Details

Time bar (total: 23.6s)

sample108.0ms

Algorithm
intervals
Results
55.0ms63×body1280valid
23.0ms59×body640valid
5.0ms107×body80valid
3.0ms16×body320valid
3.0ms93×body80nan
1.0ms11×body160valid

simplify4.0ms

Counts
1 → 1
Iterations
IterNodes
done5
15
04

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 35.2b

localize13.0ms

Local error

Found 1 expressions with local error:

3.2b
(log (+ 1.0 x))

rewrite12.0ms

Algorithm
rewrite-expression-head
Rules
log-prod *-un-lft-identity
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt log-div
expm1-log1p-u flip3-+ rem-log-exp log-pow add-cbrt-cube flip-+ log1p-expm1-u distribute-lft-out add-log-exp
Counts
1 → 17
Calls
1 calls:
11.0ms
(log (+ 1.0 x))

series88.0ms

Counts
1 → 3
Calls
1 calls:
88.0ms
(log (+ 1.0 x))

simplify4.2s

Counts
20 → 20
Iterations
IterNodes
done5001
42696
3825
2322
1133
060

prune127.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.2b

localize27.0ms

Local error

Found 1 expressions with local error:

0.0b
(fma -1/2 (* (/ x 1.0) (/ x 1.0)) (fma 1.0 x (log 1.0)))

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:
1.0ms
(fma -1/2 (* (/ x 1.0) (/ x 1.0)) (fma 1.0 x (log 1.0)))

series103.0ms

Counts
1 → 3
Calls
1 calls:
103.0ms
(fma -1/2 (* (/ x 1.0) (/ x 1.0)) (fma 1.0 x (log 1.0)))

simplify3.2s

Counts
13 → 13
Iterations
IterNodes
done5008
41889
3372
2119
146
025

prune140.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.2b

localize62.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt (fma -1/2 (* (/ x 1.0) (/ x 1.0)) (fma 1.0 x (log 1.0)))) (cbrt (fma -1/2 (* (/ x 1.0) (/ x 1.0)) (fma 1.0 x (log 1.0)))))
9.8b
(cbrt (fma -1/2 (* (/ x 1.0) (/ x 1.0)) (fma 1.0 x (log 1.0))))
9.8b
(cbrt (fma -1/2 (* (/ x 1.0) (/ x 1.0)) (fma 1.0 x (log 1.0))))
9.8b
(cbrt (fma -1/2 (* (/ x 1.0) (/ x 1.0)) (fma 1.0 x (log 1.0))))

rewrite34.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
15×add-cube-cbrt *-un-lft-identity
11×pow1
pow1/3
add-exp-log swap-sqr associate-*r* associate-*l*
expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 81
Calls
4 calls:
24.0ms
(* (cbrt (fma -1/2 (* (/ x 1.0) (/ x 1.0)) (fma 1.0 x (log 1.0)))) (cbrt (fma -1/2 (* (/ x 1.0) (/ x 1.0)) (fma 1.0 x (log 1.0)))))
2.0ms
(cbrt (fma -1/2 (* (/ x 1.0) (/ x 1.0)) (fma 1.0 x (log 1.0))))
2.0ms
(cbrt (fma -1/2 (* (/ x 1.0) (/ x 1.0)) (fma 1.0 x (log 1.0))))
2.0ms
(cbrt (fma -1/2 (* (/ x 1.0) (/ x 1.0)) (fma 1.0 x (log 1.0))))

series1.8s

Counts
4 → 12
Calls
4 calls:
469.0ms
(* (cbrt (fma -1/2 (* (/ x 1.0) (/ x 1.0)) (fma 1.0 x (log 1.0)))) (cbrt (fma -1/2 (* (/ x 1.0) (/ x 1.0)) (fma 1.0 x (log 1.0)))))
487.0ms
(cbrt (fma -1/2 (* (/ x 1.0) (/ x 1.0)) (fma 1.0 x (log 1.0))))
450.0ms
(cbrt (fma -1/2 (* (/ x 1.0) (/ x 1.0)) (fma 1.0 x (log 1.0))))
375.0ms
(cbrt (fma -1/2 (* (/ x 1.0) (/ x 1.0)) (fma 1.0 x (log 1.0))))

simplify4.8s

Counts
93 → 93
Iterations
IterNodes
done5001
33971
21255
1475
0179

prune821.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.2b

localize32.0ms

Local error

Found 3 expressions with local error:

0.0b
(log (log (+ 1.0 x)))
0.6b
(exp (log (log (+ 1.0 x))))
3.2b
(log (+ 1.0 x))

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
12×log-prod
*-un-lft-identity
pow1
add-sqr-sqrt add-cube-cbrt
add-exp-log log-pow
exp-prod exp-sum
expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
log-div rem-log-exp
flip3-+ flip-+ rem-exp-log distribute-lft-out
Counts
3 → 50
Calls
3 calls:
10.0ms
(log (log (+ 1.0 x)))
6.0ms
(exp (log (log (+ 1.0 x))))
10.0ms
(log (+ 1.0 x))

series308.0ms

Counts
3 → 9
Calls
3 calls:
159.0ms
(log (log (+ 1.0 x)))
81.0ms
(exp (log (log (+ 1.0 x))))
67.0ms
(log (+ 1.0 x))

simplify3.6s

Counts
59 → 59
Iterations
IterNodes
done5000
32582
2805
1294
0130

prune384.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.2b

regimes369.0ms

Accuracy

99.2% (0.2b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 21.8b

bsearch3.0ms

simplify12.0ms

Iterations
IterNodes
done14
114
013

end0.0ms

sample3.3s

Algorithm
intervals
Results
1.8s2278×body1280valid
662.0ms1599×body640valid
277.0ms840×body320valid
119.0ms2661×body80nan
117.0ms2827×body80valid
54.0ms456×body160valid