Details

Time bar (total: 19.3s)

sample54.0ms

Algorithm
intervals
Results
16.0ms247×body80valid
6.0ms25×body640valid
3.0ms17×body320valid
2.0msbody1280valid
1.0ms10×body160valid

simplify2.4s

Counts
1 → 1
Iterations
IterNodes
done5000
63874
5979
4326
3116
245
120
011

prune28.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 14.2b

localize24.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) (- a t))
4.1b
(fma (/ (- z t) (- a t)) (- y x) x)

rewrite30.0ms

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:
27.0ms
(/ (- z t) (- a t))
0.0ms
(fma (/ (- z t) (- a t)) (- y x) x)

series238.0ms

Counts
2 → 6
Calls
2 calls:
57.0ms
(/ (- z t) (- a t))
181.0ms
(fma (/ (- z t) (- a t)) (- y x) x)

simplify2.1s

Counts
70 → 70
Iterations
IterNodes
done5000
34602
2861
1272
0116

prune474.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 5.1b

localize21.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z t) (- a t))
2.1b
(* (/ (- z t) (- a t)) (- y x))
3.3b
(+ (* (/ (- z t) (- a t)) (- y x)) x)

rewrite112.0ms

Algorithm
rewrite-expression-head
Rules
102×add-sqr-sqrt
97×*-un-lft-identity
51×times-frac add-cube-cbrt
36×prod-diff
31×associate-*l*
23×distribute-lft-out-- difference-of-squares
22×distribute-rgt-in associate-+l+ distribute-lft-in
10×add-cbrt-cube add-exp-log
pow1 associate-/r* flip3-- associate-*r* flip-- associate-/l* add-log-exp
sub-neg associate-/r/
expm1-log1p-u log1p-expm1-u
frac-times cbrt-undiv div-exp prod-exp associate-*r/ cbrt-unprod div-inv unswap-sqr associate-/l/
+-commutative clear-num sum-log fma-def frac-2neg flip3-+ div-sub pow-prod-down associate-*l/ *-commutative flip-+
Counts
3 → 170
Calls
3 calls:
24.0ms
(/ (- z t) (- a t))
54.0ms
(* (/ (- z t) (- a t)) (- y x))
23.0ms
(+ (* (/ (- z t) (- a t)) (- y x)) x)

series695.0ms

Counts
3 → 9
Calls
3 calls:
75.0ms
(/ (- z t) (- a t))
382.0ms
(* (/ (- z t) (- a t)) (- y x))
238.0ms
(+ (* (/ (- z t) (- a t)) (- y x)) x)

simplify1.8s

Counts
179 → 179
Iterations
IterNodes
done5001
23220
1717
0255

prune1.2s

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 5.1b

localize29.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- a t) (- z t))
0.4b
(/ 1 (/ (- a t) (- z t)))
2.1b
(* (/ 1 (/ (- a t) (- z t))) (- y x))
3.3b
(+ (* (/ 1 (/ (- a t) (- z t))) (- y x)) x)

rewrite232.0ms

Algorithm
rewrite-expression-head
Rules
392×times-frac
362×add-sqr-sqrt
350×*-un-lft-identity
182×add-cube-cbrt
98×associate-*l*
83×distribute-lft-out-- difference-of-squares
36×associate-/r* prod-diff add-exp-log
22×distribute-rgt-in associate-+l+ distribute-lft-in
20×add-cbrt-cube
18×associate-/r/
15×div-exp
11×flip3-- flip--
10×div-inv
associate-/l*
pow1 cbrt-undiv prod-exp
add-log-exp
associate-*r* unswap-sqr
expm1-log1p-u rec-exp sub-neg 1-exp log1p-expm1-u
cbrt-unprod
frac-times clear-num frac-2neg associate-*r/ associate-/l/
+-commutative sum-log fma-def flip3-+ div-sub pow-prod-down associate-*l/ *-commutative flip-+ pow-flip inv-pow
Counts
4 → 396
Calls
4 calls:
28.0ms
(/ (- a t) (- z t))
40.0ms
(/ 1 (/ (- a t) (- z t)))
102.0ms
(* (/ 1 (/ (- a t) (- z t))) (- y x))
34.0ms
(+ (* (/ 1 (/ (- a t) (- z t))) (- y x)) x)

series961.0ms

Counts
4 → 12
Calls
4 calls:
59.0ms
(/ (- a t) (- z t))
184.0ms
(/ 1 (/ (- a t) (- z t)))
441.0ms
(* (/ 1 (/ (- a t) (- z t))) (- y x))
277.0ms
(+ (* (/ 1 (/ (- a t) (- z t))) (- y x)) x)

simplify1.2s

Counts
408 → 408
Iterations
IterNodes
done5001
11389
0463

prune2.2s

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 5.1b

localize40.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- z t))
0.5b
(cbrt (- z t))
0.5b
(cbrt (- z t))
11.7b
(fma (* (* (cbrt (- z t)) (cbrt (- z t))) (/ (cbrt (- z t)) (- a t))) (- y x) 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:
6.0ms
(cbrt (- z t))
6.0ms
(cbrt (- z t))
6.0ms
(cbrt (- z t))
1.0ms
(fma (* (* (cbrt (- z t)) (cbrt (- z t))) (/ (cbrt (- z t)) (- a t))) (- y x) x)

series765.0ms

Counts
4 → 12
Calls
4 calls:
221.0ms
(cbrt (- z t))
218.0ms
(cbrt (- z t))
172.0ms
(cbrt (- z t))
153.0ms
(fma (* (* (cbrt (- z t)) (cbrt (- z t))) (/ (cbrt (- z t)) (- a t))) (- y x) x)

simplify1.5s

Counts
73 → 73
Iterations
IterNodes
done5002
31782
2510
1199
096

prune498.0ms

Pruning

16 alts after pruning (14 fresh and 2 done)

Merged error: 5.1b

regimes1.2s

Accuracy

31.5% (5.8b remaining)

Error of 9.0b against oracle of 3.2b and baseline of 11.6b

bsearch164.0ms

Steps
ItersRangePoint
10
5.2644298199866365e-157
2.7232975322406408e-140
4.822059143857127e-150
8
-2.539644303582551e-91
-1.7804719413044463e-94
-1.9039405874823513e-94

simplify7.0ms

Iterations
IterNodes
done32
132
023

end0.0ms

sample1.4s

Algorithm
intervals
Results
718.0ms7837×body80valid
122.0ms504×body640valid
96.0ms404×body320valid
71.0ms266×body1280valid
25.0ms242×body160valid
3.0ms11×body2560valid