Details

Time bar (total: 17.9s)

sample55.0ms

Algorithm
intervals
Results
24.0ms261×body80valid
3.0msbody640valid
0.0msbody320valid
0.0msbody160valid

simplify2.2s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01215
15415
214215
332215
495915
5465615
done500015

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 4.4b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(tanh (/ x y))
0.0b
(tanh (/ t y))
0.3b
(- (tanh (/ t y)) (tanh (/ x y)))
4.9b
(* (* y z) (- (tanh (/ t y)) (tanh (/ x y))))

rewrite86.0ms

Algorithm
rewrite-expression-head
Rules
18×frac-sub
14×tanh-def
11×associate-*r/
pow1 add-exp-log add-sqr-sqrt *-un-lft-identity add-cbrt-cube
add-log-exp
add-cube-cbrt associate-*r*
sub-neg pow-prod-down prod-exp cbrt-unprod
distribute-rgt-in flip3-- distribute-lft-in flip-- distribute-lft-out-- difference-of-squares
diff-log associate-*l* *-commutative
Counts
4 → 78
Calls
4 calls:
2.0ms
(tanh (/ x y))
2.0ms
(tanh (/ t y))
15.0ms
(- (tanh (/ t y)) (tanh (/ x y)))
64.0ms
(* (* y z) (- (tanh (/ t y)) (tanh (/ x y))))

series725.0ms

Counts
4 → 12
Calls
4 calls:
104.0ms
(tanh (/ x y))
93.0ms
(tanh (/ t y))
316.0ms
(- (tanh (/ t y)) (tanh (/ x y)))
212.0ms
(* (* y z) (- (tanh (/ t y)) (tanh (/ x y))))

simplify1.2s

Counts
90 → 90
Iterations

Useful iterations: done (1.2s)

IterNodesCost
01651855
15201823
225841733
done50021729

prune410.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.4b

localize22.0ms

Local error

Found 4 expressions with local error:

0.0b
(tanh (/ t y))
0.2b
(* z (- (tanh (/ t y)) (tanh (/ x y))))
0.3b
(- (tanh (/ t y)) (tanh (/ x y)))
2.0b
(* y (* z (- (tanh (/ t y)) (tanh (/ x y)))))

rewrite222.0ms

Algorithm
rewrite-expression-head
Rules
33×associate-*r/
27×frac-sub
19×tanh-def
13×add-sqr-sqrt
11×pow1 add-exp-log *-un-lft-identity add-cbrt-cube
10×distribute-rgt-in distribute-lft-in
add-cube-cbrt sub-neg
associate-*r* associate-*l* add-log-exp
pow-prod-down prod-exp cbrt-unprod
flip3-- flip--
*-commutative distribute-lft-out-- difference-of-squares
diff-log unswap-sqr
Counts
4 → 105
Calls
4 calls:
2.0ms
(tanh (/ t y))
57.0ms
(* z (- (tanh (/ t y)) (tanh (/ x y))))
25.0ms
(- (tanh (/ t y)) (tanh (/ x y)))
133.0ms
(* y (* z (- (tanh (/ t y)) (tanh (/ x y)))))

series1.2s

Counts
4 → 12
Calls
4 calls:
135.0ms
(tanh (/ t y))
387.0ms
(* z (- (tanh (/ t y)) (tanh (/ x y))))
386.0ms
(- (tanh (/ t y)) (tanh (/ x y)))
277.0ms
(* y (* z (- (tanh (/ t y)) (tanh (/ x y)))))

simplify1.0s

Counts
117 → 117
Iterations

Useful iterations: done (1.0s)

