Details

Time bar (total: 15.4s)

sample230.0ms

Algorithm
intervals
Results
67.0ms67×body2560valid
65.0ms73×body10240exit
54.0ms113×body1280valid
12.0ms44×body640valid
10.0ms329×pre80true
2.0ms13×body320valid
1.0ms18×body80valid
0.0msbody160valid

simplify1.4s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01724
14024
210124
323924
465324
5297124
done500024

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 59.7b

localize17.0ms

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)))
3.6b
(- (exp (* a eps)) 1.0)
3.9b
(- (exp (* b eps)) 1.0)
6.1b
(- (exp (* (+ a b) eps)) 1.0)

rewrite35.0ms

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

series329.0ms

Counts
4 → 12
Calls
4 calls:
209.0ms
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0)))
39.0ms
(- (exp (* a eps)) 1.0)
33.0ms
(- (exp (* b eps)) 1.0)
48.0ms
(- (exp (* (+ a b) eps)) 1.0)

simplify829.0ms

Counts
85 → 85
Iterations

Useful iterations: 2 (183.0ms)

IterNodesCost
01741783
14871741
220751427
done50001427

prune320.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.2b

localize5.0ms

Local error

Found 1 expressions with local error:

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

rewrite16.0ms

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:
15.0ms
(+ (/ 1 b) (/ 1 a))

series10.0ms

Counts
1 → 3
Calls
1 calls:
10.0ms
(+ (/ 1 b) (/ 1 a))

simplify2.4s

Counts
22 → 22
Iterations

Useful iterations: 3 (103.0ms)

IterNodesCost
040229
1102216
2222210
3498194
4951194
52256194
done5000194

prune44.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.2b

localize24.0ms

Local error

Found 4 expressions with local error:

3.6b
(- (exp (* a eps)) 1.0)
3.9b
(log (exp (- (exp (* b eps)) 1.0)))
3.9b
(- (exp (* b eps)) 1.0)
6.1b
(- (exp (* (+ a b) eps)) 1.0)

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt *-un-lft-identity
10×add-log-exp
add-cube-cbrt log-pow
pow1 log-prod exp-prod
add-exp-log sub-neg add-cbrt-cube distribute-lft-out-- difference-of-squares
flip3-- diff-log flip--
exp-sum
log-div exp-diff rem-log-exp
Counts
4 → 62
Calls
4 calls:
4.0ms
(- (exp (* a eps)) 1.0)
10.0ms
(log (exp (- (exp (* b eps)) 1.0)))
4.0ms
(- (exp (* b eps)) 1.0)
4.0ms
(- (exp (* (+ a b) eps)) 1.0)

series150.0ms

Counts
4 → 12
Calls
4 calls:
34.0ms
(- (exp (* a eps)) 1.0)
33.0ms
(log (exp (- (exp (* b eps)) 1.0)))
37.0ms
(- (exp (* b eps)) 1.0)
47.0ms
(- (exp (* (+ a b) eps)) 1.0)

simplify1.4s

Counts
74 → 74
Iterations

Useful iterations: 3 (478.0ms)

IterNodesCost
0134863
1275801
2688724
32167716
done5001716

prune273.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0.2b

localize24.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (exp (* a eps)) 1.0) (- (exp (* 2 (* b eps))) (* 1.0 1.0)))
3.6b
(- (exp (* a eps)) 1.0)
3.8b
(- (exp (* 2 (* b eps))) (* 1.0 1.0))
6.1b
(- (exp (* (+ a b) eps)) 1.0)

rewrite43.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
12×*-un-lft-identity
10×add-log-exp
flip3-- flip--
pow1 add-exp-log add-cube-cbrt add-cbrt-cube
sub-neg associate-*l* difference-of-squares
frac-times associate-*r*
diff-log distribute-lft-out--
distribute-rgt-in distribute-lft-in associate-*r/ associate-*l/
pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 74
Calls
4 calls:
27.0ms
(* (- (exp (* a eps)) 1.0) (- (exp (* 2 (* b eps))) (* 1.0 1.0)))
4.0ms
(- (exp (* a eps)) 1.0)
5.0ms
(- (exp (* 2 (* b eps))) (* 1.0 1.0))
4.0ms
(- (exp (* (+ a b) eps)) 1.0)

series187.0ms

Counts
4 → 12
Calls
4 calls:
57.0ms
(* (- (exp (* a eps)) 1.0) (- (exp (* 2 (* b eps))) (* 1.0 1.0)))
36.0ms
(- (exp (* a eps)) 1.0)
46.0ms
(- (exp (* 2 (* b eps))) (* 1.0 1.0))
48.0ms
(- (exp (* (+ a b) eps)) 1.0)

simplify587.0ms

Counts
86 → 86
Iterations

Useful iterations: done (585.0ms)

IterNodesCost
01501631
13721579
214061381
done50001375

prune336.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.1b

regimes98.0ms

Accuracy

93.3% (0.2b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 3.3b

bsearch2.0ms

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02792
13986
done3986

end0.0ms

sample6.8s

Algorithm
intervals
Results
2.5s2578×body2560valid
1.7s3399×body1280valid
1.7s1910×body10240exit
296.0ms1092×body640valid
169.0ms9910×pre80true
66.0ms361×body320valid
23.0ms442×body80valid
15.0ms128×body160valid