Details

Time bar (total: 37.9s)

sample525.0ms

Algorithm
intervals
Results
166.0ms86×body2560valid
155.0ms119×body1280valid
126.0ms73×body10240exit
17.0ms28×body640valid
10.0ms329×pre80true
2.0msbody320valid
1.0ms12×body80valid
1.0msbody160valid

simplify3.3s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01724
14024
210124
324524
469924
5358324
done500224

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 60.7b

localize65.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
1.9b
(- (exp (* a eps)) 1.0)
3.5b
(- (exp (* b eps)) 1.0)
4.5b
(- (exp (* (+ a b) eps)) 1.0)

rewrite702.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt
16×*-un-lft-identity
10×add-log-exp
flip3-- flip--
pow1 add-exp-log add-cube-cbrt add-cbrt-cube
sub-neg associate-*r* associate-*l* distribute-lft-out-- difference-of-squares
frac-times
diff-log
distribute-rgt-in distribute-lft-in associate-*r/ associate-*l/
pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 76
Calls
4 calls:
158.0ms
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
25.0ms
(- (exp (* a eps)) 1.0)
486.0ms
(- (exp (* b eps)) 1.0)
29.0ms
(- (exp (* (+ a b) eps)) 1.0)

series325.0ms

Counts
4 → 12
Calls
4 calls:
99.0ms
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
66.0ms
(- (exp (* a eps)) 1.0)
61.0ms
(- (exp (* b eps)) 1.0)
100.0ms
(- (exp (* (+ a b) eps)) 1.0)

simplify1.4s

Counts
88 → 88
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01431364
13581326
217821198
done50011196

prune796.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 46.9b

localize95.0ms

Local error

Found 4 expressions with local error:

2.0b
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (+ (* 1/6 (* (pow eps 3) (pow b 3))) (+ (* 1/2 (* (pow eps 2) (pow b 2))) (* eps b)))))
4.5b
(- (exp (* (+ a b) eps)) 1.0)
13.0b
(* (pow eps 2) (pow b 2))
15.9b
(* (pow eps 3) (pow b 3))

rewrite303.0ms

Algorithm
rewrite-expression-head
Rules
56×add-sqr-sqrt
40×add-exp-log
32×unswap-sqr
28×unpow-prod-down
22×prod-exp
20×associate-*r* associate-*l* add-cbrt-cube sqr-pow
16×*-un-lft-identity
14×add-cube-cbrt cube-prod
12×pow-to-exp pow-exp
10×unpow2
associate-/r/
cbrt-unprod add-log-exp
flip3-- flip--
pow1 cbrt-undiv frac-times associate-*r/ div-exp
flip3-+ flip-+
cube-mult unpow3 pow-prod-down associate-*l/ *-commutative associate-/l/
sub-neg frac-2neg times-frac diff-log clear-num associate-/r* div-inv associate-/l* distribute-lft-out-- difference-of-squares
Counts
4 → 155
Calls
4 calls:
197.0ms
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (+ (* 1/6 (* (pow eps 3) (pow b 3))) (+ (* 1/2 (* (pow eps 2) (pow b 2))) (* eps b)))))
19.0ms
(- (exp (* (+ a b) eps)) 1.0)
29.0ms
(* (pow eps 2) (pow b 2))
47.0ms
(* (pow eps 3) (pow b 3))

series3.2s

Counts
4 → 12
Calls
4 calls:
2.9s
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (+ (* 1/6 (* (pow eps 3) (pow b 3))) (+ (* 1/2 (* (pow eps 2) (pow b 2))) (* eps b)))))
99.0ms
(- (exp (* (+ a b) eps)) 1.0)
60.0ms
(* (pow eps 2) (pow b 2))
120.0ms
(* (pow eps 3) (pow b 3))

simplify739.0ms

Counts
167 → 167
Iterations

Useful iterations: done (723.0ms)

IterNodesCost
02903682
18883474
done50012858

prune1.6s

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize14.0ms

Local error

Found 1 expressions with local error:

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

rewrite45.0ms

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:
44.0ms
(+ (/ 1 b) (/ 1 a))

series19.0ms

Counts
1 → 3
Calls
1 calls:
19.0ms
(+ (/ 1 b) (/ 1 a))

simplify1.5s

Counts
22 → 22
Iterations

Useful iterations: 3 (368.0ms)

IterNodesCost
040229
1102216
2360196
31364194
done5001194

prune124.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize13.0ms

Local error

Found 1 expressions with local error:

12.2b
(/ (+ a b) (* a b))

rewrite44.0ms

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:
42.0ms
(/ (+ a b) (* a b))

series68.0ms

Counts
1 → 3
Calls
1 calls:
68.0ms
(/ (+ a b) (* a b))

simplify2.8s

Counts
28 → 28
Iterations

Useful iterations: 2 (97.0ms)

IterNodesCost
055288
1145283
2514241
32276241
done5000241

prune119.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

regimes240.0ms

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

sample19.9s

Algorithm
intervals
Results
6.5s2601×body2560valid
5.3s2051×body10240exit
4.7s3448×body1280valid
1.3s10052×pre80true
850.0ms1053×body640valid
195.0ms313×body320valid
61.0ms458×body80valid
36.0ms128×body160valid