Details

Time bar (total: 5.3s)

sample24.0ms

Algorithm
intervals
Results
12.0ms270×body80valid

simplify116.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 6 (33.0ms)

IterNodesCost
0256
1586
21106
31986
44116
58636
612295
716985
823045
925085
1025105
1125105

prune8.0ms

Filtered
1 candidates to 1 candidates (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 1.8b

Counts
2 → 2

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ a (+ (- t z) 1.0))
1.8b
(fma (/ a (+ (- t z) 1.0)) (- z y) x)

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
32×*-un-lft-identity
15×times-frac
12×add-sqr-sqrt add-cube-cbrt
distribute-lft-out
associate-/r*
add-exp-log add-cbrt-cube distribute-lft-out--
associate-/l*
pow1 expm1-log1p-u associate-/r/ log1p-expm1-u add-log-exp
cbrt-undiv frac-2neg flip3-+ div-exp clear-num flip-+ fma-udef div-inv
Counts
2 → 49
Calls
2 calls:
8.0ms
(/ a (+ (- t z) 1.0))
1.0ms
(fma (/ a (+ (- t z) 1.0)) (- z y) x)

series212.0ms

Counts
2 → 6
Calls
2 calls:
40.0ms
(/ a (+ (- t z) 1.0))
172.0ms
(fma (/ a (+ (- t z) 1.0)) (- z y) x)

simplify117.0ms

Algorithm
egg-herbie
Counts
55 → 55
Iterations

Useful iterations: 2 (29.0ms)

IterNodesCost
0207330
1712301
23081297
35002297

prune120.0ms

Filtered
55 candidates to 40 candidates (27.3%)
Pruning

10 alts after pruning (9 fresh and 1 done)

PrunedKeptTotal
New47855
Fresh011
Picked011
Done000
Total471057

Merged error: 1.1b

Counts
57 → 10

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(- x (/ (- y z) (/ (+ (- t z) 1.0) a)))
0.0b
(/ (+ (- t z) 1.0) a)
9.1b
(/ (- y z) (/ (+ (- t z) 1.0) a))

rewrite134.0ms

Algorithm
rewrite-expression-head
Rules
914×*-un-lft-identity
713×times-frac
566×add-sqr-sqrt
403×add-cube-cbrt
336×prod-diff
149×distribute-lft-out--
142×distribute-lft-out
80×difference-of-squares
52×associate-/r/
34×associate-/r*
30×associate-/l*
26×div-inv
12×associate-/l/
10×add-exp-log add-cbrt-cube
frac-2neg clear-num
flip3-+ flip-+ add-log-exp
cbrt-undiv div-exp
pow1 expm1-log1p-u fma-neg div-sub log1p-expm1-u
flip3-- flip--
associate-+l- sub-neg diff-log associate--r-
Counts
3 → 549
Calls
3 calls:
50.0ms
(- x (/ (- y z) (/ (+ (- t z) 1.0) a)))
11.0ms
(/ (+ (- t z) 1.0) a)
18.0ms
(/ (- y z) (/ (+ (- t z) 1.0) a))

series283.0ms

Counts
3 → 9
Calls
3 calls:
101.0ms
(- x (/ (- y z) (/ (+ (- t z) 1.0) a)))
40.0ms
(/ (+ (- t z) 1.0) a)
142.0ms
(/ (- y z) (/ (+ (- t z) 1.0) a))

simplify200.0ms

Algorithm
egg-herbie
Counts
558 → 558
Iterations

Useful iterations: 1 (59.0ms)

IterNodesCost
0203617325
1500113555

prune736.0ms

Filtered
558 candidates to 236 candidates (57.7%)
Pruning

4 alts after pruning (3 fresh and 1 done)

PrunedKeptTotal
New5553558
Fresh808
Picked101
Done011
Total5644568

Merged error: 0b

Counts
568 → 4

localize16.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma 1 x (- (* (- a) (/ (- y z) (- (+ (- t z) 1.0))))))
0.0b
(/ (- y z) (- (+ (- t z) 1.0)))
0.0b
(/ (- y z) (- (+ (- t z) 1.0)))
0.9b
(* (- a) (/ (- y z) (- (+ (- t z) 1.0))))

