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Add arena_default_* (170193 and 160026)

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 Change: 19416
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This commit is contained in:
Pekka Pirinen 1998-04-16 20:15:11 +01:00
parent 2241b464d7
commit d6409bf90f
1 changed files with 14 additions and 10 deletions
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24
mps/src/config.h
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@ -1,7 +1,7 @@
/* impl.h.config: MPS CONFIGURATION
*
* Copyright (C) 1997, 1998 Harlequin Group, all rights reserved.
* $HopeName: MMsrc!config.h(trunk.21) $
* $HopeName: MMsrc!config.h(trunk.22) $
* Copyright (C) 1998. Harlequin Group plc. All rights reserved.
*
* .readership: MPS developers.
*/
@ -114,17 +114,21 @@
* os.s7 (Mac OS) with the VM Arena, in order to allow development in
* an environment where real memory is used to simulate memory mapping.
*
* ARENA_CLIENT_PAGE_SIZE is the size in bytes of a "page" (i.e. segment
* granule) in the client arena. The number 8192 is an initial value with no
* particular justification.
* .client.seg-size: ARENA_CLIENT_PAGE_SIZE is the size in bytes of a
* "page" (i.e., segment granule) in the client arena. It's set at 8192
* with no particular justification.
*
* ARENA_CLIENT_DEFAULT_SEG_HIGH is a Bool governing whether segments default
* 'high' (TRUE) or 'low' (FALSE). For EP-core, non-DL segments should be high
* to reduce fragmentation of DL pools (See req.epcore.attr.footprint
* and change 170193/trapping.beta.3 */
* .segpref.default: ARENA_DEFAULT_SEG_HIGH is a Bool governing whether
* segments default 'high' (TRUE) or 'low' (FALSE). For EPcore, non-DL
* segments should be high to reduce fragmentation of DL pools (see
* request.epcore.170193). ARENA_DEFAULT_REFSET has the same role for
* refset-based placement; again, for EPcore, we reserve half the arena
* for non-DL.
*/
#define ARENA_CLIENT_PAGE_SIZE ((Size)8192)
#define ARENA_CLIENT_DEFAULT_SEG_HIGH TRUE
#define ARENA_DEFAULT_SEG_HIGH TRUE
#define ARENA_DEFAULT_REFSET BS_UPPER_HALF(RefSet)
#if defined(CONFIG_PROD_EPCORE)
#define MPS_PROD_EPCORE