Details

Time bar (total: 9.2s)

sample22.0ms

Algorithm
intervals
Results
9.0ms271×body80valid

simplify1.5s

Counts
1 → 1
Iterations

Useful iterations: 4 (33.0ms)

IterNodesCost
01213
12513
25813
310813
419412
531512
648812
769612
8102212
9134512
10154512
11160412
12161412
done161412

prune8.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z y) (+ (- t z) 1.0))
0.0b
(fma a (/ (- z y) (+ (- t z) 1.0)) x)

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
56×*-un-lft-identity
26×add-sqr-sqrt
25×times-frac
14×add-cube-cbrt
12×distribute-lft-out distribute-lft-out--
difference-of-squares
associate-/r* associate-/l*
add-exp-log add-cbrt-cube
pow1 expm1-log1p-u associate-/r/ log1p-expm1-u associate-/l/ add-log-exp
cbrt-undiv flip3-- frac-2neg flip3-+ div-sub div-exp clear-num flip-- flip-+ fma-udef div-inv
Counts
2 → 64
Calls
2 calls:
26.0ms
(/ (- z y) (+ (- t z) 1.0))
0.0ms
(fma a (/ (- z y) (+ (- t z) 1.0)) x)

series159.0ms

Counts
2 → 6
Calls
2 calls:
57.0ms
(/ (- z y) (+ (- t z) 1.0))
101.0ms
(fma a (/ (- z y) (+ (- t z) 1.0)) x)

simplify1.0s

Counts
70 → 70
Iterations

Useful iterations: done (1.0s)

IterNodesCost
01161048
12791006
2724940
32175936
done5001934

prune174.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.0b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z y) (+ (- t z) 1.0))
0.8b
(* a (/ (- z y) (+ (- t z) 1.0)))

rewrite90.0ms

Algorithm
rewrite-expression-head
Rules
103×*-un-lft-identity
53×add-sqr-sqrt
51×times-frac
31×associate-*r*
26×add-cube-cbrt
22×distribute-lft-out distribute-lft-out--
11×difference-of-squares
add-exp-log add-cbrt-cube
associate-/r* associate-/l*
pow1 associate-/r/
associate-*l*
cbrt-undiv expm1-log1p-u flip3-+ div-exp prod-exp cbrt-unprod flip-+ log1p-expm1-u div-inv associate-/l/ add-log-exp unswap-sqr
flip3-- frac-2neg div-sub associate-*r/ pow-prod-down clear-num *-commutative flip--
Counts
2 → 106
Calls
2 calls:
27.0ms
(/ (- z y) (+ (- t z) 1.0))
56.0ms
(* a (/ (- z y) (+ (- t z) 1.0)))

series122.0ms

Counts
2 → 6
Calls
2 calls:
50.0ms
(/ (- z y) (+ (- t z) 1.0))
72.0ms
(* a (/ (- z y) (+ (- t z) 1.0)))

simplify1.5s

Counts
112 → 112
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01441577
13751478
210681370
336031366
done50001364

prune279.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (+ (- t z) 1.0))
0.3b
(* (- z y) (/ 1 (+ (- t z) 1.0)))
0.8b
(* a (* (- z y) (/ 1 (+ (- t z) 1.0))))

rewrite129.0ms

Algorithm
rewrite-expression-head
Rules
62×*-un-lft-identity
33×add-sqr-sqrt
32×times-frac
31×add-exp-log
24×add-cube-cbrt
22×associate-*r*
19×add-cbrt-cube
14×distribute-lft-out
13×prod-exp
11×pow1
associate-*r/ associate-*l* distribute-lft-out--
cbrt-unprod
div-exp
associate-/r*
frac-times flip3-- pow-prod-down associate-*l/ associate-/r/ flip--
cbrt-undiv expm1-log1p-u rec-exp 1-exp log1p-expm1-u associate-/l* add-log-exp unswap-sqr
flip3-+ un-div-inv *-commutative flip-+ div-inv
pow-flip frac-2neg clear-num inv-pow difference-of-squares
Counts
3 → 125
Calls
3 calls:
20.0ms
(/ 1 (+ (- t z) 1.0))
56.0ms
(* (- z y) (/ 1 (+ (- t z) 1.0)))
48.0ms
(* a (* (- z y) (/ 1 (+ (- t z) 1.0))))

series176.0ms

Counts
3 → 9
Calls
3 calls:
39.0ms
(/ 1 (+ (- t z) 1.0))
52.0ms
(* (- z y) (/ 1 (+ (- t z) 1.0)))
84.0ms
(* a (* (- z y) (/ 1 (+ (- t z) 1.0))))

simplify630.0ms

Counts
134 → 134
Iterations

Useful iterations: done (626.0ms)

IterNodesCost
01741796
14571497
214191295
done50001292

prune325.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize12.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (+ (- t z) 1.0) (- z y))
0.2b
(/ 1 (/ (+ (- t z) 1.0) (- z y)))
0.8b
(* a (/ 1 (/ (+ (- t z) 1.0) (- z y))))

rewrite182.0ms

Algorithm
rewrite-expression-head
Rules
446×*-un-lft-identity
392×times-frac
253×add-sqr-sqrt
157×add-cube-cbrt
98×associate-*r*
82×distribute-lft-out distribute-lft-out--
41×difference-of-squares
36×associate-/r*
35×add-exp-log
19×add-cbrt-cube
18×associate-/r/
15×div-exp
10×div-inv
flip3-- flip-- associate-/l*
cbrt-undiv prod-exp
pow1
unswap-sqr
rec-exp 1-exp
expm1-log1p-u associate-*l* cbrt-unprod log1p-expm1-u add-log-exp
frac-2neg clear-num associate-/l/
associate-+l- pow-flip flip3-+ div-sub associate-*r/ pow-prod-down un-div-inv *-commutative flip-+ inv-pow
Counts
3 → 333
Calls
3 calls:
38.0ms
(/ (+ (- t z) 1.0) (- z y))
33.0ms
(/ 1 (/ (+ (- t z) 1.0) (- z y)))
87.0ms
(* a (/ 1 (/ (+ (- t z) 1.0) (- z y))))

series298.0ms

Counts
3 → 9
Calls
3 calls:
63.0ms
(/ (+ (- t z) 1.0) (- z y))
100.0ms
(/ 1 (/ (+ (- t z) 1.0) (- z y)))
135.0ms
(* a (/ 1 (/ (+ (- t z) 1.0) (- z y))))

simplify1.1s

Counts
342 → 342
Iterations

Useful iterations: done (1.1s)

IterNodesCost
03426172
18655019
219974610
done50004587

prune623.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

regimes125.0ms

Accuracy

0% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 0.2b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01415
12015
done2015

end0.0ms

sample548.0ms

Algorithm
intervals
Results
298.0ms8493×body80valid
0.0msbody640valid