rewrite90.0ms

Algorithm
rewrite-expression-head
Rules
380×*-un-lft-identity
211×times-frac
202×add-sqr-sqrt
107×add-cube-cbrt
93×distribute-lft-neg-in distribute-rgt-neg-in
82×distribute-lft-out--
76×associate-*r*
72×distribute-lft-out
45×difference-of-squares
42×associate-/r*
24×associate-*r/
19×neg-mul-1
17×associate-/l*
13×add-exp-log add-cbrt-cube
10×associate-*l*
pow1 associate-/r/ associate-/l/ distribute-neg-frac
expm1-log1p-u clear-num log1p-expm1-u add-log-exp
cbrt-undiv flip3-- frac-2neg flip3-+ div-exp un-div-inv flip-- flip-+ div-inv
div-sub prod-exp cbrt-unprod unswap-sqr
distribute-lft-neg-out pow-prod-down *-commutative fma-udef
Counts
4 → 357
Calls
4 calls:
1.0ms
(fma 1 x (- (* (- a) (/ (- y z) (- (+ (- t z) 1.0))))))
15.0ms
(/ (- y z) (- (+ (- t z) 1.0)))
14.0ms
(/ (- y z) (- (+ (- t z) 1.0)))
40.0ms
(* (- a) (/ (- y z) (- (+ (- t z) 1.0))))

series346.0ms

Counts
4 → 12
Calls
4 calls:
126.0ms
(fma 1 x (- (* (- a) (/ (- y z) (- (+ (- t z) 1.0))))))
61.0ms
(/ (- y z) (- (+ (- t z) 1.0)))
61.0ms
(/ (- y z) (- (+ (- t z) 1.0)))
97.0ms
(* (- a) (/ (- y z) (- (+ (- t z) 1.0))))

simplify144.0ms

Algorithm
egg-herbie
Counts
369 → 369
Iterations

Useful iterations: 2 (109.0ms)

IterNodesCost
08193122
138423011
250013000

prune797.0ms

Filtered
369 candidates to 221 candidates (40.1%)
Pruning

4 alts after pruning (2 fresh and 2 done)

PrunedKeptTotal
New3690369
Fresh022
Picked011
Done011
Total3694373

Merged error: 0b

Counts
373 → 4

localize16.0ms

Local error

Found 4 expressions with local error:

0.0b
(- x (/ (- y z) (fma 1.0 (/ 1 a) (- (/ t a) (/ z a)))))
0.0b
(fma 1.0 (/ 1 a) (- (/ t a) (/ z a)))
1.7b
(- (/ t a) (/ z a))
9.1b
(/ (- y z) (fma 1.0 (/ 1 a) (- (/ t a) (/ z a))))

rewrite78.0ms

Algorithm
rewrite-expression-head
Rules
333×add-sqr-sqrt
328×*-un-lft-identity
314×times-frac
290×add-cube-cbrt
226×prod-diff
81×frac-sub
65×associate-/r*
59×associate-/l*
33×div-inv
21×frac-2neg
19×clear-num difference-of-squares
18×distribute-lft-out--
16×fma-neg
add-log-exp
sub-div
add-exp-log add-cbrt-cube
pow1 expm1-log1p-u log1p-expm1-u
flip3-- flip--
sub-neg diff-log div-sub associate-/l/
cbrt-undiv distribute-rgt-out-- div-exp fma-udef associate--r-
Counts
4 → 421
Calls
4 calls:
12.0ms
(- x (/ (- y z) (fma 1.0 (/ 1 a) (- (/ t a) (/ z a)))))
1.0ms
(fma 1.0 (/ 1 a) (- (/ t a) (/ z a)))
24.0ms
(- (/ t a) (/ z a))
7.0ms
(/ (- y z) (fma 1.0 (/ 1 a) (- (/ t a) (/ z a))))

series294.0ms

Counts
4 → 12
Calls
4 calls:
137.0ms
(- x (/ (- y z) (fma 1.0 (/ 1 a) (- (/ t a) (/ z a)))))
39.0ms
(fma 1.0 (/ 1 a) (- (/ t a) (/ z a)))
25.0ms
(- (/ t a) (/ z a))
92.0ms
(/ (- y z) (fma 1.0 (/ 1 a) (- (/ t a) (/ z a))))

simplify140.0ms

Algorithm
egg-herbie
Counts
433 → 433
Iterations

Useful iterations: 1 (59.0ms)

IterNodesCost
019999491
150017258

prune770.0ms

Filtered
433 candidates to 224 candidates (48.3%)
Pruning

4 alts after pruning (1 fresh and 3 done)

PrunedKeptTotal
New4321433
Fresh101
Picked011
Done022
Total4334437

Merged error: 0b

Counts
437 → 4

regimes124.0ms

Accuracy

0% (0.2b remaining)

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

bsearch0.0ms

simplify5.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03518
14418
25818
38218
49318
59518
69518

end0.0ms

sample542.0ms

Algorithm
intervals
Results
292.0ms8469×body80valid
0.0msbody640valid