| //===- CRunnerUtils.cpp - Utils for MLIR execution ------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file implements basic functions to manipulate structured MLIR types at |
| // runtime. Entities in this file are meant to be retargetable, including on |
| // targets without a C++ runtime, and must be kept C compatible. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "mlir/ExecutionEngine/CRunnerUtils.h" |
| |
| #ifndef _WIN32 |
| #include <sys/time.h> |
| #endif // _WIN32 |
| |
| #include <cinttypes> |
| #include <cstdio> |
| |
| #ifdef MLIR_CRUNNERUTILS_DEFINE_FUNCTIONS |
| |
| // Small runtime support "lib" for vector.print lowering. |
| // By providing elementary printing methods only, this |
| // library can remain fully unaware of low-level implementation |
| // details of our vectors. Also useful for direct LLVM IR output. |
| extern "C" void printI64(int64_t i) { fprintf(stdout, "%" PRId64, i); } |
| extern "C" void printU64(uint64_t u) { fprintf(stdout, "%" PRIu64, u); } |
| extern "C" void printF32(float f) { fprintf(stdout, "%g", f); } |
| extern "C" void printF64(double d) { fprintf(stdout, "%lg", d); } |
| extern "C" void printOpen() { fputs("( ", stdout); } |
| extern "C" void printClose() { fputs(" )", stdout); } |
| extern "C" void printComma() { fputs(", ", stdout); } |
| extern "C" void printNewline() { fputc('\n', stdout); } |
| |
| /// Prints GFLOPS rating. |
| extern "C" void print_flops(double flops) { |
| fprintf(stderr, "%lf GFLOPS\n", flops / 1.0E9); |
| } |
| |
| /// Returns the number of seconds since Epoch 1970-01-01 00:00:00 +0000 (UTC). |
| extern "C" double rtclock() { |
| #ifndef _WIN32 |
| struct timeval tp; |
| int stat = gettimeofday(&tp, NULL); |
| if (stat != 0) |
| fprintf(stderr, "Error returning time from gettimeofday: %d\n", stat); |
| return (tp.tv_sec + tp.tv_usec * 1.0e-6); |
| #else |
| fprintf(stderr, "Timing utility not implemented on Windows\n"); |
| return 0.0; |
| #endif // _WIN32 |
| } |
| |
| #endif // MLIR_CRUNNERUTILS_DEFINE_FUNCTIONS |