Details

Time bar (total: 7.9s)

sample31.0ms

Algorithm
intervals
Results
13.0ms125×pre10240exit
7.0ms256×body80valid
2.0ms131×pre80true

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
067
1107
2127
done127

prune1.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 8.1b

localize4.0ms

Local error

Found 2 expressions with local error:

0.8b
(/ x0 (- 1.0 x1))
7.6b
(- (/ x0 (- 1.0 x1)) x0)

rewrite51.0ms

Algorithm
rewrite-expression-head
Rules
106×add-sqr-sqrt
103×*-un-lft-identity
76×times-frac
69×add-cube-cbrt
63×prod-diff
21×fma-neg
18×difference-of-squares
17×distribute-lft-out--
10×associate-/r/
flip3-- flip--
associate-/r* div-inv
add-exp-log add-cbrt-cube add-log-exp
associate-/l*
pow1 expm1-log1p-u log1p-expm1-u
cbrt-undiv sub-neg frac-2neg diff-log div-exp clear-num
Counts
2 → 140
Calls
2 calls:
5.0ms
(/ x0 (- 1.0 x1))
36.0ms
(- (/ x0 (- 1.0 x1)) x0)

series74.0ms

Counts
2 → 6
Calls
2 calls:
32.0ms
(/ x0 (- 1.0 x1))
41.0ms
(- (/ x0 (- 1.0 x1)) x0)

simplify1.7s

Counts
146 → 146
Iterations

Useful iterations: done (1.7s)

IterNodesCost
01902805
13992150
210051818
332971524
done50011523

prune150.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 5.1b

localize10.0ms

Local error

Found 2 expressions with local error:

0.2b
(/ (cbrt x0) (- 1.0 x1))
6.4b
(fma (/ (* (cbrt x0) (cbrt x0)) 1) (/ (cbrt x0) (- 1.0 x1)) (- x0))

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
35×add-sqr-sqrt *-un-lft-identity
30×times-frac
21×add-cube-cbrt
18×cbrt-prod
distribute-lft-out-- difference-of-squares
associate-/l*
associate-/r*
add-exp-log
add-cbrt-cube
pow1 expm1-log1p-u associate-/r/ log1p-expm1-u add-log-exp
cbrt-undiv flip3-- frac-2neg div-exp clear-num flip-- fma-udef div-inv
Counts
2 → 67
Calls
2 calls:
6.0ms
(/ (cbrt x0) (- 1.0 x1))
0.0ms
(fma (/ (* (cbrt x0) (cbrt x0)) 1) (/ (cbrt x0) (- 1.0 x1)) (- x0))

series173.0ms

Counts
2 → 6
Calls
2 calls:
84.0ms
(/ (cbrt x0) (- 1.0 x1))
88.0ms
(fma (/ (* (cbrt x0) (cbrt x0)) 1) (/ (cbrt x0) (- 1.0 x1)) (- x0))

simplify1.7s

Counts
73 → 73
Iterations

Useful iterations: done (1.7s)

IterNodesCost
01511049
1309968
2900878
33875847
done5000846

prune165.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 5.1b

localize11.0ms

Local error

Found 2 expressions with local error:

0.2b
(/ (sqrt x0) (- (sqrt 1.0) (sqrt x1)))
6.8b
(fma (/ (sqrt x0) (+ (sqrt 1.0) (sqrt x1))) (/ (sqrt x0) (- (sqrt 1.0) (sqrt x1))) (- x0))

rewrite17.0ms

Algorithm
rewrite-expression-head
Rules
85×add-sqr-sqrt
72×sqrt-prod
57×*-un-lft-identity
54×times-frac
29×add-cube-cbrt
28×difference-of-squares
14×distribute-lft-out--
associate-/r*
associate-/l*
add-exp-log add-cbrt-cube
pow1 expm1-log1p-u associate-/r/ log1p-expm1-u add-log-exp
cbrt-undiv flip3-- frac-2neg div-exp clear-num flip-- fma-udef div-inv
Counts
2 → 95
Calls
2 calls:
12.0ms
(/ (sqrt x0) (- (sqrt 1.0) (sqrt x1)))
0.0ms
(fma (/ (sqrt x0) (+ (sqrt 1.0) (sqrt x1))) (/ (sqrt x0) (- (sqrt 1.0) (sqrt x1))) (- x0))

series485.0ms

Counts
2 → 6
Calls
2 calls:
161.0ms
(/ (sqrt x0) (- (sqrt 1.0) (sqrt x1)))
324.0ms
(fma (/ (sqrt x0) (+ (sqrt 1.0) (sqrt x1))) (/ (sqrt x0) (- (sqrt 1.0) (sqrt x1))) (- x0))

simplify1.2s

Counts
101 → 101
Iterations

Useful iterations: done (1.2s)

IterNodesCost
01691872
13641737
28841603
324241491
done50001490

prune151.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 5.1b

localize12.0ms

Local error

Found 2 expressions with local error:

0.5b
(/ (cbrt x0) (- (sqrt 1.0) (sqrt x1)))
7.1b
(fma (/ (* (cbrt x0) (cbrt x0)) (+ (sqrt 1.0) (sqrt x1))) (/ (cbrt x0) (- (sqrt 1.0) (sqrt x1))) (- x0))

rewrite16.0ms

Algorithm
rewrite-expression-head
Rules
85×add-sqr-sqrt
57×*-un-lft-identity
54×times-frac
42×sqrt-prod
30×cbrt-prod
29×add-cube-cbrt
28×difference-of-squares
14×distribute-lft-out--
associate-/r*
associate-/l*
add-exp-log
add-cbrt-cube
pow1 expm1-log1p-u associate-/r/ log1p-expm1-u add-log-exp
cbrt-undiv flip3-- frac-2neg div-exp clear-num flip-- fma-udef div-inv
Counts
2 → 95
Calls
2 calls:
11.0ms
(/ (cbrt x0) (- (sqrt 1.0) (sqrt x1)))
0.0ms
(fma (/ (* (cbrt x0) (cbrt x0)) (+ (sqrt 1.0) (sqrt x1))) (/ (cbrt x0) (- (sqrt 1.0) (sqrt x1))) (- x0))

series448.0ms

Counts
2 → 6
Calls
2 calls:
233.0ms
(/ (cbrt x0) (- (sqrt 1.0) (sqrt x1)))
214.0ms
(fma (/ (* (cbrt x0) (cbrt x0)) (+ (sqrt 1.0) (sqrt x1))) (/ (cbrt x0) (- (sqrt 1.0) (sqrt x1))) (- x0))

simplify565.0ms

Counts
101 → 101
Iterations

Useful iterations: done (562.0ms)

IterNodesCost
02212097
15151968
216911820
done50001732

prune196.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 5.1b

regimes46.0ms

Accuracy

0% (2.1b remaining)

Error of 7.0b against oracle of 4.9b and baseline of 7.0b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
01116
11314
done1314

end0.0ms

sample721.0ms

Algorithm
intervals
Results
390.0ms3991×pre10240exit
136.0ms8000×body80valid
61.0ms4009×pre80true