commit 749cf6b5dc0bda8fcc706e48784d603b1d27dd75
author Marat Dukhan <maratek@google.com> Fri Jul 17 16:09:53 2020 -0700
committer XNNPACK Team <xnnpack-github-robot@google.com> Fri Jul 17 16:10:33 2020 -0700
tree d7ef8ae14f5cf19fde508ca5508a3e8ee219bf68
parent 249cd6a11639c8880128aa185284d679280479cb

Remove PSIMD variant of RMAX microkernel

PiperOrigin-RevId: 321874530

BUILD.bazel

diff --git a/BUILD.bazel b/BUILD.bazel
index 4e36cbd..db4129a 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -857,7 +857,6 @@
     "src/f32-pavgpool/9p8x-minmax-psimd-c4.c",
     "src/f32-pavgpool/9x-minmax-psimd-c4.c",
     "src/f32-ppmm/gen/4x8-minmax-psimd.c",
-    "src/f32-rmax/psimd.c",
     "src/x32-fill/psimd.c",
     "src/x32-packx/x4-psimd.c",
     "src/x32-pad/psimd.c",

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7cf45e6..d2cd5c0 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -534,7 +534,6 @@
   src/f32-pavgpool/9p8x-minmax-psimd-c4.c
   src/f32-pavgpool/9x-minmax-psimd-c4.c
   src/f32-ppmm/gen/4x8-minmax-psimd.c
-  src/f32-rmax/psimd.c
   src/f32-spmm/gen/4x1-minmax-psimd.c
   src/f32-spmm/gen/8x1-minmax-psimd.c
   src/f32-spmm/gen/16x1-minmax-psimd.c

src/f32-rmax/psimd.c

diff --git a/src/f32-rmax/psimd.c b/src/f32-rmax/psimd.c
deleted file mode 100644
index 74afbf2..0000000
--- a/src/f32-rmax/psimd.c
+++ /dev/null
@@ -1,53 +0,0 @@
-// Copyright 2019 Google LLC
-//
-// This source code is licensed under the BSD-style license found in the
-// LICENSE file in the root directory of this source tree.
-
-#include <assert.h>
-
-#include <psimd.h>
-
-#include <xnnpack/math.h>
-#include <xnnpack/rmax.h>
-
-
-void xnn_f32_rmax_ukernel__psimd(
-    size_t n,
-    const float* x,
-    float* y)
-{
-  assert(n != 0);
-  assert(n % sizeof(float) == 0);
-
-  psimd_f32 vmax0 = psimd_load_splat_f32(x);
-  psimd_f32 vmax1 = vmax0;
-  psimd_f32 vmax2 = vmax0;
-  psimd_f32 vmax3 = vmax0;
-  for (; n >= 16 * sizeof(float); n -= 16 * sizeof(float)) {
-    const psimd_f32 vx0 = psimd_load_f32(x);
-    const psimd_f32 vx1 = psimd_load_f32(x + 4);
-    const psimd_f32 vx2 = psimd_load_f32(x + 8);
-    const psimd_f32 vx3 = psimd_load_f32(x + 12);
-    x += 16;
-
-    vmax0 = psimd_max_f32(vmax0, vx0);
-    vmax1 = psimd_max_f32(vmax1, vx1);
-    vmax2 = psimd_max_f32(vmax2, vx2);
-    vmax3 = psimd_max_f32(vmax3, vx3);
-  }
-  psimd_f32 vmax0123 = psimd_max_f32(psimd_max_f32(vmax0, vmax1), psimd_max_f32(vmax2, vmax3));
-  for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) {
-    const psimd_f32 vx = psimd_load_f32(x);
-    vmax0123 = psimd_max_f32(vmax0123, vx);
-    x += 4;
-  }
-  float vmax = psimd_reduce_max_f32(vmax0123);
-  if XNN_UNLIKELY(n != 0) {
-    do {
-      const float vx = *x++;
-      vmax = math_max_f32(vx, vmax);
-      n -= 4;
-    } while (n != 0);
-  }
-  *y = vmax;
-}