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[OpenBLAS_jll] Update to new build with BFloat16 kernels (JuliaLang#5…
…3059) This also * drops a patch (`deps/patches/neoverse-generic-kernels.patch`) not needed anymore for an [old bug](OpenMathLib/OpenBLAS#2998) fixed upstream in OpenBLAS. This results in ~5x speedup in the computation of `BLAS.nrm2` (and hence `LinearAlgebra.norm` for vectors longer than `LinearAlgebra.NRM2_CUTOFF` (== 32) elements) when the neoversen1 kernels are used, e.g. by default on all Apple Silicon CPUs * adds a regression test for the above bug * updates other patches when building openblas from source Corresponding PR in Yggdrasil: JuliaPackaging/Yggdrasil#7202.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| From 1dada6d65d89d19b2cf89b12169f6b2196c90f1d Mon Sep 17 00:00:00 2001 | ||
| From: Martin Kroeker <[email protected]> | ||
| Date: Fri, 12 Jan 2024 00:10:56 +0100 | ||
| Subject: [PATCH 1/2] Add compiler test and flag for AVX512BF16 capability | ||
|
|
||
| --- | ||
| c_check | 22 ++++++++++++++++++++++ | ||
| 1 file changed, 22 insertions(+) | ||
|
|
||
| diff --git a/c_check b/c_check | ||
| index b5e4a9ad00..3e507be818 100755 | ||
| --- a/c_check | ||
| +++ b/c_check | ||
| @@ -244,6 +244,7 @@ case "$data" in | ||
| esac | ||
|
|
||
| no_avx512=0 | ||
| +no_avx512bf=0 | ||
| if [ "$architecture" = "x86" ] || [ "$architecture" = "x86_64" ]; then | ||
| tmpd=$(mktemp -d 2>/dev/null || mktemp -d -t 'OBC') | ||
| tmpf="$tmpd/a.c" | ||
| @@ -262,6 +263,25 @@ if [ "$architecture" = "x86" ] || [ "$architecture" = "x86_64" ]; then | ||
| } | ||
|
|
||
| rm -rf "$tmpd" | ||
| + if [ "$no_avx512" -eq 0 ]; then | ||
| + tmpd=$(mktemp -d 2>/dev/null || mktemp -d -t 'OBC') | ||
| + tmpf="$tmpd/a.c" | ||
| + code='"__m512 a= _mm512_dpbf16_ps(a, (__m512bh) _mm512_loadu_si512(%1]), (__m512bh) _mm512_loadu_si512(%2]));"' | ||
| + printf "#include <immintrin.h>\n\nint main(void){ %s; }\n" "$code" >> "$tmpf" | ||
| + if [ "$compiler" = "PGI" ]; then | ||
| + args=" -tp cooperlake -c -o $tmpf.o $tmpf" | ||
| + else | ||
| + args=" -march=cooperlake -c -o $tmpf.o $tmpf" | ||
| + fi | ||
| + no_avx512bf=0 | ||
| + { | ||
| + $compiler_name $flags $args >/dev/null 2>&1 | ||
| + } || { | ||
| + no_avx512bf=1 | ||
| + } | ||
| + | ||
| + rm -rf "$tmpd" | ||
| + fi | ||
| fi | ||
|
|
||
| no_rv64gv=0 | ||
| @@ -409,6 +429,7 @@ done | ||
| [ "$makefile" = "-" ] && { | ||
| [ "$no_rv64gv" -eq 1 ] && printf "NO_RV64GV=1\n" | ||
