Details

Time bar (total: 37.1s)

sample95.0ms

Algorithm
intervals
Results
37.0ms86×body1280valid
11.0ms176×body80valid
10.0ms40×body640valid
8.0ms37×body320valid
1.0ms11×body160valid

simplify6.9s

Counts
1 → 1
Iterations
IterNodes
done5090
82971
7747
6218
594
445
324
216
111
06

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.6b

localize63.0ms

Local error

Found 2 expressions with local error:

0.1b
(exp (* a x))
4.6b
(- (exp (* a x)) 1.0)

rewrite68.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt *-un-lft-identity
prod-diff add-cube-cbrt
add-log-exp
fma-neg
expm1-log1p-u pow1 add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u
exp-prod sub-neg flip3-- exp-to-pow diff-log flip-- distribute-lft-out-- difference-of-squares rem-exp-log
Counts
2 → 42
Calls
2 calls:
21.0ms
(exp (* a x))
42.0ms
(- (exp (* a x)) 1.0)

series85.0ms

Counts
2 → 6
Calls
2 calls:
21.0ms
(exp (* a x))
65.0ms
(- (exp (* a x)) 1.0)

simplify3.6s

Counts
48 → 48
Iterations
IterNodes
done5000
31453
2414
1184
081

prune447.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize107.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* x a) (* (* x a) (* x a)))
0.2b
(* (* x a) (* x a))
0.2b
(* (* x a) (* x a))
9.0b
(fma (* (* x a) (* x a)) 1/2 (fma (* (* x a) (* (* x a) (* x a))) 1/6 (* a x)))

rewrite542.0ms

Algorithm
rewrite-expression-head
Rules
210×pow1
94×pow-prod-down
69×add-cbrt-cube add-exp-log
47×prod-exp cbrt-unprod
38×pow-prod-up
16×pow-sqr
pow-plus
pow2 add-sqr-sqrt expm1-log1p-u *-un-lft-identity add-cube-cbrt insert-posit16 log1p-expm1-u add-log-exp
associate-*r* associate-*l* *-commutative
swap-sqr
cube-unmult fma-udef
Counts
4 → 151
Calls
4 calls:
323.0ms
(* (* x a) (* (* x a) (* x a)))
112.0ms
(* (* x a) (* x a))
91.0ms
(* (* x a) (* x a))
1.0ms
(fma (* (* x a) (* x a)) 1/2 (fma (* (* x a) (* (* x a) (* x a))) 1/6 (* a x)))

series455.0ms

Counts
4 → 12
Calls
4 calls:
127.0ms
(* (* x a) (* (* x a) (* x a)))
68.0ms
(* (* x a) (* x a))
61.0ms
(* (* x a) (* x a))
198.0ms
(fma (* (* x a) (* x a)) 1/2 (fma (* (* x a) (* (* x a) (* x a))) 1/6 (* a x)))

simplify3.4s

Counts
163 → 163
Iterations
IterNodes
done5001
2853
1243
0101

prune854.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize75.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (- (exp (* a x)) 1.0))
0.1b
(exp (* a x))
4.5b
(log (exp (- (exp (* a x)) 1.0)))
4.6b
(- (exp (* a x)) 1.0)

rewrite248.0ms

Algorithm
rewrite-expression-head
Rules
32×add-sqr-sqrt *-un-lft-identity
27×prod-diff
26×add-cube-cbrt
22×exp-sum
14×log-prod
11×exp-prod add-log-exp
log-pow
pow1
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u
sub-neg fma-neg distribute-lft-out-- difference-of-squares rem-exp-log
exp-diff diff-log
log-div flip3-- exp-to-pow rem-log-exp flip--
Counts
4 → 103
Calls
4 calls:
84.0ms
(exp (- (exp (* a x)) 1.0))
10.0ms
(exp (* a x))
75.0ms
(log (exp (- (exp (* a x)) 1.0)))
64.0ms
(- (exp (* a x)) 1.0)

series215.0ms

Counts
4 → 12
Calls
4 calls:
74.0ms
(exp (- (exp (* a x)) 1.0))
20.0ms
(exp (* a x))
67.0ms
(log (exp (- (exp (* a x)) 1.0)))
54.0ms
(- (exp (* a x)) 1.0)

simplify4.1s

Counts
115 → 115
Iterations
IterNodes
done5001
31778
2582
1270
0143

prune1.0s

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize206.0ms

Local error

Found 4 expressions with local error:

4.5b
(log (exp (- (exp (* a x)) 1.0)))
4.6b
(- (exp (* a x)) 1.0)
4.6b
(- (exp (* a x)) 1.0)
4.6b
(- (exp (* a x)) 1.0)

rewrite282.0ms

Algorithm
rewrite-expression-head
Rules
41×add-sqr-sqrt *-un-lft-identity
36×prod-diff
33×add-cube-cbrt
14×log-prod
11×exp-sum
10×add-log-exp
fma-neg
log-pow
pow1 exp-prod
expm1-log1p-u sub-neg add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u distribute-lft-out-- difference-of-squares
flip3-- diff-log flip--
log-div exp-diff rem-log-exp
Counts
4 → 119
Calls
4 calls:
94.0ms
(log (exp (- (exp (* a x)) 1.0)))
67.0ms
(- (exp (* a x)) 1.0)
66.0ms
(- (exp (* a x)) 1.0)
39.0ms
(- (exp (* a x)) 1.0)

series292.0ms

Counts
4 → 12
Calls
4 calls:
73.0ms
(log (exp (- (exp (* a x)) 1.0)))
75.0ms
(- (exp (* a x)) 1.0)
70.0ms
(- (exp (* a x)) 1.0)
74.0ms
(- (exp (* a x)) 1.0)

simplify8.6s

Counts
131 → 131
Iterations
IterNodes
done5000
44768
31557
2520
1238
0127

prune1.3s

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

regimes1.2s

Accuracy

99.2% (0.2b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 21.7b

bsearch2.0ms

simplify21.0ms

Iterations
IterNodes
done28
128
025

end0.0ms

sample3.0s

Algorithm
intervals
Results
1.5s2560×body1280valid
470.0ms5475×body80valid
385.0ms1367×body640valid
153.0ms810×body320valid
52.0ms399×body160valid