Details

Time bar (total: 8.8s)

sample21.0ms

Algorithm
intervals
Results
8.0ms275×body80valid

simplify1.4s

Counts
1 → 1
Iterations

Useful iterations: 3 (9.0ms)

IterNodesCost
01011
11711
23211
36010
410210
515510
621310
726910
832010
941210
1065810
1186910
12100810
13102010
done102010

prune7.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 1 expressions with local error:

3.7b
(fma (/ y (- a t)) (- z t) x)

rewrite1.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt expm1-log1p-u add-cube-cbrt *-un-lft-identity add-cbrt-cube fma-udef log1p-expm1-u add-log-exp
Counts
1 → 10
Calls
1 calls:
0.0ms
(fma (/ y (- a t)) (- z t) x)

series190.0ms

Counts
1 → 3
Calls
1 calls:
190.0ms
(fma (/ y (- a t)) (- z t) x)

simplify2.0s

Counts
13 → 13
Iterations

Useful iterations: 3 (21.0ms)

IterNodesCost
023158
136158
274138
3195136
4815136
54804136
done5000136

prune48.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize13.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (fma (/ y (- a t)) (- z t) x))
3.7b
(fma (/ y (- a t)) (- z t) x)
3.7b
(fma (/ y (- a t)) (- z t) x)
3.7b
(fma (/ y (- a t)) (- z t) x)

rewrite2.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
cbrt-prod fma-udef
pow1/3
Counts
4 → 43
Calls
4 calls:
1.0ms
(cbrt (fma (/ y (- a t)) (- z t) x))
0.0ms
(fma (/ y (- a t)) (- z t) x)
0.0ms
(fma (/ y (- a t)) (- z t) x)
0.0ms
(fma (/ y (- a t)) (- z t) x)

series1.2s

Counts
4 → 12
Calls
4 calls:
643.0ms
(cbrt (fma (/ y (- a t)) (- z t) x))
197.0ms
(fma (/ y (- a t)) (- z t) x)
195.0ms
(fma (/ y (- a t)) (- z t) x)
189.0ms
(fma (/ y (- a t)) (- z t) x)

simplify622.0ms

Counts
55 → 55
Iterations

Useful iterations: 3 (159.0ms)

IterNodesCost
076757
1158750
2425664
31647651
done5001651

prune217.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(* y (- z t))
11.4b
(/ (* y (- z t)) (- a t))

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
26×add-sqr-sqrt
24×*-un-lft-identity
18×add-cube-cbrt prod-diff
11×distribute-rgt-in distribute-lft-in
add-exp-log add-cbrt-cube
times-frac associate-*r* associate-/r*
pow1 associate-*r/
flip3-- associate-*l* flip-- distribute-lft-out-- difference-of-squares
cbrt-undiv expm1-log1p-u sub-neg div-exp prod-exp associate-/r/ cbrt-unprod log1p-expm1-u associate-/l/ add-log-exp
frac-2neg pow-prod-down clear-num *-commutative div-inv associate-/l* unswap-sqr
Counts
2 → 77
Calls
2 calls:
12.0ms
(* y (- z t))
14.0ms
(/ (* y (- z t)) (- a t))

series110.0ms

Counts
2 → 6
Calls
2 calls:
37.0ms
(* y (- z t))
73.0ms
(/ (* y (- z t)) (- a t))

simplify953.0ms

Counts
83 → 83
Iterations

Useful iterations: 2 (121.0ms)

IterNodesCost
01571123
1354936
21539754
done5000754

prune168.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) (- a t))
1.6b
(* y (/ (- z t) (- a t)))

rewrite44.0ms

Algorithm
rewrite-expression-head
Rules
75×add-sqr-sqrt
70×*-un-lft-identity
51×times-frac
31×associate-*r*
26×add-cube-cbrt
22×distribute-lft-out-- difference-of-squares
add-exp-log add-cbrt-cube
associate-/r* associate-/l*
pow1 associate-/r/
flip3-- associate-*l* flip--
cbrt-undiv expm1-log1p-u div-exp prod-exp cbrt-unprod log1p-expm1-u div-inv associate-/l/ add-log-exp unswap-sqr
frac-2neg div-sub associate-*r/ pow-prod-down clear-num *-commutative
Counts
2 → 106
Calls
2 calls:
12.0ms
(/ (- z t) (- a t))
27.0ms
(* y (/ (- z t) (- a t)))

series119.0ms

Counts
2 → 6
Calls
2 calls:
49.0ms
(/ (- z t) (- a t))
70.0ms
(* y (/ (- z t) (- a t)))

simplify562.0ms

Counts
112 → 112
Iterations

Useful iterations: 2 (114.0ms)

IterNodesCost
01421355
13591282
213211200
done50011200

prune265.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0b

regimes154.0ms

Accuracy

0% (1.6b remaining)

Error of 1.6b against oracle of 0.0b and baseline of 1.6b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01011
11211
done1211

end0.0ms

sample540.0ms

Algorithm
intervals
Results
267.0ms8721×body80valid
0.0msbody2560valid