Details

Time bar (total: 22.4s)

sample55.0ms

Algorithm
intervals
Results
16.0ms258×body80valid
9.0ms13×body640valid
2.0msbody320valid
2.0msbody1280valid
0.0msbody160valid

simplify3.2s

Counts
1 → 1
Iterations

Useful iterations: 3 (17.0ms)

IterNodesCost
011245
120245
245245
3116220
4326220
5978220
63818220
done5000220

prune33.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 7.5b

localize31.0ms

Local error

Found 2 expressions with local error:

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

rewrite51.0ms

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:
46.0ms
(/ (- y z) (- a z))
1.0ms
(fma (/ (- y z) (- a z)) (- t x) x)

series269.0ms

Counts
2 → 6
Calls
2 calls:
84.0ms
(/ (- y z) (- a z))
184.0ms
(fma (/ (- y z) (- a z)) (- t x) x)

simplify2.5s

Counts
70 → 70
Iterations

Useful iterations: 3 (1.1s)

IterNodesCost
011618590
127117666
286017586
3462217506
done500017506

prune606.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 2.3b

localize35.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- a z))
0.2b
(* (- y z) (/ 1 (- a z)))
2.2b
(fma (* (- y z) (/ 1 (- a z))) (- t x) 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 z))
62.0ms
(* (- y z) (/ 1 (- a z)))
0.0ms
(fma (* (- y z) (/ 1 (- a z))) (- t x) x)

series291.0ms

Counts
3 → 9
Calls
3 calls:
45.0ms
(/ 1 (- a z))
72.0ms
(* (- y z) (/ 1 (- a z)))
174.0ms
(fma (* (- y z) (/ 1 (- a z))) (- t x) x)

simplify4.4s

Counts
114 → 114
Iterations

Useful iterations: done (4.4s)

IterNodesCost
015226902
136321515
2281919629
done500119458

prune684.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 2.3b

localize61.0ms

Local error

Found 4 expressions with local error:

1.5b
(fma (* (* (cbrt (* (- y z) (/ 1 (- a z)))) (cbrt (* (- y z) (/ 1 (- a z))))) (cbrt (* (- y z) (/ 1 (- a z))))) (- t x) x)
5.0b
(cbrt (* (- y z) (/ 1 (- a z))))
5.0b
(cbrt (* (- y z) (/ 1 (- a z))))
5.0b
(cbrt (* (- y z) (/ 1 (- a z))))

rewrite43.0ms

Algorithm
rewrite-expression-head
Rules
18×cbrt-div
frac-times flip3-- associate-*l/ flip--
add-sqr-sqrt expm1-log1p-u pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt log1p-expm1-u add-log-exp
cbrt-prod pow1/3 associate-*r/ un-div-inv
fma-udef
Counts
4 → 61
Calls
4 calls:
0.0ms
(fma (* (* (cbrt (* (- y z) (/ 1 (- a z)))) (cbrt (* (- y z) (/ 1 (- a z))))) (cbrt (* (- y z) (/ 1 (- a z))))) (- t x) x)
13.0ms
(cbrt (* (- y z) (/ 1 (- a z))))
14.0ms
(cbrt (* (- y z) (/ 1 (- a z))))
13.0ms
(cbrt (* (- y z) (/ 1 (- a z))))

series1.5s

Counts
4 → 12
Calls
4 calls:
193.0ms
(fma (* (* (cbrt (* (- y z) (/ 1 (- a z)))) (cbrt (* (- y z) (/ 1 (- a z))))) (cbrt (* (- y z) (/ 1 (- a z))))) (- t x) x)
453.0ms
(cbrt (* (- y z) (/ 1 (- a z))))
441.0ms
(cbrt (* (- y z) (/ 1 (- a z))))
402.0ms
(cbrt (* (- y z) (/ 1 (- a z))))

simplify2.1s

Counts
73 → 73
Iterations

Useful iterations: done (2.1s)

IterNodesCost
011331573
123928387
272626297
3385423642
done500023517

prune689.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 2.3b

localize32.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (- y z))
0.6b
(cbrt (- y z))
0.6b
(* (cbrt (- y z)) (cbrt (- y z)))
6.6b
(fma (* (* (cbrt (- y z)) (cbrt (- y z))) (/ (cbrt (- y z)) (- a z))) (- t x) x)

rewrite74.0ms

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:
3.0ms
(cbrt (- y z))
3.0ms
(cbrt (- y z))
62.0ms
(* (cbrt (- y z)) (cbrt (- y z)))
1.0ms
(fma (* (* (cbrt (- y z)) (cbrt (- y z))) (/ (cbrt (- y z)) (- a z))) (- t x) x)

series890.0ms

Counts
4 → 12
Calls
4 calls:
250.0ms
(cbrt (- y z))
205.0ms
(cbrt (- y z))
219.0ms
(* (cbrt (- y z)) (cbrt (- y z)))
216.0ms
(fma (* (* (cbrt (- y z)) (cbrt (- y z))) (/ (cbrt (- y z)) (- a z))) (- t x) x)

simplify1.2s

Counts
114 → 114
Iterations

Useful iterations: done (1.2s)

IterNodesCost
015937632
134232668
2113332447
done500029882

prune981.0ms

Pruning

9 alts after pruning (6 fresh and 3 done)

Merged error: 2.3b

regimes913.0ms

Accuracy

34.4% (5.3b remaining)

Error of 8.9b against oracle of 3.7b and baseline of 11.7b

bsearch2.0ms

simplify15.0ms

Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
025818
133818
done33818

end0.0ms

sample1.7s

Algorithm
intervals
Results
979.0ms7794×body80valid
154.0ms489×body640valid
66.0ms286×body1280valid
57.0ms395×body320valid
24.0ms248×body160valid
6.0ms16×body2560valid