Details

Time bar (total: 21.7s)

sample238.0ms

Algorithm
intervals
Results
88.0ms821×body80nan
21.0ms19×body1280valid
19.0ms181×body80valid
16.0ms28×body640valid
7.0ms21×body320valid
2.0msbody160valid

simplify321.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01213
12113
23013
33813
44413
55913
68313
710513
812413
913213
1013913
1114013
done14013

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 10.4b

localize26.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (+ (* x (log y)) (* z (log (- 1.0 y)))) t)
0.0b
(* z (log (- 1.0 y)))
0.3b
(* x (log y))
5.6b
(log (- 1.0 y))

rewrite151.0ms

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:
87.0ms
(- (+ (* x (log y)) (* z (log (- 1.0 y)))) t)
31.0ms
(* z (log (- 1.0 y)))
18.0ms
(* x (log y))
10.0ms
(log (- 1.0 y))

series396.0ms

Counts
4 → 12
Calls
4 calls:
137.0ms
(- (+ (* x (log y)) (* z (log (- 1.0 y)))) t)
113.0ms
(* z (log (- 1.0 y)))
63.0ms
(* x (log y))
83.0ms
(log (- 1.0 y))

simplify1.9s

Counts
98 → 98
Iterations

Useful iterations: done (1.9s)

IterNodesCost
02091141
14371103
21047983
32659953
done5000952

prune463.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.1b

localize28.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (+ (* x (log y)) (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))) t)
0.0b
(* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))
0.0b
(* 1/2 (/ (pow y 2) (pow 1.0 2)))
0.3b
(* x (log y))

rewrite670.0ms

Algorithm
rewrite-expression-head
Rules
88×add-sqr-sqrt
80×times-frac
78×associate-*r*
56×unpow-prod-down
51×*-un-lft-identity
46×add-cube-cbrt
31×add-exp-log
24×unpow2 sqr-pow
19×unswap-sqr
13×add-cbrt-cube
12×pow1 log-prod prod-exp
div-exp associate-*l* add-log-exp
distribute-rgt-in distribute-lft-in
associate--l+
pow-to-exp pow-exp
cbrt-unprod
sub-neg associate-*r/ pow-prod-down *-commutative distribute-lft-out--
flip3-- diff-log log-pow flip-- difference-of-squares
cbrt-undiv sum-log div-inv
Counts
4 → 184
Calls
4 calls:
70.0ms
(- (+ (* x (log y)) (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))) t)
516.0ms
(* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))
50.0ms
(* 1/2 (/ (pow y 2) (pow 1.0 2)))
16.0ms
(* x (log y))

series586.0ms

Counts
4 → 12
Calls
4 calls:
282.0ms
(- (+ (* x (log y)) (* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))) t)
143.0ms
(* z (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))
79.0ms
(* 1/2 (/ (pow y 2) (pow 1.0 2)))
82.0ms
(* x (log y))

simplify1.3s

Counts
196 → 196
Iterations

Useful iterations: done (1.3s)

IterNodesCost
03793130
18212908
219932493
done50012443

prune1.1s

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.1b

localize35.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (log (cbrt y)) x)
0.3b
(* (* 2 (log (cbrt y))) x)
0.6b
(cbrt y)
0.6b
(cbrt y)

rewrite63.0ms

Algorithm
rewrite-expression-head
Rules
12×pow1
11×add-exp-log add-sqr-sqrt add-cbrt-cube
add-cube-cbrt *-un-lft-identity
cbrt-prod associate-*r* associate-*l*
pow-prod-down prod-exp cbrt-unprod add-log-exp
pow1/3
log-pow *-commutative
unswap-sqr
Counts
4 → 60
Calls
4 calls:
18.0ms
(* (log (cbrt y)) x)
40.0ms
(* (* 2 (log (cbrt y))) x)
1.0ms
(cbrt y)
1.0ms
(cbrt y)

series987.0ms

Counts
4 → 12
Calls
4 calls:
195.0ms
(* (log (cbrt y)) x)
178.0ms
(* (* 2 (log (cbrt y))) x)
268.0ms
(cbrt y)
346.0ms
(cbrt y)

simplify3.5s

Counts
72 → 72
Iterations

Useful iterations: 3 (1.8s)

IterNodesCost
088525
1196493
2712406
32973397
done5001397

prune486.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.1b

localize71.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (* 2 (log (cbrt y))) x)
0.3b
(* (log (pow (/ 1 y) -1/3)) x)
0.6b
(cbrt y)
5.0b
(pow (/ 1 y) -1/3)

rewrite68.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt
16×add-exp-log add-cube-cbrt *-un-lft-identity
13×pow1 unpow-prod-down
11×add-cbrt-cube
times-frac
associate-*r*
associate-*l*
pow-prod-down pow-exp prod-exp cbrt-unprod add-log-exp
cbrt-prod pow-unpow pow-pow
div-exp *-commutative
pow-to-exp rec-exp pow-flip pow1/3 1-exp log-pow div-inv inv-pow unswap-sqr sqr-pow
Counts
4 → 80
Calls
4 calls:
21.0ms
(* (* 2 (log (cbrt y))) x)
15.0ms
(* (log (pow (/ 1 y) -1/3)) x)
2.0ms
(cbrt y)
27.0ms
(pow (/ 1 y) -1/3)

series927.0ms

Counts
4 → 12
Calls
4 calls:
173.0ms
(* (* 2 (log (cbrt y))) x)
176.0ms
(* (log (pow (/ 1 y) -1/3)) x)
301.0ms
(cbrt y)
276.0ms
(pow (/ 1 y) -1/3)

simplify1.3s

Counts
92 → 92
Iterations

Useful iterations: done (1.3s)

IterNodesCost
0167855
1363743
21098576
done5000538

prune489.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.1b

regimes326.0ms

Accuracy

0% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 0.4b

bsearch0.0ms

simplify8.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02937
14037
done4037

end0.0ms

sample6.2s

Algorithm
intervals
Results
2.1s23761×body80nan
697.0ms893×body640valid
585.0ms5517×body80valid
555.0ms738×body320valid
373.0ms426×body1280valid
75.0ms469×body160valid