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提交 e909ffa4 编写于 作者: Y yiicy 提交者： TianXiaogang
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[cherry-pick][ARM] armv7 improve sgemmc4 small kernel speed by add 4x8 block, test=develop (#2486) 

* unfinish sgemmc4

* finish armv8 sgemmc4

* arm add sgemmc4 with deal with remain

* [ARM] add sgemmc4 small kernel, test=develop

* [ARM] sgemmc4 small improve armv7 speed by add 4x8 block, test=develop
上级 922f6344
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Showing with 84 addition and 68 deletion
lite/backends/arm/math/packed_sgemm_c4.cc
浏览文件 @ e909ffa4
......@@ -930,75 +930,90 @@ void sgemm_prepack_c4_small(int M,
b += 4;
}
#else
for (; n > 5; n -= 6) {
for (; n > 7; n -= 8) {
int cnt = kcnt;
const float* a_ptr = A_packed;
const float* b_ptr = b;
// clang-format off
asm volatile(
"vld1.32 {d8-d9}, [%[bias]] \n"
"vld1.32 {d6-d7}, [%[bias]] \n"
/* load a0, a1 */
"vld1.32 {d12-d15}, [%[a]]! \n"
"vld1.32 {d8-d11}, [%[a]]! \n"
/* mov bias to c0-c7*/
"vmov.u32 q10, q4 \n"
"vmov.u32 q11, q4 \n"
"vmov.u32 q12, q4 \n"
/* load b0-b3 */
"vld1.32 {d0-d3}, [%[b]]!\n"
"vld1.32 {d4-d7}, [%[b]]!\n"
"vmov.u32 q13, q4 \n"
"vmov.u32 q14, q4 \n"
"vmov.u32 q15, q4 \n"
"vmov.u32 q8, q3 \n"
"vmov.u32 q9, q3 \n"
"vmov.u32 q10, q3 \n"
"vmov.u32 q11, q3 \n"
/* load b0, b1 */
"vld1.32 {d0-d3}, [%[b]]! \n"
"vmov.u32 q12, q3 \n"
"vmov.u32 q13, q3 \n"
"vmov.u32 q14, q3 \n"
"vmov.u32 q15, q3 \n"
"1:\n"
/* load b4, b5 */
"vld1.32 {d8-d11}, [%[b]]! \n"
/* load b2, b3 */
"vld1.32 {d4-d7}, [%[b]]! \n"
/* load a2, a3 */
"vld1.32 {d16-d19}, [%[a]]!\n"
"vmla.f32 q10, q6, d0[0] \n"
"vmla.f32 q11, q6, d2[0] \n"
"vmla.f32 q12, q6, d4[0] \n"
"vmla.f32 q13, q6, d6[0] \n"
"vmla.f32 q14, q6, d8[0] \n"
"vmla.f32 q15, q6, d10[0] \n"
"sub %[b], %[b], #96 \n"
"vmla.f32 q10, q7, d0[1] \n"
"vmla.f32 q11, q7, d2[1] \n"
"vmla.f32 q12, q7, d4[1] \n"
"vmla.f32 q13, q7, d6[1] \n"
"vmla.f32 q14, q7, d8[1] \n"
"vmla.f32 q15, q7, d10[1] \n"
"add %[b], %[b], %[ldb] \n"
"vld1.32 {d12-d15}, [%[a]]! \n"
"vmla.f32 q8, q4, d0[0] \n"
"vmla.f32 q9, q4, d2[0] \n"
"vmla.f32 q10, q4, d4[0] \n"
"vmla.f32 q11, q4, d6[0] \n"
"pld [%[b]] \n"
/* load a0, a1 */
"vld1.32 {d12-d15}, [%[a]]!\n"
"vmla.f32 q10, q8, d1[0] \n"
"vmla.f32 q11, q8, d3[0] \n"
"vmla.f32 q12, q8, d5[0] \n"
"vmla.f32 q13, q8, d7[0] \n"
"vmla.f32 q8, q5, d0[1] \n"
"vmla.f32 q9, q5, d2[1] \n"
"vmla.f32 q10, q5, d4[1] \n"
"vmla.f32 q11, q5, d6[1] \n"
"subs %[cnt], %[cnt], #1 \n"
"vmla.f32 q8, q6, d1[0] \n"
"vmla.f32 q9, q6, d3[0] \n"
"vmla.f32 q10, q6, d5[0] \n"
"vmla.f32 q11, q6, d7[0] \n"
"pld [%[b], #64] \n"
