Details

Time bar (total: 21.5s)

sample34.0ms

Algorithm
intervals
Results
15.0ms313×body80valid

simplify4.9s

Counts
1 → 1
Iterations

Useful iterations: done (4.9s)

IterNodesCost
01417
12517
24916
310516
419516
529715
647115
790915
8297515
done500014

prune11.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize17.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ (/ (fma 2.0 1.0 (/ 2.0 z)) t) (- (/ x y) 2.0))
0.1b
(/ (fma 2.0 1.0 (/ 2.0 z)) t)

rewrite96.0ms

Algorithm
rewrite-expression-head
Rules
56×*-un-lft-identity
51×add-sqr-sqrt add-cube-cbrt
45×times-frac
41×associate-+r+
39×prod-diff
13×fma-def
add-log-exp
div-inv
add-exp-log add-cbrt-cube
associate-/r* associate-/l*
pow1 expm1-log1p-u frac-add sum-log log1p-expm1-u distribute-lft-out
cbrt-undiv +-commutative associate-+r- sub-neg flip3-- frac-2neg flip3-+ diff-log div-exp clear-num flip-- flip-+ distribute-lft-out--
Counts
2 → 102
Calls
2 calls:
80.0ms
(+ (/ (fma 2.0 1.0 (/ 2.0 z)) t) (- (/ x y) 2.0))
6.0ms
(/ (fma 2.0 1.0 (/ 2.0 z)) t)

series149.0ms

Counts
2 → 6
Calls
2 calls:
90.0ms
(+ (/ (fma 2.0 1.0 (/ 2.0 z)) t) (- (/ x y) 2.0))
59.0ms
(/ (fma 2.0 1.0 (/ 2.0 z)) t)

simplify2.7s

Counts
108 → 108
Iterations

Useful iterations: 3 (1.4s)

IterNodesCost
02241965
14971754
211911641
341101515
done50001515

prune433.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 1 expressions with local error:

0.1b
(fma (fma 2.0 1.0 (/ 2.0 z)) (/ 1 t) (- (/ x y) 2.0))

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 (fma 2.0 1.0 (/ 2.0 z)) (/ 1 t) (- (/ x y) 2.0))

series72.0ms

Counts
1 → 3
Calls
1 calls:
71.0ms
(fma (fma 2.0 1.0 (/ 2.0 z)) (/ 1 t) (- (/ x y) 2.0))

simplify2.0s

Counts
13 → 13
Iterations

Useful iterations: done (2.0s)

IterNodesCost
030241
156240
2122191
3383191
41980190
done5002189

prune58.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.0b

localize29.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt (/ (fma 2.0 1.0 (/ 2.0 z)) t)) (cbrt (/ (fma 2.0 1.0 (/ 2.0 z)) t)))
0.6b
(cbrt (/ (fma 2.0 1.0 (/ 2.0 z)) t))
0.6b
(cbrt (/ (fma 2.0 1.0 (/ 2.0 z)) t))
0.6b
(cbrt (/ (fma 2.0 1.0 (/ 2.0 z)) t))

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
103×cbrt-prod
81×add-sqr-sqrt
69×times-frac
57×add-cube-cbrt *-un-lft-identity
16×swap-sqr associate-*r* associate-*l*
11×pow1
pow1/3 unswap-sqr
cbrt-div div-inv
add-exp-log
expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
pow-prod-down pow-sqr pow-prod-up
pow2 frac-times pow-plus associate-*r/ associate-*l/ prod-exp *-commutative cbrt-unprod
Counts
4 → 152
Calls
4 calls:
44.0ms
(* (cbrt (/ (fma 2.0 1.0 (/ 2.0 z)) t)) (cbrt (/ (fma 2.0 1.0 (/ 2.0 z)) t)))
4.0ms
(cbrt (/ (fma 2.0 1.0 (/ 2.0 z)) t))
4.0ms
(cbrt (/ (fma 2.0 1.0 (/ 2.0 z)) t))
4.0ms
(cbrt (/ (fma 2.0 1.0 (/ 2.0 z)) t))

series656.0ms

Counts
4 → 12
Calls
4 calls:
225.0ms
(* (cbrt (/ (fma 2.0 1.0 (/ 2.0 z)) t)) (cbrt (/ (fma 2.0 1.0 (/ 2.0 z)) t)))
147.0ms
(cbrt (/ (fma 2.0 1.0 (/ 2.0 z)) t))
144.0ms
(cbrt (/ (fma 2.0 1.0 (/ 2.0 z)) t))
140.0ms
(cbrt (/ (fma 2.0 1.0 (/ 2.0 z)) t))

simplify2.2s

Counts
164 → 164
Iterations

Useful iterations: done (2.2s)

IterNodesCost
02384017
14843829
213153673
335273289
done50003184

prune954.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0b

localize56.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt t)
0.6b
(cbrt (/ (fma 2.0 1.0 (/ 2.0 z)) (cbrt t)))
0.6b
(cbrt (/ (fma 2.0 1.0 (/ 2.0 z)) t))
0.6b
(cbrt (/ (fma 2.0 1.0 (/ 2.0 z)) t))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
60×cbrt-prod
36×times-frac
32×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1 add-exp-log expm1-log1p-u pow1/3 add-cbrt-cube log1p-expm1-u add-log-exp
cbrt-div div-inv
Counts
4 → 94
Calls
4 calls:
1.0ms
(cbrt t)
4.0ms
(cbrt (/ (fma 2.0 1.0 (/ 2.0 z)) (cbrt t)))
3.0ms
(cbrt (/ (fma 2.0 1.0 (/ 2.0 z)) t))
3.0ms
(cbrt (/ (fma 2.0 1.0 (/ 2.0 z)) t))

series1.1s

Counts
4 → 12
Calls
4 calls:
278.0ms
(cbrt t)
434.0ms
(cbrt (/ (fma 2.0 1.0 (/ 2.0 z)) (cbrt t)))
180.0ms
(cbrt (/ (fma 2.0 1.0 (/ 2.0 z)) t))
177.0ms
(cbrt (/ (fma 2.0 1.0 (/ 2.0 z)) t))

simplify2.9s

Counts
106 → 106
Iterations

Useful iterations: 3 (1.2s)

IterNodesCost
02372032
14771973
212781873
347651740
done50001740

prune843.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0b

regimes336.0ms

Accuracy

0% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 0.1b

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01214
11314
done1314

end0.0ms

sample1.9s

Algorithm
intervals
Results
1.4s10397×body80valid