Details

Time bar (total: 30.9s)

sample96.0ms

Algorithm
intervals
Results
31.0ms294×body80valid
24.0ms295×body80nan

simplify8.6s

Counts
1 → 1
Iterations

Useful iterations: 5 (1.5s)

IterNodesCost
01516
13016
28815
327615
477615
5210614
6482714
done500014

prune20.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.1b

localize26.0ms

Local error

Found 3 expressions with local error:

0.0b
(- 1 (log t))
0.0b
(fma (- a 0.5) b (+ x y))
0.1b
(fma z (- 1 (log t)) (fma (- a 0.5) b (+ x y)))

rewrite11.0ms

Algorithm
rewrite-expression-head
Rules
16×*-un-lft-identity
15×add-sqr-sqrt
12×add-cube-cbrt prod-diff
pow1
log-pow add-log-exp
add-exp-log expm1-log1p-u log-prod fma-neg add-cbrt-cube log1p-expm1-u associate--r+
fma-udef distribute-lft-out-- difference-of-squares
sub-neg flip3-- diff-log flip--
Counts
3 → 56
Calls
3 calls:
9.0ms
(- 1 (log t))
0.0ms
(fma (- a 0.5) b (+ x y))
0.0ms
(fma z (- 1 (log t)) (fma (- a 0.5) b (+ x y)))

series620.0ms

Counts
3 → 9
Calls
3 calls:
210.0ms
(- 1 (log t))
106.0ms
(fma (- a 0.5) b (+ x y))
304.0ms
(fma z (- 1 (log t)) (fma (- a 0.5) b (+ x y)))

simplify2.2s

Counts
65 → 65
Iterations

Useful iterations: done (2.2s)

IterNodesCost
0114848
1218656
2471543
31639507
done5000506

prune269.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize19.0ms

Local error

Found 4 expressions with local error:

0.1b
(fma z (- (fma -2 (log (cbrt t)) 1) (log (cbrt t))) (fma (- a 0.5) b (+ x y)))
0.3b
(- (fma -2 (log (cbrt t)) 1) (log (cbrt t)))
0.5b
(cbrt t)
0.5b
(cbrt t)

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
20×*-un-lft-identity
19×add-sqr-sqrt
17×add-cube-cbrt
15×prod-diff
cbrt-prod
pow1
log-pow
log-prod associate--r+
pow1/3 add-log-exp
add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u
fma-neg
fma-udef distribute-lft-out--
sub-neg flip3-- diff-log associate--l+ flip-- difference-of-squares
Counts
4 → 78
Calls
4 calls:
1.0ms
(fma z (- (fma -2 (log (cbrt t)) 1) (log (cbrt t))) (fma (- a 0.5) b (+ x y)))
13.0ms
(- (fma -2 (log (cbrt t)) 1) (log (cbrt t)))
1.0ms
(cbrt t)
1.0ms
(cbrt t)

series2.2s

Counts
4 → 12
Calls
4 calls:
647.0ms
(fma z (- (fma -2 (log (cbrt t)) 1) (log (cbrt t))) (fma (- a 0.5) b (+ x y)))
867.0ms
(- (fma -2 (log (cbrt t)) 1) (log (cbrt t)))
327.0ms
(cbrt t)
351.0ms
(cbrt t)

simplify3.5s

Counts
90 → 90
Iterations

Useful iterations: done (3.5s)

IterNodesCost
01391418
12801239
27481011
33420814
done5000813

prune632.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (- a 0.5) b)
0.0b
(+ (- (+ (+ x y) z) (* z (log t))) (* (- a 0.5) b))
0.1b
(- (+ (+ x y) z) (* z (log t)))
0.3b
(* z (log t))

rewrite1.1s

Algorithm
rewrite-expression-head
Rules
33×*-un-lft-identity
27×add-log-exp
22×add-sqr-sqrt
16×add-cube-cbrt
12×log-prod
10×prod-diff sum-log
pow1 distribute-lft-out
add-exp-log associate-+l+ associate-*l* add-cbrt-cube
associate-*r*
distribute-rgt-in flip3-- distribute-lft-in diff-log associate-*l/ flip-- associate--r+
fma-neg
expm1-log1p-u frac-add log1p-expm1-u
fma-def
sub-neg pow-prod-down prod-exp associate--l+ *-commutative cbrt-unprod unswap-sqr
+-commutative associate-+l- flip3-+ log-pow flip-+ distribute-lft-out-- difference-of-squares
Counts
4 → 116
Calls
4 calls:
23.0ms
(* (- a 0.5) b)
834.0ms
(+ (- (+ (+ x y) z) (* z (log t))) (* (- a 0.5) b))
269.0ms
(- (+ (+ x y) z) (* z (log t)))
10.0ms
(* z (log t))

series362.0ms

Counts
4 → 12
Calls
4 calls:
36.0ms
(* (- a 0.5) b)
181.0ms
(+ (- (+ (+ x y) z) (* z (log t))) (* (- a 0.5) b))
76.0ms
(- (+ (+ x y) z) (* z (log t)))
69.0ms
(* z (log t))

simplify2.3s

Counts
128 → 128
Iterations

Useful iterations: done (2.3s)

IterNodesCost
02221851
15781715
223821571
done50001545

prune550.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

localize20.0ms

Local error

Found 4 expressions with local error:

0.3b
(* z (* 2 (log (cbrt t))))
0.3b
(* (log (cbrt t)) z)
0.5b
(cbrt t)
0.5b
(cbrt t)

rewrite41.0ms

Algorithm
rewrite-expression-head
Rules
24×distribute-rgt-in log-prod distribute-lft-in
19×add-sqr-sqrt
18×cbrt-prod
17×add-cube-cbrt *-un-lft-identity
12×pow1
11×add-exp-log add-cbrt-cube
associate-*l*
expm1-log1p-u associate-*r* pow-prod-down prod-exp cbrt-unprod log1p-expm1-u add-log-exp
pow1/3
log-pow *-commutative
unswap-sqr
Counts
4 → 92
Calls
4 calls:
27.0ms
(* z (* 2 (log (cbrt t))))
8.0ms
(* (log (cbrt t)) z)
1.0ms
(cbrt t)
1.0ms
(cbrt t)

series755.0ms

Counts
4 → 12
Calls
4 calls:
128.0ms
(* z (* 2 (log (cbrt t))))
127.0ms
(* (log (cbrt t)) z)
232.0ms
(cbrt t)
268.0ms
(cbrt t)

simplify3.5s

Counts
104 → 104
Iterations

Useful iterations: 3 (1.8s)

IterNodesCost
0147952
1297896
2826765
33314748
done5000748

prune478.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

regimes617.0ms

Accuracy

0% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 0.1b

bsearch0.0ms

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02631
13431
done3431

end0.0ms

sample2.8s

Algorithm
intervals
Results
1.3s9129×body80valid
719.0ms9227×body80nan
0.0msbody1280valid
0.0msbody160valid