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Initial support for SkylakeX / AVX512

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This patch adds the basic infrastructure for adding the SkylakeX (Intel Skylake server)
target. The SkylakeX target will use the AVX512 (AVX512VL level) instruction set,
which brings 2 basic things:
1) 512 bit wide SIMD (2x width of AVX2)
2) 32 SIMD registers (2x the number on AVX2)

This initial patch only contains a trivial transofrmation of the Haswell SGEMM kernel
to AVX512VL; more will follow later but this patch aims to get the infrastructure
in place for this "later".

Full performance tuning has not been done yet; with more registers and wider SIMD
it's in theory possible to retune the kernels but even without that there's an
interesting enough performance increase (30-40% range) with just this change.
This commit is contained in:
Arjan van de Ven
2018-06-03 07:24:29 +00:00
parent 36c4523d85
commit 99c7bba8e4
57 changed files with 7034 additions and 47 deletions
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2
kernel/x86/trsm_kernel_LN_2x4_penryn.S
View File

@@ -62,7 +62,7 @@
#define PREFETCHSIZE (8 * 21 + 4)
#endif
#if defined(NEHALEM) || defined(SANDYBRIDGE) || defined(HASWELL)
#if defined(NEHALEM) || defined(SANDYBRIDGE) || defined(HASWELL) || defined (SKYLAKEX)
#define PREFETCH prefetcht0
#define PREFETCHSIZE (8 * 21 + 4)
#endif

2
kernel/x86/trsm_kernel_LN_4x4_penryn.S
View File

@@ -62,7 +62,7 @@
#define PREFETCHSIZE (8 * 21 + 4)
#endif
#if defined(NEHALEM) || defined(SANDYBRIDGE) || defined(HASWELL)
#if defined(NEHALEM) || defined(SANDYBRIDGE) || defined(HASWELL) || defined (SKYLAKEX)
#define PREFETCH prefetcht0
#define PREFETCHSIZE (8 * 21 + 4)
#endif

2
kernel/x86/trsm_kernel_LT_2x4_penryn.S
View File

@@ -62,7 +62,7 @@
#define PREFETCHSIZE (8 * 21 + 4)
#endif
#if defined(NEHALEM) || defined(SANDYBRIDGE) || defined(HASWELL)
#if defined(NEHALEM) || defined(SANDYBRIDGE) || defined(HASWELL) || defined (SKYLAKEX)
#define PREFETCH prefetcht0
#define PREFETCHSIZE (8 * 21 + 4)
#endif

2
kernel/x86/trsm_kernel_LT_4x4_penryn.S
View File

@@ -62,7 +62,7 @@
#define PREFETCHSIZE (8 * 21 + 4)
#endif
#if defined(NEHALEM) || defined(SANDYBRIDGE) || defined(HASWELL)
#if defined(NEHALEM) || defined(SANDYBRIDGE) || defined(HASWELL || defined (SKYLAKEX))
#define PREFETCH prefetcht0
#define PREFETCHSIZE (8 * 21 + 4)
#endif

2
kernel/x86/trsm_kernel_RT_2x4_penryn.S
View File

@@ -62,7 +62,7 @@
#define PREFETCHSIZE (8 * 21 + 4)
#endif
#if defined(NEHALEM) || defined(SANDYBRIDGE) || defined(HASWELL)
#if defined(NEHALEM) || defined(SANDYBRIDGE) || defined(HASWELL) || defined (SKYLAKEX)
#define PREFETCH prefetcht0
#define PREFETCHSIZE (8 * 21 + 4)
#endif

2
kernel/x86/trsm_kernel_RT_4x4_penryn.S
View File

@@ -62,7 +62,7 @@
#define PREFETCHSIZE (8 * 21 + 4)
#endif
#if defined(NEHALEM) || defined(SANDYBRIDGE) || defined(HASWELL)
#if defined(NEHALEM) || defined(SANDYBRIDGE) || defined(HASWELL) || defined (SKYLAKEX)
#define PREFETCH prefetcht0
#define PREFETCHSIZE (8 * 21 + 4)
#endif

2
kernel/x86/ztrsm_kernel_LN_2x2_penryn.S
View File

@@ -61,7 +61,7 @@
#define PREFETCHSIZE 84
#endif
#if defined(NEHALEM) || defined(SANDYBRIDGE) || defined(HASWELL)
#if defined(NEHALEM) || defined(SANDYBRIDGE) || defined(HASWELL) || defined (SKYLAKEX)
#define PREFETCH prefetcht1
#define PREFETCHSIZE 84
#endif

2
kernel/x86/ztrsm_kernel_LT_1x2_penryn.S
View File

@@ -63,7 +63,7 @@
#define PREFETCHSIZE 84
#endif
#if defined(NEHALEM) || defined(SANDYBRIDGE) || defined(HASWELL)
#if defined(NEHALEM) || defined(SANDYBRIDGE) || defined(HASWELL) || defined (SKYLAKEX)
#define PREFETCH prefetcht1
#define PREFETCHSIZE 84
#endif

2
kernel/x86/ztrsm_kernel_LT_2x2_penryn.S
View File

@@ -61,7 +61,7 @@
#define PREFETCHSIZE 84
#endif
#if defined(NEHALEM) || defined(SANDYBRIDGE) || defined(HASWELL)
#if defined(NEHALEM) || defined(SANDYBRIDGE) || defined(HASWELL) || defined (SKYLAKEX)
#define PREFETCH prefetcht1
#define PREFETCHSIZE 84
#endif

2
kernel/x86/ztrsm_kernel_RT_1x2_penryn.S
View File

@@ -63,7 +63,7 @@
#define PREFETCHSIZE 84
#endif
#if defined(NEHALEM) || defined(SANDYBRIDGE) || defined(HASWELL)
#if defined(NEHALEM) || defined(SANDYBRIDGE) || defined(HASWELL) || defined (SKYLAKEX)
#define PREFETCH prefetcht1
#define PREFETCHSIZE 84
#endif

2
kernel/x86/ztrsm_kernel_RT_2x2_penryn.S
View File

@@ -61,7 +61,7 @@
#define PREFETCHSIZE 84
#endif
#if defined(NEHALEM) || defined(SANDYBRIDGE) || defined(HASWELL)
#if defined(NEHALEM) || defined(SANDYBRIDGE) || defined(HASWELL) || defined (SKYLAKEX)
#define PREFETCH prefetcht1
#define PREFETCHSIZE 84
#endif