Details

Time bar (total: 23.9s)

sample112.0ms

Algorithm
intervals
Results
56.0ms63×body1280valid
24.0ms59×body640valid
5.0ms107×body80valid
4.0ms16×body320valid
3.0ms93×body80nan
2.0ms11×body160valid

simplify4.0ms

Counts
1 → 1
Iterations
IterNodes
done5
15
04

prune18.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 35.2b

localize12.0ms

Local error

Found 1 expressions with local error:

3.2b
(log (+ 1.0 x))

rewrite11.0ms

Algorithm
rewrite-expression-head
Rules
log-prod *-un-lft-identity
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt log-div
flip3-+ rem-log-exp log-pow add-cbrt-cube flip-+ distribute-lft-out add-log-exp
Counts
1 → 15
Calls
1 calls:
10.0ms
(log (+ 1.0 x))

series93.0ms

Counts
1 → 3
Calls
1 calls:
93.0ms
(log (+ 1.0 x))

simplify3.0s

Counts
18 → 18
Iterations
IterNodes
done5001
42391
3725
2285
1123
058

prune135.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.2b

localize29.0ms

Local error

Found 2 expressions with local error:

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

rewrite465.0ms

Algorithm
rewrite-expression-head
Rules
20×add-exp-log add-cbrt-cube
prod-exp cbrt-unprod
pow1
add-log-exp
cbrt-undiv add-sqr-sqrt associate-*r/ div-exp
add-cube-cbrt *-un-lft-identity associate-*l* pow-prod-down sum-log
+-commutative frac-times associate-+l+ flip3-+ associate-*r* associate-*l/ *-commutative flip-+ unswap-sqr
Counts
2 → 41
Calls
2 calls:
68.0ms
(* -1/2 (* (/ x 1.0) (/ x 1.0)))
394.0ms
(+ (+ (* -1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)) (* x 1.0))

series121.0ms

Counts
2 → 6
Calls
2 calls:
56.0ms
(* -1/2 (* (/ x 1.0) (/ x 1.0)))
65.0ms
(+ (+ (* -1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)) (* x 1.0))

simplify2.3s

Counts
47 → 47
Iterations
IterNodes
done5000
21207
1275
094

prune290.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.2b

localize68.0ms

Local error

Found 4 expressions with local error:

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

rewrite2.5s

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
18×cbrt-div
15×add-cube-cbrt *-un-lft-identity
11×pow1
flip3-+ pow1/3 flip-+
add-exp-log swap-sqr associate-*r* associate-*l*
frac-times add-cbrt-cube add-log-exp unswap-sqr
associate-*r/ pow-prod-down associate-*l/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 87
Calls
4 calls:
1.8s
(* (cbrt (+ (+ (* -1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)) (* x 1.0))) (cbrt (+ (+ (* -1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)) (* x 1.0))))
223.0ms
(cbrt (+ (+ (* -1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)) (* x 1.0)))
221.0ms
(cbrt (+ (+ (* -1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)) (* x 1.0)))
249.0ms
(cbrt (+ (+ (* -1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)) (* x 1.0)))

series1.6s

Counts
4 → 12
Calls
4 calls:
385.0ms
(* (cbrt (+ (+ (* -1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)) (* x 1.0))) (cbrt (+ (+ (* -1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)) (* x 1.0))))
367.0ms
(cbrt (+ (+ (* -1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)) (* x 1.0)))
411.0ms
(cbrt (+ (+ (* -1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)) (* x 1.0)))
400.0ms
(cbrt (+ (+ (* -1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)) (* x 1.0)))

simplify4.6s

Counts
99 → 99
Iterations
IterNodes
done5000
21539
1544
0204

prune949.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.2b

localize13.0ms

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))

rewrite13.0ms

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
add-cbrt-cube add-log-exp
log-div rem-log-exp
flip3-+ flip-+ rem-exp-log distribute-lft-out
Counts
3 → 44
Calls
3 calls:
3.0ms
(log (log (+ 1.0 x)))
4.0ms
(exp (log (log (+ 1.0 x))))
5.0ms
(log (+ 1.0 x))

series335.0ms

Counts
3 → 9
Calls
3 calls:
166.0ms
(log (log (+ 1.0 x)))
75.0ms
(exp (log (log (+ 1.0 x))))
93.0ms
(log (+ 1.0 x))

simplify3.2s

Counts
53 → 53
Iterations
IterNodes
done5001
32476
2752
1274
0124

prune309.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.2b

regimes365.0ms

Accuracy

99.2% (0.2b remaining)

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

bsearch2.0ms

simplify6.0ms

Iterations
IterNodes
done20
120
015

end0.0ms

sample3.4s

Algorithm
intervals
Results
2.0s2278×body1280valid
664.0ms1599×body640valid
169.0ms840×body320valid
120.0ms2827×body80valid
84.0ms2661×body80nan
52.0ms456×body160valid