Details

Time bar (total: 15.8s)

sample47.0ms

Algorithm
intervals
Results
19.0ms283×body80valid

simplify1.6s

Counts
1 → 1
Iterations

Useful iterations: 3 (23.0ms)

IterNodesCost
01011
11811
23311
36110
411210
515710
620710
725110
830210
938710
1048510
1155310
1261710
1364510
done64510

prune9.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize26.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ y (- z a))
3.6b
(fma (/ y (- z a)) (- z t) x)

rewrite16.0ms

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:
14.0ms
(/ y (- z a))
1.0ms
(fma (/ y (- z a)) (- z t) x)

series564.0ms

Counts
2 → 6
Calls
2 calls:
45.0ms
(/ y (- z a))
519.0ms
(fma (/ y (- z a)) (- z t) x)

simplify2.3s

Counts
55 → 55
Iterations

Useful iterations: 4 (739.0ms)

IterNodesCost
092552
1171535
2369495
3790495
42344494
done5000494

prune272.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize26.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z a) y)
0.7b
(/ 1 (/ (- z a) y))
3.6b
(fma (/ 1 (/ (- z a) y)) (- z t) x)

rewrite70.0ms

Algorithm
rewrite-expression-head
Rules
132×times-frac
101×add-sqr-sqrt *-un-lft-identity
69×add-cube-cbrt
22×associate-/r*
16×add-exp-log distribute-lft-out-- difference-of-squares
10×add-cbrt-cube
div-exp associate-/l*
div-inv
pow1 cbrt-undiv
expm1-log1p-u log1p-expm1-u add-log-exp
rec-exp frac-2neg 1-exp clear-num associate-/l/
flip3-- pow-flip div-sub associate-/r/ flip-- fma-udef inv-pow
Counts
3 → 152
Calls
3 calls:
25.0ms
(/ (- z a) y)
21.0ms
(/ 1 (/ (- z a) y))
1.0ms
(fma (/ 1 (/ (- z a) y)) (- z t) x)

series356.0ms

Counts
3 → 9
Calls
3 calls:
41.0ms
(/ (- z a) y)
137.0ms
(/ 1 (/ (- z a) y))
177.0ms
(fma (/ 1 (/ (- z a) y)) (- z t) x)

simplify2.6s

Counts
161 → 161
Iterations

Useful iterations: 3 (931.0ms)

IterNodesCost
02102152
14501827
28921582
321731552
done50001552

prune549.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize21.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z a) y)
11.6b
(/ (- z t) (/ (- z a) y))

rewrite112.0ms

Algorithm
rewrite-expression-head
Rules
200×times-frac
170×add-sqr-sqrt *-un-lft-identity
86×add-cube-cbrt
42×distribute-lft-out-- difference-of-squares
22×associate-/r*
10×associate-/l*
add-exp-log add-cbrt-cube
div-inv
cbrt-undiv div-exp associate-/l/
pow1 expm1-log1p-u flip3-- frac-2neg div-sub clear-num flip-- log1p-expm1-u add-log-exp
associate-/r/
Counts
2 → 179
Calls
2 calls:
29.0ms
(/ (- z a) y)
71.0ms
(/ (- z t) (/ (- z a) y))

series286.0ms

Counts
2 → 6
Calls
2 calls:
71.0ms
(/ (- z a) y)
215.0ms
(/ (- z t) (/ (- z a) y))

simplify1.8s

Counts
185 → 185
Iterations

Useful iterations: done (1.8s)

IterNodesCost
02513162
16912968
222822866
done50002864

prune787.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize20.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) (- z a))
2.6b
(* (/ (- z t) (- z a)) y)

rewrite127.0ms

Algorithm
rewrite-expression-head
Rules
75×add-sqr-sqrt
70×*-un-lft-identity
51×times-frac
31×associate-*l*
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-*r* 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 pow-prod-down associate-*l/ clear-num *-commutative
Counts
2 → 106
Calls
2 calls:
41.0ms
(/ (- z t) (- z a))
80.0ms
(* (/ (- z t) (- z a)) y)

series264.0ms

Counts
2 → 6
Calls
2 calls:
72.0ms
(/ (- z t) (- z a))
192.0ms
(* (/ (- z t) (- z a)) y)

simplify2.2s

Counts
112 → 112
Iterations

Useful iterations: 2 (278.0ms)

IterNodesCost
01471339
13711303
29811219
329951219
done50001219

prune331.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0b

regimes146.0ms

Accuracy

0% (1.4b remaining)

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

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01011
11211
done1211

end0.0ms

sample1.2s

Algorithm
intervals
Results
472.0ms8690×body80valid
0.0msbody320valid
0.0msbody1280valid
0.0msbody160valid