sb!vm:read-only-space-start))
(defun control-stack-usage ()
- #!-x86 (- (sb!sys:sap-int (sb!c::control-stack-pointer-sap))
- sb!vm:control-stack-start)
- #!+x86 (- sb!vm:control-stack-end
- (sb!sys:sap-int (sb!c::control-stack-pointer-sap))))
+ #!-stack-grows-downward-not-upward
+ (- (sb!sys:sap-int (sb!c::control-stack-pointer-sap))
+ sb!vm:control-stack-start)
+ #!+stack-grows-downward-not-upward
+ (- sb!vm:control-stack-end
+ (sb!sys:sap-int (sb!c::control-stack-pointer-sap))))
(defun binding-stack-usage ()
(- (sb!sys:sap-int (sb!c::binding-stack-pointer-sap))
(room-minimal-info)
(sb!vm:memory-usage :count-spaces '(:dynamic)
:print-spaces t
- :cutoff 0.05s0
+ :cutoff 0.05f0
:print-summary nil))
(defun room-maximal-info ()
;;;
;;; Unlike CMU CL, we don't export this variable. (There's no need to,
;;; since our BYTES-CONSED-BETWEEN-GCS function is SETFable.)
-(defvar *bytes-consed-between-gcs* (* 4 (expt 10 6)))
+(defvar *bytes-consed-between-gcs*
+ #!+gencgc (* 4 (expt 10 6))
+ ;; Stop-and-copy GC is really really slow when used too often. CSR
+ ;; reported that even on his old 64 Mb SPARC, 20 Mb is much faster
+ ;; than 4 Mb when rebuilding SBCL ca. 0.7.1. For modern machines
+ ;; with >> 128 Mb memory, the optimum could be significantly more
+ ;; than this, but at least 20 Mb should be better than 4 Mb.
+ #!-gencgc (* 20 (expt 10 6)))
(declaim (type index *bytes-consed-between-gcs*))
;;;; GC hooks