diff options
Diffstat (limited to 'bench/DepthwiseBenchmark.cc')
| -rw-r--r-- | bench/DepthwiseBenchmark.cc | 128 |
1 files changed, 74 insertions, 54 deletions
diff --git a/bench/DepthwiseBenchmark.cc b/bench/DepthwiseBenchmark.cc index 96921a1..6c2ee17 100644 --- a/bench/DepthwiseBenchmark.cc +++ b/bench/DepthwiseBenchmark.cc @@ -17,8 +17,8 @@ #include "AlignedVec.h" #include "BenchUtils.h" -#include "fbgemm/Utils.h" #include "fbgemm/FbgemmI8DepthwiseAvx2.h" +#include "fbgemm/Utils.h" #include "src/RefImplementations.h" using namespace std; @@ -34,10 +34,11 @@ int main() { #endif // From Xray OCR + // clang-format off vector<vector<int>> shapes = { // NOTE: clang-format wants to use a different formatting but the current // formatting should be easier to read. - // N, G, H_in, W_in, stride + // N, K, H_in, W_in, stride { 1, 272, 47, 125, 1, }, { 1, 272, 64, 125, 1, }, { 1, 272, 66, 125, 1, }, @@ -138,6 +139,7 @@ int main() { { 96, 544, 14, 14, 2, }, { 100, 544, 14, 14, 2, }, }; + // clang-format on // Depthwise is memory BW bound so we want to flush LLC. bool flush = true; @@ -155,19 +157,35 @@ int main() { for (auto shape : shapes) { int N = shape[0]; - int G = shape[1]; + int K = shape[1]; int H = shape[2]; int W = shape[3]; int stride_h = shape[4]; int stride_w = stride_h; constexpr int R = 3, S = 3; - constexpr int PAD_T = 1, PAD_B = 1, PAD_L = 1, PAD_R = 1; - int H_OUT = (H + PAD_T + PAD_B - R) / stride_h + 1; - int W_OUT = (W + PAD_L + PAD_R - S) / stride_w + 1; + int PAD_T = (R - 1) / 2, PAD_B = (R - 1) / 2, PAD_L = (S - 1) / 2, + PAD_R = (S - 1) / 2; + + conv_param_t<2> conv_p( + N, + K, + K, + {H, W}, + K, + {R, S}, + {stride_h, stride_w}, + {PAD_T, PAD_L, PAD_B, PAD_R}); + int H_OUT = conv_p.OUT_DIM[0]; + int W_OUT = conv_p.OUT_DIM[1]; + + int MDim = N * H_OUT * W_OUT; + int KDim = R * S * K; + int KDimPerGroup = KDim / conv_p.G; - aligned_vector<uint8_t> A(N * H * W * G); - aligned_vector<int8_t> B(G * R * S); - aligned_vector<int32_t> C_ref(N * H_OUT * W_OUT * G), C(C_ref.size()); + aligned_vector<uint8_t> A(N * H * W * K); + aligned_vector<int8_t> B(KDim); + aligned_vector<int32_t> C_ref(MDim * K), C(C_ref.size()); + aligned_vector<uint8_t> C_uint8_ref(C_ref.size()), C_uint8(C_ref.size()); randFill<uint8_t>(A, 0, 86); int32_t A_zero_point = 43; @@ -175,53 +193,54 @@ int main() { randFill<int8_t>(B, -16, 16); int32_t B_zero_point = 5; - depthwise_3x3_pad_1_ref( - N, - H, - W, - G, - stride_h, - stride_w, - A_zero_point, - A.data(), - B.data(), - C_ref.data()); - - int32_t minimum = *min_element(C_ref.begin(), C_ref.end()); - int32_t maximum = *max_element(C_ref.begin(), C_ref.end()); + aligned_vector<float> C_multiplier(1); + randFill(C_multiplier, 0.001234f / 2, 0.001234f * 3 / 2); + int32_t C_zero_point = 5; - float C_multiplier = 255. / (maximum - minimum); + vector<int32_t> row_offsets(MDim); + // im2col