Details

Time bar (total: 14.7s)

sample58.0ms

Algorithm
intervals
Results
28.0ms279×body80valid

simplify4.0s

Counts
1 → 1
Iterations

Useful iterations: 3 (23.0ms)

IterNodesCost
01011
11811
23311
36110
411610
519010
628010
737710
867110
9125710
10367910
done500010

prune8.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize14.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ y (- z a))
2.3b
(fma (/ y (- z a)) (- z t) x)

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt *-un-lft-identity
15×times-frac
12×add-cube-cbrt
associate-/r*
add-exp-log add-cbrt-cube distribute-lft-out-- difference-of-squares
associate-/l*
pow1 expm1-log1p-u associate-/r/ log1p-expm1-u add-log-exp
cbrt-undiv flip3-- frac-2neg div-exp clear-num flip-- fma-udef div-inv
Counts
2 → 49
Calls
2 calls:
25.0ms
(/ y (- z a))
1.0ms
(fma (/ y (- z a)) (- z t) x)

series205.0ms

Counts
2 → 6
Calls
2 calls:
43.0ms
(/ y (- z a))
162.0ms
(fma (/ y (- z a)) (- z t) x)

simplify1.1s

Counts
55 → 55
Iterations

Useful iterations: 2 (136.0ms)

IterNodesCost
092552
1177535
2458495
31646495
done5000495

prune232.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize20.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- z a))
0.2b
(* y (/ 1 (- z a)))
2.3b
(fma (* y (/ 1 (- z a))) (- z t) x)

rewrite80.0ms

Algorithm
rewrite-expression-head
Rules
44×add-sqr-sqrt
38×*-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-/r*
div-exp prod-exp associate-/r/
expm1-log1p-u associate-*l* log1p-expm1-u associate-/l* add-log-exp unswap-sqr
cbrt-undiv rec-exp flip3-- 1-exp flip-- 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 → 99
Calls
3 calls:
20.0ms
(/ 1 (- z a))
51.0ms
(* y (/ 1 (- z a)))
1.0ms
(fma (* y (/ 1 (- z a))) (- z t) x)

series317.0ms

Counts
3 → 9
Calls
3 calls:
59.0ms
(/ 1 (- z a))
72.0ms
(* y (/ 1 (- z a)))
186.0ms
(fma (* y (/ 1 (- z a))) (- z t) x)

simplify869.0ms

Counts
108 → 108
Iterations

Useful iterations: done (865.0ms)

IterNodesCost
01321057
1310916
21129757
done5001755

prune364.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

localize37.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- z a))
0.5b
(cbrt (- z a))
0.5b
(cbrt (- z a))
2.3b
(fma (* (/ y (* (cbrt (- z a)) (cbrt (- z a)))) (/ (cbrt 1) (cbrt (- z a)))) (- z t) x)

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
15×cbrt-prod
13×add-sqr-sqrt *-un-lft-identity
add-cube-cbrt
cbrt-div
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
flip3-- pow1/3 flip-- distribute-lft-out-- difference-of-squares
fma-udef
Counts
4 → 61
Calls
4 calls:
7.0ms
(cbrt (- z a))
8.0ms
(cbrt (- z a))
8.0ms
(cbrt (- z a))
1.0ms
(fma (* (/ y (* (cbrt (- z a)) (cbrt (- z a)))) (/ (cbrt 1) (cbrt (- z a)))) (- z t) x)

series790.0ms

Counts
4 → 12
Calls
4 calls:
237.0ms
(cbrt (- z a))
213.0ms
(cbrt (- z a))
231.0ms
(cbrt (- z a))
108.0ms
(fma (* (/ y (* (cbrt (- z a)) (cbrt (- z a)))) (/ (cbrt 1) (cbrt (- z a)))) (- z t) x)

simplify1.8s

Counts
73 → 73
Iterations

Useful iterations: done (1.8s)

IterNodesCost
094930
1196899
2523807
32217650
done5001614

prune430.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0.0b

localize19.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (/ (* y (- z t)) (- z a)))
0.0b
(* y (- z t))
9.2b
(/ (* y (- z t)) (- z a))

rewrite112.0ms

Algorithm
rewrite-expression-head
Rules
28×add-sqr-sqrt *-un-lft-identity
20×add-cube-cbrt
18×prod-diff
11×distribute-rgt-in distribute-lft-in
10×add-exp-log add-cbrt-cube
pow1 times-frac associate-*r* associate-/r* add-log-exp
associate-*r/
expm1-log1p-u flip3-- fma-def associate-*l* flip-- log1p-expm1-u distribute-lft-out-- difference-of-squares
cbrt-undiv sub-neg div-exp prod-exp associate-/r/ cbrt-unprod associate-/l/
+-commutative frac-2neg flip3-+ pow-prod-down clear-num sum-log *-commutative flip-+ div-inv distribute-lft-out associate-/l* unswap-sqr
Counts
3 → 94
Calls
3 calls:
22.0ms
(+ x (/ (* y (- z t)) (- z a)))
49.0ms
(* y (- z t))
36.0ms
(/ (* y (- z t)) (- z a))

series304.0ms

Counts
3 → 9
Calls
3 calls:
141.0ms
(+ x (/ (* y (- z t)) (- z a)))
53.0ms
(* y (- z t))
110.0ms
(/ (* y (- z t)) (- z a))

simplify1.4s

Counts
103 → 103
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01821394
14751183
219941009
done5000972

prune387.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

regimes175.0ms

Accuracy

60.6% (0.5b remaining)

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

bsearch136.0ms

Steps
ItersRangePoint
9
5.235214087679141e-108
2.6665792587040808e-102
1.8128397489845453e-103
7
-2.7449063433751756e-58
-2.8196191390646307e-60
-4.2934639627149985e-60

simplify7.0ms

Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
02143
13033
done3033

end0.0ms

sample1.7s

Algorithm
intervals
Results
620.0ms8739×body80valid
0.0msbody1280valid
0.0msbody320valid
0.0msbody160valid