diff options
author | Cedric Nugteren <web@cedricnugteren.nl> | 2017-10-28 17:32:37 +0200 |
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committer | Cedric Nugteren <web@cedricnugteren.nl> | 2017-10-28 17:32:37 +0200 |
commit | 12b08ae49154379f7471a40809ace6418857b387 (patch) | |
tree | ef958197db0bb8a67c9a5840f828b3f6c72bd8fc /src/routines/level3 | |
parent | 2949e156f5bfdd724987e67477da3e3608e4aaf9 (diff) | |
parent | fa6e5e67f585b77d34c3031c176de9a0f7904aa9 (diff) |
Merge branch 'master' into android_support
Diffstat (limited to 'src/routines/level3')
-rw-r--r-- | src/routines/level3/xgemm.cpp | 30 | ||||
-rw-r--r-- | src/routines/level3/xtrsm.cpp | 110 |
2 files changed, 92 insertions, 48 deletions
diff --git a/src/routines/level3/xgemm.cpp b/src/routines/level3/xgemm.cpp index 3909c308..a0063ee2 100644 --- a/src/routines/level3/xgemm.cpp +++ b/src/routines/level3/xgemm.cpp @@ -161,10 +161,24 @@ void Xgemm<T>::GemmIndirect(const size_t m, const size_t n, const size_t k, auto c_no_temp = c_one == c_one_i && c_two == c_two_i && c_ld == c_one && c_offset == 0 && c_do_transpose == false; - // Creates the temporary matrices - const auto a_temp = (a_no_temp) ? a_buffer : Buffer<T>(context_, a_one_i*a_two_i); - const auto b_temp = (b_no_temp) ? b_buffer : Buffer<T>(context_, b_one_i*b_two_i); - const auto c_temp = (c_no_temp) ? c_buffer : Buffer<T>(context_, c_one_i*c_two_i); + // Computes the sizes and offsets for (optional) temporary buffers for the 3 matrices + auto temp_size = size_t{0}; + auto b_temp_offset = size_t{0}; + auto c_temp_offset = size_t{0}; + if (!a_no_temp) { temp_size += a_one_i*a_two_i; } + if (!b_no_temp) { b_temp_offset = temp_size; temp_size += b_one_i*b_two_i; } + if (!c_no_temp) { c_temp_offset = temp_size; temp_size += c_one_i*c_two_i; } + if (!IsMultiple(b_temp_offset, db_["VWN"])) { throw BLASError(StatusCode::kUnexpectedError); } + if (!IsMultiple(c_temp_offset, db_["VWM"])) { throw BLASError(StatusCode::kUnexpectedError); } + + // Creates the buffer for the (optional) temporary matrices. Note that we use 'a_buffer' in case + // when no temporary buffer is needed, but that's just to make it compile: it is never used. + const auto temp_buffer = (temp_size > 0) ? Buffer<T>(context_, temp_size) : a_buffer; + + // Sets the buffer pointers for (temp) matrices A, B, and C + const auto a_temp = (a_no_temp) ? a_buffer : temp_buffer; + const auto b_temp = (b_no_temp) ? b_buffer : temp_buffer; + const auto c_temp = (c_no_temp) ? c_buffer : temp_buffer; // Events of all kernels (including pre/post processing kernels) auto eventWaitList = std::vector<Event>(); @@ -188,7 +202,7 @@ void Xgemm<T>::GemmIndirect(const size_t m, const size_t n, const size_t k, auto eventProcessB = Event(); PadCopyTransposeMatrix(queue_, device_, db_, eventProcessB.pointer(), emptyEventList, b_one, b_two, b_ld, b_offset, b_buffer, - b_one_i, b_two_i, b_one_i, 0, b_temp, + b_one_i, b_two_i, b_one_i, b_temp_offset, b_temp, ConstantOne<T>(), program_, true, b_do_transpose, b_conjugate); eventWaitList.push_back(eventProcessB); @@ -199,7 +213,7 @@ void Xgemm<T>::GemmIndirect(const size_t m, const size_t n, const size_t k, auto eventProcessC = Event(); PadCopyTransposeMatrix(queue_, device_, db_, eventProcessC.pointer(), emptyEventList, c_one, c_two, c_ld, c_offset, c_buffer, - c_one_i, c_two_i, c_one_i, 0, c_temp, + c_one_i, c_two_i, c_one_i, c_temp_offset, c_temp, ConstantOne<T>(), program_, true, c_do_transpose, false); eventWaitList.push_back(eventProcessC); @@ -217,6 +231,8 @@ void Xgemm<T>::GemmIndirect(const size_t m, const size_t n, const size_t k, kernel.SetArgument(5, a_temp()); kernel.SetArgument(6, b_temp()); kernel.SetArgument(7, c_temp()); + kernel.SetArgument(8, static_cast<int>(b_temp_offset / db_["VWN"])); + kernel.SetArgument(9, static_cast<int>(c_temp_offset / db_["VWM"])); // Computes