Details

Time bar (total: 18.6s)

sample58.0ms

Algorithm
intervals
Results
17.0ms235×body80valid
5.0ms18×body640valid
3.0ms14×body320valid
2.0msbody1280valid
1.0msbody160valid
0.0msbody2560valid

simplify2.1s

Counts
1 → 1
Iterations
IterNodes
done5000
63379
5728
4242
3111
252
122
011

prune23.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 10.8b

localize17.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- t z) (- a t))
3.4b
(fma y (/ (- t z) (- a t)) (+ y x))

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
38×add-sqr-sqrt *-un-lft-identity
25×times-frac
14×add-cube-cbrt
12×distribute-lft-out-- difference-of-squares
associate-/r* associate-/l*
add-cbrt-cube add-exp-log
expm1-log1p-u pow1 flip3-- associate-/r/ log1p-expm1-u flip-- add-log-exp associate-/l/
cbrt-undiv clear-num frac-2neg div-sub div-exp fma-udef div-inv
Counts
2 → 64
Calls
2 calls:
28.0ms
(/ (- t z) (- a t))
0.0ms
(fma y (/ (- t z) (- a t)) (+ y x))

series261.0ms

Counts
2 → 6
Calls
2 calls:
61.0ms
(/ (- t z) (- a t))
200.0ms
(fma y (/ (- t z) (- a t)) (+ y x))

simplify2.4s

Counts
70 → 70
Iterations
IterNodes
done5000
34441
2825
1263
0114

prune470.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 2.1b

localize36.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- t z) (- a t))
1.9b
(+ (* y (/ (- t z) (- a t))) (+ y x))
2.1b
(* y (/ (- t z) (- a t)))

rewrite130.0ms

Algorithm
rewrite-expression-head
Rules
76×add-sqr-sqrt
71×*-un-lft-identity
51×times-frac
31×associate-*r*
27×add-cube-cbrt
22×distribute-lft-out-- difference-of-squares
10×add-cbrt-cube add-exp-log
add-log-exp
pow1 associate-/r* associate-/l*
associate-/r/
expm1-log1p-u sum-log flip3-- associate-*l* associate-*r/ log1p-expm1-u flip--
cbrt-undiv flip3-+ div-exp frac-add prod-exp cbrt-unprod flip-+ div-inv unswap-sqr associate-/l/
+-commutative associate-+r+ clear-num fma-def frac-2neg div-sub pow-prod-down *-commutative
Counts
3 → 124
Calls
3 calls:
36.0ms
(/ (- t z) (- a t))
49.0ms
(+ (* y (/ (- t z) (- a t))) (+ y x))
37.0ms
(* y (/ (- t z) (- a t)))

series397.0ms

Counts
3 → 9
Calls
3 calls:
65.0ms
(/ (- t z) (- a t))
203.0ms
(+ (* y (/ (- t z) (- a t))) (+ y x))
128.0ms
(* y (/ (- t z) (- a t)))

simplify1.9s

Counts
133 → 133
Iterations
IterNodes
done5001
22457
1562
0191

prune828.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 2.1b

localize47.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- t z))
0.5b
(cbrt (- t z))
0.5b
(cbrt (- t z))
9.7b
(fma y (/ (* (cbrt (- t z)) (cbrt (- t z))) (/ (- a t) (cbrt (- t z)))) (+ y x))

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
15×cbrt-prod
13×add-sqr-sqrt *-un-lft-identity
add-cube-cbrt
cbrt-div
expm1-log1p-u pow1 add-cbrt-cube add-exp-log log1p-expm1-u add-log-exp
flip3-- pow1/3 flip-- distribute-lft-out-- difference-of-squares
fma-udef
Counts
4 → 61
Calls
4 calls:
5.0ms
(cbrt (- t z))
6.0ms
(cbrt (- t z))
6.0ms
(cbrt (- t z))
1.0ms
(fma y (/ (* (cbrt (- t z)) (cbrt (- t z))) (/ (- a t) (cbrt (- t z)))) (+ y x))

series835.0ms

Counts
4 → 12
Calls
4 calls:
206.0ms
(cbrt (- t z))
193.0ms
(cbrt (- t z))
249.0ms
(cbrt (- t z))
187.0ms
(fma y (/ (* (cbrt (- t z)) (cbrt (- t z))) (/ (- a t) (cbrt (- t z)))) (+ y x))

simplify1.4s

Counts
73 → 73
Iterations
IterNodes
done5000
31641
2476
1192
094

prune591.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 2.1b

localize31.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- t z))
0.5b
(cbrt (- t z))
7.4b
(* (* (* y (cbrt (- t z))) (cbrt (- t z))) (/ (cbrt (- t z)) (- a t)))
7.7b
(+ (* (* (* y (cbrt (- t z))) (cbrt (- t z))) (/ (cbrt (- t z)) (- a t))) (+ y x))

rewrite399.0ms

Algorithm
rewrite-expression-head
Rules
76×cbrt-div
55×add-sqr-sqrt *-un-lft-identity
51×associate-*r/
48×frac-times
46×associate-*r*
40×times-frac
39×flip3-- flip--
36×associate-*l/
35×cbrt-prod
34×frac-add
25×add-exp-log add-cube-cbrt
18×flip3-+ flip-+
16×add-cbrt-cube
15×distribute-lft-out-- difference-of-squares
13×pow1
12×prod-exp cbrt-unprod
add-log-exp
pow-prod-down
expm1-log1p-u log1p-expm1-u
cbrt-undiv sum-log div-exp
pow1/3 associate-/r/
+-commutative associate-+r+ fma-def associate-*l* *-commutative div-inv
Counts
4 → 173
Calls
4 calls:
4.0ms
(cbrt (- t z))
3.0ms
(cbrt (- t z))
217.0ms
(* (* (* y (cbrt (- t z))) (cbrt (- t z))) (/ (cbrt (- t z)) (- a t)))
164.0ms
(+ (* (* (* y (cbrt (- t z))) (cbrt (- t z))) (/ (cbrt (- t z)) (- a t))) (+ y x))

series862.0ms

Counts
4 → 12
Calls
4 calls:
260.0ms
(cbrt (- t z))
261.0ms
(cbrt (- t z))
122.0ms
(* (* (* y (cbrt (- t z))) (cbrt (- t z))) (/ (cbrt (- t z)) (- a t)))
219.0ms
(+ (* (* (* y (cbrt (- t z))) (cbrt (- t z))) (/ (cbrt (- t z)) (- a t))) (+ y x))

simplify1.7s

Counts
185 → 185
Iterations
IterNodes
done5000
11445
0398

prune1.4s

Pruning

9 alts after pruning (6 fresh and 3 done)

Merged error: 1.9b

regimes718.0ms

Accuracy

30.6% (5.9b remaining)

Error of 9.2b against oracle of 3.3b and baseline of 11.8b

bsearch111.0ms

Steps
ItersRangePoint
8
1.2451536107620915e+24
1.7190669353889846e+27
1.6940211736100345e+27
6
-4.4705439518245044e+156
-2.9356007209192085e+155
-7.250982778284566e+155

simplify6.0ms

Iterations
IterNodes
done25
125
019

end0.0ms

sample1.8s

Algorithm
intervals
Results
758.0ms7311×body80valid
123.0ms263×body1280valid
115.0ms469×body640valid
78.0ms407×body320valid
34.0ms255×body160valid
8.0ms18×body2560valid