to compute row offset later + vector<uint8_t> A_im2col(MDim * KDim); + im2col_ref(conv_p, A.data(), A_zero_point, A_im2col.data()); - aligned_vector<int32_t> col_offsets(G); - aligned_vector<int32_t> bias(G); + aligned_vector<int32_t> col_offsets(K); + aligned_vector<int32_t> bias(K); randFill(col_offsets, -100, 100); randFill(bias, -40, 40); - int32_t C_zero_point = 5; - aligned_vector<uint8_t> C_uint8_ref(C_ref.size()), C_uint8(C_ref.size()); - depthwise_3x3_pad_1_ref( - N, - H, - W, - G, - stride_h, - stride_w, - A_zero_point, - A.data(), - B_zero_point, - B.data(), - C_multiplier, - C_zero_point, - C_uint8_ref.data(), - col_offsets.data(), - bias.data()); + conv_ref(conv_p, A.data(), A_zero_point, B.data(), C_ref.data()); + + for (int g = 0; g < conv_p.G; ++g) { + // Compute row offset + row_offsets_u8acc32_ref( + MDim, + KDimPerGroup, + KDim, + A_im2col.data() + g * KDimPerGroup, + row_offsets.data()); + + // Requantization + requantize_u8acc32_ref( + MDim, + 1, + conv_p.G, + C_ref.data() + g, + C_uint8_ref.data() + g, + C_multiplier.data(), + C_zero_point, + A_zero_point, + &B_zero_point, + row_offsets.data(), + col_offsets.data() + g, + bias.data() + g, + K); + } - Packed3x3ConvMatrix Bp(G, B.data()); + PackedDepthWiseConvMatrix Bp(K, 3 * 3, B.data()); double ttot = 0; double bytes = double(NITER) * - (G * (N * (2 * sizeof(int32_t) * H_OUT * W_OUT + H * W) + R * S)); - double ops = double(NITER) * N * H_OUT * W_OUT * G * R * S * 2; + (K * (N * (2 * sizeof(int32_t) * H_OUT * W_OUT + H * W) + R * S)); + double ops = double(NITER) * N * H_OUT * W_OUT * K * R * S * 2; chrono::time_point<chrono::system_clock> t_begin, t_end; for (int i = 0; i < NWARMUP + NITER; ++i) { llc_flush(); @@ -235,19 +254,20 @@ int main() { N, H, W, - G, + K, stride_h, stride_w, A_zero_point, A.data(), B_zero_point, Bp, - C_multiplier, + C_multiplier[0], C_zero_point, C_uint8.data(), col_offsets.data(), bias.data(), false, /* fuse_relu */ + 1.0f, /* act_scale * w_scale */ tid, num_threads); } @@ -262,10 +282,10 @@ int main() { for (int n = 0; n < N; ++n) { for (int h = 0; h < H_OUT; ++h) { for (int w = 0; w < W_OUT; ++w) { - for (int g = 0; g < G; ++g) { + for (int g = 0; g < K; ++g) { uint8_t expected = - C_uint8_ref[((n * H_OUT + h) * W_OUT + w) * G + g]; - uint8_t actual = C_uint8[((n * H_OUT + h) * W_OUT + w) * G + g]; + C_uint8_ref[((n * H_OUT + h) * W_OUT + w) * K + g]; + uint8_t actual = C_uint8[((n * H_OUT + h) * W_OUT + w) * K + g]; if (expected != actual) { cerr << "Depthwise 3x3 results differ at (" << n << ", " << h << ", " << w << ", " << g << "). expected " << (int)expected @@ -280,9 +300,9 @@ int main() { // Report performance printf( - "N = %d G = %d H = %d W = %d stride = %d with requantization fused\n", + "N = %d K = %d H = %d W = %d stride = %d with requantization fused\n", N, - G, + K, H, W, stride_h); |