Details

Time bar (total: 28.6s)

sample499.0ms

Algorithm
intervals
Results
165.0ms89×body2560valid
142.0ms112×body1280valid
128.0ms63×body10240exit
26.0ms37×body640valid
12.0ms319×pre80true
4.0msbody320valid
1.0msbody80valid
1.0msbody160valid

simplify871.0ms

Counts
1 → 1
Iterations
IterNodes
done2001
52001
4694
3215
298
143
017

prune19.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 60.2b

localize72.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (- (exp (* a eps)) 1) (- (exp (* b eps)) 1))
2.2b
(- (exp (* a eps)) 1)
2.8b
(- (exp (* b eps)) 1)
4.5b
(- (exp (* (+ a b) eps)) 1)

rewrite189.0ms

Algorithm
rewrite-expression-head
Rules
28×add-sqr-sqrt
21×*-un-lft-identity
10×add-log-exp difference-of-squares
flip3-- flip--
associate-*r* associate-*l*
pow1 add-cbrt-cube add-exp-log add-cube-cbrt
sub-neg difference-of-sqr-1 distribute-lft-out--
frac-times insert-posit16
diff-log
distribute-rgt-in distribute-lft-in associate-*l/ associate-*r/
pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 90
Calls
4 calls:
112.0ms
(* (- (exp (* a eps)) 1) (- (exp (* b eps)) 1))
22.0ms
(- (exp (* a eps)) 1)
29.0ms
(- (exp (* b eps)) 1)
24.0ms
(- (exp (* (+ a b) eps)) 1)

series230.0ms

Counts
4 → 12
Calls
4 calls:
66.0ms
(* (- (exp (* a eps)) 1) (- (exp (* b eps)) 1))
47.0ms
(- (exp (* a eps)) 1)
56.0ms
(- (exp (* b eps)) 1)
60.0ms
(- (exp (* (+ a b) eps)) 1)

simplify1.1s

Counts
102 → 102
Iterations
IterNodes
done2001
32001
21367
1395
0154

prune684.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 50.1b

localize95.0ms

Local error

Found 4 expressions with local error:

3.3b
(/ (* eps (- (exp (* (+ a b) eps)) 1)) (* (+ (* (* 1/6 (* eps (* eps eps))) (* (* a a) a)) (+ (* eps a) (* 1/2 (* (* eps eps) (* a a))))) (- (exp (* b eps)) 1)))
4.5b
(- (exp (* (+ a b) eps)) 1)
13.8b
(* (* eps eps) (* a a))
14.2b
(* (* 1/6 (* eps (* eps eps))) (* (* a a) a))

rewrite565.0ms

Algorithm
rewrite-expression-head
Rules
86×pow1
82×add-cbrt-cube add-exp-log
56×pow-prod-down
54×prod-exp cbrt-unprod
add-sqr-sqrt associate-/r/
*-un-lft-identity
add-log-exp
flip3-- flip--
frac-times cbrt-undiv pow-plus div-exp associate-*r/ pow-prod-up add-cube-cbrt insert-posit16
flip3-+ flip-+
pow2 associate-*r* associate-*l* associate-*l/ pow-sqr *-commutative difference-of-squares associate-/l/
clear-num associate-/r* sub-neg frac-2neg times-frac diff-log difference-of-sqr-1 div-inv associate-/l* distribute-lft-out-- unswap-sqr
Counts
4 → 126
Calls
4 calls:
306.0ms
(/ (* eps (- (exp (* (+ a b) eps)) 1)) (* (+ (* (* 1/6 (* eps (* eps eps))) (* (* a a) a)) (+ (* eps a) (* 1/2 (* (* eps eps) (* a a))))) (- (exp (* b eps)) 1)))
25.0ms
(- (exp (* (+ a b) eps)) 1)
38.0ms
(* (* eps eps) (* a a))
191.0ms
(* (* 1/6 (* eps (* eps eps))) (* (* a a) a))

series1.3s

Counts
4 → 12
Calls
4 calls:
1.1s
(/ (* eps (- (exp (* (+ a b) eps)) 1)) (* (+ (* (* 1/6 (* eps (* eps eps))) (* (* a a) a)) (+ (* eps a) (* 1/2 (* (* eps eps) (* a a))))) (- (exp (* b eps)) 1)))
76.0ms
(- (exp (* (+ a b) eps)) 1)
59.0ms
(* (* eps eps) (* a a))
113.0ms
(* (* 1/6 (* eps (* eps eps))) (* (* a a) a))

simplify1.5s

Counts
138 → 138
Iterations
IterNodes
done2003
22003
1795
0254

prune745.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

localize11.0ms

Local error

Found 1 expressions with local error:

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

rewrite10.0ms

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 +-commutative sum-log flip3-+ add-cbrt-cube frac-add add-exp-log flip-+ insert-posit16
Counts
1 → 20
Calls
1 calls:
10.0ms
(+ (/ 1 a) (/ 1 b))

series21.0ms

Counts
1 → 3
Calls
1 calls:
20.0ms
(+ (/ 1 a) (/ 1 b))

simplify1.2s

Counts
23 → 23
Iterations
IterNodes
done2012
52012
41333
3593
2278
1105
041

prune75.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0.0b

regimes176.0ms

Accuracy

85.4% (0.5b remaining)

Error of 0.6b against oracle of 0.1b and baseline of 3.2b

bsearch4.0ms

simplify12.0ms

Iterations
IterNodes
done38
138
026

end0.0ms

sample19.3s

Algorithm
intervals
Results
6.2s2652×body2560valid
5.7s3360×body1280valid
4.7s1886×body10240exit
1.0s1054×body640valid
866.0ms9889×pre80true
248.0ms368×body320valid
77.0ms427×body80valid
54.0ms142×body160valid