Details

Time bar (total: 16.8s)

sample223.0ms

Algorithm
intervals
Results
82.0ms87×body2560valid
57.0ms60×body10240exit
46.0ms90×body1280valid
11.0ms41×body640valid
6.0ms316×pre80true
3.0ms14×body320valid
1.0msbody160valid
1.0ms15×body80valid

simplify1.2s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01724
14024
210124
323924
465324
5284524
done500124

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 59.8b

localize16.0ms

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)))
3.2b
(- (exp (* b eps)) 1.0)
3.9b
(- (exp (* a eps)) 1.0)
5.1b
(- (exp (* (+ a b) eps)) 1.0)

rewrite34.0ms

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:
21.0ms
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0)))
4.0ms
(- (exp (* b eps)) 1.0)
4.0ms
(- (exp (* a eps)) 1.0)
4.0ms
(- (exp (* (+ a b) eps)) 1.0)

series450.0ms

Counts
4 → 12
Calls
4 calls:
334.0ms
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0)))
31.0ms
(- (exp (* b eps)) 1.0)
38.0ms
(- (exp (* a eps)) 1.0)
46.0ms
(- (exp (* (+ a b) eps)) 1.0)

simplify752.0ms

Counts
85 → 85
Iterations

Useful iterations: 2 (177.0ms)

IterNodesCost
01741783
14841741
220661427
done50001427

prune314.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.1b

localize5.0ms

Local error

Found 1 expressions with local error:

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

rewrite18.0ms

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:
18.0ms
(+ (/ 1 b) (/ 1 a))

series11.0ms

Counts
1 → 3
Calls
1 calls:
11.0ms
(+ (/ 1 b) (/ 1 a))

simplify2.0s

Counts
22 → 22
Iterations

Useful iterations: 3 (89.0ms)

IterNodesCost
040229
1102216
2222210
3491194
4942194
52258194
done5000194

prune49.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.1b

localize9.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt (+ (/ 1 b) (/ 1 a))) (cbrt (+ (/ 1 b) (/ 1 a))))
0.6b
(cbrt (+ (/ 1 b) (/ 1 a)))
0.6b
(cbrt (+ (/ 1 b) (/ 1 a)))
0.6b
(cbrt (+ (/ 1 b) (/ 1 a)))

rewrite169.0ms

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:
118.0ms
(* (cbrt (+ (/ 1 b) (/ 1 a))) (cbrt (+ (/ 1 b) (/ 1 a))))
16.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))
13.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))
14.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))

series349.0ms

Counts
4 → 12
Calls
4 calls:
101.0ms
(* (cbrt (+ (/ 1 b) (/ 1 a))) (cbrt (+ (/ 1 b) (/ 1 a))))
83.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))
79.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))
86.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))

simplify1.5s

Counts
171 → 171
Iterations

Useful iterations: 3 (812.0ms)

IterNodesCost
01783472
13913024
29942871
334582483
done50012483

prune339.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.1b

localize19.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (+ (/ 1 b) (/ 1 a)))
0.6b
(cbrt (+ (/ 1 b) (/ 1 a)))
0.6b
(cbrt (+ (/ 1 b) (/ 1 a)))
0.9b
(pow (cbrt (cbrt (+ (/ 1 b) (/ 1 a)))) 4)

rewrite75.0ms

Algorithm
rewrite-expression-head
Rules
59×*-un-lft-identity
53×cbrt-prod
28×distribute-lft-out
24×times-frac
19×add-sqr-sqrt add-cube-cbrt
16×unpow-prod-down div-inv
cbrt-div
pow1 add-exp-log
pow1/3 add-cbrt-cube add-log-exp
pow-unpow flip3-+ frac-add flip-+
pow-pow
pow-to-exp pow-exp sqr-pow
Counts
4 → 94
Calls
4 calls:
13.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))
15.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))
13.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))
29.0ms
(pow (cbrt (cbrt (+ (/ 1 b) (/ 1 a)))) 4)

series444.0ms

Counts
4 → 12
Calls
4 calls:
86.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))
84.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))
84.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))
191.0ms
(pow (cbrt (cbrt (+ (/ 1 b) (/ 1 a)))) 4)

simplify1.4s

Counts
106 → 106
Iterations

Useful iterations: 3 (669.0ms)

IterNodesCost
01681776
14071583
29731455
333571423
done50001423

prune313.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0.1b

regimes127.0ms

Accuracy

0% (3.1b remaining)

Error of 3.2b against oracle of 0.1b and baseline of 3.2b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
197
done97

end0.0ms

sample7.0s

Algorithm
intervals
Results
2.5s2541×body2560valid
1.8s2028×body10240exit
1.8s3485×body1280valid
301.0ms1043×body640valid
165.0ms10030×pre80true
74.0ms373×body320valid
27.0ms439×body80valid
15.0ms121×body160valid