1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms 5 * of the Common Development and Distribution License 6 * (the "License"). You may not use this file except 7 * in compliance with the License. 8 * 9 * You can obtain a copy of the license at 10 * src/OPENSOLARIS.LICENSE 11 * or http://www.opensolaris.org/os/licensing. 12 * See the License for the specific language governing 13 * permissions and limitations under the License. 14 * 15 * When distributing Covered Code, include this CDDL 16 * HEADER in each file and include the License file at 17 * usr/src/OPENSOLARIS.LICENSE. If applicable, 18 * add the following below this CDDL HEADER, with the 19 * fields enclosed by brackets "[]" replaced with your 20 * own identifying information: Portions Copyright [yyyy] 21 * [name of copyright owner] 22 * 23 * CDDL HEADER END 24 */ 25 26/* 27 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 28 * Use is subject to license terms. 29 */ 30 31/* 32 * log benchmark - should do wider range... 33 */ 34 35#include <unistd.h> 36#include <stdio.h> 37#include <stdlib.h> 38#include <math.h> 39 40#include "libmicro.h" 41 42int 43benchmark_init() 44{ 45 (void) sprintf(lm_usage, "note: measures log()"); 46 lm_nsecs_per_op = 75; 47 lm_tsdsize = 0; 48 return (0); 49} 50 51/*ARGSUSED*/ 52int 53benchmark(void *tsd, result_t *res) 54{ 55 int i; 56 /* Added as part of the fix for radar 7508837 */ 57 double t = 0.0; 58 59 for (i = 0; i < lm_optB; i += 10) { 60 double value = i + .01; 61#if 1 /* Apple added code, see radar 7508837 */ 62 t += log(value); 63 t += log(value + 1.0); 64 t += log(value + 2.0); 65 t += log(value + 3.0); 66 t += log(value + 4.0); 67 t += log(value + 5.0); 68 t += log(value + 6.0); 69 t += log(value + 7.0); 70 t += log(value + 8.0); 71 t += log(value + 9.0); 72 } 73 res->re_count = i; 74 75 return ((int)(t - t)); 76#else 77 (void) log(value); 78 (void) log(value); 79 (void) log(value); 80 (void) log(value); 81 (void) log(value); 82 (void) log(value); 83 (void) log(value); 84 (void) log(value); 85 (void) log(value); 86 (void) log(value); 87 } 88 res->re_count = i; 89 90 return (0); 91#endif /* end of Apple fix */ 92} 93