Re: [Sbcl-bugs] New failure on aarch64 from commit 7a19681d9 to sbcl-2.4.7

[Douglas Katzman <dougk@google.com>]

See what it prints when you enable the commented-out line as shown. It should resemble:

::: Running :WASTE-HEAP

waste: 2.6992021

waste: 2.6360381

waste: 2.0121256

waste: 2.055828

waste: 2.0893533

waste: 1.9153032

waste: 1.4070881

waste: 1.4884676

waste: 1.4022947

waste: 1.3286652

waste: 1.2650261

waste: 1.0837856

waste: 29.210937

waste: 9.997396

waste: 6.1546873

....

diff --git a/tests/arenaheapwaste.impure.lisp b/tests/arenaheapwaste.impure.lisp

index 8a71fe063..48378ef2d 100644

--- a/tests/arenaheapwaste.impure.lisp

+++ b/tests/arenaheapwaste.impure.lisp

@@ -42,7 +42,7 @@

              (waste-bytes (- consumed-bytes used-bytes))

              (waste (/ waste-bytes consumed-bytes)))

         (incf sum-fractional-waste waste)

-        #+nil (format t "~&waste: ~,,2f~%" waste))

+        (format t "~&waste: ~,,2f~%" waste))

       (sb-vm:rewind-arena arena))

     (setq *runflag* nil)

     (sb-thread:signal-semaphore (first semaphores) nthreads)

On Wed, Aug 7, 2024 at 2:20 AM Sean Whitton <spwhitton@spwhitton.name> wrote:

Hello,

I just updated Debian from commit 7a19681d9 to the sbcl-2.4.7 tag.

This has introduced a new test failure on aarch64:

    414s // Running arenaheapwaste.impure.lisp in COMPILE evaluator mode
    414s ::: Running :WASTE-HEAP
    416s ::: UNEXPECTED-FAILURE :WASTE-HEAP due to SIMPLE-ERROR:
    416s         "The assertion (< AVG-FRAC-WASTE 0.05) failed with AVG-FRAC-WASTE =
    416s          431968398967258669948280830208045194990100046902358931020804218588323132059322227991023869926450539849164973502626212274306754746439099287430047873601983633538709174149809427139733483858967906746973413268461097809905870216518326360028137106266627806779673541356484578333/8498100009339287907701574396537469665273854429673144967780976626415293419369266577120630324363941436821254901337386846127878566394698970263760650173813562413918800364334853638493215410443139776435852597354689024715766249497490856567498201498205915969931865945473024000000."
    416s ::: Running :HUGE-OBJECTS-SCAVENGED-IN-GC
    416s ::: Success :HUGE-OBJECTS-SCAVENGED-IN-GC

I would be grateful for any help.  Thanks.

--
Sean Whitton


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