IterNodesCost
01912513
15632486
222222356
done50022350

prune534.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.4b

localize20.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt y)
0.5b
(cbrt y)
0.9b
(* (cbrt y) (* z (- (tanh (/ t y)) (tanh (/ x y)))))
1.4b
(* (* (cbrt y) (cbrt y)) (* (cbrt y) (* z (- (tanh (/ t y)) (tanh (/ x y))))))

rewrite489.0ms

Algorithm
rewrite-expression-head
Rules
55×associate-*r/
32×distribute-rgt-in distribute-lft-in
30×pow1 add-exp-log
18×pow-prod-down prod-exp frac-sub add-cbrt-cube cbrt-unprod
12×sub-neg tanh-def
cbrt-prod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
associate-*l*
add-log-exp
flip3-- pow1/3 associate-*r* *-commutative flip--
Counts
4 → 117
Calls
4 calls:
2.0ms
(cbrt y)
2.0ms
(cbrt y)
126.0ms
(* (cbrt y) (* z (- (tanh (/ t y)) (tanh (/ x y)))))
348.0ms
(* (* (cbrt y) (cbrt y)) (* (cbrt y) (* z (- (tanh (/ t y)) (tanh (/ x y))))))

series1.4s

Counts
4 → 12
Calls
4 calls:
269.0ms
(cbrt y)
245.0ms
(cbrt y)
613.0ms
(* (cbrt y) (* z (- (tanh (/ t y)) (tanh (/ x y)))))
314.0ms
(* (* (cbrt y) (cbrt y)) (* (cbrt y) (* z (- (tanh (/ t y)) (tanh (/ x y))))))

simplify2.3s

Counts
129 → 129
Iterations

Useful iterations: done (2.3s)

IterNodesCost
02112877
17052851
234612285
done50002058

prune505.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.4b

localize28.0ms

Local error

Found 4 expressions with local error:

0.2b
(+ (* y (* (tanh (/ t y)) z)) (* z (* (- (tanh (/ x y))) y)))
1.4b
(* (tanh (/ t y)) z)
4.5b
(* (- (tanh (/ x y))) y)
4.6b
(* y (* (tanh (/ t y)) z))

rewrite166.0ms

Algorithm
rewrite-expression-head
Rules
27×associate-*l/
21×associate-*r/
16×associate-*l*
15×add-sqr-sqrt
13×pow1 add-exp-log add-cbrt-cube
12×distribute-neg-frac
11×add-cube-cbrt *-un-lft-identity
frac-add tanh-def
associate-*r*
add-log-exp
pow-prod-down prod-exp cbrt-unprod
distribute-lft-neg-out distribute-lft-neg-in distribute-rgt-neg-in *-commutative
distribute-rgt-neg-out unswap-sqr
+-commutative neg-mul-1 flip3-+ unsub-neg sum-log flip-+
Counts
4 → 93
Calls
4 calls:
59.0ms
(+ (* y (* (tanh (/ t y)) z)) (* z (* (- (tanh (/ x y))) y)))
22.0ms
(* (tanh (/ t y)) z)
32.0ms
(* (- (tanh (/ x y))) y)
45.0ms
(* y (* (tanh (/ t y)) z))

series785.0ms

Counts
4 → 12
Calls
4 calls:
258.0ms
(+ (* y (* (tanh (/ t y)) z)) (* z (* (- (tanh (/ x y))) y)))
163.0ms
(* (tanh (/ t y)) z)
194.0ms
(* (- (tanh (/ x y))) y)
170.0ms
(* y (* (tanh (/ t y)) z))

simplify2.3s

Counts
105 → 105
Iterations

Useful iterations: done (2.3s)

IterNodesCost
02051714
16441669
232331533
done50021527

prune422.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.2b

regimes143.0ms

Accuracy

0% (1.3b remaining)

Error of 1.7b against oracle of 0.4b and baseline of 1.7b

bsearch0.0ms

simplify10.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01520
12320
23120
33520
done3520

end0.0ms

sample1.5s

Algorithm
intervals
Results
999.0ms8317×body80valid
23.0ms96×body640valid
11.0ms60×body320valid
8.0ms27×body1280valid
4.0ms31×body160valid