| [ "$no_avx512" -eq 1 ] && printf "NO_AVX512=1\n" | ||
| + [ "$no_avx512bf" -eq 1 ] && printf "NO_AVX512BF16=1\n" | ||
| [ "$no_avx2" -eq 1 ] && printf "NO_AVX2=1\n" | ||
| [ "$oldgcc" -eq 1 ] && printf "OLDGCC=1\n" | ||
| exit 0 | ||
| @@ -437,6 +458,7 @@ done | ||
| [ "$no_sve" -eq 1 ] && printf "NO_SVE=1\n" | ||
| [ "$no_rv64gv" -eq 1 ] && printf "NO_RV64GV=1\n" | ||
| [ "$no_avx512" -eq 1 ] && printf "NO_AVX512=1\n" | ||
| + [ "$no_avx512bf" -eq 1 ] && printf "NO_AVX512BF16=1\n" | ||
| [ "$no_avx2" -eq 1 ] && printf "NO_AVX2=1\n" | ||
| [ "$oldgcc" -eq 1 ] && printf "OLDGCC=1\n" | ||
| [ "$no_lsx" -eq 1 ] && printf "NO_LSX=1\n" | ||
|
|
||
| From 995a990e24fdcc8080128a8abc17b4ccc66bd4fd Mon Sep 17 00:00:00 2001 | ||
| From: Martin Kroeker <[email protected]> | ||
| Date: Fri, 12 Jan 2024 00:12:46 +0100 | ||
| Subject: [PATCH 2/2] Make AVX512 BFLOAT16 kernels conditional on compiler | ||
| capability | ||
|
|
||
| --- | ||
| kernel/x86_64/KERNEL.COOPERLAKE | 3 ++- | ||
| kernel/x86_64/KERNEL.SAPPHIRERAPIDS | 2 ++ | ||
| 2 files changed, 4 insertions(+), 1 deletion(-) | ||
|
|
||
| diff --git a/kernel/x86_64/KERNEL.COOPERLAKE b/kernel/x86_64/KERNEL.COOPERLAKE | ||
| index dba94aea86..22b042029f 100644 | ||
| --- a/kernel/x86_64/KERNEL.COOPERLAKE | ||
| +++ b/kernel/x86_64/KERNEL.COOPERLAKE | ||
| @@ -1,5 +1,5 @@ | ||
| include $(KERNELDIR)/KERNEL.SKYLAKEX | ||
| - | ||
| +ifneq ($(NO_AVX512BF16), 1) | ||
| SBGEMM_SMALL_M_PERMIT = sbgemm_small_kernel_permit_cooperlake.c | ||
| SBGEMM_SMALL_K_NN = sbgemm_small_kernel_nn_cooperlake.c | ||
| SBGEMM_SMALL_K_B0_NN = sbgemm_small_kernel_nn_cooperlake.c | ||
| @@ -20,3 +20,4 @@ SBGEMMINCOPYOBJ = sbgemm_incopy$(TSUFFIX).$(SUFFIX) | ||
| SBGEMMITCOPYOBJ = sbgemm_itcopy$(TSUFFIX).$(SUFFIX) | ||
| SBGEMMONCOPYOBJ = sbgemm_oncopy$(TSUFFIX).$(SUFFIX) | ||
| SBGEMMOTCOPYOBJ = sbgemm_otcopy$(TSUFFIX).$(SUFFIX) | ||
| +endif | ||
| diff --git a/kernel/x86_64/KERNEL.SAPPHIRERAPIDS b/kernel/x86_64/KERNEL.SAPPHIRERAPIDS | ||
| index 3a832e9174..0ab2b4ddcf 100644 | ||
| --- a/kernel/x86_64/KERNEL.SAPPHIRERAPIDS | ||
| +++ b/kernel/x86_64/KERNEL.SAPPHIRERAPIDS | ||
| @@ -1,5 +1,6 @@ | ||
| include $(KERNELDIR)/KERNEL.COOPERLAKE | ||
|
|
||
| +ifneq ($(NO_AVX512BF16), 1) | ||
| SBGEMM_SMALL_M_PERMIT = | ||
| SBGEMM_SMALL_K_NN = | ||
| SBGEMM_SMALL_K_B0_NN = | ||
| @@ -20,3 +21,4 @@ SBGEMMINCOPYOBJ = sbgemm_incopy$(TSUFFIX).$(SUFFIX) | ||
