Details

Time bar (total: 13.0s)

sample56.0ms

Algorithm
intervals
Results
29.0ms65×body1280valid
12.0ms58×body640valid
3.0ms28×body320valid
2.0ms89×body80valid
1.0ms82×body80nan
1.0ms16×body160valid

simplify2.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
044
154
done54

prune1.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 39.4b

localize4.0ms

Local error

Found 1 expressions with local error:

5.2b
(log (+ 1.0 x))

rewrite5.0ms

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:
5.0ms
(log (+ 1.0 x))

series45.0ms

Counts
1 → 3
Calls
1 calls:
45.0ms
(log (+ 1.0 x))

simplify2.7s

Counts
18 → 18
Iterations

Useful iterations: 5 (1.5s)

IterNodesCost
058178
1123171
2260151
3528151
41197146
53028140
done5000140

prune36.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(* x (+ 1.0 (/ -1/2 (/ (* 1.0 1.0) x))))
0.2b
(/ -1/2 (/ (* 1.0 1.0) x))

rewrite70.0ms

Algorithm
rewrite-expression-head
Rules
33×times-frac
22×add-sqr-sqrt *-un-lft-identity
20×add-cube-cbrt
13×add-exp-log add-cbrt-cube
associate-/r*
cbrt-undiv div-exp div-inv
pow1 associate-*r*
associate-*l* associate-/l*
associate-*r/ prod-exp cbrt-unprod add-log-exp
distribute-rgt-in frac-2neg distribute-lft-in flip3-+ pow-prod-down clear-num associate-/r/ *-commutative flip-+ distribute-lft-out unswap-sqr
Counts
2 → 71
Calls
2 calls:
57.0ms
(* x (+ 1.0 (/ -1/2 (/ (* 1.0 1.0) x))))
10.0ms
(/ -1/2 (/ (* 1.0 1.0) x))

series86.0ms

Counts
2 → 6
Calls
2 calls:
70.0ms
(* x (+ 1.0 (/ -1/2 (/ (* 1.0 1.0) x))))
16.0ms
(/ -1/2 (/ (* 1.0 1.0) x))

simplify2.4s

Counts
77 → 77
Iterations

Useful iterations: 3 (1.3s)

IterNodesCost
0146994
1354928
21127852
34629842
done5001842

prune151.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ (* x 1.0) (* x (/ -1/2 (/ (* 1.0 1.0) x))))
0.2b
(/ -1/2 (/ (* 1.0 1.0) x))

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
33×times-frac
18×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
11×add-exp-log add-cbrt-cube
associate-/r*
cbrt-undiv div-exp div-inv
add-log-exp
associate-/l*
pow1
+-commutative frac-2neg flip3-+ prod-exp clear-num sum-log associate-/r/ cbrt-unprod flip-+ distribute-lft-out
Counts
2 → 60
Calls
2 calls:
8.0ms
(+ (* x 1.0) (* x (/ -1/2 (/ (* 1.0 1.0) x))))
10.0ms
(/ -1/2 (/ (* 1.0 1.0) x))

series89.0ms

Counts
2 → 6
Calls
2 calls:
73.0ms
(+ (* x 1.0) (* x (/ -1/2 (/ (* 1.0 1.0) x))))
16.0ms
(/ -1/2 (/ (* 1.0 1.0) x))

simplify2.7s

Counts
66 → 66
Iterations

Useful iterations: 3 (1.4s)

IterNodesCost
0138915
1335837
21098763
34518747
done5000747

prune143.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

localize15.0ms

Local error

Found 4 expressions with local error:

0.2b
(cbrt (+ 1.0 (/ -1/2 (/ (* 1.0 1.0) x))))
0.2b
(cbrt (+ 1.0 (/ -1/2 (/ (* 1.0 1.0) x))))
0.2b
(cbrt (+ 1.0 (/ -1/2 (/ (* 1.0 1.0) x))))
0.2b
(* (cbrt (+ 1.0 (/ -1/2 (/ (* 1.0 1.0) x)))) (cbrt (+ 1.0 (/ -1/2 (/ (* 1.0 1.0) x)))))

rewrite153.0ms

Algorithm
rewrite-expression-head
Rules
36×cbrt-prod
35×*-un-lft-identity
23×add-sqr-sqrt
18×cbrt-div
15×add-cube-cbrt
11×pow1
flip3-+ pow1/3 swap-sqr flip-+ distribute-lft-out
associate-*r* associate-*l*
add-exp-log
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 → 95
Calls
4 calls:
13.0ms
(cbrt (+ 1.0 (/ -1/2 (/ (* 1.0 1.0) x))))
13.0ms
(cbrt (+ 1.0 (/ -1/2 (/ (* 1.0 1.0) x))))
13.0ms
(cbrt (+ 1.0 (/ -1/2 (/ (* 1.0 1.0) x))))
111.0ms
(* (cbrt (+ 1.0 (/ -1/2 (/ (* 1.0 1.0) x)))) (cbrt (+ 1.0 (/ -1/2 (/ (* 1.0 1.0) x)))))

series527.0ms

Counts
4 → 12
Calls
4 calls:
123.0ms
(cbrt (+ 1.0 (/ -1/2 (/ (* 1.0 1.0) x))))
130.0ms
(cbrt (+ 1.0 (/ -1/2 (/ (* 1.0 1.0) x))))
131.0ms
(cbrt (+ 1.0 (/ -1/2 (/ (* 1.0 1.0) x))))
143.0ms
(* (cbrt (+ 1.0 (/ -1/2 (/ (* 1.0 1.0) x)))) (cbrt (+ 1.0 (/ -1/2 (/ (* 1.0 1.0) x)))))

simplify1.7s

Counts
107 → 107
Iterations

Useful iterations: done (1.7s)

IterNodesCost
01743036
14092813
211332633
337552261
done50002179

prune303.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

regimes89.0ms

Accuracy

99.3% (0.2b remaining)

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

bsearch1.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01626
12126
done2126

end0.0ms

sample1.7s

Algorithm
intervals
Results
962.0ms2243×body1280valid
335.0ms1670×body640valid
87.0ms848×body320valid
59.0ms2832×body80valid
35.0ms2686×body80nan
24.0ms407×body160valid