x11perf.h revision 736a7e2c
1264fa531Smrg/*****************************************************************************
2264fa531SmrgCopyright 1988, 1989 by Digital Equipment Corporation, Maynard, Massachusetts.
3264fa531Smrg
4264fa531Smrg                        All Rights Reserved
5264fa531Smrg
6264fa531SmrgPermission to use, copy, modify, and distribute this software and its
7264fa531Smrgdocumentation for any purpose and without fee is hereby granted,
8264fa531Smrgprovided that the above copyright notice appear in all copies and that
9264fa531Smrgboth that copyright notice and this permission notice appear in
10264fa531Smrgsupporting documentation, and that the name of Digital not be
11264fa531Smrgused in advertising or publicity pertaining to distribution of the
12264fa531Smrgsoftware without specific, written prior permission.
13264fa531Smrg
14264fa531SmrgDIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
15264fa531SmrgALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
16264fa531SmrgDIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
17264fa531SmrgANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
18264fa531SmrgWHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
19264fa531SmrgARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
20264fa531SmrgSOFTWARE.
21264fa531Smrg
22264fa531Smrg******************************************************************************/
23264fa531Smrg
24264fa531Smrg#if HAVE_CONFIG_H
25264fa531Smrg#include "config.h"
26264fa531Smrg#endif
27264fa531Smrg
28264fa531Smrg#ifndef VMS
29264fa531Smrg#include <X11/Xlib.h>
30264fa531Smrg#include <stdlib.h>
31264fa531Smrg#include <X11/Xutil.h>
32264fa531Smrg#else
33264fa531Smrg#include <decw$include/Xlib.h>
34264fa531Smrg#include <decw$include/Xutil.h>
35264fa531Smrg#endif
36264fa531Smrg#if defined(XlibSpecificationRelease) && XlibSpecificationRelease >= 5
37264fa531Smrg#include <X11/Xfuncs.h>
38264fa531Smrg#endif
39264fa531Smrg#include <stddef.h>
40c37a63b8Smrg#include <X11/extensions/Xrender.h>
41264fa531Smrg
42264fa531Smrg#define POLY	     1000       /* # (small) items in poly calls	*/
43264fa531Smrg#define MAXROWS	       40       /* Max rows of items in poly calls      */
44264fa531Smrg#define MAXCOLS	       25       /* Max columns of items			*/
45264fa531Smrg
46264fa531Smrg#define WIDTH         600	/* Size of large window to work within  */
47264fa531Smrg#define HEIGHT        600
48264fa531Smrg
49264fa531Smrg#define CHILDSIZE       8       /* Size of children on windowing tests  */
50264fa531Smrg#define CHILDSPACE      4       /* Space between children		*/
51264fa531Smrg
52264fa531Smrg#define BigTile	((char *)2)		/* Big tile/stipple */
53264fa531Smrg#define OddTile	((char *)1)		/* Odd sized tile/stipple */
54264fa531Smrg
55c37a63b8Smrg#define PictStandardNative    5
56264fa531Smrg
57264fa531Smrgtypedef unsigned char Version;
58264fa531Smrg
59264fa531Smrg#define VERSION1_2  ((Version)(1 << 0))
60264fa531Smrg#define VERSION1_3  ((Version)(1 << 1))
61264fa531Smrg#define VERSION1_4  ((Version)(1 << 2))
62264fa531Smrg#define VERSION1_5  ((Version)(1 << 3))
63c37a63b8Smrg#define VERSION1_6  ((Version)(1 << 4))
64264fa531Smrg#define V1_2ONLY VERSION1_2
65c37a63b8Smrg#define V1_2FEATURE	(VERSION1_2 | VERSION1_3 | VERSION1_4 | VERSION1_5 | VERSION1_6)
66c37a63b8Smrg#define V1_3FEATURE	(VERSION1_3 | VERSION1_4 | VERSION1_5 | VERSION1_6)
67c37a63b8Smrg#define V1_4FEATURE	(VERSION1_4 | VERSION1_5 | VERSION1_6)
