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authorCedric Nugteren <web@cedricnugteren.nl>2016-06-19 13:55:49 +0200
committerCedric Nugteren <web@cedricnugteren.nl>2016-06-19 13:55:49 +0200
commit61203453aaca4e47c05c598a673150522160ca87 (patch)
tree36cdce32423c2227de88e019c34415bef9499a6a /test/performance/client.cpp
parentf726fbdc9fef937fbe32222f0e66aac8d7e2678c (diff)
Renamed all C++ source files to .cpp to match the .hpp extension better
Diffstat (limited to 'test/performance/client.cpp')
-rw-r--r--test/performance/client.cpp375
1 files changed, 375 insertions, 0 deletions
diff --git a/test/performance/client.cpp b/test/performance/client.cpp
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+++ b/test/performance/client.cpp
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+
+// =================================================================================================
+// This file is part of the CLBlast project. The project is licensed under Apache Version 2.0. This
+// project loosely follows the Google C++ styleguide and uses a tab-size of two spaces and a max-
+// width of 100 characters per line.
+//
+// Author(s):
+// Cedric Nugteren <www.cedricnugteren.nl>
+//
+// This file implements the common functions for the client-test environment.
+//
+// =================================================================================================
+
+#include "test/performance/client.hpp"
+
+#include <string>
+#include <vector>
+#include <utility>
+#include <algorithm>
+#include <chrono>
+
+namespace clblast {
+// =================================================================================================
+
+// Constructor
+template <typename T, typename U>
+Client<T,U>::Client(const Routine run_routine,
+ const Routine run_reference1, const Routine run_reference2,
+ const std::vector<std::string> &options,
+ const GetMetric get_flops, const GetMetric get_bytes):
+ run_routine_(run_routine),
+ run_reference1_(run_reference1),
+ run_reference2_(run_reference2),
+ options_(options),
+ get_flops_(get_flops),
+ get_bytes_(get_bytes) {
+}
+
+// =================================================================================================
+
+// Parses all arguments available for the CLBlast client testers. Some arguments might not be
+// applicable, but are searched for anyway to be able to create one common argument parser. All
+// arguments have a default value in case they are not found.
+template <typename T, typename U>
+Arguments<U> Client<T,U>::ParseArguments(int argc, char *argv[], const size_t level,
+ const GetMetric default_a_ld,
+ const GetMetric default_b_ld,
+ const GetMetric default_c_ld) {
+ auto args = Arguments<U>{};
+ auto help = std::string{"\n* Options given/available:\n"};
+
+ // These are the options which are not for every client: they are optional
+ for (auto &o: options_) {
+
+ // Data-sizes
+ if (o == kArgM) { args.m = GetArgument(argc, argv, help, kArgM, size_t{512}); }
+ if (o == kArgN) { args.n = GetArgument(argc, argv, help, kArgN, size_t{512}); }
+ if (o == kArgK) { args.k = GetArgument(argc, argv, help, kArgK, size_t{512}); }
+ if (o == kArgKU) { args.ku = GetArgument(argc, argv, help, kArgKU, size_t{128}); }
+ if (o == kArgKL) { args.kl = GetArgument(argc, argv, help, kArgKL, size_t{128}); }
+
+ // Data-layouts
+ if (o == kArgLayout) { args.layout = GetArgument(argc, argv, help, kArgLayout, Layout::kRowMajor); }
