Details

Time bar (total: 19.8s)

sample53.0ms

Algorithm
intervals
Results
13.0ms62×body640valid
9.0ms211×body80nan
9.0ms39×body1280valid
7.0ms132×body80valid
2.0ms16×body320valid
1.0msbody160valid

simplify12.0ms

Counts
1 → 1
Iterations
IterNodes
done17
217
113
08

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 18.5b

localize44.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (+ x 1))
0.2b
(/ 1 (sqrt (+ x 1)))
0.3b
(/ 1 (sqrt x))
2.1b
(- (/ 1 (sqrt x)) (/ 1 (sqrt (+ x 1))))

rewrite156.0ms

Algorithm
rewrite-expression-head
Rules
113×add-sqr-sqrt
97×*-un-lft-identity times-frac
64×sqrt-prod
42×add-cube-cbrt
25×difference-of-squares
13×associate-/r* distribute-lft-out--
12×add-exp-log
pow1
add-cbrt-cube distribute-lft-out
div-inv pow-flip associate-/l* add-log-exp
sqrt-div div-exp insert-posit16
sqrt-pow1 pow1/2
cbrt-undiv rec-exp clear-num frac-2neg flip3-+ 1-exp associate-/r/ flip-+ inv-pow
rem-sqrt-square sub-neg flip3-- diff-log frac-sub flip--
Counts
4 → 167
Calls
4 calls:
13.0ms
(sqrt (+ x 1))
27.0ms
(/ 1 (sqrt (+ x 1)))
13.0ms
(/ 1 (sqrt x))
91.0ms
(- (/ 1 (sqrt x)) (/ 1 (sqrt (+ x 1))))

series215.0ms

Counts
4 → 12
Calls
4 calls:
29.0ms
(sqrt (+ x 1))
49.0ms
(/ 1 (sqrt (+ x 1)))
31.0ms
(/ 1 (sqrt x))
106.0ms
(- (/ 1 (sqrt x)) (/ 1 (sqrt (+ x 1))))

simplify3.5s

Counts
179 → 179
Iterations
IterNodes
done5057
44762
32343
2988
1407
0208

prune601.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 18.0b

localize21.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (sqrt (+ x 1)))
0.3b
(/ 1 (sqrt x))
2.1b
(- (/ 1 (sqrt x)) (/ 1 (sqrt (+ x 1))))
2.6b
(exp (log (- (/ 1 (sqrt x)) (/ 1 (sqrt (+ x 1))))))

rewrite187.0ms

Algorithm
rewrite-expression-head
Rules
189×add-sqr-sqrt
155×times-frac
147×*-un-lft-identity
92×sqrt-prod
50×difference-of-squares
49×add-cube-cbrt
41×log-prod exp-sum
26×distribute-lft-out--
13×associate-/r*
12×add-exp-log
10×div-inv distribute-lft-out
pow1
add-cbrt-cube
pow-flip associate-/l* add-log-exp
exp-prod div-exp insert-posit16
log-div exp-diff
cbrt-undiv rec-exp clear-num frac-2neg sqrt-pow1 flip3-- pow1/2 sqrt-div 1-exp associate-/r/ frac-sub flip-- inv-pow
sub-neg flip3-+ diff-log log-pow flip-+ rem-exp-log
Counts
4 → 207
Calls
4 calls:
25.0ms
(/ 1 (sqrt (+ x 1)))
13.0ms
(/ 1 (sqrt x))
86.0ms
(- (/ 1 (sqrt x)) (/ 1 (sqrt (+ x 1))))
54.0ms
(exp (log (- (/ 1 (sqrt x)) (/ 1 (sqrt (+ x 1))))))

series221.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(/ 1 (sqrt (+ x 1)))
29.0ms
(/ 1 (sqrt x))
74.0ms
(- (/ 1 (sqrt x)) (/ 1 (sqrt (+ x 1))))
78.0ms
(exp (log (- (/ 1 (sqrt x)) (/ 1 (sqrt (+ x 1))))))

simplify3.0s

Counts
219 → 219
Iterations
IterNodes
done5002
44853
32575
21045
1490
0282

prune747.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 18.0b

localize32.0ms

Local error

Found 3 expressions with local error:

