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core: gc: Pointer cells: Drop cells->news->cells flipping.

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* src/gc.c (gc_init): Undo doubling of initial memory.
(gc_init_news)[!GC_NOFLIP]: Remove.
(gc_)[!GC_NOFLIP]: Remove symbol relocation.
(gc)[!GC_NOFLIP]: Remove second gc.
This commit is contained in:
Jan (janneke) Nieuwenhuizen 2020-09-20 11:11:08 +02:00
parent 3f368e29e1
commit 5c9f2edd90
No known key found for this signature in database
GPG key ID: F3C1A0D9C1D65273
1 changed files with 1 additions and 46 deletions
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47
src/gc.c
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@ -65,7 +65,6 @@ gc_init ()
ARENA_SIZE = 100000000; /* 2.3GiB */
#elif ! __M2_PLANET__
ARENA_SIZE = 300000; /* 32b: 3MiB, 64b: 6 MiB */
ARENA_SIZE = 600000; /* 32b: 6MiB, 64b: 12 MiB */
#else
ARENA_SIZE = 20000000;
#endif
@ -107,20 +106,11 @@ gc_init ()
MAX_STRING = atoi (p);
long arena_bytes = (ARENA_SIZE + JAM_SIZE) * sizeof (struct scm);
#if !POINTER_CELLS || GC_NOFLIP
long alloc_bytes = arena_bytes + (STACK_SIZE * sizeof (struct scm));
#else
long alloc_bytes = (arena_bytes * 2) + (STACK_SIZE * sizeof (struct scm*));
#endif
g_arena = malloc (alloc_bytes);
g_cells = g_arena;
#if !POINTER_CELLS || GC_NOFLIP
g_stack_array = g_arena + arena_bytes;
#else
g_stack_array = g_arena + (arena_bytes * 2);
#endif
#if !POINTER_CELLS
/* The vector that holds the arenea. */
@ -328,17 +318,7 @@ gc_init_news ()
g_news = g_cells + g_free;
SCM ncell_arena = cell_arena;
#else
#if GC_NOFLIP
g_news = g_free;
#else
char* p = g_cells - M2_CELL_SIZE;
if (p == g_arena)
g_news = g_free;
else
g_news = g_arena;
#endif
SCM ncell_arena = g_news;
#endif
@ -492,8 +472,7 @@ gc_flip ()
if (g_free - g_news > JAM_SIZE)
JAM_SIZE = (g_free - g_news) + ((g_free - g_news) / 2);
#if GC_NOFLIP
cell_arena = g_cells - M2_CELL_SIZE; /* FIXME? */
cell_arena = g_cells - M2_CELL_SIZE; /* For debugging. */
gc_cellcpy (g_cells, g_news, (g_free - g_news) / M2_CELL_SIZE);
long dist = g_news - g_cells;
@ -513,7 +492,6 @@ gc_flip ()
cell_arena = g_news - M2_CELL_SIZE;
cell_zero = cell_arena + M2_CELL_SIZE;
cell_nil = cell_zero + M2_CELL_SIZE;
#endif
#endif
if (g_debug > 2)
@ -693,25 +671,6 @@ gc_ ()
for (s = cell_nil; s < g_symbol_max; s = s + M2_CELL_SIZE)
gc_copy (s);
#if POINTER_CELLS && !GC_NOFLIP
cell_nil = new_cell_nil;
cell_arena = g_news - M2_CELL_SIZE; /* for debugging */
#if GC_TEST
cell_zero = cell_nil - M2_CELL_SIZE;
g_symbol_max = g_free;
#else
long save_gsymbols = g_symbols;
g_symbols = 0;
g_free = new_cell_nil;
init_symbols_ ();
g_symbol_max = g_symbol;
g_symbols = save_gsymbols;
#endif
#endif
#if !GC_TEST
g_symbols = gc_copy (g_symbols);
g_macros = gc_copy (g_macros);
g_ports = gc_copy (g_ports);
@ -720,7 +679,6 @@ gc_ ()
long i;
for (i = g_stack; i < STACK_SIZE; i = i + 1)
copy_stack (i, gc_copy (g_stack_array[i]));
#endif
gc_loop (new_cell_nil);
}
@ -741,9 +699,6 @@ gc ()
}
gc_push_frame ();
gc_ ();
#if POINTER_CELLS && !GC_NOFLIP
gc_ ();
#endif
gc_pop_frame ();
if (g_debug > 5)
{