Details

Time bar (total: 8.4s)

sample97.0ms

Algorithm
intervals
Results
53.0ms114×body1280valid
18.0ms75×body640valid
7.0ms232×body80nan
4.0ms29×body320valid
3.0ms30×body160valid
0.0msbody80valid

simplify72.0ms

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: 57.6b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ 1.0 x) (- 1.0 x))
7.3b
(log (/ (+ 1.0 x) (- 1.0 x)))

rewrite20.0ms

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))
6.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

series156.0ms

Counts
2 → 6
Calls
2 calls:
37.0ms
(/ (+ 1.0 x) (- 1.0 x))
119.0ms
(log (/ (+ 1.0 x) (- 1.0 x)))

simplify1.0s

Counts
92 → 92
Iterations

Useful iterations: 3 (487.0ms)

IterNodesCost
01461310
13321243
28661182
325691136
done50011136

prune228.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.2b

localize15.0ms

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

prune17.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.2b

localize17.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (+ 1.0 x) (- (pow 1.0 3) (pow x 3)))
0.0b
(* x (+ 1.0 x))
7.3b
(log (/ (+ 1.0 x) (- (pow 1.0 3) (pow x 3))))
7.3b
(log (fma 1.0 1.0 (* x (+ 1.0 x))))

rewrite87.0ms

Algorithm
rewrite-expression-head
Rules
286×add-sqr-sqrt
262×*-un-lft-identity
200×times-frac
144×difference-of-squares
109×log-prod
108×unpow-prod-down cube-prod
72×sqr-pow
68×add-cube-cbrt
52×distribute-lft-out
45×distribute-lft-out--
25×associate-/r*
12×add-exp-log
difference-cubes
pow1 add-cbrt-cube
expm1-log1p-u associate-*r* associate-/r/ log1p-expm1-u associate-/l* add-log-exp
rem-log-exp associate-*l*
flip3-- flip3-+ associate-*r/ div-exp log-pow flip-- flip-+ div-inv associate-/l/
cbrt-undiv distribute-rgt-in log-div frac-2neg distribute-lft-in pow-prod-down prod-exp clear-num *-commutative cbrt-unprod unswap-sqr
Counts
4 → 305
Calls
4 calls:
36.0ms
(/ (+ 1.0 x) (- (pow 1.0 3) (pow x 3)))
9.0ms
(* x (+ 1.0 x))
20.0ms
(log (/ (+ 1.0 x) (- (pow 1.0 3) (pow x 3))))
1.0ms
(log (fma 1.0 1.0 (* x (+ 1.0 x))))

series225.0ms

Counts
4 → 12
Calls
4 calls:
50.0ms
(/ (+ 1.0 x) (- (pow 1.0 3) (pow x 3)))
41.0ms
(* x (+ 1.0 x))
68.0ms
(log (/ (+ 1.0 x) (- (pow 1.0 3) (pow x 3))))
66.0ms
(log (fma 1.0 1.0 (* x (+ 1.0 x))))

simplify758.0ms

Counts
317 → 317
Iterations

Useful iterations: 2 (347.0ms)

IterNodesCost
03626908
17886316
220486062
done50016062

prune701.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.2b

localize19.0ms

Local error

Found 4 expressions with local error:

0.1b
(pow (log (/ (+ 1.0 x) (- (pow 1.0 3) (pow x 3)))) 3)
0.1b
(cbrt (pow (log (/ (+ 1.0 x) (- (pow 1.0 3) (pow x 3)))) 3))
7.3b
(log (/ (+ 1.0 x) (- (pow 1.0 3) (pow x 3))))
7.3b
(log (fma 1.0 1.0 (* x (+ 1.0 x))))

rewrite41.0ms

Algorithm
rewrite-expression-head
Rules
137×add-sqr-sqrt
131×*-un-lft-identity
109×log-prod
100×times-frac
64×difference-of-squares
56×unpow-prod-down cube-prod
41×add-cube-cbrt
34×sqr-pow
25×distribute-lft-out
20×distribute-lft-out--
14×cbrt-prod
11×pow1
add-exp-log
log-pow
add-cbrt-cube
difference-cubes expm1-log1p-u log1p-expm1-u add-log-exp
pow-unpow rem-log-exp
cube-mult unpow3 associate-/r/
pow-to-exp log-div flip3-- pow-pow pow1/3 div-exp pow-exp flip-- rem-cbrt-cube div-inv rem-cube-cbrt
Counts
4 → 185
Calls
4 calls:
2.0ms
(pow (log (/ (+ 1.0 x) (- (pow 1.0 3) (pow x 3)))) 3)
2.0ms
(cbrt (pow (log (/ (+ 1.0 x) (- (pow 1.0 3) (pow x 3)))) 3))
20.0ms
(log (/ (+ 1.0 x) (- (pow 1.0 3) (pow x 3))))
1.0ms
(log (fma 1.0 1.0 (* x (+ 1.0 x))))

series328.0ms

Counts
4 → 12
Calls
4 calls:
127.0ms
(pow (log (/ (+ 1.0 x) (- (pow 1.0 3) (pow x 3)))) 3)
69.0ms
(cbrt (pow (log (/ (+ 1.0 x) (- (pow 1.0 3) (pow x 3)))) 3))
70.0ms
(log (/ (+ 1.0 x) (- (pow 1.0 3) (pow x 3))))
61.0ms
(log (fma 1.0 1.0 (* x (+ 1.0 x))))

simplify1.0s

Counts
197 → 197
Iterations

Useful iterations: 2 (370.0ms)

IterNodesCost
04164962
19434419
227354166
done50014166

prune500.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.2b

regimes43.0ms

Accuracy

0% (0.4b remaining)

Error of 0.6b against oracle of 0.2b and baseline of 0.6b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01422
11722
done1722

end0.0ms

sample2.9s

Algorithm
intervals
Results
1.6s3451×body1280valid
642.0ms2505×body640valid
240.0ms8120×body80nan
190.0ms1227×body320valid
57.0ms599×body160valid
10.0ms218×body80valid