Details

Time bar (total: 34.7s)

sample460.0ms

Algorithm
intervals
Results
162.0ms92×body2560valid
99.0ms108×body1280valid
80.0ms53×body10240exit
59.0ms309×pre80true
17.0ms30×body640valid
2.0msbody320valid
2.0ms17×body80valid
1.0msbody160valid

simplify2.3s

Counts
1 → 1
Iterations
IterNodes
done5000
52045
4572
3224
295
140
017

prune22.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 59.8b

localize43.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (* b eps))
2.7b
(- (exp (* a eps)) 1.0)
3.6b
(- (exp (* b eps)) 1.0)
5.6b
(- (exp (* (+ a b) eps)) 1.0)

rewrite38.0ms

Algorithm
rewrite-expression-head
Rules
12×add-log-exp
10×add-sqr-sqrt *-un-lft-identity
pow1 add-cbrt-cube add-exp-log add-cube-cbrt
sub-neg flip3-- diff-log flip-- distribute-lft-out-- difference-of-squares
exp-prod exp-to-pow rem-exp-log
Counts
4 → 52
Calls
4 calls:
3.0ms
(exp (* b eps))
9.0ms
(- (exp (* a eps)) 1.0)
14.0ms
(- (exp (* b eps)) 1.0)
10.0ms
(- (exp (* (+ a b) eps)) 1.0)

series173.0ms

Counts
4 → 12
Calls
4 calls:
22.0ms
(exp (* b eps))
45.0ms
(- (exp (* a eps)) 1.0)
47.0ms
(- (exp (* b eps)) 1.0)
59.0ms
(- (exp (* (+ a b) eps)) 1.0)

simplify1.8s

Counts
64 → 64
Iterations
IterNodes
done5000
32335
2657
1248
0114

prune441.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 49.8b

localize104.0ms

Local error

Found 4 expressions with local error:

2.7b
(- (exp (* a eps)) 1.0)
3.9b
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (+ (+ (* eps b) (/ (* (* eps b) (* eps b)) 2)) (* (* 1/6 b) (* eps (* (* eps b) (* eps b)))))))
4.4b
(* (* 1/6 b) (* eps (* (* eps b) (* eps b))))
5.6b
(- (exp (* (+ a b) eps)) 1.0)

rewrite430.0ms

Algorithm
rewrite-expression-head
Rules
72×add-cbrt-cube add-exp-log
60×pow1
48×prod-exp cbrt-unprod
44×pow-prod-down
add-sqr-sqrt *-un-lft-identity associate-/r/ add-log-exp
flip3-- flip--
frac-times cbrt-undiv div-exp associate-*r/ add-cube-cbrt
flip3-+ flip-+
sub-neg diff-log associate-*l/ distribute-lft-out-- difference-of-squares associate-/l/
clear-num associate-/r* frac-2neg times-frac associate-*r* associate-*l* *-commutative div-inv associate-/l*
Counts
4 → 105
Calls
4 calls:
9.0ms
(- (exp (* a eps)) 1.0)
161.0ms
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (+ (+ (* eps b) (/ (* (* eps b) (* eps b)) 2)) (* (* 1/6 b) (* eps (* (* eps b) (* eps b)))))))
242.0ms
(* (* 1/6 b) (* eps (* (* eps b) (* eps b))))
13.0ms
(- (exp (* (+ a b) eps)) 1.0)

series2.5s

Counts
4 → 12
Calls
4 calls:
62.0ms
(- (exp (* a eps)) 1.0)
2.3s
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (+ (+ (* eps b) (/ (* (* eps b) (* eps b)) 2)) (* (* 1/6 b) (* eps (* (* eps b) (* eps b)))))))
104.0ms
(* (* 1/6 b) (* eps (* (* eps b) (* eps b))))
84.0ms
(- (exp (* (+ a b) eps)) 1.0)

simplify3.7s

Counts
117 → 117
Iterations
IterNodes
done5002
24557
1886
0271

prune747.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

localize9.0ms

Local error

Found 1 expressions with local error:

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

rewrite39.0ms

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:
37.0ms
(+ (/ 1 a) (/ 1 b))

series28.0ms

Counts
1 → 3
Calls
1 calls:
27.0ms
(+ (/ 1 a) (/ 1 b))

simplify3.4s

Counts
22 → 22
Iterations
IterNodes
done5000
53767
41436
3568
2270
1102
040

prune143.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

localize14.0ms

Local error

Found 1 expressions with local error:

14.9b
(/ (+ a b) (* a b))

rewrite17.0ms

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:
16.0ms
(/ (+ a b) (* a b))

series46.0ms

Counts
1 → 3
Calls
1 calls:
46.0ms
(/ (+ a b) (* a b))

simplify2.9s

Counts
28 → 28
Iterations
IterNodes
done5000
31576
2465
1145
055

prune137.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0.0b

regimes302.0ms

Accuracy

90.5% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 3.3b

bsearch2.0ms

simplify6.0ms

Iterations
IterNodes
done39
139
027

end0.0ms

sample14.8s

Algorithm
intervals
Results
4.6s3434×body1280valid
4.5s2558×body2560valid
3.2s1964×body10240exit
924.0ms9968×pre80true
693.0ms1098×body640valid
194.0ms346×body320valid
43.0ms444×body80valid
27.0ms124×body160valid