+ if (o == kArgATransp) { args.a_transpose = GetArgument(argc, argv, help, kArgATransp, Transpose::kNo); }
+ if (o == kArgBTransp) { args.b_transpose = GetArgument(argc, argv, help, kArgBTransp, Transpose::kNo); }
+ if (o == kArgSide) { args.side = GetArgument(argc, argv, help, kArgSide, Side::kLeft); }
+ if (o == kArgTriangle) { args.triangle = GetArgument(argc, argv, help, kArgTriangle, Triangle::kUpper); }
+ if (o == kArgDiagonal) { args.diagonal = GetArgument(argc, argv, help, kArgDiagonal, Diagonal::kUnit); }
+
+ // Vector arguments
+ if (o == kArgXInc) { args.x_inc = GetArgument(argc, argv, help, kArgXInc, size_t{1}); }
+ if (o == kArgYInc) { args.y_inc = GetArgument(argc, argv, help, kArgYInc, size_t{1}); }
+ if (o == kArgXOffset) { args.x_offset = GetArgument(argc, argv, help, kArgXOffset, size_t{0}); }
+ if (o == kArgYOffset) { args.y_offset = GetArgument(argc, argv, help, kArgYOffset, size_t{0}); }
+
+ // Matrix arguments
+ if (o == kArgALeadDim) { args.a_ld = GetArgument(argc, argv, help, kArgALeadDim, default_a_ld(args)); }
+ if (o == kArgBLeadDim) { args.b_ld = GetArgument(argc, argv, help, kArgBLeadDim, default_b_ld(args)); }
+ if (o == kArgCLeadDim) { args.c_ld = GetArgument(argc, argv, help, kArgCLeadDim, default_c_ld(args)); }
+ if (o == kArgAOffset) { args.a_offset = GetArgument(argc, argv, help, kArgAOffset, size_t{0}); }
+ if (o == kArgBOffset) { args.b_offset = GetArgument(argc, argv, help, kArgBOffset, size_t{0}); }
+ if (o == kArgCOffset) { args.c_offset = GetArgument(argc, argv, help, kArgCOffset, size_t{0}); }
+ if (o == kArgAPOffset) { args.ap_offset= GetArgument(argc, argv, help, kArgAPOffset, size_t{0}); }
+
+ // Scalar result arguments
+ if (o == kArgDotOffset) { args.dot_offset = GetArgument(argc, argv, help, kArgDotOffset, size_t{0}); }
+ if (o == kArgNrm2Offset) { args.nrm2_offset = GetArgument(argc, argv, help, kArgNrm2Offset, size_t{0}); }
+ if (o == kArgAsumOffset) { args.asum_offset = GetArgument(argc, argv, help, kArgAsumOffset, size_t{0}); }
+ if (o == kArgImaxOffset) { args.imax_offset = GetArgument(argc, argv, help, kArgImaxOffset, size_t{0}); }
+
+ // Scalar values
+ if (o == kArgAlpha) { args.alpha = GetArgument(argc, argv, help, kArgAlpha, GetScalar<U>()); }
+ if (o == kArgBeta) { args.beta = GetArgument(argc, argv, help, kArgBeta, GetScalar<U>()); }
+ }
+
+ // These are the options common to all routines
+ args.platform_id = GetArgument(argc, argv, help, kArgPlatform, size_t{0});
+ args.device_id = GetArgument(argc, argv, help, kArgDevice, size_t{0});
+ args.precision = GetArgument(argc, argv, help, kArgPrecision, Precision::kSingle);
+ #ifdef CLBLAST_REF_CLBLAS
+ args.compare_clblas = GetArgument(argc, argv, help, kArgCompareclblas, 1);
+ #else
+ args.compare_clblas = 0;
+ #endif
+ #ifdef CLBLAST_REF_CBLAS
+ args.compare_cblas = GetArgument(argc, argv, help, kArgComparecblas, 1);
+ #else
+ args.compare_cblas = 0;
+ #endif
+ args.step = GetArgument(argc, argv, help, kArgStepSize, size_t{1});
+ args.num_steps = GetArgument(argc, argv, help, kArgNumSteps, size_t{0});
+ args.num_runs = GetArgument(argc, argv, help, kArgNumRuns, size_t{10});
+ args.print_help = CheckArgument(argc, argv, help, kArgHelp);
+ args.silent = CheckArgument(argc, argv, help, kArgQuiet);
+ args.no_abbrv = CheckArgument(argc, argv, help, kArgNoAbbreviations);
+
+ // Prints the chosen (or defaulted) arguments to screen. This also serves as the help message,
+ // which is thus always displayed (unless silence is specified).
