Details

Time bar (total: 18.1s)

sample209.0ms

Algorithm
intervals
Results
13.0ms190×body80valid
11.0ms38×body2560valid
9.0ms36×body1280valid
4.0ms79×body80nan
2.0ms11×body640valid
1.0msbody5120valid
1.0msbody320valid
0.0msbody160valid

simplify33.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (11.0ms)

IterNodesCost
01013
11413
22212
32512
42712
52912
done2912

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.2b

localize28.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
0.2b
(- (* b_2 b_2) (* a c))
0.8b
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
21.3b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite177.0ms

Algorithm
rewrite-expression-head
Rules
35×*-un-lft-identity
16×add-sqr-sqrt
15×add-cube-cbrt times-frac
10×distribute-lft-out add-log-exp
add-exp-log add-cbrt-cube
pow1 distribute-rgt-neg-in associate-/l*
associate-/r* sqrt-prod
neg-sub0 associate-+l- flip3-- flip3-+ sqrt-div sum-log flip-- flip-+ associate-/l/
cbrt-undiv +-commutative sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 diff-log div-sub div-exp neg-log clear-num div-inv
Counts
4 → 80
Calls
4 calls:
104.0ms
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
9.0ms
(- (* b_2 b_2) (* a c))
39.0ms
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
19.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series475.0ms

Counts
4 → 12
Calls
4 calls:
157.0ms
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
66.0ms
(- (* b_2 b_2) (* a c))
117.0ms
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
135.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.1s

Counts
92 → 92
Iterations

Useful iterations: done (1.1s)

IterNodesCost
01511534
13781440
215571268
done50011260

prune343.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 5.6b

localize30.0ms

Local error

Found 4 expressions with local error:

0.4b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
4.9b
(/ (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) a)
7.7b
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
21.3b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite306.0ms

Algorithm
rewrite-expression-head
Rules
186×times-frac
158×add-sqr-sqrt
157×*-un-lft-identity
89×add-cube-cbrt
34×distribute-lft-out-- difference-of-squares
30×associate-/l*
20×sqrt-prod
17×distribute-rgt-neg-in
11×add-exp-log add-cbrt-cube
10×associate-/r* associate-/r/
add-log-exp
flip3-- flip--
div-inv
pow1
cbrt-undiv div-exp
associate-/l/
frac-2neg sqrt-div diff-log clear-num
associate--l- neg-sub0 sub-neg rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 neg-log flip-+
Counts
4 → 206
Calls
4 calls:
32.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
129.0ms
(/ (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) a)
108.0ms
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
25.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series653.0ms

Counts
4 → 12
Calls
4 calls:
91.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
240.0ms
(/ (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) a)
233.0ms
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
89.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.5s

Counts
218 → 218
Iterations

Useful iterations: 2 (759.0ms)

IterNodesCost
03076418
17775561
242375359
done50005359

prune881.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 5.5b

localize35.0ms

Local error

Found 4 expressions with local error:

0.4b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
4.9b
(/ (* (+ 0 (* a c)) (/ 1 (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))) a)
7.7b
(* (+ 0 (* a c)) (/ 1 (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
21.3b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite273.0ms

Algorithm
rewrite-expression-head
Rules
43×add-sqr-sqrt
36×*-un-lft-identity
28×add-exp-log
27×associate-*r*
26×times-frac
19×add-cube-cbrt
18×add-cbrt-cube
div-exp
prod-exp distribute-lft-out-- add-log-exp difference-of-squares
pow1 sqrt-prod
associate-/l/
cbrt-undiv
frac-times distribute-rgt-neg-in flip3-+ associate-*l/ cbrt-unprod flip-+
flip3-- associate-*l* associate-/r* flip-- unswap-sqr
rec-exp sqrt-div diff-log 1-exp associate-*r/ associate-/r/ un-div-inv div-inv
associate--l- neg-sub0 sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 pow-prod-down neg-log clear-num *-commutative associate-/l*
Counts
4 → 118
Calls
4 calls:
26.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
49.0ms
(/ (* (+ 0 (* a c)) (/ 1 (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))) a)
171.0ms
(* (+ 0 (* a c)) (/ 1 (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
19.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series622.0ms

Counts
4 → 12
Calls
4 calls:
103.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
201.0ms
(/ (* (+ 0 (* a c)) (/ 1 (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))) a)
231.0ms
(* (+ 0 (* a c)) (/ 1 (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
86.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify4.4s

Counts
130 → 130
Iterations

Useful iterations: 2 (969.0ms)

IterNodesCost
02362749
16522226
244431942
done50011942

prune437.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 5.5b

localize36.0ms

Local error

Found 4 expressions with local error:

8.8b
(sqrt (/ (* a c) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
8.8b
(sqrt (/ (* a c) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
21.3b
(sqrt (- (* b_2 b_2) (* a c)))
21.3b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite148.0ms

Algorithm
rewrite-expression-head
Rules
34×sqrt-prod
22×add-sqr-sqrt
18×*-un-lft-identity
14×times-frac
10×add-cube-cbrt
pow1
sqrt-div
add-exp-log rem-sqrt-square flip3-- sqrt-pow1 pow1/2 associate-/r/ add-cbrt-cube flip-- distribute-lft-out-- add-log-exp difference-of-squares
distribute-rgt-neg-in div-inv
Counts
4 → 78
Calls
4 calls:
51.0ms
(sqrt (/ (* a c) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
59.0ms
(sqrt (/ (* a c) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
16.0ms
(sqrt (- (* b_2 b_2) (* a c)))
16.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series763.0ms

Counts
4 → 12
Calls
4 calls:
282.0ms
(sqrt (/ (* a c) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
275.0ms
(sqrt (/ (* a c) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
95.0ms
(sqrt (- (* b_2 b_2) (* a c)))
111.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify827.0ms

Counts
90 → 90
Iterations

Useful iterations: done (822.0ms)

IterNodesCost
01271758
12861548
211621488
done50011464

prune520.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 5.5b

regimes210.0ms

Accuracy

83.3% (4.5b remaining)

Error of 10.4b against oracle of 5.9b and baseline of 33.0b

bsearch145.0ms

Steps
ItersRangePoint
9
3.58845601849977e-79
3.3299624871078663e-72
4.603517726908401e-74
9
-4.955433086253459e+131
-5.661938264600021e+124
-3.4127765686872833e+126

simplify8.0ms

Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
02638
13238
done3238

end0.0ms

sample3.0s

Algorithm
intervals
Results
665.0ms1056×body2560valid
451.0ms5921×body80valid
424.0ms85×body5120valid
402.0ms903×body1280valid
263.0ms2891×body80nan
108.0ms460×body640valid
39.0ms221×body320valid
16.0ms119×body160valid