Details

Time bar (total: 30.8s)

sample325.0ms

Algorithm
intervals
Results
114.0ms92×body2560valid
106.0ms108×body1280valid
59.0ms53×body10240exit
12.0ms30×body640valid
7.0ms309×pre80true
2.0msbody320valid
1.0ms17×body80valid
0.0msbody160valid

simplify2.5s

Counts
1 → 1
Iterations
IterNodes
done5000
54020
4765
3258
2101
140
017

prune22.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 59.8b

localize45.0ms

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)

rewrite54.0ms

Algorithm
rewrite-expression-head
Rules
31×add-sqr-sqrt *-un-lft-identity
27×prod-diff
25×add-cube-cbrt
12×add-log-exp
fma-neg
expm1-log1p-u pow1 add-cbrt-cube add-exp-log log1p-expm1-u
sub-neg flip3-- diff-log flip-- distribute-lft-out-- difference-of-squares
exp-prod exp-to-pow rem-exp-log
Counts
4 → 96
Calls
4 calls:
6.0ms
(exp (* b eps))
14.0ms
(- (exp (* a eps)) 1.0)
12.0ms
(- (exp (* b eps)) 1.0)
19.0ms
(- (exp (* (+ a b) eps)) 1.0)

series166.0ms

Counts
4 → 12
Calls
4 calls:
23.0ms
(exp (* b eps))
38.0ms
(- (exp (* a eps)) 1.0)
49.0ms
(- (exp (* b eps)) 1.0)
56.0ms
(- (exp (* (+ a b) eps)) 1.0)

simplify999.0ms

Counts
108 → 108
Iterations
IterNodes
done5000
21256
1384
0166

prune650.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 49.8b

localize107.0ms

Local error

Found 4 expressions with local error:

2.7b
(- (exp (* a eps)) 1.0)
2.9b
(* eps (* (* (* eps b) (* eps b)) b))
3.9b
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (fma (* (* eps b) (* eps b)) 1/2 (fma 1/6 (* eps (* (* (* eps b) (* eps b)) b)) (* eps b)))))
5.6b
(- (exp (* (+ a b) eps)) 1.0)

rewrite426.0ms

Algorithm
rewrite-expression-head
Rules
41×add-cbrt-cube add-exp-log
29×pow1
23×add-sqr-sqrt *-un-lft-identity prod-exp cbrt-unprod
19×pow-prod-down add-cube-cbrt
18×prod-diff
add-log-exp
fma-neg
expm1-log1p-u cbrt-undiv flip3-- div-exp log1p-expm1-u flip--
associate-*l*
sub-neg diff-log associate-*l/ associate-*r/ associate-/r/ distribute-lft-out-- difference-of-squares associate-/l/
clear-num associate-/r* frac-2neg times-frac associate-*r* *-commutative div-inv associate-/l*
Counts
4 → 115
Calls
4 calls:
12.0ms
(- (exp (* a eps)) 1.0)
305.0ms
(* eps (* (* (* eps b) (* eps b)) b))
80.0ms
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (fma (* (* eps b) (* eps b)) 1/2 (fma 1/6 (* eps (* (* (* eps b) (* eps b)) b)) (* eps b)))))
25.0ms
(- (exp (* (+ a b) eps)) 1.0)

series2.5s

Counts
4 → 12
Calls
4 calls:
56.0ms
(- (exp (* a eps)) 1.0)
102.0ms
(* eps (* (* (* eps b) (* eps b)) b))
2.3s
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (fma (* (* eps b) (* eps b)) 1/2 (fma 1/6 (* eps (* (* (* eps b) (* eps b)) b)) (* eps b)))))
70.0ms
(- (exp (* (+ a b) eps)) 1.0)

simplify3.5s

Counts
127 → 127
Iterations
IterNodes
done5000
24865
1849
0277

prune1.0s

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

localize16.0ms

Local error

Found 1 expressions with local error:

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

rewrite39.0ms

Algorithm
rewrite-expression-head
Rules
20×*-un-lft-identity
15×times-frac
13×fma-def
10×add-sqr-sqrt add-cube-cbrt
distribute-lft-out
div-inv
add-log-exp
expm1-log1p-u pow1 +-commutative sum-log flip3-+ add-cbrt-cube frac-add add-exp-log flip-+ log1p-expm1-u
Counts
1 → 34
Calls
1 calls:
37.0ms
(+ (/ 1 a) (/ 1 b))

series19.0ms

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

simplify2.7s

Counts
37 → 37
Iterations
IterNodes
done5000
32236
2439
1110
042

prune204.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

localize7.0ms

Local error

Found 1 expressions with local error:

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

rewrite19.0ms

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/
expm1-log1p-u pow1 clear-num associate-/r* frac-2neg flip3-+ prod-exp cbrt-unprod flip-+ log1p-expm1-u div-inv add-log-exp
Counts
1 → 27
Calls
1 calls:
18.0ms
(/ (+ a b) (* a b))

series50.0ms

Counts
1 → 3
Calls
1 calls:
50.0ms
(/ (+ a b) (* a b))

simplify2.2s

Counts
30 → 30
Iterations
IterNodes
done5001
32232
2507
1147
057

prune120.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0.0b

regimes213.0ms

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

sample12.9s

Algorithm
intervals
Results
4.0s2558×body2560valid
3.5s3434×body1280valid
3.3s1964×body10240exit
797.0ms9968×pre80true
614.0ms1098×body640valid
110.0ms346×body320valid
58.0ms124×body160valid
41.0ms444×body80valid