+ if (!args.silent) { fprintf(stdout, "%s\n", help.c_str()); }
+
+ // Comparison against a non-BLAS routine is not supported
+ if (level == 4) { // level-4 == level-X
+ if (args.compare_clblas != 0 || args.compare_cblas != 0) {
+ if (!args.silent) {
+ fprintf(stdout, "* Disabling clBLAS and CPU BLAS comparisons for this non-BLAS routine\n\n");
+ }
+ }
+ args.compare_clblas = 0;
+ args.compare_cblas = 0;
+ }
+
+ // Comparison against clBLAS or a CPU BLAS library is not supported in case of half-precision
+ if (args.precision == Precision::kHalf) {
+ if (args.compare_clblas != 0 || args.compare_cblas != 0) {
+ if (!args.silent) {
+ fprintf(stdout, "* Disabling clBLAS and CPU BLAS comparisons for half-precision\n\n");
+ }
+ }
+ args.compare_clblas = 0;
+ args.compare_cblas = 0;
+ }
+
+ // Returns the arguments
+ return args;
+}
+
+// =================================================================================================
+
+// This is main performance tester
+template <typename T, typename U>
+void Client<T,U>::PerformanceTest(Arguments<U> &args, const SetMetric set_sizes) {
+
+ // Prints the header of the output table
+ PrintTableHeader(args);
+
+ // Initializes OpenCL and the libraries
+ auto platform = Platform(args.platform_id);
+ auto device = Device(platform, args.device_id);
+ auto context = Context(device);
+ auto queue = Queue(context, device);
+ #ifdef CLBLAST_REF_CLBLAS
+ if (args.compare_clblas) { clblasSetup(); }
+ #endif
+
+ // Iterates over all "num_step" values jumping by "step" each time
+ auto s = size_t{0};
+ while(true) {
+
+ // Sets the buffer sizes (routine-specific)
+ set_sizes(args);
+
+ // Populates input host matrices with random data
+ std::vector<T> x_source(args.x_size);
+ std::vector<T> y_source(args.y_size);
+ std::vector<T> a_source(args.a_size);
+ std::vector<T> b_source(args.b_size);
+ std::vector<T> c_source(args.c_size);
+ std::vector<T> ap_source(args.ap_size);
+ std::vector<T> scalar_source(args.scalar_size);
+ PopulateVector(x_source);
+ PopulateVector(y_source);
+ PopulateVector(a_source);
+ PopulateVector(b_source);
+ PopulateVector(c_source);
+ PopulateVector(ap_source);
+ PopulateVector(scalar_source);
+
+ // Creates the matrices on the device
+ auto x_vec = Buffer<T>(context, args.x_size);
+ auto y_vec = Buffer<T>(context, args.y_size);
+ auto a_mat = Buffer<T>(context, args.a_size);
+ auto b_mat = Buffer<T>(context, args.b_size);
+ auto c_mat = Buffer<T>(context, args.c_size);
+ auto ap_mat = Buffer<T>(context, args.ap_size);
+ auto scalar = Buffer<T>(context, args.scalar_size);
+ x_vec.Write(queue, args.x_size, x_source);
+ y_vec.Write(queue, args.y_size, y_source);
+ a_mat.Write(queue, args.a_size, a_source);
+ b_mat.Write(queue, args.b_size, b_source);
+ c_mat.Write(queue, args.c_size, c_source);
+ ap_mat.Write(queue, args.ap_size, ap_source);
+ scalar.Write(queue, args.scalar_size, scalar_source);
+ auto buffers = Buffers<T>{x_vec, y_vec, a_mat, b_mat, c_mat, ap_mat, scalar};
+
+ // Runs the routines and collects the timings
+ auto timings = std::vector<std::pair<std::string, double>>();
+ auto ms_clblast = TimedExecution(args.num_runs, args, buffers, queue, run_routine_, "CLBlast");
+ timings.push_back(std::pair<std::string, double>("CLBlast", ms_clblast));
+ if (args.compare_clblas) {
+ auto ms_clblas = TimedExecution(args.num_runs, args, buffers, queue, run_reference1_, "clBLAS");
+ timings.push_back(std::pair<std::string, double>("clBLAS", ms_clblas));
+ }
+ if (args.compare_cblas) {
+ auto ms_cblas = TimedExecution(args.num_runs, args, buffers, queue, run_reference2_, "CPU BLAS");
+ timings.push_back(std::pair<std::string, double>("CPU BLAS", ms_cblas));
+ }
+
+ // Prints the performance of the tested libraries
+ PrintTableRow(args, timings);
+
+ // Makes the jump to the next step
+ ++s;
+ if (s >= args.num_steps) { break; }
+ args.m += args.step;
+ args.n += args.step;
+ args.k += args.step;
+ args.a_ld += args.step;
+ args.b_ld += args.step;
+ args.c_ld += args.step;
+ }
+
+ // Cleans-up and returns
+ #ifdef CLBLAST_REF_CLBLAS
+ if (args.compare_clblas) { clblasTeardown(); }
+ #endif
+}
+
+// =================================================================================================
+
+// Creates a vector of timing results, filled with execution times of the 'main computation'. The
+// timing is performed using the milliseconds chrono functions. The function returns the minimum
+// value found in the vector of timing results. The return value is in milliseconds.
