Details

Time bar (total: 23.9s)

sample232.0ms

Algorithm
intervals
Results
133.0ms102×body1280valid
58.0ms82×body640valid
15.0ms41×body320valid
5.0ms256×pre80true
4.0ms19×body160valid
1.0ms12×body80valid

simplify5.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
07262
110262
211262
done11262

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 59.4b

localize12.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
4.2b
(log (+ 1.0 x))
4.2b
(log (- 1.0 x))

rewrite33.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
17×add-sqr-sqrt
16×times-frac
15×pow1 add-cube-cbrt
12×log-pow
log-prod
add-exp-log
log-div
add-cbrt-cube
associate-/r* associate-/l*
add-log-exp
flip3-- div-sub rem-log-exp flip--
cbrt-undiv clear-num frac-2neg flip3-+ div-exp flip-+ div-inv distribute-lft-out distribute-lft-out-- difference-of-squares
Counts
3 → 69
Calls
3 calls:
22.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
4.0ms
(log (+ 1.0 x))
4.0ms
(log (- 1.0 x))

series297.0ms

Counts
3 → 9
Calls
3 calls:
166.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
54.0ms
(log (+ 1.0 x))
77.0ms
(log (- 1.0 x))

simplify4.0s

Counts
78 → 78
Iterations

Useful iterations: 3 (2.3s)

IterNodesCost
018532125
143227224
2132526299
3480626109
done500226109

prune476.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 56.9b

localize39.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (log (- (* 1.0 1.0) (* x x))) (log (- 1.0 x)))
3.9b
(log (- (* 1.0 1.0) (* x x)))
4.2b
(log (- 1.0 x))
4.2b
(log (- 1.0 x))

rewrite40.0ms

Algorithm
rewrite-expression-head
Rules
23×log-prod
19×*-un-lft-identity
17×add-sqr-sqrt
11×pow1
10×log-div
add-cube-cbrt
add-exp-log log-pow distribute-lft-out--
flip3-- flip-- difference-of-squares
associate--r+
add-cbrt-cube associate--l+ add-log-exp
rem-log-exp
associate--l- associate--r-
sub-neg diff-log
Counts
4 → 77
Calls
4 calls:
13.0ms
(- (log (- (* 1.0 1.0) (* x x))) (log (- 1.0 x)))
8.0ms
(log (- (* 1.0 1.0) (* x x)))
7.0ms
(log (- 1.0 x))
7.0ms
(log (- 1.0 x))

series459.0ms

Counts
4 → 12
Calls
4 calls:
155.0ms
(- (log (- (* 1.0 1.0) (* x x))) (log (- 1.0 x)))
181.0ms
(log (- (* 1.0 1.0) (* x x)))
69.0ms
(log (- 1.0 x))
54.0ms
(log (- 1.0 x))

simplify2.8s

Counts
89 → 89
Iterations

Useful iterations: 3 (1.5s)

IterNodesCost
015034654
134727983
295526373
3395624456
done501024456

prune418.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 56.4b

localize32.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (/ (* x x) 1.0) (/ (* x x) 1.0))
4.2b
(log (- 1.0 x))
4.2b
(log (- 1.0 x))
27.7b
(/ (log (- 1.0 x)) (- (- (log 1.0) (+ (* (* (/ (* x x) 1.0) (/ (* x x) 1.0)) 1/2) (* 1.0 (* x x)))) (log (- 1.0 x))))

rewrite2.4s

Algorithm
rewrite-expression-head
Rules
89×*-un-lft-identity
56×times-frac
52×add-sqr-sqrt distribute-lft-out--
49×pow1
44×add-exp-log
42×add-cbrt-cube
38×log-pow
30×add-cube-cbrt
15×prod-exp cbrt-unprod
13×cbrt-undiv div-exp
10×log-prod associate-/r*
swap-sqr associate-*r* associate-*l* difference-of-squares
log-div
div-inv
flip3-- flip-- associate-/l* add-log-exp unswap-sqr
div-sub rem-log-exp associate-/r/
pow2 frac-times clear-num frac-2neg pow-plus pow-prod-down associate-*l/ associate-*r/ pow-sqr *-commutative pow-prod-up
Counts
4 → 161
Calls
4 calls:
37.0ms
(* (/ (* x x) 1.0) (/ (* x x) 1.0))
4.0ms
(log (- 1.0 x))
4.0ms
(log (- 1.0 x))
2.3s
(/ (log (- 1.0 x)) (- (- (log 1.0) (+ (* (* (/ (* x x) 1.0) (/ (* x x) 1.0)) 1/2) (* 1.0 (* x x)))) (log (- 1.0 x))))

series436.0ms

Counts
4 → 12
Calls
4 calls:
51.0ms
(* (/ (* x x) 1.0) (/ (* x x) 1.0))
58.0ms
(log (- 1.0 x))
47.0ms
(log (- 1.0 x))
279.0ms
(/ (log (- 1.0 x)) (- (- (log 1.0) (+ (* (* (/ (* x x) 1.0) (/ (* x x) 1.0)) 1/2) (* 1.0 (* x x)))) (log (- 1.0 x))))

simplify3.8s

Counts
173 → 173
Iterations

Useful iterations: done (3.8s)

IterNodesCost
026683997
174476839
2281574715
done500273715

prune721.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0b

localize60.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify0.0ms

Counts
0 → 0
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
000
done00

prune1.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0b

regimes197.0ms

Accuracy

0% (0.7b remaining)

Error of 0.7b against oracle of 0.0b and baseline of 0.7b

bsearch0.0ms

simplify9.0ms

Iterations

Useful iterations: 0 (3.0ms)

IterNodesCost
029995
144995
done44995

end0.0ms

sample7.4s

Algorithm
intervals
Results
4.4s3349×body1280valid
1.9s2495×body640valid
476.0ms1284×body320valid
222.0ms8000×pre80true
116.0ms639×body160valid
56.0ms233×body80valid