the global and local thread sizes const auto global = std::vector<size_t>{ @@ -234,7 +250,7 @@ void Xgemm<T>::GemmIndirect(const size_t m, const size_t n, const size_t k, if (!c_no_temp) { eventWaitList.push_back(eventKernel); PadCopyTransposeMatrix(queue_, device_, db_, event_, eventWaitList, - c_one_i, c_two_i, c_one_i, 0, c_temp, + c_one_i, c_two_i, c_one_i, c_temp_offset, c_temp, c_one, c_two, c_ld, c_offset, c_buffer, ConstantOne<T>(), program_, false, c_do_transpose, false); diff --git a/src/routines/level3/xtrsm.cpp b/src/routines/level3/xtrsm.cpp index 685d458b..d622e3bf 100644 --- a/src/routines/level3/xtrsm.cpp +++ b/src/routines/level3/xtrsm.cpp @@ -73,7 +73,7 @@ void Xtrsm<T>::TrsmColMajor(const Side side, const Triangle triangle, const Buffer<T> &b_buffer, const size_t b_offset, const size_t b_ld) { // Settings - constexpr auto block_size = size_t{32}; // tuneable + constexpr auto block_size = size_t{16}; // tuneable // Makes sure all dimensions are larger than zero if ((m == 0) || (n == 0)) { throw BLASError(StatusCode::kInvalidDimension); } @@ -128,18 +128,25 @@ void Xtrsm<T>::TrsmColMajor(const Side side, const Triangle triangle, for (auto i = size_t{0}; i < m; i += block_size) { const auto gemm_alpha = (i == 0) ? alpha : ConstantOne<T>(); const auto current_block_size = std::min(m - i, block_size); - DoGemm(Layout::kColMajor, a_transpose, Transpose::kNo, - current_block_size, n, current_block_size, gemm_alpha, - a_inv_buffer, i * block_size, block_size, - b_buffer, b_offset + i, b_ld, ConstantZero<T>(), - x_buffer, x_offset + i, x_ld); + auto gemm1_event = Event(); + auto gemm1 = Xgemm<T>(queue_, gemm1_event.pointer()); + gemm1.DoGemm(Layout::kColMajor, a_transpose, Transpose::kNo, + current_block_size, n, current_block_size, gemm_alpha, + a_inv_buffer, i * block_size, block_size, + b_buffer, b_offset + i, b_ld, ConstantZero<T>(), + x_buffer, x_offset + i, x_ld); + gemm1_event.WaitForCompletion(); if (i + block_size >= m) { break; } + const auto this_a_offset = (a_transpose == Transpose::kNo) ? (i + block_size) + i * a_ld : i + (block_size + i) * a_ld; - DoGemm(Layout::kColMajor, a_transpose, Transpose::kNo, - m - i - block_size, n, block_size, ConstantNegOne<T>(), - a_buffer, this_a_offset, a_ld, - x_buffer, x_offset + i, x_ld, gemm_alpha, - b_buffer, b_offset + i + block_size, b_ld); + auto gemm2_event = Event(); + auto gemm2 = Xgemm<T>(queue_, gemm2_event.pointer()); + gemm2.DoGemm(Layout::kColMajor, a_transpose, Transpose::kNo, + m - i - block_size, n, block_size, ConstantNegOne<T>(), + a_buffer, this_a_offset + a_offset, a_ld, + x_buffer, x_offset + i, x_ld, gemm_alpha, + b_buffer, b_offset + i + block_size, b_ld); + gemm2_event.WaitForCompletion(); } } @@ -150,18 +157,25 @@ void Xtrsm<T>::TrsmColMajor(const Side side, const Triangle triangle, for (auto i = i_start; i >= 0; i -= static_cast<int>(block_size)) { const auto current_block_size = (i == i_start) ? special_block_size : block_size; const auto gemm_alpha = (i == i_start) ? alpha : ConstantOne<T>(); - DoGemm(Layout::kColMajor, a_transpose, Transpose::kNo, - current_block_size, n, current_block_size, gemm_alpha, - a_inv_buffer, i * block_size, block_size, - b_buffer, b_offset + i, b_ld, ConstantZero<T>(), - x_buffer, x_offset + i, x_ld); + auto gemm1_event = Event(); + auto gemm1 = Xgemm<T>(queue_, gemm1_event.pointer()); + gemm1.DoGemm(Layout::kColMajor, a_transpose, Transpose::kNo, + current_block_size, n, current_block_size, gemm_alpha, + a_inv_buffer, i * block_size, block_size, + b_buffer, b_offset + i, b_ld, ConstantZero<T>(), + x_buffer, x_offset + i, x_ld); + gemm1_event.WaitForCompletion(); if (i - static_cast<int>(block_size) < 0) { break; } + const auto this_a_offset = (a_transpose == Transpose::kNo) ? i * a_ld : i; - DoGemm(Layout::kColMajor, a_transpose, Transpose::kNo, - i, n, current_block_size, ConstantNegOne<T>(), - a_buffer, this_a_offset, a_ld, - x_buffer, x_offset + i, x_ld, gemm_alpha, - b_buffer, b_offset, b_ld); + auto gemm2_event = Event(); + auto gemm2 = Xgemm<T>(queue_, gemm2_event.pointer()); + gemm2.DoGemm(Layout::kColMajor, a_transpose, Transpose::kNo, + i, n, current_block_size, ConstantNegOne<T>(), + a_buffer, this_a_offset + a_offset, a_ld, + x_buffer, x_offset + i, x_ld, gemm_alpha, + b_buffer, b_offset, b_ld); + gemm2_event.WaitForCompletion(); } } } @@ -176,18 +190,25 @@ void Xtrsm<T>::TrsmColMajor(const Side side, const Triangle triangle, for (auto i = i_start; i >= 0; i -= static_cast<int>(block_size)) { const auto current_block_size = (i == i_start) ? special_block_size : block_size; const auto gemm_alpha = (i == i_start) ? alpha : ConstantOne<T>(); - DoGemm(Layout::kColMajor, Transpose::kNo, a_transpose, - m, current_block_size, current_block_size, gemm_alpha, - b_buffer, b_offset + i * b_ld, b_ld, - a_inv_buffer, i * block_size, block_size, ConstantZero<T>(), - x_buffer, x_offset + i * x_ld, x_ld); + auto gemm1_event = Event(); + auto gemm1 = Xgemm<T>(queue_, gemm1_event.pointer()); + gemm1.DoGemm(Layout::kColMajor, Transpose::kNo, a_transpose, + m, current_block_size, current_block_size, gemm_alpha, + b_buffer, b_offset + i * b_ld, b_ld, + a_inv_buffer, i * block_size, block_size, ConstantZero<T>(), + x_buffer, x_offset + i * x_ld, x_ld); + gemm1_event.WaitForCompletion(); if (i - static_cast<int>(block_size) < 0) { break; } + const auto this_a_offset = (a_transpose == Transpose::kNo) ? i : i * a_ld; - DoGemm(Layout::kColMajor, Transpose::kNo, a_transpose, - m, i, current_block_size, ConstantNegOne<T>(), - x_buffer, x_offset + i * x_ld, x_ld, - a_buffer, this_a_offset, a_ld, gemm_alpha, - b_buffer, b_offset, b_ld); + auto gemm2_event = Event(); + auto gemm2 = Xgemm<T>(queue_, gemm2_event.pointer()); + gemm2.DoGemm(Layout::kColMajor, Transpose::kNo, a_transpose, + m, i, current_block_size, ConstantNegOne<T>(), + x_buffer, x_offset + i * x_ld, x_ld, + a_buffer, this_a_offset + a_offset, a_ld, gemm_alpha, + b_buffer, b_offset, b_ld); + gemm2_event.WaitForCompletion(); } } @@ -196,18 +217,25 @@ void Xtrsm<T>::TrsmColMajor(const Side side, const Triangle triangle, for (auto i = size_t{0}; i < n; i += block_size) { const auto gemm_alpha = (i == 0) ? alpha : ConstantOne<T>(); const auto current_block_size = std::min(n - i, block_size); - DoGemm(Layout::kColMajor, Transpose::kNo, a_transpose, - m, current_block_size, current_block_size, gemm_alpha, - b_buffer, b_offset + i * b_ld, b_ld, - a_inv_buffer, i * block_size, block_size, ConstantZero<T>(), - x_buffer, x_offset + i * x_ld, x_ld); + auto gemm1_event = Event(); + auto gemm1 = Xgemm<T>(queue_, gemm1_event.pointer()); + gemm1.DoGemm(Layout::kColMajor, Transpose::kNo, a_transpose, + m, current_block_size, current_block_size, gemm_alpha, + b_buffer, b_offset + i * b_ld, b_ld, + a_inv_buffer, i * block_size, block_size, ConstantZero<T>(), + x_buffer, x_offset + i * x_ld, x_ld); + gemm1_event.WaitForCompletion(); if (i + block_size >= n) { break; } + const auto this_a_offset = (a_transpose == Transpose::kNo) ? i + (block_size + i) * a_ld : (i + block_size) + i * a_ld; - DoGemm(Layout::kColMajor, Transpose::kNo, a_transpose, - m, n - i - block_size, block_size, ConstantNegOne<T>(), - x_buffer, x_offset + i * x_ld, x_ld, - a_buffer, this_a_offset, a_ld, gemm_alpha, - b_buffer, b_offset + (i + block_size) * b_ld, b_ld); + auto gemm2_event = Event(); + auto gemm2 = Xgemm<T>(queue_, gemm2_event.pointer()); + gemm2.DoGemm(Layout::kColMajor, Transpose::kNo, a_transpose, + m, n - i - block_size, block_size, ConstantNegOne<T>(), + x_buffer, x_offset + i * x_ld, x_ld, + a_buffer, this_a_offset + a_offset, a_ld, gemm_alpha, + b_buffer, b_offset + (i + block_size) * b_ld, b_ld); + gemm2_event.WaitForCompletion(); } } } |