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Use SVE kernel for SGEMM/DGEMM on Arm(R) Neoverse(TM) V1 

After #3868, the SVE kernels represent a pretty good boost.

This re-uses ARMV8SVE as a base and I'm going to incrementally move everything to use ARMV8SVE in additional patches (as well as fix up anything that's not already in ARMV8SVE).
This commit is contained in:
Chris Sidebottom 2022-12-16 18:01:16 +00:00
parent 84a1d76d1e
commit 7121e16684
2 changed files with 20 additions and 134 deletions
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136
kernel/arm64/KERNEL.NEOVERSEV1
View File

@ -1,75 +1,8 @@
SAMINKERNEL = ../arm/amin.c
DAMINKERNEL = ../arm/amin.c
CAMINKERNEL = ../arm/zamin.c
ZAMINKERNEL = ../arm/zamin.c
# Copyright 2022 Arm Limited and/or its affiliates <open-source-office@arm.com>
SMAXKERNEL = ../arm/max.c
DMAXKERNEL = ../arm/max.c
include $(KERNELDIR)/KERNEL.ARMV8SVE
SMINKERNEL = ../arm/min.c
DMINKERNEL = ../arm/min.c
ISAMINKERNEL = ../arm/iamin.c
IDAMINKERNEL = ../arm/iamin.c
ICAMINKERNEL = ../arm/izamin.c
IZAMINKERNEL = ../arm/izamin.c
ISMAXKERNEL = ../arm/imax.c
IDMAXKERNEL = ../arm/imax.c
ISMINKERNEL = ../arm/imin.c
IDMINKERNEL = ../arm/imin.c
STRSMKERNEL_LN = ../generic/trsm_kernel_LN.c
STRSMKERNEL_LT = ../generic/trsm_kernel_LT.c
STRSMKERNEL_RN = ../generic/trsm_kernel_RN.c
STRSMKERNEL_RT = ../generic/trsm_kernel_RT.c
DTRSMKERNEL_LN = ../generic/trsm_kernel_LN.c
DTRSMKERNEL_LT = ../generic/trsm_kernel_LT.c
DTRSMKERNEL_RN = ../generic/trsm_kernel_RN.c
DTRSMKERNEL_RT = ../generic/trsm_kernel_RT.c
CTRSMKERNEL_LN = ../generic/trsm_kernel_LN.c
CTRSMKERNEL_LT = ../generic/trsm_kernel_LT.c
CTRSMKERNEL_RN = ../generic/trsm_kernel_RN.c
CTRSMKERNEL_RT = ../generic/trsm_kernel_RT.c
ZTRSMKERNEL_LN = ../generic/trsm_kernel_LN.c
ZTRSMKERNEL_LT = ../generic/trsm_kernel_LT.c
ZTRSMKERNEL_RN = ../generic/trsm_kernel_RN.c
ZTRSMKERNEL_RT = ../generic/trsm_kernel_RT.c
SAMAXKERNEL = amax.S
DAMAXKERNEL = amax.S
CAMAXKERNEL = zamax.S
ZAMAXKERNEL = zamax.S
SAXPYKERNEL = axpy.S
DAXPYKERNEL = daxpy_thunderx2t99.S
CAXPYKERNEL = zaxpy.S
ZAXPYKERNEL = zaxpy.S
SROTKERNEL = rot.S
DROTKERNEL = rot.S
CROTKERNEL = zrot.S
ZROTKERNEL = zrot.S
SSCALKERNEL = scal.S
DSCALKERNEL = scal.S
CSCALKERNEL = zscal.S
ZSCALKERNEL = zscal.S
SGEMVNKERNEL = gemv_n.S
DGEMVNKERNEL = gemv_n.S
CGEMVNKERNEL = zgemv_n.S
ZGEMVNKERNEL = zgemv_n.S
SGEMVTKERNEL = gemv_t.S
DGEMVTKERNEL = gemv_t.S
CGEMVTKERNEL = zgemv_t.S
ZGEMVTKERNEL = zgemv_t.S
SASUMKERNEL = sasum_thunderx2t99.c
DASUMKERNEL = dasum_thunderx2t99.c
@ -100,67 +33,6 @@ DDOTKERNEL = dot.c
SDOTKERNEL = dot.c
CDOTKERNEL = zdot_thunderx2t99.c
ZDOTKERNEL = zdot_thunderx2t99.c
DSDOTKERNEL = dot.S
DGEMM_BETA = dgemm_beta.S
SGEMM_BETA = sgemm_beta.S
SGEMMKERNEL = sgemm_kernel_$(SGEMM_UNROLL_M)x$(SGEMM_UNROLL_N).S
STRMMKERNEL = strmm_kernel_$(SGEMM_UNROLL_M)x$(SGEMM_UNROLL_N).S
ifneq ($(SGEMM_UNROLL_M), $(SGEMM_UNROLL_N))
ifeq ($(SGEMM_UNROLL_M), 16)
SGEMMITCOPY = sgemm_tcopy_$(SGEMM_UNROLL_M).S
else
SGEMMITCOPY = ../generic/gemm_tcopy_$(SGEMM_UNROLL_M).c
endif
ifeq ($(SGEMM_UNROLL_M), 4)
SGEMMINCOPY = sgemm_ncopy_$(SGEMM_UNROLL_M).S
else
SGEMMINCOPY = ../generic/gemm_ncopy_$(SGEMM_UNROLL_M).c
endif
SGEMMINCOPYOBJ = sgemm_incopy$(TSUFFIX).$(SUFFIX)
SGEMMITCOPYOBJ = sgemm_itcopy$(TSUFFIX).$(SUFFIX)
endif
ifeq ($(SGEMM_UNROLL_N), 16)
SGEMMOTCOPY = sgemm_tcopy_$(SGEMM_UNROLL_N).S
else
SGEMMOTCOPY = ../generic/gemm_tcopy_$(SGEMM_UNROLL_N).c
endif
ifeq ($(SGEMM_UNROLL_N), 4)
SGEMMONCOPY = sgemm_ncopy_$(SGEMM_UNROLL_N).S
else
SGEMMONCOPY = ../generic/gemm_ncopy_$(SGEMM_UNROLL_N).c
endif
SGEMMONCOPYOBJ = sgemm_oncopy$(TSUFFIX).$(SUFFIX)
SGEMMOTCOPYOBJ = sgemm_otcopy$(TSUFFIX).$(SUFFIX)
DGEMMKERNEL = dgemm_kernel_$(DGEMM_UNROLL_M)x$(DGEMM_UNROLL_N).S
DTRMMKERNEL = dtrmm_kernel_$(DGEMM_UNROLL_M)x$(DGEMM_UNROLL_N).S
ifneq ($(DGEMM_UNROLL_M), $(DGEMM_UNROLL_N))
ifeq ($(DGEMM_UNROLL_M), 8)
DGEMMINCOPY = dgemm_ncopy_$(DGEMM_UNROLL_M).S
DGEMMITCOPY = dgemm_tcopy_$(DGEMM_UNROLL_M).S
else
DGEMMINCOPY = ../generic/gemm_ncopy_$(DGEMM_UNROLL_M).c
DGEMMITCOPY = ../generic/gemm_tcopy_$(DGEMM_UNROLL_M).c
endif
DGEMMINCOPYOBJ = dgemm_incopy$(TSUFFIX).$(SUFFIX)
DGEMMITCOPYOBJ = dgemm_itcopy$(TSUFFIX).$(SUFFIX)
endif
ifeq ($(DGEMM_UNROLL_N), 4)
DGEMMONCOPY = dgemm_ncopy_$(DGEMM_UNROLL_N).S
DGEMMOTCOPY = dgemm_tcopy_$(DGEMM_UNROLL_N).S
else
DGEMMONCOPY = ../generic/gemm_ncopy_$(DGEMM_UNROLL_N).c
DGEMMOTCOPY = ../generic/gemm_tcopy_$(DGEMM_UNROLL_N).c
endif
DGEMMONCOPYOBJ = dgemm_oncopy$(TSUFFIX).$(SUFFIX)
DGEMMOTCOPYOBJ = dgemm_otcopy$(TSUFFIX).$(SUFFIX)
CGEMMKERNEL = cgemm_kernel_$(CGEMM_UNROLL_M)x$(CGEMM_UNROLL_N).S
CTRMMKERNEL = ctrmm_kernel_$(CGEMM_UNROLL_M)x$(CGEMM_UNROLL_N).S
@ -182,6 +54,10 @@ ZGEMMINCOPY = ../generic/zgemm_ncopy_$(ZGEMM_UNROLL_M).c
ZGEMMITCOPY = ../generic/zgemm_tcopy_$(ZGEMM_UNROLL_M).c
ZGEMMINCOPYOBJ = zgemm_incopy$(TSUFFIX).$(SUFFIX)
ZGEMMITCOPYOBJ = zgemm_itcopy$(TSUFFIX).$(SUFFIX)
else
# TODO(Mousius) - check performance of the SVE kernels again and remove this
ZGEMMINCOPYOBJ =
ZGEMMITCOPYOBJ =
endif
ZGEMMONCOPY = ../generic/zgemm_ncopy_$(ZGEMM_UNROLL_N).c
ZGEMMOTCOPY = ../generic/zgemm_tcopy_$(ZGEMM_UNROLL_N).c

