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Diffstat (limited to 'src/lib/netlist/plib/pconfig.h')
-rw-r--r--src/lib/netlist/plib/pconfig.h19
1 files changed, 16 insertions, 3 deletions
diff --git a/src/lib/netlist/plib/pconfig.h b/src/lib/netlist/plib/pconfig.h
index 984ed944acb..99643139de7 100644
--- a/src/lib/netlist/plib/pconfig.h
+++ b/src/lib/netlist/plib/pconfig.h
@@ -41,7 +41,7 @@
/// Set this to one if you want to use aligned storage optimizations.
///
#ifndef PUSE_ALIGNED_OPTIMIZATIONS
-#define PUSE_ALIGNED_OPTIMIZATIONS (0)
+#define PUSE_ALIGNED_OPTIMIZATIONS (1)
#endif
/// \brief Use aligned allocations.
@@ -63,15 +63,28 @@
/// \brief Number of bytes for cache line alignment
///
-#define PALIGN_CACHELINE (16)
+#define PALIGN_CACHELINE (64)
/// \brief Number of bytes for vector alignment
///
-#define PALIGN_VECTOROPT (16)
+#define PALIGN_VECTOROPT (32)
+
+#define PALIGN_MIN_SIZE (16)
#define PALIGNAS_CACHELINE() PALIGNAS(PALIGN_CACHELINE)
#define PALIGNAS_VECTOROPT() PALIGNAS(PALIGN_VECTOROPT)
+/// brief default minimum alignment of mempool_arena
+///
+/// 256 is the best compromise between logic applications like MAME
+/// TTL games (e.g. pong) and analog applications like e.g. kidnikik sound.
+///
+/// Best performance for pong is achieved with a value of 16, but this degrades
+/// kidniki performance by ~10%.
+///
+/// More work is needed here.
+#define PMEMPOOL_ALIGN (256)
+
// FIXME: Breaks mame build on windows mingw due to -Wattribute
// also triggers -Wattribute on ARM
// This is fixed on mingw version 10