Details

Time bar (total: 13.5s)

sample149.0ms

Algorithm
intervals
Results
89.0ms103×body1280valid
37.0ms91×body640valid
6.0ms33×body320valid
3.0ms256×pre80true
3.0ms25×body160valid
0.0msbody80valid

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
079
1109
2119
done119

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 61.5b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
6.6b
(log (+ 1.0 x))
6.6b
(log (- 1.0 x))

rewrite27.0ms

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 frac-2neg flip3-+ div-exp clear-num flip-+ div-inv distribute-lft-out distribute-lft-out-- difference-of-squares
Counts
3 → 69
Calls
3 calls:
16.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
4.0ms
(log (+ 1.0 x))
5.0ms
(log (- 1.0 x))

series213.0ms

Counts
3 → 9
Calls
3 calls:
125.0ms
(/ (log (- 1.0 x)) (log (+ 1.0 x)))
41.0ms
(log (+ 1.0 x))
47.0ms
(log (- 1.0 x))

simplify1.9s

Counts
78 → 78
Iterations

Useful iterations: 3 (839.0ms)

IterNodesCost
01861203
14261150
212211064
342511008
done50001008

prune202.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 59.1b

localize14.0ms

Local error

Found 3 expressions with local error:

0.0b
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
0.0b
(/ (log (- 1.0 x)) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
6.6b
(log (- 1.0 x))

rewrite107.0ms

Algorithm
rewrite-expression-head
Rules
92×times-frac
83×add-sqr-sqrt
68×associate-*r*
56×unpow-prod-down
49×*-un-lft-identity
47×add-cube-cbrt
29×add-exp-log
24×unpow2 sqr-pow
17×unswap-sqr
10×pow1 div-exp prod-exp add-cbrt-cube
pow-to-exp pow-exp
log-prod log-pow
log-div associate-/r/ associate-/l*
flip3-- associate-*r/ associate-*l* associate-/r* flip-- add-log-exp
cbrt-undiv div-sub frac-sub cbrt-unprod div-inv
frac-2neg flip3-+ rem-log-exp pow-prod-down clear-num *-commutative flip-+ distribute-lft-out-- difference-of-squares
Counts
3 → 163
Calls
3 calls:
37.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
58.0ms
(/ (log (- 1.0 x)) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
5.0ms
(log (- 1.0 x))

series243.0ms

Counts
3 → 9
Calls
3 calls:
58.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
142.0ms
(/ (log (- 1.0 x)) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))
43.0ms
(log (- 1.0 x))

simplify1.1s

Counts
172 → 172
Iterations

Useful iterations: done (1.1s)

IterNodesCost
04093188
19532943
225672577
done50012564

prune479.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.1b

localize13.0ms

Local error

Found 3 expressions with local error:

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

rewrite175.0ms

Algorithm
rewrite-expression-head
Rules
178×times-frac
158×add-sqr-sqrt
136×associate-*r*
112×unpow-prod-down
94×*-un-lft-identity
82×add-cube-cbrt
51×add-exp-log
48×unpow2 sqr-pow
34×unswap-sqr
20×prod-exp
19×div-exp
15×add-cbrt-cube
12×pow-to-exp pow-exp
11×pow1
distribute-lft-out--
associate-*l* associate-/l*
associate-*r/ associate-/r/ log-pow cbrt-unprod difference-of-squares
cbrt-undiv associate-/r* div-inv add-log-exp
flip3-- pow-prod-down *-commutative frac-sub flip-- associate-/l/
frac-2neg flip3-+ div-sub clear-num flip-+
Counts
3 → 266
Calls
3 calls:
37.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
35.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
89.0ms
(/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))

series241.0ms

Counts
3 → 9
Calls
3 calls:
59.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
58.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
123.0ms
(/ (- (log 1.0) (+ (* 1.0 x) (* 1/2 (/ (pow x 2) (pow 1.0 2))))) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))

simplify1.2s

Counts
275 → 275
Iterations

Useful iterations: done (1.2s)

IterNodesCost
03345394
18134934
222014280
done50024254

prune750.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.1b

localize20.0ms

Local error

Found 2 expressions with local error:

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

rewrite137.0ms

Algorithm
rewrite-expression-head
Rules
98×times-frac
89×add-sqr-sqrt
68×associate-*r*
59×*-un-lft-identity
56×unpow-prod-down
47×add-cube-cbrt
27×add-exp-log
24×unpow2 sqr-pow
17×unswap-sqr
10×div-exp prod-exp
add-cbrt-cube
pow1 distribute-lft-out--
pow-to-exp pow-exp associate-/l*
associate-/r/ log-pow difference-of-squares
associate-*r/ associate-*l* associate-/r*
cbrt-undiv flip3-- frac-sub flip-- cbrt-unprod div-inv associate-/l/ add-log-exp
frac-2neg flip3-+ div-sub pow-prod-down clear-num *-commutative flip-+
Counts
2 → 156
Calls
2 calls:
37.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
91.0ms
(/ (- (log 1.0) (+ (* 1.0 x) (* (* 1/2 (/ x 1.0)) (/ x (pow (sqrt 1.0) 2))))) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))

series306.0ms

Counts
2 → 6
Calls
2 calls:
51.0ms
(* 1/2 (/ (pow x 2) (pow 1.0 2)))
255.0ms
(/ (- (log 1.0) (+ (* 1.0 x) (* (* 1/2 (/ x 1.0)) (/ x (pow (sqrt 1.0) 2))))) (- (+ (* 1.0 x) (log 1.0)) (* 1/2 (/ (pow x 2) (pow 1.0 2)))))

simplify1.1s

Counts
162 → 162
Iterations

Useful iterations: done (1.1s)

IterNodesCost
03564235
18843981
224513351
done50003334

prune497.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.1b

regimes29.0ms

Accuracy

0% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 0.4b

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02136
12736
done2736

end0.0ms

sample4.5s

Algorithm
intervals
Results
2.9s3441×body1280valid
992.0ms2504×body640valid
233.0ms1199×body320valid
95.0ms8000×pre80true
70.0ms636×body160valid
10.0ms220×body80valid