18
param.h
View File

@ -3369,11 +3369,21 @@ is a big desktop or server with abundant cache rather than a phone or embedded d
#define SWITCH_RATIO 16
#define SGEMM_DEFAULT_UNROLL_M 16
#define SGEMM_DEFAULT_UNROLL_N 4
/* When all BLAS3 routines are implemeted with SVE, SGEMM_DEFAULT_UNROLL_M should be "sve_vl".
Until then, just keep it different than DGEMM_DEFAULT_UNROLL_N to keep copy routines in both directions seperated. */
#define SGEMM_DEFAULT_UNROLL_M 4
#define SGEMM_DEFAULT_UNROLL_N 8
/* SGEMM_UNROLL_MN is calculated as max(SGEMM_UNROLL_M, SGEMM_UNROLL_N)
* Since we don't define SGEMM_UNROLL_M correctly we have to manually set this macro.
* If SVE size is ever more than 1024, this should be increased also. */
#define SGEMM_DEFAULT_UNROLL_MN 32
#define DGEMM_DEFAULT_UNROLL_M 8
#define DGEMM_DEFAULT_UNROLL_N 4
/* When all BLAS3 routines are implemeted with SVE, DGEMM_DEFAULT_UNROLL_M should be "sve_vl".
Until then, just keep it different than DGEMM_DEFAULT_UNROLL_N to keep copy routines in both directions seperated. */
#define DGEMM_DEFAULT_UNROLL_M 2
#define DGEMM_DEFAULT_UNROLL_N 8
#define DGEMM_DEFAULT_UNROLL_MN 32
#define CGEMM_DEFAULT_UNROLL_M 8
#define CGEMM_DEFAULT_UNROLL_N 4