Details

Time bar (total: 20.6s)

sample187.0ms

Algorithm
intervals
Results
60.0ms663×body80nan
15.0ms168×body80valid
14.0ms14×body1280valid
14.0ms28×body640valid
10.0ms28×body320valid
4.0ms19×body160valid

simplify612.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01213
12113
23013
33813
44413
55913
69013
718713
861113
done500013

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 12.4b

localize36.0ms

Local error

Found 4 expressions with local error:

0.0b
(* z (log (- 1.0 y)))
0.0b
(- (+ (* x (log y)) (* z (log (- 1.0 y)))) t)
0.2b
(* x (log y))
6.3b
(log (- 1.0 y))

rewrite120.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
21×log-prod *-un-lft-identity
13×add-cube-cbrt
11×pow1
add-exp-log add-log-exp
distribute-rgt-in distribute-lft-in associate-*r* add-cbrt-cube
associate-*l*
distribute-lft-out-- difference-of-squares
log-pow
log-div flip3-- diff-log pow-prod-down prod-exp *-commutative flip-- cbrt-unprod unswap-sqr
sub-neg rem-log-exp associate--l+ sum-log
Counts
4 → 86
Calls
4 calls:
15.0ms
(* z (log (- 1.0 y)))
76.0ms
(- (+ (* x (log y)) (* z (log (- 1.0 y)))) t)
16.0ms
(* x (log y))
10.0ms
(log (- 1.0 y))

series333.0ms

Counts
4 → 12
Calls
4 calls:
102.0ms
(* z (log (- 1.0 y)))
116.0ms
(- (+ (* x (log y)) (* z (log (- 1.0 y)))) t)
42.0ms
(* x (log y))
73.0ms
(log (- 1.0 y))

simplify939.0ms

Counts
98 → 98
Iterations

Useful iterations: done (935.0ms)

IterNodesCost
02091141
14701103
21490987
done5000966

prune698.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.1b

localize30.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 1/2 (/ (pow y 2) (pow 1.0 2)))
0.0b
(+ (* x (log y)) (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2)))))))
0.0b
(* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))
0.2b
(* x (log y))

rewrite210.0ms

Algorithm
rewrite-expression-head
Rules
90×add-sqr-sqrt
80×times-frac
78×associate-*r*
56×unpow-prod-down
53×*-un-lft-identity
50×add-cube-cbrt
31×add-exp-log
24×log-prod unpow2 sqr-pow
19×unswap-sqr
16×distribute-rgt-in distribute-lft-in
13×add-cbrt-cube
12×pow1 prod-exp associate--l+
10×associate-+r+
div-exp associate-*l*
pow-to-exp associate-+l+ pow-exp add-log-exp
sub-neg cbrt-unprod
associate-*r/ pow-prod-down *-commutative
log-pow distribute-lft-out--
cbrt-undiv +-commutative flip3-- flip3-+ sum-log flip-- flip-+ div-inv difference-of-squares
Counts
4 → 195
Calls
4 calls:
45.0ms
(* 1/2 (/ (pow y 2) (pow 1.0 2)))
34.0ms
(+ (* x (log y)) (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2)))))))
101.0ms
(* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))
9.0ms
(* x (log y))

series484.0ms

Counts
4 → 12
Calls
4 calls:
109.0ms
(* 1/2 (/ (pow y 2) (pow 1.0 2)))
177.0ms
(+ (* x (log y)) (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2)))))))
124.0ms
(* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))
73.0ms
(* x (log y))

simplify2.4s

Counts
207 → 207
Iterations

Useful iterations: done (2.3s)

IterNodesCost
03763213
19892930
242042558
done50022557

prune1.6s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.1b

localize41.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt y) (cbrt y))
0.6b
(cbrt y)
0.6b
(cbrt y)
0.6b
(cbrt y)

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
15×add-cube-cbrt *-un-lft-identity
11×pow1
pow1/3
add-exp-log swap-sqr associate-*r* associate-*l*
add-cbrt-cube add-log-exp unswap-sqr
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 73
Calls
4 calls:
11.0ms
(* (cbrt y) (cbrt y))
1.0ms
(cbrt y)
1.0ms
(cbrt y)
1.0ms
(cbrt y)

series1.2s

Counts
4 → 12
Calls
4 calls:
327.0ms
(* (cbrt y) (cbrt y))
251.0ms
(cbrt y)
370.0ms
(cbrt y)
300.0ms
(cbrt y)

simplify1.1s

Counts
85 → 85
Iterations

Useful iterations: done (1.1s)

IterNodesCost
061524
1139417
2735397
done5000383

prune641.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.1b

localize56.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt y) (cbrt y))
0.6b
(cbrt y)
0.6b
(cbrt y)
5.0b
(pow (/ 1 y) -1/3)

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
30×add-sqr-sqrt
22×cbrt-prod add-cube-cbrt *-un-lft-identity
13×pow1 unpow-prod-down
11×add-exp-log
times-frac
pow1/3
swap-sqr associate-*r* associate-*l*
pow-exp add-cbrt-cube add-log-exp unswap-sqr
pow-unpow pow-pow
div-exp pow-prod-down pow-sqr pow-prod-up
pow2 pow-to-exp rec-exp pow-flip pow-plus 1-exp prod-exp *-commutative cbrt-unprod div-inv inv-pow sqr-pow
Counts
4 → 94
Calls
4 calls:
11.0ms
(* (cbrt y) (cbrt y))
9.0ms
(cbrt y)
1.0ms
(cbrt y)
12.0ms
(pow (/ 1 y) -1/3)

series1.0s

Counts
4 → 12
Calls
4 calls:
247.0ms
(* (cbrt y) (cbrt y))
290.0ms
(cbrt y)
280.0ms
(cbrt y)
213.0ms
(pow (/ 1 y) -1/3)

simplify1.3s

Counts
106 → 106
Iterations

Useful iterations: done (1.3s)

IterNodesCost
0135788
1375620
21571592
done5002580

prune757.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.1b

regimes432.0ms

Accuracy

0% (0.4b remaining)

Error of 0.5b against oracle of 0.1b and baseline of 0.5b

bsearch0.0ms

simplify8.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03245
14245
done4245

end0.0ms

sample6.3s

Algorithm
intervals
Results
2.8s23684×body80nan
609.0ms5503×body80valid
404.0ms882×body640valid
327.0ms416×body1280valid
255.0ms739×body320valid
77.0ms482×body160valid