mirror of
https://github.com/paboyle/Grid.git
synced 2024-11-10 07:55:35 +00:00
38 lines
1.3 KiB
C
38 lines
1.3 KiB
C
|
#pragma once
|
||
|
|
namespace Grid {
|
||
|
|
// L1p optimisation
|
||
|
|
inline void bgq_l1p_optimisation(int mode)
|
||
|
|
{
|
||
|
|
#ifdef QPX
|
||
|
|
#undef L1P_CFG_PF_USR
|
||
|
|
#define L1P_CFG_PF_USR (0x3fde8000108ll) /* (64 bit reg, 23 bits wide, user/unpriv) */
|
||
|
|
|
||
|
|
uint64_t cfg_pf_usr;
|
||
|
|
if ( mode ) {
|
||
|
|
cfg_pf_usr =
|
||
|
|
L1P_CFG_PF_USR_ifetch_depth(0)
|
||
|
|
| L1P_CFG_PF_USR_ifetch_max_footprint(1)
|
||
|
|
| L1P_CFG_PF_USR_pf_stream_est_on_dcbt
|
||
|
|
| L1P_CFG_PF_USR_pf_stream_establish_enable
|
||
|
|
| L1P_CFG_PF_USR_pf_stream_optimistic
|
||
|
|
| L1P_CFG_PF_USR_pf_adaptive_throttle(0xF) ;
|
||
|
|
// if ( sizeof(Float) == sizeof(double) ) {
|
||
|
|
cfg_pf_usr |= L1P_CFG_PF_USR_dfetch_depth(2)| L1P_CFG_PF_USR_dfetch_max_footprint(3) ;
|
||
|
|
// } else {
|
||
|
|
// cfg_pf_usr |= L1P_CFG_PF_USR_dfetch_depth(1)| L1P_CFG_PF_USR_dfetch_max_footprint(2) ;
|
||
|
|
// }
|
||
|
|
} else {
|
||
|
|
cfg_pf_usr = L1P_CFG_PF_USR_dfetch_depth(1)
|
||
|
|
| L1P_CFG_PF_USR_dfetch_max_footprint(2)
|
||
|
|
| L1P_CFG_PF_USR_ifetch_depth(0)
|
||
|
|
| L1P_CFG_PF_USR_ifetch_max_footprint(1)
|
||
|
|
| L1P_CFG_PF_USR_pf_stream_est_on_dcbt
|
||
|
|
| L1P_CFG_PF_USR_pf_stream_establish_enable
|
||
|
|
| L1P_CFG_PF_USR_pf_stream_optimistic
|
||
|
|
| L1P_CFG_PF_USR_pf_stream_prefetch_enable;
|
||
|
|
}
|
||
|
|
*((uint64_t *)L1P_CFG_PF_USR) = cfg_pf_usr;
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
}
|