+template <typename T, typename U>
+double Client<T,U>::TimedExecution(const size_t num_runs, const Arguments<U> &args,
+ Buffers<T> &buffers, Queue &queue,
+ Routine run_blas, const std::string &library_name) {
+ auto timings = std::vector<double>(num_runs);
+ for (auto &timing: timings) {
+ auto start_time = std::chrono::steady_clock::now();
+
+ // Executes the main computation
+ auto status = StatusCode::kSuccess;
+ try {
+ status = run_blas(args, buffers, queue);
+ } catch (...) { status = static_cast<StatusCode>(kUnknownError); }
+ if (status != StatusCode::kSuccess) {
+ throw std::runtime_error(library_name+" error: "+ToString(static_cast<int>(status)));
+ }
+
+ // Records and stores the end-time
+ auto elapsed_time = std::chrono::steady_clock::now() - start_time;
+ timing = std::chrono::duration<double,std::milli>(elapsed_time).count();
+ }
+ return *std::min_element(timings.begin(), timings.end());
+}
+
+// =================================================================================================
+
+// Prints the header of the performance table
+template <typename T, typename U>
+void Client<T,U>::PrintTableHeader(const Arguments<U>& args) {
+
+ // First line (optional)
+ if (!args.silent) {
+ for (auto i=size_t{0}; i<options_.size(); ++i) { fprintf(stdout, "%9s ", ""); }
+ fprintf(stdout, " | <-- CLBlast -->");
+ if (args.compare_clblas) { fprintf(stdout, " | <-- clBLAS -->"); }
+ if (args.compare_cblas) { fprintf(stdout, " | <-- CPU BLAS -->"); }
+ fprintf(stdout, " |\n");
+ }
+
+ // Second line
+ for (auto &option: options_) { fprintf(stdout, "%9s;", option.c_str()); }
+ fprintf(stdout, "%9s;%9s;%9s", "ms_1", "GFLOPS_1", "GBs_1");
+ if (args.compare_clblas) { fprintf(stdout, ";%9s;%9s;%9s", "ms_2", "GFLOPS_2", "GBs_2"); }
+ if (args.compare_cblas) { fprintf(stdout, ";%9s;%9s;%9s", "ms_3", "GFLOPS_3", "GBs_3"); }
+ fprintf(stdout, "\n");
+}
+
+// Print a performance-result row
+template <typename T, typename U>
+void Client<T,U>::PrintTableRow(const Arguments<U>& args,
+ const std::vector<std::pair<std::string, double>>& timings) {
+
+ // Creates a vector of relevant variables
+ auto integers = std::vector<size_t>{};
+ for (auto &o: options_) {
+ if (o == kArgM) { integers.push_back(args.m); }
+ else if (o == kArgN) { integers.push_back(args.n); }
+ else if (o == kArgK) { integers.push_back(args.k); }
+ else if (o == kArgKU) { integers.push_back(args.ku); }
+ else if (o == kArgKL) { integers.push_back(args.kl); }
+ else if (o == kArgLayout) { integers.push_back(static_cast<size_t>(args.layout)); }
+ else if (o == kArgSide) { integers.push_back(static_cast<size_t>(args.side)); }
+ else if (o == kArgTriangle) { integers.push_back(static_cast<size_t>(args.triangle)); }
+ else if (o == kArgATransp) { integers.push_back(static_cast<size_t>(args.a_transpose)); }
+ else if (o == kArgBTransp) { integers.push_back(static_cast<size_t>(args.b_transpose)); }