0.0b
(sqrt (+ x 1))
0.2b
(/ 1 (sqrt (+ x 1)))
8.8b
(- (pow x -1/2) (/ 1 (sqrt (+ x 1))))

rewrite99.0ms

Algorithm
rewrite-expression-head
Rules
52×add-sqr-sqrt
39×*-un-lft-identity
33×times-frac
26×sqrt-prod
20×add-cube-cbrt
15×difference-of-squares
associate-/r* add-exp-log
pow1
unpow-prod-down add-cbrt-cube distribute-lft-out add-log-exp sqr-pow
sqrt-div
insert-posit16 pow-flip associate-/l*
sqrt-pow1 flip3-+ pow1/2 div-exp associate-/r/ flip-+ div-inv distribute-lft-out--
cbrt-undiv rem-sqrt-square rec-exp clear-num sub-neg frac-2neg flip3-- diff-log 1-exp flip-- inv-pow
Counts
3 → 99
Calls
3 calls:
15.0ms
(sqrt (+ x 1))
22.0ms
(/ 1 (sqrt (+ x 1)))
57.0ms
(- (pow x -1/2) (/ 1 (sqrt (+ x 1))))

series158.0ms

Counts
3 → 9
Calls
3 calls:
41.0ms
(sqrt (+ x 1))
39.0ms
(/ 1 (sqrt (+ x 1)))
78.0ms
(- (pow x -1/2) (/ 1 (sqrt (+ x 1))))

simplify1.8s

Counts
108 → 108
Iterations
IterNodes
done5000
32291
2872
1363
0173

prune384.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 18.0b

localize70.0ms

Local error

Found 4 expressions with local error:

2.1b
(- (/ 1 (sqrt x)) (/ 1 (sqrt (+ x 1))))
2.1b
(- (/ 1 (sqrt x)) (/ 1 (sqrt (+ x 1))))
2.1b
(- (/ 1 (sqrt x)) (/ 1 (sqrt (+ x 1))))
2.5b
(pow (exp (* (cbrt (log (- (/ 1 (sqrt x)) (/ 1 (sqrt (+ x 1)))))) (cbrt (log (- (/ 1 (sqrt x)) (/ 1 (sqrt (+ x 1)))))))) (cbrt (log (- (/ 1 (sqrt x)) (/ 1 (sqrt (+ x 1)))))))

rewrite227.0ms

Algorithm
rewrite-expression-head
Rules
235×add-sqr-sqrt
174×times-frac
160×*-un-lft-identity
96×sqrt-prod
75×difference-of-squares
39×distribute-lft-out--
25×add-cube-cbrt
12×div-inv
11×add-log-exp
distribute-lft-out
pow-unpow
pow1
cbrt-prod add-cbrt-cube add-exp-log insert-posit16
sub-neg unpow-prod-down pow-pow flip3-- diff-log frac-sub flip--
pow-to-exp exp-prod exp-to-pow pow-exp log-pow sqr-pow
Counts
4 → 180
Calls
4 calls:
75.0ms
(- (/ 1 (sqrt x)) (/ 1 (sqrt (+ x 1))))
56.0ms
(- (/ 1 (sqrt x)) (/ 1 (sqrt (+ x 1))))
73.0ms
(- (/ 1 (sqrt x)) (/ 1 (sqrt (+ x 1))))
9.0ms
(pow (exp (* (cbrt (log (- (/ 1 (sqrt x)) (/ 1 (sqrt (+ x 1)))))) (cbrt (log (- (/ 1 (sqrt x)) (/ 1 (sqrt (+ x 1)))))))) (cbrt (log (- (/ 1 (sqrt x)) (/ 1 (sqrt (+ x 1)))))))

series2.1s

Counts
4 → 12
Calls
4 calls:
93.0ms
(- (/ 1 (sqrt x)) (/ 1 (sqrt (+ x 1))))
86.0ms
(- (/ 1 (sqrt x)) (/ 1 (sqrt (+ x 1))))
102.0ms
(- (/ 1 (sqrt x)) (/ 1 (sqrt (+ x 1))))
1.8s
(pow (exp (* (cbrt (log (- (/ 1 (sqrt x)) (/ 1 (sqrt (+ x 1)))))) (cbrt (log (- (/ 1 (sqrt x)) (/ 1 (sqrt (+ x 1)))))))) (cbrt (log (- (/ 1 (sqrt x)) (/ 1 (sqrt (+ x 1)))))))

simplify3.1s

Counts
192 → 192
Iterations
IterNodes
done5006
23093
1762
0258

prune806.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 18.0b

regimes87.0ms

Accuracy

94.5% (0.4b remaining)

Error of 19.7b against oracle of 19.3b and baseline of 26.3b

bsearch70.0ms

Steps
ItersRangePoint
7
3.974905491533812e+107
3.1637000559480493e+109
5.2088959942045496e+107

simplify18.0ms

Iterations
IterNodes
done46
146
036

end0.0ms

sample2.1s

Algorithm
intervals
Results
479.0ms1873×body640valid
410.0ms7974×body80nan
403.0ms619×body320valid
348.0ms1119×body1280valid
256.0ms4064×body80valid
32.0ms325×body160valid