Details

Time bar (total: 35.0s)

sample60.0ms

Algorithm
intervals
Results
22.0ms280×body80valid

simplify5.3s

Counts
1 → 1
Iterations

Useful iterations: 2 (12.0ms)

IterNodesCost
01011
12111
23710
36010
410510
518010
630410
736010
844810
971310
10124110
11353710
done500010

prune22.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 1.3b

localize33.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) (- z a))
1.3b
(fma (/ (- z t) (- z a)) y x)

rewrite49.0ms

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:
44.0ms
(/ (- z t) (- z a))
1.0ms
(fma (/ (- z t) (- z a)) y x)

series224.0ms

Counts
2 → 6
Calls
2 calls:
81.0ms
(/ (- z t) (- z a))
143.0ms
(fma (/ (- z t) (- z a)) y x)

simplify3.4s

Counts
70 → 70
Iterations

Useful iterations: 3 (1.1s)

IterNodesCost
0113884
1266856
2824810
34498808
done5000808

prune603.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.7b

localize34.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ t (- z a))
0.0b
(- (/ z (- z a)) (/ t (- z a)))
0.0b
(/ z (- z a))
1.3b
(fma (- (/ z (- z a)) (/ t (- z a))) y x)

rewrite375.0ms

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:
22.0ms
(/ t (- z a))
223.0ms
(- (/ z (- z a)) (/ t (- z a)))
24.0ms
(/ z (- z a))
1.0ms
(fma (- (/ z (- z a)) (/ t (- z a))) y x)

series586.0ms

Counts
4 → 12
Calls
4 calls:
58.0ms
(/ t (- z a))
217.0ms
(- (/ z (- z a)) (/ t (- z a)))
96.0ms
(/ z (- z a))
214.0ms
(fma (- (/ z (- z a)) (/ t (- z a))) y x)

simplify3.2s

Counts
593 → 593
Iterations

Useful iterations: 2 (1.1s)

IterNodesCost
056928402
1127925566
2379120202
done500020202

prune4.3s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.7b

localize33.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ t (- z a))
0.0b
(- (/ z (- z a)) (/ t (- z a)))
0.0b
(/ z (- z a))
2.1b
(* (- (/ z (- z a)) (/ t (- z a))) y)

rewrite924.0ms

Algorithm
rewrite-expression-head
Rules
743×*-un-lft-identity
725×add-sqr-sqrt
711×times-frac
441×prod-diff
417×add-cube-cbrt
161×distribute-lft-out--
149×difference-of-squares
98×associate-/r/
51×flip3-- flip--
49×div-inv
21×fma-neg
18×associate-*l*
10×add-exp-log associate-/r* add-cbrt-cube
pow1 distribute-rgt-out-- associate-/l* add-log-exp
expm1-log1p-u associate-*l/ log1p-expm1-u
associate-*r*
cbrt-undiv frac-2neg div-exp clear-num frac-sub sub-div
sub-neg diff-log pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 610
Calls
4 calls:
25.0ms
(/ t (- z a))
201.0ms
(- (/ z (- z a)) (/ t (- z a)))
22.0ms
(/ z (- z a))
542.0ms
(* (- (/ z (- z a)) (/ t (- z a))) y)

series761.0ms

Counts
4 → 12
Calls
4 calls:
58.0ms
(/ t (- z a))
204.0ms
(- (/ z (- z a)) (/ t (- z a)))
84.0ms
(/ z (- z a))
414.0ms
(* (- (/ z (- z a)) (/ t (- z a))) y)

simplify3.4s

Counts
622 → 622
Iterations

Useful iterations: 2 (1.1s)

IterNodesCost
059028828
1133025989
2429720599
done500020599

prune4.5s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize33.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z a) (- z t))
0.3b
(/ 1 (/ (- z a) (- z t)))
1.3b
(fma (/ 1 (/ (- z a) (- z t))) y x)

rewrite137.0ms

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:
50.0ms
(/ (- z a) (- z t))
60.0ms
(/ 1 (/ (- z a) (- z t)))
1.0ms
(fma (/ 1 (/ (- z a) (- z t))) y x)

series449.0ms

Counts
3 → 9
Calls
3 calls:
85.0ms
(/ (- z a) (- z t))
186.0ms
(/ 1 (/ (- z a) (- z t)))
179.0ms
(fma (/ 1 (/ (- z a) (- z t))) y x)

simplify3.1s

Counts
223 → 223
Iterations

Useful iterations: done (3.1s)

IterNodesCost
02693744
17073232
248183114
done50003104

prune1.0s

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0b

regimes630.0ms

Accuracy

59.3% (0.5b remaining)

Error of 0.5b against oracle of 0.0b and baseline of 1.2b

bsearch114.0ms

Steps
ItersRangePoint
7
6.391304074233313e+16
2.2957029167283863e+18
6.464730504116222e+16
7
-4.0040255522943795e-102
-3.096612874320719e-104
-2.1549913783258382e-103

simplify4.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
01941
12531
done2531

end0.0ms

sample1.8s

Algorithm
intervals
Results
651.0ms8692×body80valid
1.0msbody1280valid