Details

Time bar (total: 8.1s)

sample110.0ms

Algorithm
intervals
Results
31.0ms60×body10240exit
24.0ms48×body1280valid
12.0ms49×body640valid
6.0ms114×body80valid
4.0msbody2560valid
4.0ms26×body320valid
2.0ms78×body80nan
2.0ms16×body160valid
1.0msbody1280nan
1.0msbody640nan
1.0msbody320nan
0.0msbody160nan

simplify199.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0207
1337
2497
3717
4937
51807
62327
74117
87107
910927
1012407
1115587
1241917
1350017
done50017

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 25.7b

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(* y (exp z))
0.0b
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
1.9b
(log (+ (- 1.0 y) (* y (exp z))))
2.9b
(+ (- 1.0 y) (* y (exp z)))

rewrite109.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt
16×add-cube-cbrt *-un-lft-identity
12×times-frac
11×pow1
add-log-exp
add-exp-log add-cbrt-cube
log-pow
log-div associate-/l*
log-prod flip3-+ associate-*r* associate-*l* associate-/r* flip-+
associate-+l+ div-sub sum-log
cbrt-undiv +-commutative associate-+l- sub-neg frac-2neg diff-log div-exp rem-log-exp pow-prod-down prod-exp clear-num *-commutative cbrt-unprod div-inv unswap-sqr
Counts
4 → 80
Calls
4 calls:
11.0ms
(* y (exp z))
50.0ms
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
20.0ms
(log (+ (- 1.0 y) (* y (exp z))))
26.0ms
(+ (- 1.0 y) (* y (exp z)))

series295.0ms

Counts
4 → 12
Calls
4 calls:
21.0ms
(* y (exp z))
161.0ms
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
76.0ms
(log (+ (- 1.0 y) (* y (exp z))))
36.0ms
(+ (- 1.0 y) (* y (exp z)))

simplify47.0ms

Counts
92 → 92
Iterations

Useful iterations: 2 (40.0ms)

IterNodesCost
0452795
11740733
25001726
done5001726

prune272.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 3.4b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* 0.5 (pow z 2)) (* 1.0 z))
0.0b
(* 0.5 (pow z 2))
2.6b
(* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))
5.5b
(/ (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))) t)

rewrite81.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
17×add-cube-cbrt *-un-lft-identity
13×add-exp-log
11×associate-*r*
10×add-cbrt-cube
times-frac
pow1 associate-*l* add-log-exp
unswap-sqr
unpow-prod-down prod-exp
flip3-+ associate-/r* flip-+ associate-/l*
associate-*r/ *-commutative cbrt-unprod associate-/l/ unpow2 sqr-pow
cbrt-undiv +-commutative distribute-rgt-in pow-to-exp frac-2neg distribute-lft-in div-exp pow-prod-down pow-exp clear-num sum-log div-inv
Counts
4 → 89
Calls
4 calls:
9.0ms
(+ (* 0.5 (pow z 2)) (* 1.0 z))
11.0ms
(* 0.5 (pow z 2))
24.0ms
(* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))
35.0ms
(/ (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))) t)

series306.0ms

Counts
4 → 12
Calls
4 calls:
72.0ms
(+ (* 0.5 (pow z 2)) (* 1.0 z))
25.0ms
(* 0.5 (pow z 2))
88.0ms
(* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))
122.0ms
(/ (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))) t)

simplify59.0ms

Counts
101 → 101
Iterations

Useful iterations: 2 (51.0ms)

