Details

Time bar (total: 29.2s)

sample73.0ms

Algorithm
intervals
Results
40.0ms510×body80valid

simplify3.5s

Counts
1 → 1
Iterations

Useful iterations: 4 (122.0ms)

IterNodesCost
01113
12113
25213
317113
434612
558612
669812
780512
8104212
9122512
10122812
done122812

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 6.1b

localize13.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (* x x) (* (* y 4.0) (- (* z z) t)))
5.7b
(* (* y 4.0) (- (* z z) t))

rewrite73.0ms

Algorithm
rewrite-expression-head
Rules
13×prod-diff
10×distribute-rgt-in distribute-lft-in associate--r+
add-sqr-sqrt
pow1 add-exp-log add-cube-cbrt *-un-lft-identity add-cbrt-cube
sub-neg
associate-*r* add-log-exp
pow-prod-down prod-exp cbrt-unprod
expm1-log1p-u flip3-- associate-*r/ flip-- log1p-expm1-u
fma-neg diff-log associate-*l* *-commutative difference-of-squares
Counts
2 → 59
Calls
2 calls:
12.0ms
(- (* x x) (* (* y 4.0) (- (* z z) t)))
59.0ms
(* (* y 4.0) (- (* z z) t))

series227.0ms

Counts
2 → 6
Calls
2 calls:
128.0ms
(- (* x x) (* (* y 4.0) (- (* z z) t)))
99.0ms
(* (* y 4.0) (- (* z z) t))

simplify1.4s

Counts
65 → 65
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01361075
1364959
21221843
done5000815

prune218.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 2.7b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(* 4.0 (* y (- t (* z z))))
5.5b
(* y (- t (* z z)))

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
25×distribute-rgt-in distribute-lft-in
18×prod-diff
14×add-sqr-sqrt
11×add-cube-cbrt *-un-lft-identity
pow1 add-exp-log add-cbrt-cube
sub-neg associate-*r/ associate-*l*
associate-*r*
pow-prod-down prod-exp cbrt-unprod
expm1-log1p-u flip3-- *-commutative flip-- log1p-expm1-u add-log-exp
difference-of-squares unswap-sqr
Counts
2 → 75
Calls
2 calls:
38.0ms
(* 4.0 (* y (- t (* z z))))
21.0ms
(* y (- t (* z z)))

series164.0ms

Counts
2 → 6
Calls
2 calls:
92.0ms
(* 4.0 (* y (- t (* z z))))
72.0ms
(* y (- t (* z z)))

simplify3.3s

Counts
81 → 81
Iterations

Useful iterations: 3 (1.6s)

IterNodesCost
01221117
12821099
2830951
34169927
done5000927

prune187.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 2.7b

localize8.0ms

Local error

Found 1 expressions with local error:

0.0b
(* (* y t) 4.0)

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-cbrt-cube
associate-*r* pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
expm1-log1p-u associate-*l* *-commutative log1p-expm1-u add-log-exp
Counts
1 → 20
Calls
1 calls:
19.0ms
(* (* y t) 4.0)

series40.0ms

Counts
1 → 3
Calls
1 calls:
40.0ms
(* (* y t) 4.0)

simplify9.6s

Counts
23 → 23
Iterations

Useful iterations: 2 (113.0ms)

IterNodesCost
042169
198164
2397134
31412134
42760134
done5000134

prune99.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 2.7b

localize24.0ms

Local error

Found 3 expressions with local error:

0.3b
(* (* y t) (* (cbrt 4.0) (cbrt 4.0)))
0.4b
(* (* (* y t) (* (cbrt 4.0) (cbrt 4.0))) (cbrt 4.0))
1.0b
(* (cbrt 4.0) (cbrt 4.0))

rewrite258.0ms

Algorithm
rewrite-expression-head
Rules
40×pow1
35×add-exp-log
23×pow-prod-down
22×prod-exp cbrt-unprod
21×add-sqr-sqrt
20×add-cbrt-cube
19×cbrt-prod
13×add-cube-cbrt *-un-lft-identity associate-*r*
associate-*l*
pow1/3 swap-sqr
unswap-sqr
expm1-log1p-u *-commutative log1p-expm1-u add-log-exp
pow-sqr pow-prod-up
pow2 pow-plus
Counts
3 → 98
Calls
3 calls:
61.0ms
(* (* y t) (* (cbrt 4.0) (cbrt 4.0)))
157.0ms
(* (* (* y t) (* (cbrt 4.0) (cbrt 4.0))) (cbrt 4.0))
32.0ms
(* (cbrt 4.0) (cbrt 4.0))

series233.0ms

Counts
3 → 7
Calls
3 calls:
135.0ms
(* (* y t) (* (cbrt 4.0) (cbrt 4.0)))
98.0ms
(* (* (* y t) (* (cbrt 4.0) (cbrt 4.0))) (cbrt 4.0))
0.0ms
(* (cbrt 4.0) (cbrt 4.0))

simplify6.3s

Counts
105 → 105
Iterations

Useful iterations: 3 (3.4s)

IterNodesCost
01101187
12511026
21032806
34914706
done5000706

prune393.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 2.7b

regimes653.0ms

Accuracy

85.3% (0.5b remaining)

Error of 3.0b against oracle of 2.5b and baseline of 6.0b

bsearch160.0ms

Steps
ItersRangePoint
8
2.545703430091905e+149
1.2262819834048186e+154
1.205875807953863e+154
8
-1.769171722317776e+149
-1.7344183351890289e+146
-1.74920595474598e+149

simplify7.0ms

Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
02454
13338
done3338

end0.0ms

sample2.2s

Algorithm
intervals
Results
1.6s15607×body80valid