Error in 14.2s

Runtime

Time bar (total: 14.2s)Debug logProfile

start220.0ms

Algorithm
intervals

setup21.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.5b

localize16.0ms

Local error

Found 1 expressions with local error:

0.5b
(/ (exp x) (expm1 x))

rewrite7.0ms

Algorithm
rewrite-expression-head
Counts
1 → 29
Calls

1 calls. Slowest were:

7.0ms
(/ (exp x) (expm1 x))

series37.0ms

Counts
1 → 3
Calls

1 calls. Slowest were:

37.0ms
(/ (exp x) (expm1 x))

simplify281.0ms

Counts
28 → 32
Calls

28 calls. Slowest were:

133.0ms
(/ (* (* (exp x) (exp x)) (exp x)) (* (* (expm1 x) (expm1 x)) (expm1 x)))
29.0ms
(/ (* (cbrt (exp x)) (cbrt (exp x))) (* (cbrt (expm1 x)) (cbrt (expm1 x))))
20.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))

prune258.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.4b

localize15.0ms

Local error

Found 4 expressions with local error:

0.5b
(/ (sqrt (exp x)) (expm1 x))
0.5b
(* (sqrt (exp x)) (/ (sqrt (exp x)) (expm1 x)))
0.2b
(sqrt (exp x))
0.2b
(sqrt (exp x))

rewrite26.0ms

Algorithm
rewrite-expression-head
Counts
4 → 113
Calls

4 calls. Slowest were:

13.0ms
(* (sqrt (exp x)) (/ (sqrt (exp x)) (expm1 x)))
7.0ms
(/ (sqrt (exp x)) (expm1 x))
2.0ms
(sqrt (exp x))

series142.0ms

Counts
4 → 12
Calls

4 calls. Slowest were:

73.0ms
(/ (sqrt (exp x)) (expm1 x))
35.0ms
(* (sqrt (exp x)) (/ (sqrt (exp x)) (expm1 x)))
17.0ms
(sqrt (exp x))

simplify1.4s

Counts
99 → 125
Calls

99 calls. Slowest were:

462.0ms
(* (* (* (sqrt (exp x)) (sqrt (exp x))) (sqrt (exp x))) (* (* (/ (sqrt (exp x)) (expm1 x)) (/ (sqrt (exp x)) (expm1 x))) (/ (sqrt (exp x)) (expm1 x))))
243.0ms
(* (* (* (sqrt (exp x)) (sqrt (exp x))) (sqrt (exp x))) (/ (* (* (sqrt (exp x)) (sqrt (exp x))) (sqrt (exp x))) (* (* (expm1 x) (expm1 x)) (expm1 x))))
129.0ms
(/ (* (* (sqrt (exp x)) (sqrt (exp x))) (sqrt (exp x))) (* (* (expm1 x) (expm1 x)) (expm1 x)))

prune1.3s

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.4b

localize17.0ms

Local error

Found 1 expressions with local error:

0.1b
(fma 1/12 x 1/2)

rewrite0.0ms

Algorithm
rewrite-expression-head
Counts
1 → 10
Calls

1 calls. Slowest were:

0.0ms
(fma 1/12 x 1/2)

series14.0ms

Counts
1 → 3
Calls

1 calls. Slowest were:

14.0ms
(fma 1/12 x 1/2)

simplify17.0ms

Counts
3 → 13
Calls

3 calls. Slowest were:

6.0ms
(+ (* 1/12 x) 1/2)
6.0ms
(+ (* 1/12 x) 1/2)
4.0ms
(+ (* 1/12 x) 1/2)

prune118.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.4b

localize9.0ms

Local error

Found 3 expressions with local error:

0.1b
(fma 1/12 x 1/2)
0.0b
(expm1 (log1p (fma 1/12 x 1/2)))
0.0b
(log1p (fma 1/12 x 1/2))

rewrite1.0ms

Algorithm
rewrite-expression-head
Counts
3 → 32
Calls

3 calls. Slowest were:

0.0ms
(log1p (fma 1/12 x 1/2))
0.0ms
(fma 1/12 x 1/2)
0.0ms
(expm1 (log1p (fma 1/12 x 1/2)))

series517.0ms

Counts
3 → 9
Calls

3 calls. Slowest were:

463.0ms
(expm1 (log1p (fma 1/12 x 1/2)))
38.0ms
(log1p (fma 1/12 x 1/2))
15.0ms
(fma 1/12 x 1/2)

simplify1.5s

Counts
10 → 41
Calls

10 calls. Slowest were:

705.0ms
(- (+ (log -1/12) (* 18 (/ 1 x))) (+ (log (/ -1 x)) (* 162 (/ 1 (pow x 2)))))
414.0ms
(- (+ (* 18 (/ 1 x)) (log 1/12)) (+ (log (/ 1 x)) (* 162 (/ 1 (pow x 2)))))
236.0ms
(- (+ (* 18 (/ (exp (- (log -1/12) (log (/ -1 x)))) x)) (exp (- (log -1/12) (log (/ -1 x))))) 1)

prune417.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.4b

regimes44.0ms

Please include this information when filing a bug report:

herbie shell --seed 2018357 +o rules:numerics
(FPCore (x)
  :name "expq2 (section 3.11)"

  :herbie-target
  (/ 1 (- 1 (exp (- x))))

  (/ (exp x) (- (exp x) 1)))

Backtrace

partition: contract violation expected: list? given: 0.40529228396316896 argument position: 2nd other arguments...: #<procedure:ordinary-value?>LC
partition/home/p92/racket/collects/racket/list.rkt5550
errors-score/data/pavpan/nightlies/herbie/develop/src/points.rkt3220
for-loop/data/pavpan/nightlies/herbie/develop/src/sandbox.rkt7512
(unnamed)/home/p92/racket/collects/racket/private/more-scheme.rkt26128
run/home/p92/racket/share/pkgs/profile-lib/main.rkt392
profile-thunk16/home/p92/racket/share/pkgs/profile-lib/main.rkt90
(unnamed)/home/p92/racket/collects/racket/private/more-scheme.rkt26128