IterNodesCost
0415800
11832721
25001715
done5001715

prune325.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 3.3b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* 0.5 (pow z 2)) (* 1.0 z))
0.0b
(* 0.5 (pow z 2))
2.6b
(* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))
5.6b
(* (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))) (/ 1 t))

rewrite76.0ms

Algorithm
rewrite-expression-head
Rules
32×add-sqr-sqrt
24×associate-*r*
20×add-exp-log
18×*-un-lft-identity
17×add-cube-cbrt
13×add-cbrt-cube
11×times-frac
associate-*l*
pow1 prod-exp unswap-sqr
add-log-exp
unpow-prod-down flip3-+ cbrt-unprod flip-+
associate-*r/ *-commutative
frac-times div-exp pow-prod-down associate-*l/ unpow2 sqr-pow
cbrt-undiv +-commutative distribute-rgt-in pow-to-exp rec-exp distribute-lft-in 1-exp pow-exp sum-log un-div-inv div-inv
Counts
4 → 100
Calls
4 calls:
9.0ms
(+ (* 0.5 (pow z 2)) (* 1.0 z))
11.0ms
(* 0.5 (pow z 2))
27.0ms
(* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))
26.0ms
(* (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))) (/ 1 t))

series317.0ms

Counts
4 → 12
Calls
4 calls:
74.0ms
(+ (* 0.5 (pow z 2)) (* 1.0 z))
31.0ms
(* 0.5 (pow z 2))
89.0ms
(* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))
123.0ms
(* (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))) (/ 1 t))

simplify75.0ms

Counts
112 → 112
Iterations

Useful iterations: 2 (67.0ms)

IterNodesCost
0526909
12623809
25001797
done5001797

prune353.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 3.3b

localize17.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt t)
1.8b
(/ (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))) (cbrt t))
2.6b
(* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))
3.8b
(* (/ 1 (* (cbrt t) (cbrt t))) (/ (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))) (cbrt t)))

rewrite133.0ms

Algorithm
rewrite-expression-head
Rules
60×add-sqr-sqrt
53×add-exp-log
51×times-frac
40×*-un-lft-identity
37×add-cube-cbrt
27×cbrt-prod
25×associate-*r*
21×prod-exp add-cbrt-cube
16×div-exp
10×associate-*l* unswap-sqr
cbrt-unprod
pow1 cbrt-undiv
associate-/r*
rec-exp 1-exp add-log-exp
associate-*r/ div-inv associate-/l*
flip3-+ pow-prod-down *-commutative flip-+ associate-/l/
distribute-rgt-in frac-times frac-2neg distribute-lft-in pow1/3 associate-*l/ clear-num
Counts
4 → 144
Calls
4 calls:
1.0ms
(cbrt t)
33.0ms
(/ (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))) (cbrt t))
25.0ms
(* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))
69.0ms
(* (/ 1 (* (cbrt t) (cbrt t))) (/ (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))) (cbrt t)))

series693.0ms

Counts
4 → 12
Calls
4 calls:
187.0ms
(cbrt t)
219.0ms
(/ (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))) (cbrt t))
90.0ms
(* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))
197.0ms
(* (/ 1 (* (cbrt t) (cbrt t))) (/ (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))) (cbrt t)))

simplify109.0ms

Counts
156 → 156
Iterations

Useful iterations: 2 (92.0ms)

IterNodesCost
07682292
140821976
250011883
done50011883

prune518.0ms

Pruning

17 alts after pruning (16 fresh and 1 done)

Merged error: 3.3b

regimes710.0ms

Accuracy

74.8% (4.0b remaining)

Error of 8.3b against oracle of 4.3b and baseline of 20.2b

bsearch155.0ms

Steps
ItersRangePoint
7
1.2449861131513245e-115
3.07325320309632e-113
1.8264381599139905e-113
10
-0.7465447619262514
-3.2626108287873416e-11
-5.050049854843211e-06

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
05632
15632
done5632

end0.0ms

sample3.1s

Algorithm
intervals
Results
730.0ms1554×body10240exit
710.0ms1396×body1280valid
441.0ms1574×body640valid
207.0ms3579×body80valid
157.0ms932×body320valid
96.0ms77×body2560valid
80.0ms2466×body80nan
52.0ms469×body160valid
48.0ms263×body640nan
28.0ms106×body1280nan
19.0ms159×body320nan
8.0ms100×body160nan