Details

Time bar (total: 19.1s)

sample45.0ms

Algorithm
intervals
Results
13.0ms229×body80valid
3.0ms15×body640valid
2.0ms15×body320valid
2.0msbody1280valid
1.0msbody160valid

simplify2.3s

Counts
1 → 1
Iterations
IterNodes
done5000
63379
5728
4242
3111
252
122
011

prune16.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 11.0b

localize22.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- t z) (- a t))
3.1b
(fma y (/ (- t z) (- a t)) (+ y x))

rewrite42.0ms

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-cbrt-cube add-exp-log
expm1-log1p-u pow1 flip3-- associate-/r/ log1p-expm1-u flip-- add-log-exp associate-/l/
cbrt-undiv clear-num frac-2neg div-sub div-exp fma-udef div-inv
Counts
2 → 64
Calls
2 calls:
38.0ms
(/ (- t z) (- a t))
1.0ms
(fma y (/ (- t z) (- a t)) (+ y x))

series346.0ms

Counts
2 → 6
Calls
2 calls:
92.0ms
(/ (- t z) (- a t))
254.0ms
(fma y (/ (- t z) (- a t)) (+ y x))

simplify2.3s

Counts
70 → 70
Iterations
IterNodes
done5000
34441
2825
1263
0114

prune458.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 2.9b

localize35.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- a t))
0.2b
(* (- t z) (/ 1 (- a t)))
4.1b
(fma y (* (- t z) (/ 1 (- a t))) (+ y x))

rewrite76.0ms

Algorithm
rewrite-expression-head
Rules
46×add-sqr-sqrt
40×*-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* associate-*l*
flip3-- div-exp prod-exp associate-/r/ flip--
expm1-log1p-u log1p-expm1-u associate-/l* add-log-exp unswap-sqr
frac-times cbrt-undiv rec-exp 1-exp associate-*l/ cbrt-unprod div-inv
clear-num frac-2neg pow-prod-down associate-*r/ un-div-inv *-commutative fma-udef pow-flip inv-pow
Counts
3 → 105
Calls
3 calls:
10.0ms
(/ 1 (- a t))
59.0ms
(* (- t z) (/ 1 (- a t)))
1.0ms
(fma y (* (- t z) (/ 1 (- a t))) (+ y x))

series354.0ms

Counts
3 → 9
Calls
3 calls:
43.0ms
(/ 1 (- a t))
65.0ms
(* (- t z) (/ 1 (- a t)))
247.0ms
(fma y (* (- t z) (/ 1 (- a t))) (+ y x))

simplify4.3s

Counts
114 → 114
Iterations
IterNodes
done5001
22794
1357
0150

prune526.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 2.9b

localize33.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (/ 1 (- a t)))
0.6b
(cbrt (/ 1 (- a t)))
0.6b
(cbrt (/ 1 (- a t)))
8.9b
(fma y (* (- t z) (* (* (cbrt (/ 1 (- a t))) (cbrt (/ 1 (- a t)))) (cbrt (/ 1 (- a t))))) (+ y x))

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
63×cbrt-prod
49×add-sqr-sqrt *-un-lft-identity
45×times-frac
31×add-cube-cbrt
distribute-lft-out-- difference-of-squares
associate-/r/
expm1-log1p-u pow1 add-cbrt-cube add-exp-log log1p-expm1-u add-log-exp
cbrt-div flip3-- pow1/3 div-inv flip--
fma-udef
Counts
4 → 106
Calls
4 calls:
9.0ms
(cbrt (/ 1 (- a t)))
6.0ms
(cbrt (/ 1 (- a t)))
5.0ms
(cbrt (/ 1 (- a t)))
0.0ms
(fma y (* (- t z) (* (* (cbrt (/ 1 (- a t))) (cbrt (/ 1 (- a t)))) (cbrt (/ 1 (- a t))))) (+ y x))

series845.0ms

Counts
4 → 12
Calls
4 calls:
201.0ms
(cbrt (/ 1 (- a t)))
206.0ms
(cbrt (/ 1 (- a t)))
234.0ms
(cbrt (/ 1 (- a t)))
202.0ms
(fma y (* (- t z) (* (* (cbrt (/ 1 (- a t))) (cbrt (/ 1 (- a t)))) (cbrt (/ 1 (- a t))))) (+ y x))

simplify1.0s

Counts
118 → 118
Iterations
IterNodes
done5000
31944
2585
1250
0141

prune829.0ms

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 2.9b

localize32.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- t z))
0.5b
(cbrt (- t z))
0.5b
(* (cbrt (- t z)) (cbrt (- t z)))
8.4b
(fma y (* (* (cbrt (- t z)) (cbrt (- t z))) (/ (cbrt (- t z)) (- a t))) (+ y x))

rewrite53.0ms

Algorithm
rewrite-expression-head
Rules
38×cbrt-prod
34×add-sqr-sqrt
32×*-un-lft-identity
16×cbrt-div
14×add-cube-cbrt
11×pow1
10×swap-sqr
flip3-- pow1/3 associate-*r* associate-*l* flip-- distribute-lft-out--
add-exp-log difference-of-squares
expm1-log1p-u frac-times add-cbrt-cube log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down associate-*l/ associate-*r/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod fma-udef
Counts
4 → 102
Calls
4 calls:
5.0ms
(cbrt (- t z))
3.0ms
(cbrt (- t z))
38.0ms
(* (cbrt (- t z)) (cbrt (- t z)))
1.0ms
(fma y (* (* (cbrt (- t z)) (cbrt (- t z))) (/ (cbrt (- t z)) (- a t))) (+ y x))

series908.0ms

Counts
4 → 12
Calls
4 calls:
226.0ms
(cbrt (- t z))
199.0ms
(cbrt (- t z))
218.0ms
(* (cbrt (- t z)) (cbrt (- t z)))
264.0ms
(fma y (* (* (cbrt (- t z)) (cbrt (- t z))) (/ (cbrt (- t z)) (- a t))) (+ y x))

simplify953.0ms

Counts
114 → 114
Iterations
IterNodes
done5000
21086
1332
0157

prune795.0ms

Pruning

12 alts after pruning (9 fresh and 3 done)

Merged error: 2.9b

regimes699.0ms

Accuracy

31.9% (5.5b remaining)

Error of 8.6b against oracle of 3.1b and baseline of 11.2b

bsearch150.0ms

Steps
ItersRangePoint
9
2.7892275357167452e-173
6.906315603593477e-164
2.6575005849123698e-166
6
-4.9039682872818813e-91
-1.0888633833313048e-91
-2.900002769274411e-91

simplify6.0ms

Iterations
IterNodes
done27
127
020

end0.0ms

sample1.9s

Algorithm
intervals
Results
558.0ms7366×body80valid
469.0ms255×body1280valid
145.0ms398×body320valid
122.0ms431×body640valid
67.0ms236×body160valid
7.0ms17×body2560valid