Details

Time bar (total: 26.8s)

sample77.0ms

Algorithm
intervals
Results
31.0ms222×body80valid
5.0ms13×body1280valid
4.0ms15×body640valid
4.0ms16×body320valid
2.0msbody160valid

simplify13.6s

Counts
1 → 1
Iterations

Useful iterations: 4 (83.0ms)

IterNodesCost
01113
12213
25213
310913
420312
545112
674812
7107812
8140012
9165512
10215312
11268312
12384712
done500112

prune13.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 12.4b

localize27.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- t z) (- a t))
3.2b
(fma (/ (- t z) (- a t)) y (+ x y))

rewrite33.0ms

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:
30.0ms
(/ (- t z) (- a t))
1.0ms
(fma (/ (- t z) (- a t)) y (+ x y))

series325.0ms

Counts
2 → 6
Calls
2 calls:
71.0ms
(/ (- t z) (- a t))
254.0ms
(fma (/ (- t z) (- a t)) y (+ x y))

simplify1.5s

Counts
70 → 70
Iterations

Useful iterations: 3 (502.0ms)

IterNodesCost
0113906
1258878
2622826
31643824
done5000824

prune290.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 3.4b

localize23.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- t z) (- a t))
2.2b
(* (/ (- t z) (- a t)) y)
2.2b
(+ (* (/ (- t z) (- a t)) y) (+ x y))

rewrite161.0ms

Algorithm
rewrite-expression-head
Rules
76×add-sqr-sqrt
71×*-un-lft-identity
51×times-frac
31×associate-*l*
27×add-cube-cbrt
22×distribute-lft-out-- difference-of-squares
10×add-exp-log add-cbrt-cube
add-log-exp
pow1 associate-/r* associate-/l*
associate-/r/
expm1-log1p-u flip3-- associate-*r* associate-*l/ sum-log flip-- log1p-expm1-u
cbrt-undiv flip3-+ div-exp frac-add prod-exp cbrt-unprod flip-+ div-inv associate-/l/ unswap-sqr
+-commutative associate-+r+ fma-def frac-2neg div-sub pow-prod-down clear-num *-commutative
Counts
3 → 124
Calls
3 calls:
37.0ms
(/ (- t z) (- a t))
75.0ms
(* (/ (- t z) (- a t)) y)
41.0ms
(+ (* (/ (- t z) (- a t)) y) (+ x y))

series420.0ms

Counts
3 → 9
Calls
3 calls:
60.0ms
(/ (- t z) (- a t))
122.0ms
(* (/ (- t z) (- a t)) y)
238.0ms
(+ (* (/ (- t z) (- a t)) y) (+ x y))

simplify1.3s

Counts
133 → 133
Iterations

Useful iterations: done (1.3s)

IterNodesCost
01951736
15411646
216521560
done50011549

prune463.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 3.4b

localize17.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ y (- a t))
3.5b
(+ (* (- t z) (/ y (- a t))) (+ x y))
9.1b
(* (- t z) (/ y (- a t)))

rewrite148.0ms

Algorithm
rewrite-expression-head
Rules
44×add-sqr-sqrt
39×*-un-lft-identity
31×times-frac
23×add-cube-cbrt
21×associate-*r*
10×add-exp-log frac-add add-cbrt-cube
flip3-- flip-- distribute-lft-out-- add-log-exp difference-of-squares
frac-times flip3-+ associate-*l/ flip-+
pow1 associate-*l* associate-/r*
associate-/r/
expm1-log1p-u associate-*r/ sum-log log1p-expm1-u associate-/l*
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv unswap-sqr
+-commutative associate-+r+ fma-def frac-2neg pow-prod-down clear-num *-commutative
Counts
3 → 113
Calls
3 calls:
17.0ms
(/ y (- a t))
50.0ms
(+ (* (- t z) (/ y (- a t))) (+ x y))
74.0ms
(* (- t z) (/ y (- a t)))

series337.0ms

Counts
3 → 9
Calls
3 calls:
48.0ms
(/ y (- a t))
191.0ms
(+ (* (- t z) (/ y (- a t))) (+ x y))
98.0ms
(* (- t z) (/ y (- a t)))

simplify1.9s

Counts
122 → 122
Iterations

Useful iterations: done (1.9s)

IterNodesCost
02141838
16351681
227501605
done50001603

prune421.0ms

Pruning

13 alts after pruning (11 fresh and 2 done)

Merged error: 3.4b

localize19.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- a t) y)
0.7b
(/ 1 (/ (- a t) y))
4.2b
(+ (* (- t z) (/ 1 (/ (- a t) y))) (+ x y))
9.1b
(* (- t z) (/ 1 (/ (- a t) y)))

rewrite238.0ms

Algorithm
rewrite-expression-head
Rules
240×times-frac
184×add-sqr-sqrt
172×*-un-lft-identity
118×add-cube-cbrt
62×associate-*r*
36×add-exp-log
26×distribute-lft-out-- difference-of-squares
22×associate-/r*
20×add-cbrt-cube
15×div-exp
12×frac-add
10×div-inv
add-log-exp
associate-/l*
pow1 cbrt-undiv flip3-- flip3-+ prod-exp flip-- flip-+
frac-times associate-*l/
associate-*l* unswap-sqr
expm1-log1p-u rec-exp 1-exp log1p-expm1-u
associate-*r/ sum-log un-div-inv cbrt-unprod
frac-2neg clear-num associate-/r/ associate-/l/
+-commutative associate-+r+ pow-flip fma-def div-sub pow-prod-down *-commutative inv-pow
Counts
4 → 269
Calls
4 calls:
26.0ms
(/ (- a t) y)
25.0ms
(/ 1 (/ (- a t) y))
61.0ms
(+ (* (- t z) (/ 1 (/ (- a t) y))) (+ x y))
103.0ms
(* (- t z) (/ 1 (/ (- a t) y)))

series550.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(/ (- a t) y)
86.0ms
(/ 1 (/ (- a t) y))
279.0ms
(+ (* (- t z) (/ 1 (/ (- a t) y))) (+ x y))
144.0ms
(* (- t z) (/ 1 (/ (- a t) y)))

simplify1.9s

Counts
281 → 281
Iterations

Useful iterations: done (1.9s)

IterNodesCost
03804483
110573624
236683295
done50003293

prune749.0ms

Pruning

13 alts after pruning (11 fresh and 2 done)

Merged error: 3.4b

regimes394.0ms

Accuracy

40.9% (5.3b remaining)

Error of 8.3b against oracle of 3.0b and baseline of 11.9b

bsearch113.0ms

Steps
ItersRangePoint
9
2.9580431597534113e+125
8.558334221433006e+131
1.5452334731429416e+127
8
-1.4169071298207385e+152
-4.961101422106634e+147
-8.502960241995041e+149

simplify4.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
01933
12528
done2528

end0.0ms

sample1.8s

Algorithm
intervals
Results
974.0ms7303×body80valid
97.0ms460×body640valid
88.0ms252×body1280valid
58.0ms371×body320valid
30.0ms282×body160valid
7.0ms21×body2560valid