Details

Time bar (total: 22.4s)

sample26.0ms

Algorithm
intervals
Results
10.0ms317×body80valid

simplify8.1s

Counts
1 → 1
Iterations

Useful iterations: 2 (4.0ms)

IterNodesCost
08164
114164
227139
362139
4115139
5193139
6299139
7633139
82073139
done5001139

prune25.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 2.1b

localize10.0ms

Local error

Found 1 expressions with local error:

2.0b
(fma (/ z t) (- y x) x)

rewrite1.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt expm1-log1p-u pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt fma-udef log1p-expm1-u add-log-exp
Counts
1 → 10
Calls
1 calls:
0.0ms
(fma (/ z t) (- y x) x)

series62.0ms

Counts
1 → 3
Calls
1 calls:
62.0ms
(fma (/ z t) (- y x) x)

simplify2.8s

Counts
13 → 13
Iterations

Useful iterations: 3 (91.0ms)

IterNodesCost
0232767
1412767
2912767
32772452
419222452
done50002452

prune126.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize46.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (fma (/ z t) (- y x) x))
2.0b
(fma (/ z t) (- y x) x)
2.0b
(fma (/ z t) (- y x) x)
2.0b
(fma (/ z t) (- y x) x)

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u pow1 add-cbrt-cube add-exp-log log1p-expm1-u add-log-exp
cbrt-prod fma-udef
pow1/3
Counts
4 → 43
Calls
4 calls:
1.0ms
(cbrt (fma (/ z t) (- y x) x))
0.0ms
(fma (/ z t) (- y x) x)
0.0ms
(fma (/ z t) (- y x) x)
1.0ms
(fma (/ z t) (- y x) x)

series476.0ms

Counts
4 → 12
Calls
4 calls:
318.0ms
(cbrt (fma (/ z t) (- y x) x))
49.0ms
(fma (/ z t) (- y x) x)
50.0ms
(fma (/ z t) (- y x) x)
59.0ms
(fma (/ z t) (- y x) x)

simplify1.4s

Counts
55 → 55
Iterations

Useful iterations: done (1.4s)

IterNodesCost
06013760
111813548
228613508
3111612323
done500111773

prune471.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

localize86.0ms

Local error

Found 4 expressions with local error:

2.0b
(fma (/ z t) (- y x) x)
2.0b
(fma (/ z t) (- y x) x)
2.0b
(fma (/ z t) (- y x) x)
2.0b
(fma (/ z t) (- y x) x)

rewrite2.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt expm1-log1p-u pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt fma-udef log1p-expm1-u add-log-exp
Counts
4 → 40
Calls
4 calls:
0.0ms
(fma (/ z t) (- y x) x)
0.0ms
(fma (/ z t) (- y x) x)
0.0ms
(fma (/ z t) (- y x) x)
0.0ms
(fma (/ z t) (- y x) x)

series191.0ms

Counts
4 → 12
Calls
4 calls:
61.0ms
(fma (/ z t) (- y x) x)
40.0ms
(fma (/ z t) (- y x) x)
51.0ms
(fma (/ z t) (- y x) x)
40.0ms
(fma (/ z t) (- y x) x)

simplify2.7s

Counts
52 → 52
Iterations

Useful iterations: 3 (85.0ms)

IterNodesCost
02311068
14111068
29111068
32779808
419229808
done50009808

prune508.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

localize143.0ms

Local error

Found 4 expressions with local error:

2.0b
(fma (/ z t) (- y x) x)
2.0b
(fma (/ z t) (- y x) x)
2.0b
(fma (/ z t) (- y x) x)
2.0b
(fma (/ z t) (- y x) x)

rewrite6.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt expm1-log1p-u pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt fma-udef log1p-expm1-u add-log-exp
Counts
4 → 40
Calls
4 calls:
4.0ms
(fma (/ z t) (- y x) x)
0.0ms
(fma (/ z t) (- y x) x)
0.0ms
(fma (/ z t) (- y x) x)
0.0ms
(fma (/ z t) (- y x) x)

series251.0ms

Counts
4 → 12
Calls
4 calls:
62.0ms
(fma (/ z t) (- y x) x)
70.0ms
(fma (/ z t) (- y x) x)
69.0ms
(fma (/ z t) (- y x) x)
50.0ms
(fma (/ z t) (- y x) x)

simplify2.6s

Counts
52 → 52
Iterations

Useful iterations: 3 (57.0ms)

IterNodesCost
02311068
14111068
29111068
32779808
419229808
done50009808

prune421.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0.0b

regimes565.0ms

Accuracy

-2.4% (2.0b remaining)

Error of 2.0b against oracle of 0.1b and baseline of 2.0b

bsearch129.0ms

Steps
ItersRangePoint
10
2.7227493296586844e-37
4.6755715944897246e-20
2.7523994095482362e-30
8
-8.505133452025871e-290
-7.507777451466672e-293
-3.0073798622590382e-291

simplify7.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
015496
118496
done18496

end0.0ms

sample1.2s

Algorithm
intervals
Results
611.0ms10608×body80valid