Details

Time bar (total: 11.1s)

sample37.0ms

Algorithm
intervals
Results
13.0ms75×body1280valid
8.0ms75×body10240exit
6.0ms54×body640valid
2.0ms89×body80valid
1.0ms18×body320valid
1.0ms20×body160valid

simplify3.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
057
177
287
done87

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 41.7b

localize4.0ms

Local error

Found 2 expressions with local error:

0.7b
(/ (exp x) (- (exp x) 1.0))
4.9b
(- (exp x) 1.0)

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt *-un-lft-identity
19×add-cube-cbrt
15×times-frac
prod-diff
associate-/r* distribute-lft-out-- difference-of-squares
add-cbrt-cube add-log-exp
add-exp-log fma-neg associate-/l*
pow1 expm1-log1p-u flip3-- associate-/r/ flip-- log1p-expm1-u
cbrt-undiv sub-neg frac-2neg diff-log div-exp clear-num div-inv
Counts
2 → 67
Calls
2 calls:
8.0ms
(/ (exp x) (- (exp x) 1.0))
5.0ms
(- (exp x) 1.0)

series43.0ms

Counts
2 → 6
Calls
2 calls:
29.0ms
(/ (exp x) (- (exp x) 1.0))
14.0ms
(- (exp x) 1.0)

simplify3.6s

Counts
73 → 73
Iterations

Useful iterations: 3 (462.0ms)

IterNodesCost
0117900
1250790
2807697
34495679
done5000679

prune145.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize5.0ms

Local error

Found 1 expressions with local error:

0.1b
(fma 1/12 x (/ 1 x))

rewrite1.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt expm1-log1p-u add-cube-cbrt *-un-lft-identity add-cbrt-cube fma-udef log1p-expm1-u add-log-exp
Counts
1 → 10
Calls
1 calls:
0.0ms
(fma 1/12 x (/ 1 x))

series48.0ms

Counts
1 → 3
Calls
1 calls:
48.0ms
(fma 1/12 x (/ 1 x))

simplify1.4s

Counts
13 → 13
Iterations

Useful iterations: 2 (6.0ms)

IterNodesCost
016108
121105
24793
312393
438993
5152493
done500093

prune30.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize5.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1.0 (exp x))
0.0b
(/ 1 (- 1 (/ 1.0 (exp x))))
4.9b
(- 1 (/ 1.0 (exp x)))

rewrite35.0ms

Algorithm
rewrite-expression-head
Rules
99×add-sqr-sqrt
79×*-un-lft-identity
70×times-frac
59×add-cube-cbrt
39×prod-diff
20×difference-of-squares
11×associate-/r*
add-exp-log
add-cbrt-cube
associate-/l*
div-inv distribute-lft-out-- add-log-exp
pow1
expm1-log1p-u fma-neg div-exp log1p-expm1-u
cbrt-undiv flip3-- frac-2neg clear-num associate-/r/ flip--
sub-neg rec-exp pow-flip diff-log 1-exp inv-pow
Counts
3 → 145
Calls
3 calls:
3.0ms
(/ 1.0 (exp x))
16.0ms
(/ 1 (- 1 (/ 1.0 (exp x))))
10.0ms
(- 1 (/ 1.0 (exp x)))

series100.0ms

Counts
3 → 9
Calls
3 calls:
16.0ms
(/ 1.0 (exp x))
47.0ms
(/ 1 (- 1 (/ 1.0 (exp x))))
37.0ms
(- 1 (/ 1.0 (exp x)))

simplify1.1s

Counts
154 → 154
Iterations

Useful iterations: done (1.1s)

IterNodesCost
02573113
15712650
217762026
done50002020

prune185.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

localize7.0ms

Local error

Found 4 expressions with local error:

0.1b
(sqrt (fma 1/12 x (/ 1 x)))
0.1b
(fma 1/12 x (/ 1 x))
0.1b
(fma 1/12 x (/ 1 x))
0.2b
(* (sqrt (fma 1/12 x (/ 1 x))) (sqrt (fma 1/12 x (/ 1 x))))

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
26×add-sqr-sqrt
21×sqrt-prod
20×pow1
13×add-cube-cbrt *-un-lft-identity
sqrt-pow1 pow1/2
swap-sqr
add-exp-log associate-*r* associate-*l* add-cbrt-cube
pow-prod-up
expm1-log1p-u log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down pow-sqr
fma-udef
pow2 rem-sqrt-square pow-plus sqrt-unprod prod-exp rem-square-sqrt *-commutative cbrt-unprod
Counts
4 → 86
Calls
4 calls:
1.0ms
(sqrt (fma 1/12 x (/ 1 x)))
0.0ms
(fma 1/12 x (/ 1 x))
0.0ms
(fma 1/12 x (/ 1 x))
7.0ms
(* (sqrt (fma 1/12 x (/ 1 x))) (sqrt (fma 1/12 x (/ 1 x))))

series171.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(sqrt (fma 1/12 x (/ 1 x)))
48.0ms
(fma 1/12 x (/ 1 x))
43.0ms
(fma 1/12 x (/ 1 x))
48.0ms
(* (sqrt (fma 1/12 x (/ 1 x))) (sqrt (fma 1/12 x (/ 1 x))))

simplify2.8s

Counts
98 → 98
Iterations

Useful iterations: 3 (406.0ms)

IterNodesCost
0801388
1150930
2546827
33244790
done5000790

prune158.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0.0b

regimes40.0ms

Accuracy

96.2% (0.8b remaining)

Error of 0.8b against oracle of 0.0b and baseline of 21.7b

bsearch1.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01521
11821
done1821

end0.0ms

sample1.1s

Algorithm
intervals
Results
397.0ms2294×body1280valid
281.0ms2571×body10240exit
173.0ms1611×body640valid
58.0ms2923×body80valid
55.0ms789×body320valid
17.0ms383×body160valid