Details

Time bar (total: 12.2s)

sample24.0ms

Algorithm
intervals
Results
11.0ms283×body80valid

simplify849.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (5.0ms)

IterNodesCost
01011
12111
23610
35810
49510
513810
619010
721510
824510
927910
1036510
1147810
1255010
1364410
1467210
done67210

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 1.5b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) (- z a))
1.5b
(fma (/ (- z t) (- z a)) y x)

rewrite18.0ms

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-exp-log add-cbrt-cube
pow1 expm1-log1p-u flip3-- associate-/r/ flip-- log1p-expm1-u associate-/l/ add-log-exp
cbrt-undiv frac-2neg div-sub div-exp clear-num fma-udef div-inv
Counts
2 → 64
Calls
2 calls:
15.0ms
(/ (- z t) (- z a))
0.0ms
(fma (/ (- z t) (- z a)) y x)

series123.0ms

Counts
2 → 6
Calls
2 calls:
47.0ms
(/ (- z t) (- z a))
76.0ms
(fma (/ (- z t) (- z a)) y x)

simplify2.0s

Counts
70 → 70
Iterations

Useful iterations: 4 (1.1s)

IterNodesCost
0113884
1261856
2594808
31471808
44064806
done5001806

prune212.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.5b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- z a))
0.2b
(* (- z t) (/ 1 (- z a)))
1.5b
(fma (* (- z t) (/ 1 (- z a))) y x)

rewrite38.0ms

Algorithm
rewrite-expression-head
Rules
46×add-sqr-sqrt
40×*-un-lft-identity
32×times-frac
23×add-cube-cbrt
21×associate-*r*
16×add-exp-log
10×add-cbrt-cube
distribute-lft-out-- difference-of-squares
pow1
associate-*l* associate-/r*
flip3-- div-exp prod-exp associate-/r/ flip--
expm1-log1p-u log1p-expm1-u associate-/l* add-log-exp unswap-sqr
cbrt-undiv frac-times rec-exp 1-exp associate-*l/ cbrt-unprod div-inv
pow-flip frac-2neg associate-*r/ pow-prod-down clear-num un-div-inv *-commutative fma-udef inv-pow
Counts
3 → 105
Calls
3 calls:
9.0ms
(/ 1 (- z a))
25.0ms
(* (- z t) (/ 1 (- z a)))
0.0ms
(fma (* (- z t) (/ 1 (- z a))) y x)

series166.0ms

Counts
3 → 9
Calls
3 calls:
36.0ms
(/ 1 (- z a))
52.0ms
(* (- z t) (/ 1 (- z a)))
78.0ms
(fma (* (- z t) (/ 1 (- z a))) y x)

simplify2.9s

Counts
114 → 114
Iterations

Useful iterations: done (2.9s)

IterNodesCost
01491251
13381018
2908918
32936918
done5000917

prune270.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.5b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) (- z a))
1.5b
(fma (pow (/ (- z t) (- z a)) 1) y x)

rewrite15.0ms

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-exp-log add-cbrt-cube
pow1 expm1-log1p-u flip3-- associate-/r/ flip-- log1p-expm1-u associate-/l/ add-log-exp
cbrt-undiv frac-2neg div-sub div-exp clear-num fma-udef div-inv
Counts
2 → 64
Calls
2 calls:
12.0ms
(/ (- z t) (- z a))
0.0ms
(fma (pow (/ (- z t) (- z a)) 1) y x)

series128.0ms

Counts
2 → 6
Calls
2 calls:
49.0ms
(/ (- z t) (- z a))
79.0ms
(fma (pow (/ (- z t) (- z a)) 1) y x)

simplify1.1s

Counts
70 → 70
Iterations

Useful iterations: done (1.1s)

IterNodesCost
0114910
1264856
2631808
31690808
done5000806

prune207.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 0.5b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z a) (- z t))
0.4b
(/ 1 (/ (- z a) (- z t)))
1.5b
(fma (pow (/ 1 (/ (- z a) (- z t))) 1) y x)

rewrite44.0ms

Algorithm
rewrite-expression-head
Rules
218×times-frac
195×add-sqr-sqrt *-un-lft-identity
91×add-cube-cbrt
52×distribute-lft-out-- difference-of-squares
36×associate-/r*
16×add-exp-log
11×associate-/r/
10×add-cbrt-cube
div-exp associate-/l*
flip3-- flip-- div-inv
pow1 cbrt-undiv
expm1-log1p-u log1p-expm1-u add-log-exp
rec-exp frac-2neg 1-exp clear-num associate-/l/
pow-flip div-sub fma-udef inv-pow
Counts
3 → 214
Calls
3 calls:
12.0ms
(/ (- z a) (- z t))
19.0ms
(/ 1 (/ (- z a) (- z t)))
0.0ms
(fma (pow (/ 1 (/ (- z a) (- z t))) 1) y x)

series248.0ms

Counts
3 → 9
Calls
3 calls:
46.0ms
(/ (- z a) (- z t))
101.0ms
(/ 1 (/ (- z a) (- z t)))
101.0ms
(fma (pow (/ 1 (/ (- z a) (- z t))) 1) y x)

simplify2.6s

Counts
223 → 223
Iterations

Useful iterations: done (2.6s)

IterNodesCost
02703770
16303232
214282913
341282837
done50002834

prune454.0ms

Pruning

9 alts after pruning (6 fresh and 3 done)

Merged error: 0.5b

regimes253.0ms

Accuracy

0% (0.6b remaining)

Error of 1.4b against oracle of 0.7b and baseline of 1.4b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
01112
11310
done1310

end0.0ms

sample540.0ms

Algorithm
intervals
Results
275.0ms8765×body80valid
0.0msbody1280valid
0.0msbody640valid
0.0msbody320valid