Details

Time bar (total: 14.6s)

sample21.0ms

Algorithm
intervals
Results
8.0ms277×body80valid

simplify858.0ms

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: 1.1b

localize12.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) (- z a))
1.0b
(fma (/ (- z t) (- z a)) y x)

rewrite16.0ms

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:
13.0ms
(/ (- z t) (- z a))
0.0ms
(fma (/ (- z t) (- z a)) y x)

series118.0ms

Counts
2 → 6
Calls
2 calls:
42.0ms
(/ (- z t) (- z a))
75.0ms
(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

prune205.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.3b

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ z (- z a))
0.0b
(/ t (- z a))
0.0b
(- (/ z (- z a)) (/ t (- z a)))
1.0b
(fma (- (/ z (- z a)) (/ t (- z a))) y x)

rewrite143.0ms

Algorithm
rewrite-expression-head
Rules
713×*-un-lft-identity
703×add-sqr-sqrt
693×times-frac
441×prod-diff
413×add-cube-cbrt
149×distribute-lft-out--
143×difference-of-squares
94×associate-/r/
48×flip3-- flip--
47×div-inv
21×fma-neg
10×associate-/r*
add-exp-log add-cbrt-cube
associate-/l* add-log-exp
pow1 expm1-log1p-u log1p-expm1-u
distribute-rgt-out--
cbrt-undiv frac-2neg div-exp clear-num
sub-neg diff-log frac-sub fma-udef sub-div
Counts
4 → 581
Calls
4 calls:
5.0ms
(/ z (- z a))
6.0ms
(/ t (- z a))
76.0ms
(- (/ z (- z a)) (/ t (- z a)))
0.0ms
(fma (- (/ z (- z a)) (/ t (- z a))) y x)

series299.0ms

Counts
4 → 12
Calls
4 calls:
45.0ms
(/ z (- z a))
29.0ms
(/ t (- z a))
110.0ms
(- (/ z (- z a)) (/ t (- z a)))
114.0ms
(fma (- (/ z (- z a)) (/ t (- z a))) y x)

simplify1.1s

Counts
593 → 593
Iterations

Useful iterations: done (1.1s)

IterNodesCost
056928402
1118425503
2277619551
done500119446

prune1.4s

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.3b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ z (- z a))
0.0b
(- (/ z (- z a)) (/ 1 (/ (- z a) t)))
0.6b
(/ 1 (/ (- z a) t))
1.0b
(fma (- (/ z (- z a)) (/ 1 (/ (- z a) t))) y x)

rewrite374.0ms

Algorithm
rewrite-expression-head
Rules
3240×times-frac
2445×add-sqr-sqrt
2428×*-un-lft-identity
1624×add-cube-cbrt
1302×prod-diff
404×difference-of-squares
399×distribute-lft-out--
154×div-inv
150×associate-/r/
65×flip3-- flip--
24×associate-/r*
21×fma-neg
17×add-exp-log
11×add-cbrt-cube
div-exp
associate-/l* add-log-exp
pow1
cbrt-undiv expm1-log1p-u log1p-expm1-u
rec-exp frac-2neg 1-exp clear-num
sub-neg pow-flip diff-log frac-sub fma-udef inv-pow
Counts
4 → 1503
Calls
4 calls:
6.0ms
(/ z (- z a))
137.0ms
(- (/ z (- z a)) (/ 1 (/ (- z a) t)))
14.0ms
(/ 1 (/ (- z a) t))
1.0ms
(fma (- (/ z (- z a)) (/ 1 (/ (- z a) t))) y x)

series393.0ms

Counts
4 → 12
Calls
4 calls:
53.0ms
(/ z (- z a))
129.0ms
(- (/ z (- z a)) (/ 1 (/ (- z a) t)))
78.0ms
(/ 1 (/ (- z a) t))
133.0ms
(fma (- (/ z (- z a)) (/ 1 (/ (- z a) t))) y x)

simplify2.5s

Counts
1515 → 1515
Iterations

Useful iterations: 2 (1.5s)

IterNodesCost
01428103561
1302881072
2498361758
done500061758

prune1.8s

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.3b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (- z a))
0.0b
(- (/ z (- z a)) (* (/ 1 (- z a)) t))
0.3b
(* (/ 1 (- z a)) t)
1.0b
(fma (- (/ z (- z a)) (* (/ 1 (- z a)) t)) y x)

rewrite75.0ms

Algorithm
rewrite-expression-head
Rules
75×add-sqr-sqrt
69×*-un-lft-identity
62×times-frac
42×add-cube-cbrt
21×fma-neg associate-*l* prod-diff
17×add-exp-log
13×distribute-lft-out-- difference-of-squares
11×add-cbrt-cube
associate-/r/
pow1
add-log-exp
flip3-- associate-/r* flip--
expm1-log1p-u div-exp prod-exp log1p-expm1-u div-inv
associate-*r* associate-*l/ associate-/l* unswap-sqr
cbrt-undiv rec-exp 1-exp cbrt-unprod
sub-neg pow-flip frac-2neg diff-log pow-prod-down clear-num *-commutative frac-sub fma-udef inv-pow sub-div
Counts
4 → 156
Calls
4 calls:
6.0ms
(/ 1 (- z a))
40.0ms
(- (/ z (- z a)) (* (/ 1 (- z a)) t))
22.0ms
(* (/ 1 (- z a)) t)
0.0ms
(fma (- (/ z (- z a)) (* (/ 1 (- z a)) t)) y x)

series348.0ms

Counts
4 → 12
Calls
4 calls:
37.0ms
(/ 1 (- z a))
122.0ms
(- (/ z (- z a)) (* (/ 1 (- z a)) t))
68.0ms
(* (/ 1 (- z a)) t)
120.0ms
(fma (- (/ z (- z a)) (* (/ 1 (- z a)) t)) y x)

simplify1.7s

Counts
168 → 168
Iterations

Useful iterations: done (1.7s)

IterNodesCost
02102375
14591951
210961831
333261675
done50001653

prune511.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.3b

regimes172.0ms

Accuracy

0% (0.6b remaining)

Error of 1.4b against oracle of 0.8b and baseline of 1.4b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01216
11416
done1416

end0.0ms

sample573.0ms

Algorithm
intervals
Results
294.0ms8737×body80valid
0.0msbody320valid