"vmla.f32 q10, q9, d1[1] \n"
"vmla.f32 q11, q9, d3[1] \n"
/* load b0, b1 */
"vmla.f32 q8, q7, d1[1] \n"
"vmla.f32 q9, q7, d3[1] \n"
/* load b4, b5 */
"vld1.32 {d0-d3}, [%[b]]! \n"
"vmla.f32 q14, q8, d9[0] \n"
"vmla.f32 q15, q8, d11[0] \n"
"vmla.f32 q12, q9, d5[1] \n"
"vmla.f32 q13, q9, d7[1] \n"
"vmla.f32 q14, q9, d9[1] \n"
"vmla.f32 q15, q9, d11[1] \n"
/* load b2, b3 */
"vmla.f32 q10, q7, d5[1] \n"
"vmla.f32 q11, q7, d7[1] \n"
/* load b6, b7 */
"vld1.32 {d4-d7}, [%[b]]! \n"
"subs %[cnt], %[cnt], #1 \n"
"vmla.f32 q12, q4, d0[0] \n"
"vmla.f32 q13, q4, d2[0] \n"
"vmla.f32 q14, q4, d4[0] \n"
"vmla.f32 q15, q4, d6[0] \n"
"sub %[b], %[b], #128 \n"
"vmla.f32 q12, q5, d0[1] \n"
"vmla.f32 q13, q5, d2[1] \n"
"vmla.f32 q14, q5, d4[1] \n"
"vmla.f32 q15, q5, d6[1] \n"
"add %[b], %[b], %[ldb] \n"
"vmla.f32 q12, q6, d1[0] \n"
"vmla.f32 q13, q6, d3[0] \n"
"vmla.f32 q14, q6, d5[0] \n"
"vmla.f32 q15, q6, d7[0] \n"
/* load a0, a1 */
"vld1.32 {d8-d11}, [%[a]]! \n"
"vmla.f32 q12, q7, d1[1] \n"
"vmla.f32 q13, q7, d3[1] \n"
/* load b0, b1 */
"vld1.32 {d0-d3}, [%[b]]! \n"
"vmla.f32 q14, q7, d5[1] \n"
"vmla.f32 q15, q7, d7[1] \n"
"bne 1b \n"
"cmp %[relu], #0 \n"
"beq 2f \n"
"vmov.u32 q0, #0 \n"
"vmax.f32 q8, q8, q0 \n"
"vmax.f32 q9, q9, q0 \n"
"vmax.f32 q10, q10, q0 \n"
"vmax.f32 q11, q11, q0 \n"
"vmax.f32 q12, q12, q0 \n"
"vmax.f32 q13, q13, q0 \n"
"vmax.f32 q14, q14, q0 \n"
"vmax.f32 q15, q15, q0 \n"
"2: \n"
"2:\n"
"vst1.32 {d16-d19}, [%[c]]! \n"
"vst1.32 {d20-d23}, [%[c]]! \n"
"vst1.32 {d24-d27}, [%[c]]! \n"
"vst1.32 {d28-d31}, [%[c]]! \n"
......@@ -1008,11 +1023,12 @@ void sgemm_prepack_c4_small(int M,
[cnt] "+r" (cnt)
: [relu] "r" (has_relu),
[ldb] "r" (ldb_byte),
[bias] "r"(bias_ptr)
: "q0", "q1", "q2", "q3", "q4", "q5", "q6", "q7", "q8", "q9",
"q10", "q11", "q12", "q13", "q14", "q15", "cc", "memory"
[bias] "r" (bias_ptr)
: "q0", "q1", "q2", "q3", "q4", "q5",
"q6", "q7", "q8", "q9", "q10", "q11",
"q12", "q13", "q14", "q15", "cc", "memory"
);
b += 4 * 6;
b += 4 * 8;
}
for (; n > 3; n -= 4) {
int cnt = kcnt;
......@@ -1071,7 +1087,7 @@ void sgemm_prepack_c4_small(int M,
[cnt] "+r" (cnt)
: [relu] "r" (has_relu),
[ldb] "r" (ldb_byte),
[bias] "r"(bias_ptr)
[bias] "r" (bias_ptr)
: "q0", "q1", "q2", "q3", "q4", "q5",
"q6", "q7", "q8", "q9", "q10", "q11",
"q12", "q13", "cc", "memory"
......@@ -1117,7 +1133,7 @@ void sgemm_prepack_c4_small(int M,
[cnt] "+r" (cnt)
: [relu] "r" (has_relu),
[ldb] "r" (ldb_byte),
[bias] "r"(bias_ptr)
[bias] "r" (bias_ptr)
: "q0", "q1", "q2", "q3", "q4",
"q5", "q6", "q7", "q8", "cc", "memory"
);
......
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