Details

Time bar (total: 15.7s)

sample47.0ms

Algorithm
intervals
Results
22.0ms276×body80valid

simplify1.7s

Counts
1 → 1
Iterations

Useful iterations: 3 (21.0ms)

IterNodesCost
01011
11711
23211
36010
411110
515610
620610
725110
830110
938610
1048410
1155210
1261610
1364410
done64410

prune12.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.1b

localize20.0ms

Local error

Found 2 expressions with local error:

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

rewrite21.0ms

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:
19.0ms
(/ y (- a t))
1.0ms
(fma (/ y (- a t)) (- z t) x)

series396.0ms

Counts
2 → 6
Calls
2 calls:
56.0ms
(/ y (- a t))
340.0ms
(fma (/ y (- a t)) (- z t) x)

simplify2.1s

Counts
55 → 55
Iterations

Useful iterations: 4 (832.0ms)

IterNodesCost
092550
1167533
2348493
3761491
42276490
done5000490

prune246.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.0b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (* (/ y (- a t)) (- z t)) x)
0.0b
(/ y (- a t))
12.4b
(* (/ y (- a t)) (- z t))

rewrite103.0ms

Algorithm
rewrite-expression-head
Rules
68×add-sqr-sqrt
63×*-un-lft-identity
47×add-cube-cbrt
36×prod-diff
31×times-frac
22×distribute-rgt-in associate-+l+ distribute-lft-in
21×associate-*l*
10×add-exp-log add-cbrt-cube
distribute-lft-out-- difference-of-squares
pow1 associate-*r* associate-/r* add-log-exp
sub-neg flip3-- associate-/r/ flip--
expm1-log1p-u log1p-expm1-u associate-/l*
cbrt-undiv frac-times associate-*r/ div-exp prod-exp cbrt-unprod div-inv unswap-sqr
+-commutative fma-def frac-2neg flip3-+ pow-prod-down associate-*l/ clear-num sum-log *-commutative flip-+
Counts
3 → 145
Calls
3 calls:
29.0ms
(+ (* (/ y (- a t)) (- z t)) x)
11.0ms
(/ y (- a t))
56.0ms
(* (/ y (- a t)) (- z t))

series511.0ms

Counts
3 → 9
Calls
3 calls:
288.0ms
(+ (* (/ y (- a t)) (- z t)) x)
38.0ms
(/ y (- a t))
185.0ms
(* (/ y (- a t)) (- z t))

simplify1.4s

Counts
154 → 154
Iterations

Useful iterations: done (1.4s)

IterNodesCost
02262345
15491993
215241789
done50001755

prune615.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

localize15.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (* y (/ (- z t) (- a t))) x)
0.0b
(/ (- z t) (- a t))
1.5b
(* y (/ (- z t) (- a t)))

rewrite131.0ms

Algorithm
rewrite-expression-head
Rules
76×add-sqr-sqrt
71×*-un-lft-identity
51×times-frac
31×associate-*r*
27×add-cube-cbrt
22×distribute-lft-out-- difference-of-squares
10×add-exp-log add-cbrt-cube
pow1 associate-/r* associate-/l* add-log-exp
associate-/r/
expm1-log1p-u flip3-- associate-*l* flip-- log1p-expm1-u
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv associate-/l/ unswap-sqr
+-commutative fma-def frac-2neg flip3-+ div-sub associate-*r/ pow-prod-down clear-num sum-log *-commutative flip-+
Counts
3 → 120
Calls
3 calls:
26.0ms
(+ (* y (/ (- z t) (- a t))) x)
34.0ms
(/ (- z t) (- a t))
66.0ms
(* y (/ (- z t) (- a t)))

series391.0ms

Counts
3 → 9
Calls
3 calls:
169.0ms
(+ (* y (/ (- z t) (- a t))) x)
99.0ms
(/ (- z t) (- a t))
123.0ms
(* y (/ (- z t) (- a t)))

simplify2.6s

Counts
129 → 129
Iterations

Useful iterations: 3 (1.2s)

IterNodesCost
01681615
14311506
212011422
337571414
done50021414

prune582.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0b

localize25.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* y (* (- z t) (/ 1 (- a t)))) x)
0.0b
(/ 1 (- a t))
0.2b
(* (- z t) (/ 1 (- a t)))
1.5b
(* y (* (- z t) (/ 1 (- a t))))

rewrite320.0ms

Algorithm
rewrite-expression-head
Rules
48×add-sqr-sqrt
42×*-un-lft-identity
32×add-exp-log times-frac
25×add-cube-cbrt
22×associate-*r*
20×add-cbrt-cube
13×prod-exp
12×pow1
associate-*r/ associate-*l* distribute-lft-out-- difference-of-squares
cbrt-unprod
flip3-- div-exp flip-- add-log-exp
associate-/r*
expm1-log1p-u frac-times pow-prod-down associate-*l/ associate-/r/ log1p-expm1-u
cbrt-undiv rec-exp 1-exp associate-/l* unswap-sqr
un-div-inv *-commutative div-inv
+-commutative pow-flip fma-def frac-2neg flip3-+ clear-num sum-log flip-+ inv-pow
Counts
4 → 139
Calls
4 calls:
103.0ms
(+ (* y (* (- z t) (/ 1 (- a t)))) x)
26.0ms
(/ 1 (- a t))
63.0ms
(* (- z t) (/ 1 (- a t)))
117.0ms
(* y (* (- z t) (/ 1 (- a t))))

series455.0ms

Counts
4 → 12
Calls
4 calls:
163.0ms
(+ (* y (* (- z t) (/ 1 (- a t)))) x)
78.0ms
(/ 1 (- a t))
71.0ms
(* (- z t) (/ 1 (- a t)))
143.0ms
(* y (* (- z t) (/ 1 (- a t))))

simplify1.7s

Counts
151 → 151
Iterations

Useful iterations: done (1.7s)

IterNodesCost
01901812
14541456
214021294
done50011286

prune436.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0b

regimes280.0ms

Accuracy

74.5% (0.3b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 1.3b

bsearch111.0ms

Steps
ItersRangePoint
8
7.53926619058398e-57
3.377665568612396e-52
3.2057391781882634e-56
8
-6.778815163455355e-35
-5.900459728831861e-38
-4.637379201468954e-36

simplify4.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02143
13133
done3133

end0.0ms

sample1.5s

Algorithm
intervals
Results
591.0ms8723×body80valid
0.0msbody640valid
0.0msbody2560valid
0.0msbody1280valid
0.0msbody160valid