Details

Time bar (total: 9.4s)

sample27.0ms

Algorithm
intervals
Results
12.0ms322×body80valid

simplify978.0ms

Counts
1 → 1
Iterations

Useful iterations: 5 (54.0ms)

IterNodesCost
01417
12517
24916
38916
416316
525715
642015
7102915
done500015

prune9.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 9.6b

localize11.0ms

Local error

Found 2 expressions with local error:

0.1b
(fma (/ (fma z (- 1.0 t) 1) z) (/ 2.0 t) (/ x y))
9.0b
(/ (fma z (- 1.0 t) 1) z)

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
times-frac
add-exp-log add-cbrt-cube
associate-/r* associate-/l*
pow1 expm1-log1p-u log1p-expm1-u add-log-exp
cbrt-undiv frac-2neg div-exp clear-num fma-udef div-inv
Counts
2 → 39
Calls
2 calls:
0.0ms
(fma (/ (fma z (- 1.0 t) 1) z) (/ 2.0 t) (/ x y))
2.0ms
(/ (fma z (- 1.0 t) 1) z)

series137.0ms

Counts
2 → 6
Calls
2 calls:
97.0ms
(fma (/ (fma z (- 1.0 t) 1) z) (/ 2.0 t) (/ x y))
39.0ms
(/ (fma z (- 1.0 t) 1) z)

simplify2.0s

Counts
45 → 45
Iterations

Useful iterations: 4 (610.0ms)

IterNodesCost
080669
1142659
2351590
31092590
43863589
done5001589

prune160.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.0b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ (/ 1 z) 1.0)
0.1b
(fma (- (+ (/ 1 z) 1.0) t) (/ 2.0 t) (/ x y))

rewrite12.0ms

Algorithm
rewrite-expression-head
Rules
13×fma-def
12×*-un-lft-identity
add-sqr-sqrt add-cube-cbrt times-frac
add-log-exp
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u div-inv distribute-lft-out
+-commutative flip3-+ sum-log flip-+ fma-udef
Counts
2 → 38
Calls
2 calls:
10.0ms
(+ (/ 1 z) 1.0)
1.0ms
(fma (- (+ (/ 1 z) 1.0) t) (/ 2.0 t) (/ x y))

series76.0ms

Counts
2 → 6
Calls
2 calls:
14.0ms
(+ (/ 1 z) 1.0)
62.0ms
(fma (- (+ (/ 1 z) 1.0) t) (/ 2.0 t) (/ x y))

simplify1.5s

Counts
44 → 44
Iterations

Useful iterations: 4 (448.0ms)

IterNodesCost
054376
1133371
2306322
3904322
43363318
done5000318

prune149.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

localize10.0ms

Local error

Found 2 expressions with local error:

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

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
23×*-un-lft-identity
20×times-frac
17×add-sqr-sqrt add-cube-cbrt
13×fma-def
add-exp-log add-cbrt-cube add-log-exp
associate-/r* associate-/l*
pow1 expm1-log1p-u log1p-expm1-u div-inv distribute-lft-out
cbrt-undiv +-commutative frac-2neg flip3-+ div-exp frac-add clear-num sum-log flip-+
Counts
2 → 58
Calls
2 calls:
17.0ms
(+ (/ (fma (- 1.0 t) 2.0 (/ 2.0 z)) t) (/ x y))
3.0ms
(/ (fma (- 1.0 t) 2.0 (/ 2.0 z)) t)

series120.0ms

Counts
2 → 6
Calls
2 calls:
73.0ms
(+ (/ (fma (- 1.0 t) 2.0 (/ 2.0 z)) t) (/ x y))
47.0ms
(/ (fma (- 1.0 t) 2.0 (/ 2.0 z)) t)

simplify994.0ms

Counts
64 → 64
Iterations

Useful iterations: 3 (213.0ms)

IterNodesCost
094919
1211876
2528815
31584808
done5000808

prune204.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (+ (- (/ 2.0 t) 2.0) (/ (/ 2.0 t) z)) (/ x y))
0.0b
(+ (- (/ 2.0 t) 2.0) (/ (/ 2.0 t) z))
0.2b
(/ (/ 2.0 t) z)

rewrite480.0ms

Algorithm
rewrite-expression-head
Rules
103×times-frac
102×*-un-lft-identity
86×add-sqr-sqrt
81×add-cube-cbrt
42×associate-+l+
39×prod-diff
17×add-log-exp
13×associate-/l*
11×fma-def
distribute-lft-out
add-exp-log frac-add add-cbrt-cube div-inv
sum-log
distribute-lft-out--
pow1 cbrt-undiv expm1-log1p-u associate-+l- flip3-+ div-exp associate-/r* flip-+ log1p-expm1-u
+-commutative flip3-- diff-log flip-- difference-of-squares
sub-neg frac-2neg clear-num associate-/l/
Counts
3 → 167
Calls
3 calls:
386.0ms
(+ (+ (- (/ 2.0 t) 2.0) (/ (/ 2.0 t) z)) (/ x y))
79.0ms
(+ (- (/ 2.0 t) 2.0) (/ (/ 2.0 t) z))
6.0ms
(/ (/ 2.0 t) z)

series118.0ms

Counts
3 → 9
Calls
3 calls:
60.0ms
(+ (+ (- (/ 2.0 t) 2.0) (/ (/ 2.0 t) z)) (/ x y))
34.0ms
(+ (- (/ 2.0 t) 2.0) (/ (/ 2.0 t) z))
24.0ms
(/ (/ 2.0 t) z)

simplify1.0s

Counts
176 → 176
Iterations

Useful iterations: 2 (296.0ms)

IterNodesCost
02622718
16382421
224042162
done50002162

prune545.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0b

regimes124.0ms

Accuracy

0% (0.1b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01115
11315
done1315

end0.0ms

sample694.0ms

Algorithm
intervals
Results
414.0ms10529×body80valid