ROCm/composable_kernel
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Add s_nops after v_dot to avoid hazard (#808)

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* Add s_nops after v_dot to avoid hazard

* Fix builtin for inner_produxt fp16

* Skip inline version to builtin

* Add comments regarding isa

* Fix comment regarding s_nop
This commit is contained in:
Bartłomiej Kocot
2023-07-27 20:29:44 +02:00
committed by GitHub
parent e7dca79d27
commit 7761e5232c
5 changed files with 28 additions and 26 deletions
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8
include/ck/ck.hpp
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@@ -118,8 +118,12 @@
// inline asm
#define CK_USE_AMD_INLINE_ASM 1
// inner product (DLOP)
#define CK_USE_AMD_INNER_PRODUCT_INLINE_ASM 1
// inner product (V_MAC/V_FMAC)
#define CK_USE_AMD_V_MAC_INLINE_ASM 1
// V_DOT inline instructions, less efficient since they require adding
// `s_nop`s to avoid hazard
#define CK_USE_AMD_V_DOT_INLINE_ASM 0
// block synchronization only s_wait lgkmcnt(0), not vmcnt(0)
#define CK_EXPERIMENTAL_BLOCK_SYNC_LDS_WITHOUT_SYNC_VMEM 1