Details

Time bar (total: 9.1s)

sample96.0ms

Algorithm
intervals
Results
44.0ms99×body1280valid
23.0ms92×body640valid
10.0ms282×body80nan
5.0ms33×body320valid
2.0ms20×body160valid
1.0ms12×body80valid

simplify80.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0912
11812
22412
33912
46012
58612
610612
711712
811912
done11912

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 57.3b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ 1.0 x) (- 1.0 x))
6.5b
(log (/ (+ 1.0 x) (- 1.0 x)))

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
63×*-un-lft-identity
41×add-sqr-sqrt
40×times-frac
26×log-prod
23×add-cube-cbrt
11×distribute-lft-out
distribute-lft-out-- difference-of-squares
add-exp-log
associate-/r*
associate-/r/ add-cbrt-cube associate-/l*
pow1
expm1-log1p-u flip3-- div-exp rem-log-exp flip-- log1p-expm1-u div-inv associate-/l/ add-log-exp
cbrt-undiv log-div frac-2neg flip3-+ clear-num log-pow flip-+
Counts
2 → 86
Calls
2 calls:
11.0ms
(/ (+ 1.0 x) (- 1.0 x))
7.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

series160.0ms

Counts
2 → 6
Calls
2 calls:
36.0ms
(/ (+ 1.0 x) (- 1.0 x))
124.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

simplify1.4s

Counts
92 → 92
Iterations

Useful iterations: 3 (523.0ms)

IterNodesCost
01461310
13321243
28661182
325811136
done50001136

prune204.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.3b

localize13.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify1.0ms

Counts
0 → 0
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
000
done00

prune8.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.3b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (log (/ (+ 1.0 x) (- (pow 1.0 3) (pow x 3)))) (log (fma 1.0 1.0 (* x (+ 1.0 x)))))
0.0b
(* x (+ 1.0 x))
6.4b
(log (fma 1.0 1.0 (* x (+ 1.0 x))))
6.5b
(log (/ (+ 1.0 x) (- (pow 1.0 3) (pow x 3))))

rewrite85.0ms

Algorithm
rewrite-expression-head
Rules
263×add-sqr-sqrt
255×*-un-lft-identity
218×log-prod
200×times-frac
128×difference-of-squares
106×associate-+l+
96×unpow-prod-down cube-prod
69×add-cube-cbrt
64×sqr-pow
55×distribute-lft-out
40×distribute-lft-out--
13×pow1
10×add-exp-log
difference-cubes
log-pow
add-cbrt-cube
expm1-log1p-u fma-def associate-*r* associate-/r/ log1p-expm1-u add-log-exp
associate-+r+ rem-log-exp associate-*l*
log-div flip3-- flip3-+ associate-*r/ flip-- flip-+ div-inv
+-commutative distribute-rgt-in associate-+l- distribute-lft-in div-exp pow-prod-down prod-exp sum-log *-commutative cbrt-unprod unswap-sqr
Counts
4 → 289
Calls
4 calls:
33.0ms
(+ (log (/ (+ 1.0 x) (- (pow 1.0 3) (pow x 3)))) (log (fma 1.0 1.0 (* x (+ 1.0 x)))))
10.0ms
(* x (+ 1.0 x))
1.0ms
(log (fma 1.0 1.0 (* x (+ 1.0 x))))
20.0ms
(log (/ (+ 1.0 x) (- (pow 1.0 3) (pow x 3))))

series429.0ms

Counts
4 → 12
Calls
4 calls:
250.0ms
(+ (log (/ (+ 1.0 x) (- (pow 1.0 3) (pow x 3)))) (log (fma 1.0 1.0 (* x (+ 1.0 x)))))
41.0ms
(* x (+ 1.0 x))
67.0ms
(log (fma 1.0 1.0 (* x (+ 1.0 x))))
71.0ms
(log (/ (+ 1.0 x) (- (pow 1.0 3) (pow x 3))))

simplify844.0ms

Counts
301 → 301
Iterations

Useful iterations: 2 (376.0ms)

IterNodesCost
04026864
18756415
221556255
done50006255

prune650.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize14.0ms

Local error

Found 1 expressions with local error:

0.0b
(- (fma 1.6666666666666665 (pow x 3) (fma 2 (log 1.0) (* 2.0 x))) (* 1.0 (/ (pow x 3) (pow 1.0 2))))

rewrite3.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-cube-cbrt *-un-lft-identity fma-neg prod-diff add-log-exp
pow1 add-exp-log expm1-log1p-u sub-neg flip3-- diff-log associate--l+ add-cbrt-cube flip-- fma-udef log1p-expm1-u
Counts
1 → 21
Calls
1 calls:
3.0ms
(- (fma 1.6666666666666665 (pow x 3) (fma 2 (log 1.0) (* 2.0 x))) (* 1.0 (/ (pow x 3) (pow 1.0 2))))

series84.0ms

Counts
1 → 3
Calls
1 calls:
84.0ms
(- (fma 1.6666666666666665 (pow x 3) (fma 2 (log 1.0) (* 2.0 x))) (* 1.0 (/ (pow x 3) (pow 1.0 2))))

simplify2.1s

Counts
24 → 24
Iterations

Useful iterations: done (2.1s)

IterNodesCost
057739
1141721
2488636
33845551
done5001548

prune80.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

regimes24.0ms

Accuracy

0% (0.2b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 0.3b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01316
11516
done1516

end0.0ms

sample2.9s

Algorithm
intervals
Results
1.5s3418×body1280valid
623.0ms2533×body640valid
235.0ms8246×body80nan
183.0ms1243×body320valid
56.0ms617×body160valid
8.0ms189×body80valid