+ else if (o == kArgDiagonal) { integers.push_back(static_cast<size_t>(args.diagonal)); }
+ else if (o == kArgXInc) { integers.push_back(args.x_inc); }
+ else if (o == kArgYInc) { integers.push_back(args.y_inc); }
+ else if (o == kArgXOffset) { integers.push_back(args.x_offset); }
+ else if (o == kArgYOffset) { integers.push_back(args.y_offset); }
+ else if (o == kArgALeadDim) { integers.push_back(args.a_ld); }
+ else if (o == kArgBLeadDim) { integers.push_back(args.b_ld); }
+ else if (o == kArgCLeadDim) { integers.push_back(args.c_ld); }
+ else if (o == kArgAOffset) { integers.push_back(args.a_offset); }
+ else if (o == kArgBOffset) { integers.push_back(args.b_offset); }
+ else if (o == kArgCOffset) { integers.push_back(args.c_offset); }
+ else if (o == kArgAPOffset) { integers.push_back(args.ap_offset); }
+ else if (o == kArgDotOffset) {integers.push_back(args.dot_offset); }
+ else if (o == kArgNrm2Offset){integers.push_back(args.nrm2_offset); }
+ else if (o == kArgAsumOffset){integers.push_back(args.asum_offset); }
+ else if (o == kArgImaxOffset){integers.push_back(args.imax_offset); }
+ }
+ auto strings = std::vector<std::string>{};
+ for (auto &o: options_) {
+ if (o == kArgAlpha) { strings.push_back(ToString(args.alpha)); }
+ else if (o == kArgBeta) { strings.push_back(ToString(args.beta)); }
+ }
+
+ // Outputs the argument values
+ for (auto &argument: integers) {
+ if (!args.no_abbrv && argument >= 1024*1024 && IsMultiple(argument, 1024*1024)) {
+ fprintf(stdout, "%8zuM;", argument/(1024*1024));
+ }
+ else if (!args.no_abbrv && argument >= 1024 && IsMultiple(argument, 1024)) {
+ fprintf(stdout, "%8zuK;", argument/1024);
+ }
+ else {
+ fprintf(stdout, "%9zu;", argument);
+ }
+ }
+ for (auto &argument: strings) {
+ fprintf(stdout, "%9s;", argument.c_str());
+ }
+
+ // Loops over all tested libraries
+ for (const auto& timing : timings) {
+
+ // Computes the GFLOPS and GB/s metrics
+ auto flops = get_flops_(args);
+ auto bytes = get_bytes_(args);
+ auto gflops = (timing.second != 0.0) ? (flops*1e-6)/timing.second : 0;
+ auto gbs = (timing.second != 0.0) ? (bytes*1e-6)/timing.second : 0;
+
+ // Outputs the performance numbers
+ if (timing.first != "CLBlast") { fprintf(stdout, ";"); }
+ fprintf(stdout, "%9.2lf;%9.1lf;%9.1lf", timing.second, gflops, gbs);
+ }
+ fprintf(stdout, "\n");
+}
+
+// =================================================================================================
+
+// Compiles the templated class
+template class Client<half,half>;
+template class Client<float,float>;
+template class Client<double,double>;
+template class Client<float2,float2>;
+template class Client<double2,double2>;
+template class Client<float2,float>;
+template class Client<double2,double>;
+
+// =================================================================================================
+} // namespace clblast