Details

Time bar (total: 16.1s)

sample36.0ms

Algorithm
intervals
Results
14.0ms275×body80valid
0.0msbody640valid

simplify1.6s

Counts
1 → 1
Iterations

Useful iterations: 2 (11.0ms)

IterNodesCost
01011
12111
23710
36010
410310
516310
621410
724110
828010
932110
1040610
1150410
1257210
1363610
1466410
done66410

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 1.3b

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) (- z a))
1.2b
(fma (/ (- z t) (- z a)) 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-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:
29.0ms
(/ (- z t) (- z a))
0.0ms
(fma (/ (- z t) (- z a)) y x)

series190.0ms

Counts
2 → 6
Calls
2 calls:
70.0ms
(/ (- z t) (- z a))
120.0ms
(fma (/ (- z t) (- z a)) y x)

simplify3.2s

Counts
70 → 70
Iterations

Useful iterations: 4 (2.0s)

IterNodesCost
0113884
1261856
2628808
31605808
44736806
done5000806

prune234.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.9b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z a) (- z t))
0.2b
(/ 1 (/ (- z a) (- z t)))
1.2b
(fma (/ 1 (/ (- z a) (- z t))) y x)

rewrite76.0ms

Algorithm
rewrite-expression-head
Rules
218×times-frac
195×add-sqr-sqrt *-un-lft-identity
91×add-cube-cbrt
52×distribute-lft-out-- difference-of-squares
36×associate-/r*
16×add-exp-log
11×associate-/r/
10×add-cbrt-cube
div-exp associate-/l*
flip3-- flip-- div-inv
pow1 cbrt-undiv
expm1-log1p-u log1p-expm1-u add-log-exp
rec-exp frac-2neg 1-exp clear-num associate-/l/
pow-flip div-sub fma-udef inv-pow
Counts
3 → 214
Calls
3 calls:
25.0ms
(/ (- z a) (- z t))
32.0ms
(/ 1 (/ (- z a) (- z t)))
0.0ms
(fma (/ 1 (/ (- z a) (- z t))) y x)

series355.0ms

Counts
3 → 9
Calls
3 calls:
72.0ms
(/ (- z a) (- z t))
116.0ms
(/ 1 (/ (- z a) (- z t)))
166.0ms
(fma (/ 1 (/ (- z a) (- z t))) y x)

simplify2.8s

Counts
223 → 223
Iterations

Useful iterations: 3 (1.8s)

IterNodesCost
02693744
16093232
213842913
337662837
done50002837

prune636.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.9b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) (- z a))
1.8b
(* y (/ (- z t) (- z a)))

rewrite95.0ms

Algorithm
rewrite-expression-head
Rules
75×add-sqr-sqrt
70×*-un-lft-identity
51×times-frac
31×associate-*r*
26×add-cube-cbrt
22×distribute-lft-out-- difference-of-squares
add-exp-log add-cbrt-cube
associate-/r* associate-/l*
pow1 associate-/r/
flip3-- associate-*l* flip--
cbrt-undiv expm1-log1p-u div-exp prod-exp cbrt-unprod log1p-expm1-u div-inv associate-/l/ add-log-exp unswap-sqr
frac-2neg div-sub associate-*r/ pow-prod-down clear-num *-commutative
Counts
2 → 106
Calls
2 calls:
28.0ms
(/ (- z t) (- z a))
62.0ms
(* y (/ (- z t) (- z a)))

series212.0ms

Counts
2 → 6
Calls
2 calls:
71.0ms
(/ (- z t) (- z a))
141.0ms
(* y (/ (- z t) (- z a)))

simplify2.2s

Counts
112 → 112
Iterations

Useful iterations: 2 (246.0ms)

IterNodesCost
01421355
13541282
29661200
329281200
done50001200

prune426.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

localize17.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) (- z a))
1.8b
(* y (pow (/ (- z t) (- z a)) 1))

rewrite188.0ms

Algorithm
rewrite-expression-head
Rules
79×add-sqr-sqrt
71×*-un-lft-identity
51×times-frac
35×associate-*r*
33×unpow-prod-down
27×add-cube-cbrt
22×distribute-lft-out-- difference-of-squares
12×add-exp-log
add-cbrt-cube
associate-/r* associate-/l*
prod-exp associate-/r/ unswap-sqr
pow1 flip3-- associate-*l* flip--
expm1-log1p-u div-exp pow-exp log1p-expm1-u div-inv associate-/l/ add-log-exp sqr-pow
cbrt-undiv pow-to-exp frac-2neg div-sub pow-prod-down clear-num *-commutative cbrt-unprod
Counts
2 → 112
Calls
2 calls:
38.0ms
(/ (- z t) (- z a))
144.0ms
(* y (pow (/ (- z t) (- z a)) 1))

series190.0ms

Counts
2 → 6
Calls
2 calls:
91.0ms
(/ (- z t) (- z a))
99.0ms
(* y (pow (/ (- z t) (- z a)) 1))

simplify1.2s

Counts
118 → 118
Iterations

Useful iterations: 2 (344.0ms)

IterNodesCost
01831562
14151349
212481288
done50001288

prune404.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

regimes239.0ms

Accuracy

39.6% (0.9b remaining)

Error of 0.9b against oracle of 0.0b and baseline of 1.4b

bsearch150.0ms

Steps
ItersRangePoint
8
7.709967539277048e-128
2.280333656610178e-125
1.0076840122372241e-126
10
-4.5507113631979727e+86
-4.096056853299748e+70
-4.072361122530727e+71

simplify6.0ms

Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
02145
13031
done3031

end0.0ms

sample1.7s

Algorithm
intervals
Results
1.0s8670×body80valid
0.0msbody640valid
0.0msbody320valid