Details

Time bar (total: 16.0s)

sample63.0ms

Algorithm
intervals
Results
18.0ms234×body80valid
6.0ms20×body640valid
3.0msbody1280valid
3.0ms13×body320valid
1.0msbody160valid

simplify3.1s

Counts
1 → 1
Iterations

Useful iterations: 4 (67.0ms)

IterNodesCost
01113
12213
25213
311013
423912
572912
6342612
done500012

prune15.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 11.3b

localize22.0ms

Local error

Found 2 expressions with local error:

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

rewrite44.0ms

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:
40.0ms
(/ (- t z) (- a t))
1.0ms
(fma (/ (- t z) (- a t)) y (+ x y))

series326.0ms

Counts
2 → 6
Calls
2 calls:
71.0ms
(/ (- t z) (- a t))
255.0ms
(fma (/ (- t z) (- a t)) y (+ x y))

simplify2.6s

Counts
70 → 70
Iterations

Useful iterations: 3 (922.0ms)

IterNodesCost
0113906
1263878
2819828
34388824
done5000824

prune289.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 3.9b

localize29.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (- a t))
0.6b
(cbrt (- a t))
0.6b
(cbrt (- a t))
8.2b
(fma (/ (/ (- t z) (* (cbrt (- a t)) (cbrt (- a t)))) (cbrt (- a t))) y (+ x y))

rewrite28.0ms

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:
8.0ms
(cbrt (- a t))
8.0ms
(cbrt (- a t))
8.0ms
(cbrt (- a t))
1.0ms
(fma (/ (/ (- t z) (* (cbrt (- a t)) (cbrt (- a t)))) (cbrt (- a t))) y (+ x y))

series915.0ms

Counts
4 → 12
Calls
4 calls:
194.0ms
(cbrt (- a t))
206.0ms
(cbrt (- a t))
221.0ms
(cbrt (- a t))
294.0ms
(fma (/ (/ (- t z) (* (cbrt (- a t)) (cbrt (- a t)))) (cbrt (- a t))) y (+ x y))

simplify1.3s

Counts
73 → 73
Iterations

Useful iterations: done (1.3s)

IterNodesCost
093913
1191895
2474737
31585666
done5000630

prune460.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 3.9b

localize40.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (cbrt (- a t)))
0.6b
(cbrt (cbrt (- a t)))
0.6b
(cbrt (cbrt (- a t)))
11.4b
(fma (/ (/ (- t z) (* (cbrt (- a t)) (cbrt (- a t)))) (* (* (cbrt (cbrt (- a t))) (cbrt (cbrt (- a t)))) (cbrt (cbrt (- a t))))) y (+ x y))

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
39×cbrt-prod
16×add-sqr-sqrt *-un-lft-identity
12×cbrt-div
10×add-cube-cbrt
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 → 70
Calls
4 calls:
8.0ms
(cbrt (cbrt (- a t)))
8.0ms
(cbrt (cbrt (- a t)))
8.0ms
(cbrt (cbrt (- a t)))
1.0ms
(fma (/ (/ (- t z) (* (cbrt (- a t)) (cbrt (- a t)))) (* (* (cbrt (cbrt (- a t))) (cbrt (cbrt (- a t)))) (cbrt (cbrt (- a t))))) y (+ x y))

series854.0ms

Counts
4 → 12
Calls
4 calls:
158.0ms
(cbrt (cbrt (- a t)))
211.0ms
(cbrt (cbrt (- a t)))
203.0ms
(cbrt (cbrt (- a t)))
281.0ms
(fma (/ (/ (- t z) (* (cbrt (- a t)) (cbrt (- a t)))) (* (* (cbrt (cbrt (- a t))) (cbrt (cbrt (- a t)))) (cbrt (cbrt (- a t))))) y (+ x y))

simplify1.0s

Counts
82 → 82
Iterations

Useful iterations: done (1.0s)

IterNodesCost
01081271
12091244
25171032
31857967
done5002846

prune587.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 3.9b

localize28.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (- t z))
0.6b
(cbrt (- t z))
0.6b
(cbrt (- t z))
8.7b
(fma (/ (* (cbrt (- t z)) (cbrt (- t z))) (/ (- a t) (cbrt (- t z)))) y (+ x y))

rewrite31.0ms

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 (- t z))
7.0ms
(cbrt (- t z))
14.0ms
(cbrt (- t z))
1.0ms
(fma (/ (* (cbrt (- t z)) (cbrt (- t z))) (/ (- a t) (cbrt (- t z)))) y (+ x y))

series927.0ms

Counts
4 → 12
Calls
4 calls:
216.0ms
(cbrt (- t z))
231.0ms
(cbrt (- t z))
214.0ms
(cbrt (- t z))
266.0ms
(fma (/ (* (cbrt (- t z)) (cbrt (- t z))) (/ (- a t) (cbrt (- t z)))) y (+ x y))

simplify1.0s

Counts
73 → 73
Iterations

Useful iterations: done (1.0s)

IterNodesCost
093913
1192895
2480737
31653666
done5000630

prune293.0ms

Pruning

9 alts after pruning (6 fresh and 3 done)

Merged error: 3.9b

regimes350.0ms

Accuracy

39.9% (4.8b remaining)

Error of 8.2b against oracle of 3.4b and baseline of 11.3b

bsearch102.0ms

Steps
ItersRangePoint
4
4.536853709009945e+119
8.134383085006714e+119
7.272461153412324e+119
10
-2.7976687006233133e+82
-3.132629721821513e+67
-1.2188467661632975e+82

simplify2.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
01832
12227
done2227

end0.0ms

sample1.4s

Algorithm
intervals
Results
588.0ms7376×body80valid
89.0ms458×body640valid
84.0ms257×body1280valid
54.0ms377×body320valid
48.0ms230×body160valid
6.0ms22×body2560valid