sum-log flip--
+-commutative neg-sub0 associate-+l- sub-neg rem-sqrt-square sqrt-pow1 pow1/2 diff-log associate-*r/ pow-prod-down neg-log un-div-inv *-commutative div-inv unswap-sqr
Counts
4 → 80
Calls
4 calls:
111.0ms
(* (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (/ 1 (* 2.0 a)))
9.0ms
(- (* b b) (* (* 4.0 a) c))
30.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
10.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series339.0ms

Counts
4 → 12
Calls
4 calls:
118.0ms
(* (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (/ 1 (* 2.0 a)))
55.0ms
(- (* b b) (* (* 4.0 a) c))
90.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
76.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify1.1s

Counts
92 → 92
Iterations

Useful iterations: done (1.1s)

IterNodesCost
01811881
15021715
227481410
done50001406

prune260.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 4.0b

regimes203.0ms

Accuracy

87.6% (3.5b remaining)

Error of 8.8b against oracle of 5.3b and baseline of 33.3b

bsearch229.0ms

Steps
ItersRangePoint
6
1.9101351599902807e+102
2.525038855038462e+103
1.9425375319337521e+102
9
5.099515951519033e-140
4.3257429736328996e-131
1.0349406332011121e-134
9
-9.502057580036763e+144
-6.537164733756459e+138
-4.7395197774900957e+139

simplify7.0ms

Iterations

Useful iterations: 1 (5.0ms)

IterNodesCost
04082
14780
done4780

end0.0ms

sample2.5s

Algorithm
intervals
Results
831.0ms5856×body80valid
445.0ms1074×body2560valid
291.0ms903×body1280valid
249.0ms2902×body80nan
90.0ms451×body640valid
44.0ms111×body160valid
42.0ms112×body5120valid
34.0ms223×body320valid