Details

Time bar (total: 1.1m)

sample438.0ms

Algorithm
intervals
Results
183.0ms87×body2560valid
95.0ms60×body10240exit
86.0ms96×body1280valid
19.0ms37×body640valid
9.0ms317×pre80true
5.0ms12×body320valid
2.0ms21×body80valid
1.0msbody160valid

simplify3.4s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01724
17324
227624
3357524
done500024

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 58.7b

localize23.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0)))
3.3b
(- (exp (* a eps)) 1.0)
4.4b
(- (exp (* b eps)) 1.0)
6.5b
(- (exp (* (+ a b) eps)) 1.0)

rewrite132.0ms

Algorithm
rewrite-expression-head
Rules
16×add-exp-log add-cbrt-cube
10×add-sqr-sqrt flip3-- *-un-lft-identity flip-- add-log-exp
associate-/r/
pow1 cbrt-undiv frac-times add-cube-cbrt associate-*r/ div-exp prod-exp cbrt-unprod
sub-neg diff-log distribute-lft-out-- difference-of-squares
associate-*l/ associate-/l/
frac-2neg times-frac clear-num associate-/r* div-inv associate-/l*
Counts
4 → 73
Calls
4 calls:
76.0ms
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0)))
24.0ms
(- (exp (* a eps)) 1.0)
13.0ms
(- (exp (* b eps)) 1.0)
14.0ms
(- (exp (* (+ a b) eps)) 1.0)

series552.0ms

Counts
4 → 12
Calls
4 calls:
358.0ms
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0)))
59.0ms
(- (exp (* a eps)) 1.0)
60.0ms
(- (exp (* b eps)) 1.0)
75.0ms
(- (exp (* (+ a b) eps)) 1.0)

simplify14.4s

Counts
85 → 85
Iterations

Useful iterations: done (14.4s)

IterNodesCost
01741783
114501709
done50001433

prune583.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize6.0ms

Local error

Found 1 expressions with local error:

0.0b
(+ (/ 1 b) (/ 1 a))

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
13×*-un-lft-identity
distribute-lft-out
times-frac
div-inv
add-sqr-sqrt add-cube-cbrt add-log-exp
pow1 add-exp-log +-commutative flip3-+ frac-add sum-log add-cbrt-cube flip-+
Counts
1 → 19
Calls
1 calls:
36.0ms
(+ (/ 1 b) (/ 1 a))

series13.0ms

Counts
1 → 3
Calls
1 calls:
13.0ms
(+ (/ 1 b) (/ 1 a))

simplify3.4s

Counts
22 → 22
Iterations

Useful iterations: done (3.4s)

IterNodesCost
040229
1467216
done5000194

prune71.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize11.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt (+ (/ 1 b) (/ 1 a))) (cbrt (+ (/ 1 b) (/ 1 a))))
0.5b
(cbrt (+ (/ 1 b) (/ 1 a)))
0.5b
(cbrt (+ (/ 1 b) (/ 1 a)))
0.5b
(cbrt (+ (/ 1 b) (/ 1 a)))

rewrite385.0ms

Algorithm
rewrite-expression-head
Rules
139×*-un-lft-identity
114×cbrt-prod
81×distribute-lft-out
60×div-inv
42×times-frac
37×add-sqr-sqrt
33×cbrt-div swap-sqr
29×add-cube-cbrt
13×associate-*r* associate-*l*
11×pow1 flip3-+ frac-add flip-+
frac-times pow1/3
add-exp-log
add-cbrt-cube add-log-exp unswap-sqr
associate-*r/ associate-*l/
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 159
Calls
4 calls:
276.0ms
(* (cbrt (+ (/ 1 b) (/ 1 a))) (cbrt (+ (/ 1 b) (/ 1 a))))
36.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))
18.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))
36.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))

series631.0ms

Counts
4 → 12
Calls
4 calls:
204.0ms
(* (cbrt (+ (/ 1 b) (/ 1 a))) (cbrt (+ (/ 1 b) (/ 1 a))))
142.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))
142.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))
143.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))

simplify8.9s

Counts
171 → 171
Iterations

Useful iterations: done (8.9s)

IterNodesCost
01783472
131532946
done50002816

prune526.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

localize5.0ms

Local error

Found 1 expressions with local error:

11.8b
(/ (+ a b) (* a b))

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity
add-exp-log add-cbrt-cube
times-frac associate-/l*
add-sqr-sqrt add-cube-cbrt
cbrt-undiv div-exp associate-/l/ distribute-lft-out
pow1 frac-2neg flip3-+ prod-exp clear-num associate-/r* cbrt-unprod flip-+ div-inv add-log-exp
Counts
1 → 25
Calls
1 calls:
31.0ms
(/ (+ a b) (* a b))

series52.0ms

Counts
1 → 3
Calls
1 calls:
52.0ms
(/ (+ a b) (* a b))

simplify13.8s

Counts
28 → 28
Iterations

Useful iterations: done (13.8s)

IterNodesCost
055288
1339283
done5001241

prune70.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0b

regimes96.0ms

Accuracy

0% (3.3b remaining)

Error of 3.4b against oracle of 0.1b and baseline of 3.4b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
197
done97

end0.0ms

sample15.8s

Algorithm
intervals
Results
5.5s2577×body2560valid
4.1s1986×body10240exit
4.1s3446×body1280valid
577.0ms9989×pre80true
570.0ms1034×body640valid
222.0ms374×body320valid
46.0ms451×body80valid
26.0ms121×body160valid