| SBGEMMITCOPYOBJ = sbgemm_itcopy$(TSUFFIX).$(SUFFIX) | ||
| SBGEMMONCOPYOBJ = sbgemm_oncopy$(TSUFFIX).$(SUFFIX) | ||
| SBGEMMOTCOPYOBJ = sbgemm_otcopy$(TSUFFIX).$(SUFFIX) | ||
| +endif |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| From 03688a42622cf76e696859ce384e45aa26d927fc Mon Sep 17 00:00:00 2001 | ||
| From: Ian McInerney <[email protected]> | ||
| Date: Tue, 23 Jan 2024 10:29:57 +0000 | ||
| Subject: [PATCH] Build with proper aarch64 flags on Neoverse Darwin | ||
|
|
||
| We aren't affected by the problems in AppleClang that prompted this | ||
| fallback to an older architecture. | ||
| --- | ||
| Makefile.arm64 | 8 ++++---- | ||
| 1 file changed, 4 insertions(+), 4 deletions(-) | ||
|
|
||
| diff --git a/Makefile.arm64 b/Makefile.arm64 | ||
| index ed52a9424..a8f3cb0f0 100644 | ||
| --- a/Makefile.arm64 | ||
| +++ b/Makefile.arm64 | ||
| @@ -135,11 +135,11 @@ ifeq ($(CORE), NEOVERSEN2) | ||
| ifeq (1, $(filter 1,$(GCCVERSIONGTEQ7) $(ISCLANG))) | ||
| ifeq (1, $(filter 1,$(GCCVERSIONGTEQ10) $(ISCLANG))) | ||
| ifeq (1, $(filter 1,$(GCCMINORVERSIONGTEQ4) $(GCCVERSIONGTEQ11) $(ISCLANG))) | ||
| -ifneq ($(OSNAME), Darwin) | ||
| +#ifneq ($(OSNAME), Darwin) | ||
| CCOMMON_OPT += -march=armv8.5-a+sve+sve2+bf16 -mtune=neoverse-n2 | ||
| -else | ||
| -CCOMMON_OPT += -march=armv8.2-a -mtune=cortex-a72 | ||
| -endif | ||
| +#else | ||
| +#CCOMMON_OPT += -march=armv8.2-a -mtune=cortex-a72 | ||
| +#endif | ||
| ifneq ($(F_COMPILER), NAG) | ||
| FCOMMON_OPT += -march=armv8.5-a+sve+sve2+bf16 -mtune=neoverse-n2 | ||
| endif | ||
| -- | ||
| 2.43.0 | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| From d2fc4f3b4d7f41527bc7dc8f62e9aa6229cfac89 Mon Sep 17 00:00:00 2001 | ||
| From: Martin Kroeker <[email protected]> | ||
| Date: Wed, 17 Jan 2024 20:59:24 +0100 | ||
| Subject: [PATCH] Increase multithreading threshold by a factor of 50 | ||
|
|
||
| --- | ||
| interface/gemv.c | 2 +- | ||
| 1 file changed, 1 insertion(+), 1 deletion(-) | ||
|
|
||
| diff --git a/interface/gemv.c b/interface/gemv.c | ||
| index 1f07635799..2c121f1308 100644 | ||
| --- a/interface/gemv.c | ||
| +++ b/interface/gemv.c | ||
| @@ -226,7 +226,7 @@ void CNAME(enum CBLAS_ORDER order, | ||
|
|
||
| #ifdef SMP | ||
|
|
||
| - if ( 1L * m * n < 2304L * GEMM_MULTITHREAD_THRESHOLD ) | ||
| + if ( 1L * m * n < 115200L * GEMM_MULTITHREAD_THRESHOLD ) | ||
| nthreads = 1; | ||
| else | ||
| nthreads = num_cpu_avail(2); |
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