Details

Time bar (total: 13.9s)

sample22.0ms

Algorithm
intervals
Results
8.0ms336×body80valid

simplify6.8s

Counts
1 → 1
Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
089
1158
2338
3638
41028
51428
61758
72138
82828
93678
104628
115208
125708
136138
146358
156738
168028
179408
1812538
1917448
2023498
2125208
2225288
done25288

prune6.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 2.2b

localize13.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ (* (/ x y) (- z t)) t)
6.5b
(* (/ x y) (- z t))

rewrite55.0ms

Algorithm
rewrite-expression-head
Rules
41×add-sqr-sqrt
36×*-un-lft-identity prod-diff
34×add-cube-cbrt
22×distribute-rgt-in associate-+l+ distribute-lft-in
13×associate-*l*
10×times-frac
add-exp-log add-cbrt-cube
associate-*r*
pow1 sub-neg add-log-exp
expm1-log1p-u frac-times flip3-- associate-*r/ prod-exp flip-- cbrt-unprod log1p-expm1-u unswap-sqr
cbrt-undiv +-commutative fma-def flip3-+ div-exp pow-prod-down associate-*l/ sum-log *-commutative flip-+ div-inv distribute-lft-out-- difference-of-squares
Counts
2 → 98
Calls
2 calls:
20.0ms
(+ (* (/ x y) (- z t)) t)
31.0ms
(* (/ x y) (- z t))

series94.0ms

Counts
2 → 6
Calls
2 calls:
36.0ms
(+ (* (/ x y) (- z t)) t)
58.0ms
(* (/ x y) (- z t))

simplify882.0ms

Counts
104 → 104
Iterations

Useful iterations: done (876.0ms)

IterNodesCost
01781645
14511317
212311118
done50001088

prune212.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize6.0ms

Local error

Found 1 expressions with local error:

2.1b
(fma (/ x y) (- z t) t)

rewrite1.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt expm1-log1p-u add-cube-cbrt *-un-lft-identity add-cbrt-cube fma-udef log1p-expm1-u add-log-exp
Counts
1 → 10
Calls
1 calls:
0.0ms
(fma (/ x y) (- z t) t)

series31.0ms

Counts
1 → 3
Calls
1 calls:
31.0ms
(fma (/ x y) (- z t) t)

simplify680.0ms

Counts
13 → 13
Iterations

Useful iterations: 3 (40.0ms)

IterNodesCost
023154
141154
291138
3263123
41131123
done5001123

prune34.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (* x (/ (- z t) y)) t)
0.0b
(/ (- z t) y)
6.2b
(* x (/ (- z t) y))

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
42×add-sqr-sqrt
37×*-un-lft-identity
31×times-frac
23×add-cube-cbrt
19×associate-*r*
10×add-exp-log add-cbrt-cube
distribute-lft-out-- difference-of-squares
pow1 associate-/l* add-log-exp
expm1-log1p-u associate-*l* associate-/r* log1p-expm1-u
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv associate-/l/ unswap-sqr
+-commutative flip3-- fma-def frac-2neg flip3-+ div-sub associate-*r/ pow-prod-down clear-num sum-log *-commutative flip-- flip-+
Counts
3 → 94
Calls
3 calls:
13.0ms
(+ (* x (/ (- z t) y)) t)
19.0ms
(/ (- z t) y)
26.0ms
(* x (/ (- z t) y))

series117.0ms

Counts
3 → 9
Calls
3 calls:
37.0ms
(+ (* x (/ (- z t) y)) t)
28.0ms
(/ (- z t) y)
52.0ms
(* x (/ (- z t) y))

simplify1.7s

Counts
103 → 103
Iterations

Useful iterations: 3 (844.0ms)

IterNodesCost
01431099
13511018
21009954
33715921
done5001921

prune221.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0b

localize11.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
0.6b
(cbrt y)
0.6b
(cbrt y)
3.8b
(* (/ x (* (cbrt y) (cbrt y))) (/ (- z t) (cbrt y)))

rewrite68.0ms

Algorithm
rewrite-expression-head
Rules
54×add-sqr-sqrt
40×times-frac
38×*-un-lft-identity
34×associate-*r*
26×cbrt-prod add-cube-cbrt
25×add-exp-log
18×add-cbrt-cube
prod-exp cbrt-unprod
cbrt-undiv div-exp associate-*l*
pow1 distribute-lft-out-- difference-of-squares unswap-sqr
expm1-log1p-u log1p-expm1-u add-log-exp
pow1/3
div-inv
frac-times associate-*r/ pow-prod-down associate-*l/ *-commutative
Counts
4 → 112
Calls
4 calls:
1.0ms
(cbrt y)
1.0ms
(cbrt y)
1.0ms
(cbrt y)
60.0ms
(* (/ x (* (cbrt y) (cbrt y))) (/ (- z t) (cbrt y)))

series631.0ms

Counts
4 → 12
Calls
4 calls:
188.0ms
(cbrt y)
177.0ms
(cbrt y)
171.0ms
(cbrt y)
96.0ms
(* (/ x (* (cbrt y) (cbrt y))) (/ (- z t) (cbrt y)))

simplify931.0ms

Counts
124 → 124
Iterations

Useful iterations: done (928.0ms)

IterNodesCost
01651625
14641547
219941193
done50001096

prune284.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0b

regimes154.0ms

Accuracy

-4.7% (2.1b remaining)

Error of 2.1b against oracle of 0.0b and baseline of 2.0b

bsearch56.0ms

Steps
ItersRangePoint
9
1.1883218742037433e-197
5.173071754270168e-190
1.0368003136625138e-190
7
-1.8353858603468546e-180
-6.863748776757378e-182
-1.849817840462493e-181

simplify3.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
01937
12530
done2530

end0.0ms

sample835.0ms

Algorithm
intervals
Results
455.0ms10549×body80valid