blob: c7df40ffa2f99b855a394c5fb18d41de567a4c03 [file] [log] [blame]
// 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.
$assert NR % 8 == 0
$ABC = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
#include <assert.h>
#include <immintrin.h>
#include <xnnpack/gemm.h>
$ISA = {0: "avx", 3: "fma3"}[FMA]
void xnn_f32_gemm${"inc" if INC else ""}_ukernel_${MR}x${NR}__${ISA}_broadcast(
size_t mr,
size_t nc,
size_t kc,
const float*restrict a,
size_t a_stride,
const float*restrict w,
float*restrict c,
size_t cm_stride,
size_t cn_stride,
$if INC:
const float*restrict acc,
const union xnn_f32_output_params params[restrict static 1])
{
assert(mr != 0);
assert(mr <= ${MR});
assert(nc != 0);
assert(kc != 0);
assert(kc % sizeof(float) == 0);
assert(a != NULL);
assert(w != NULL);
assert(c != NULL);
$if INC:
assert(acc != NULL);
const float* a0 = a;
float* c0 = c;
$for M in range(1, MR):
const float* a${M} = (const float*) ((uintptr_t) a${M-1} + a_stride);
float* c${M} = (float*) ((uintptr_t) c${M-1} + cm_stride);
$if M % 2 == 0:
if XNN_UNPREDICTABLE(mr <= ${M}) {
a${M} = a${M-1};
c${M} = c${M-1};
}
$elif M + 1 == MR:
if XNN_UNPREDICTABLE(mr != ${M+1}) {
a${M} = a${M-1};
c${M} = c${M-1};
}
$else:
if XNN_UNPREDICTABLE(mr < ${M+1}) {
a${M} = a${M-1};
c${M} = c${M-1};
}
do {
$if INC:
$for M in range(MR):
$for N in range(0, NR, 8):
__m256 vacc${M}x${ABC[N:N+8]} = _mm256_load_ps(acc + ${M*NR+N});
acc += ${MR*NR};
$else:
$for N in range(0, NR, 8):
__m256 vacc0x${ABC[N:N+8]} = _mm256_load_ps(w + ${N});
$for M in range(1, MR):
$for N in range(0, NR, 8):
__m256 vacc${M}x${ABC[N:N+8]} = vacc0x${ABC[N:N+8]};
w += ${NR};
size_t k = kc;
do {
$for M in range(MR):
const __m256 va${M} = _mm256_broadcast_ss(a${M});
a${M} += 1;
const __m256 vb${ABC[0:8]} = _mm256_load_ps(w);
$for N in range(8, NR, 8):
const __m256 vb${ABC[N:N+8]} = _mm256_load_ps(w + ${N});
w += ${NR};
$for N in range(0, NR, 8):
$for M in range(MR):
$if FMA == 3:
vacc${M}x${ABC[N:N+8]} = _mm256_fmadd_ps(va${M}, vb${ABC[N:N+8]}, vacc${M}x${ABC[N:N+8]});
$else:
vacc${M}x${ABC[N:N+8]} = _mm256_add_ps(vacc${M}x${ABC[N:N+8]}, _mm256_mul_ps(va${M}, vb${ABC[N:N+8]}));
k -= sizeof(float);
} while (k != 0);
const __m256 vmax = _mm256_broadcast_ps((const __m128*) params->sse.max);
$for N in range(0, NR, 8):
$for M in range(MR):
vacc${M}x${ABC[N:N+8]} = _mm256_min_ps(vacc${M}x${ABC[N:N+8]}, vmax);
const __m256 vmin = _mm256_broadcast_ps((const __m128*) params->sse.min);
$for N in range(0, NR, 8):
$for M in range(MR):
vacc${M}x${ABC[N:N+8]} = _mm256_max_ps(vacc${M}x${ABC[N:N+8]}, vmin);
if XNN_LIKELY(nc >= ${NR}) {
$for M in reversed(range(MR)):
_mm256_storeu_ps(c${M}, vacc${M}x${ABC[0:8]});
$for N in range(8, NR, 8):
_mm256_storeu_ps(c${M} + ${N}, vacc${M}x${ABC[N:N+8]});
c${M} = (float*) ((uintptr_t) c${M} + cn_stride);
$for M in reversed(range(MR)):
a${M} = (const float*) ((uintptr_t) a${M} - kc);
nc -= ${NR};
} else {
$for LOG2N in reversed(range(NR.bit_length())):
$if NR != 1 << LOG2N:
if (nc & ${1 << LOG2N}) {
$if LOG2N >= 3:
$for M in reversed(range(MR)):
_mm256_storeu_ps(c${M}, vacc${M}x${ABC[0:8]});
$for N in range(8, 1 << LOG2N, 8):
_mm256_storeu_ps(c${M} + ${N}, vacc${M}x${ABC[N:N+8]});
$for M in reversed(range(MR)):
$for N in range(0, 1 << (LOG2N - 1), 8):
vacc${M}x${ABC[N:N+8]} = vacc${M}x${ABC[N + (1 << LOG2N):N + (1 << LOG2N)+8]};
$for M in reversed(range(MR)):
c${M} += ${1 << LOG2N};
$elif LOG2N == 2:
$for M in reversed(range(MR)):
_mm_storeu_ps(c${M}, vacc${M}x${ABC[0:4]});
$for M in reversed(range(MR)):
vacc${M}x${ABC[0:4]} = _mm256_extractf128_ps(vacc${M}x${ABC[0:8]}, 1);
$for M in reversed(range(MR)):
c${M} += 4;
$elif LOG2N == 1:
$for M in reversed(range(MR)):
_mm_storel_pi((__m64*) c${M}, vacc${M}x${ABC[0:4]});
$for M in reversed(range(MR)):
vacc${M}x${ABC[0:4]} = _mm_movehl_ps(vacc${M}x${ABC[0:4]}, vacc${M}x${ABC[0:4]});
$for M in reversed(range(MR)):
c${M} += 2;
$elif LOG2N == 0:
$for M in reversed(range(MR)):
_mm_store_ss(c${M}, vacc${M}x${ABC[0:4]});
}
$if LOG2N == 3:
$for M in reversed(range(MR)):
__m128 vacc${M}x${ABC[0:4]} = _mm256_castps256_ps128(vacc${M}x${ABC[0:8]});
nc = 0;
}
} while (nc != 0);
}