Details

Time bar (total: 25.0s)

sample446.0ms

Algorithm
intervals
Results
140.0ms80×body2560valid
126.0ms60×body10240exit
111.0ms105×body1280valid
21.0ms38×body640valid
9.0ms316×pre80true
3.0ms11×body320valid
2.0ms19×body80valid
1.0msbody160valid

simplify1.7s

Counts
1 → 1
Iterations
IterNodes
done5001
53569
4699
3245
2101
140
017

prune24.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 59.3b

localize74.0ms

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)))
2.6b
(- (exp (* b eps)) 1.0)
3.1b
(- (exp (* a eps)) 1.0)
4.5b
(- (exp (* (+ a b) eps)) 1.0)

rewrite104.0ms

Algorithm
rewrite-expression-head
Rules
16×add-cbrt-cube add-exp-log
10×add-sqr-sqrt *-un-lft-identity flip3-- flip-- add-log-exp
associate-/r/
frac-times pow1 cbrt-undiv div-exp prod-exp associate-*r/ add-cube-cbrt cbrt-unprod
sub-neg diff-log distribute-lft-out-- difference-of-squares
associate-*l/ associate-/l/
clear-num associate-/r* frac-2neg times-frac div-inv associate-/l*
Counts
4 → 73
Calls
4 calls:
59.0ms
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0)))
19.0ms
(- (exp (* b eps)) 1.0)
14.0ms
(- (exp (* a eps)) 1.0)
10.0ms
(- (exp (* (+ a b) eps)) 1.0)

series450.0ms

Counts
4 → 12
Calls
4 calls:
296.0ms
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0)))
42.0ms
(- (exp (* b eps)) 1.0)
49.0ms
(- (exp (* a eps)) 1.0)
63.0ms
(- (exp (* (+ a b) eps)) 1.0)

simplify1.0s

Counts
85 → 85
Iterations
IterNodes
done5000
22538
1487
0174

prune679.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize13.0ms

Local error

Found 1 expressions with local error:

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

rewrite35.0ms

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-+
Counts
1 → 19
Calls
1 calls:
34.0ms
(+ (/ 1 b) (/ 1 a))

series16.0ms

Counts
1 → 3
Calls
1 calls:
16.0ms
(+ (/ 1 b) (/ 1 a))

simplify1.1s

Counts
22 → 22
Iterations
IterNodes
done5000
31500
2381
1102
040

prune120.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

localize14.0ms

Local error

Found 1 expressions with local error:

13.8b
(/ (+ b a) (* a b))

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity
add-cbrt-cube add-exp-log
times-frac associate-/l*
add-sqr-sqrt add-cube-cbrt
cbrt-undiv div-exp distribute-lft-out associate-/l/
pow1 clear-num associate-/r* frac-2neg flip3-+ prod-exp cbrt-unprod flip-+ div-inv add-log-exp
Counts
1 → 25
Calls
1 calls:
19.0ms
(/ (+ b a) (* a b))

series60.0ms

Counts
1 → 3
Calls
1 calls:
60.0ms
(/ (+ b a) (* a b))

simplify2.3s

Counts
28 → 28
Iterations
IterNodes
done5002
32899
2605
1148
056

prune137.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ a b) b)
6.0b
(* (/ 1 a) (/ (+ a b) b))

rewrite69.0ms

Algorithm
rewrite-expression-head
Rules
43×add-sqr-sqrt
42×*-un-lft-identity
40×times-frac
26×add-exp-log add-cube-cbrt
16×add-cbrt-cube associate-*r*
13×associate-*l*
div-exp
prod-exp
distribute-lft-out
unswap-sqr
cbrt-undiv
pow1 cbrt-unprod associate-/l*
associate-/r* div-inv
rec-exp 1-exp add-log-exp associate-/l/
frac-times clear-num frac-2neg flip3-+ pow-prod-down associate-*l/ associate-*r/ *-commutative flip-+
Counts
2 → 92
Calls
2 calls:
27.0ms
(/ (+ a b) b)
36.0ms
(* (/ 1 a) (/ (+ a b) b))

series93.0ms

Counts
2 → 6
Calls
2 calls:
20.0ms
(/ (+ a b) b)
73.0ms
(* (/ 1 a) (/ (+ a b) b))

simplify1.6s

Counts
98 → 98
Iterations
IterNodes
done5000
23029
1425
0140

prune442.0ms

Pruning

5 alts after pruning (1 fresh and 4 done)

Merged error: 0.0b

regimes364.0ms

Accuracy

92.5% (0.2b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 3.4b

bsearch2.0ms

simplify3.0ms

Iterations
IterNodes
done39
139
027

end0.0ms

sample14.0s

Algorithm
intervals
Results
4.5s2618×body2560valid
3.7s1936×body10240exit
3.3s3414×body1280valid
961.0ms1021×body640valid
761.0ms9941×pre80true
114.0ms353×body320valid
43.0ms455×body80valid
29.0ms144×body160valid