68c37a63b8Smrg#define V1_5FEATURE     (VERSION1_5 | VERSION1_6)
69c37a63b8Smrg#define V1_6FEATURE     (VERSION1_6)
70264fa531Smrg
71264fa531Smrgtypedef struct _Parms {
72264fa531Smrg    /* Required fields */
73264fa531Smrg    int  objects;       /* Number of objects to process in one X call	    */
74264fa531Smrg
75264fa531Smrg    /* Optional fields.  (Wouldn't object-oriented programming be nice ?)   */
76264fa531Smrg    int  special;       /* Usually size of objects to paint		    */
77264fa531Smrg    char *font, *bfont;
78264fa531Smrg    int  fillStyle;     /* Solid, transparent stipple, opaque stipple, tile */
79264fa531Smrg} ParmRec, *Parms;
80264fa531Smrg
81264fa531Smrgtypedef struct _XParms {
82264fa531Smrg    Display	    *d;
83264fa531Smrg    Window	    w;
84264fa531Smrg    Pixmap          p;
85264fa531Smrg    GC		    fggc;
86264fa531Smrg    GC		    bggc;
87264fa531Smrg    GC		    ddfggc;
88264fa531Smrg    GC		    ddbggc;
89c37a63b8Smrg    Picture	    w_picture;
90c37a63b8Smrg    Picture	    p_picture;
91264fa531Smrg    unsigned long   foreground;
92264fa531Smrg    unsigned long   background;
93264fa531Smrg    unsigned long   ddbackground;
94264fa531Smrg    XVisualInfo     vinfo;
95264fa531Smrg    Bool	    pack;
96264fa531Smrg    Version	    version;
97264fa531Smrg    Bool	    save_under;
98264fa531Smrg    int		    backing_store;
99264fa531Smrg    unsigned long   planemask;
100c37a63b8Smrg    int		    func;
101c37a63b8Smrg    int		    format;
102264fa531Smrg    Colormap	    cmap;
103264fa531Smrg} XParmRec, *XParms;
104264fa531Smrg
105264fa531Smrgtypedef int (*InitProc)(XParms xp, Parms p, int reps);
106264fa531Smrgtypedef void (*Proc)(XParms xp, Parms p, int reps);
107264fa531Smrgtypedef void (*CleanupProc)(XParms xp, Parms p);
108264fa531Smrg
109264fa531Smrgtypedef enum {
110264fa531Smrg    WINDOW,     /* Windowing test, rop, planemask have no affect	*/
111264fa531Smrg    ROP,	/* Graphics test, rop, planemask has some affect	*/
112264fa531Smrg    PLANEMASK,  /* Graphics test, rop no affect, planemask some affect  */
113c37a63b8Smrg    NONROP,     /* Graphics or overhead test, rop has no affect		*/
114c37a63b8Smrg    COMP        /* Graphics test, render op                             */
115264fa531Smrg} TestType;
116264fa531Smrg
117264fa531Smrgtypedef struct _Test {
118264fa531Smrg    char	*option;    /* Name to use in prompt line		    */
119264fa531Smrg    char	*label;     /* Fuller description of test		    */
120264fa531Smrg    char	*label14;   /* Labels that are different in Version 1.4     */
121264fa531Smrg    InitProc    init;       /* Initialization procedure			    */
122264fa531Smrg    Proc	proc;       /* Timed benchmark procedure		    */
123264fa531Smrg    CleanupProc	passCleanup;/* Cleanup between repetitions of same test     */
124264fa531Smrg    CleanupProc	cleanup;    /* Cleanup after test			    */
125264fa531Smrg    Version     versions;   /* Test in 1.2 only, 1.3 only, or both	    */
126264fa531Smrg    TestType    testType;   /* Windowing, graphics rop, graphics non-rop    */
127264fa531Smrg    int		clips;      /* Number of obscuring windows to force clipping*/
128264fa531Smrg    ParmRec     parms;      /* Parameters passed to test procedures	    */
129264fa531Smrg} Test;
130264fa531Smrg
131264fa531Smrgextern void NullProc(XParms xp, Parms p);
132264fa531Smrgextern int NullInitProc(XParms xp, Parms p, int reps);
133264fa531Smrg
134264fa531Smrgextern Test test[];
135264fa531Smrg
136264fa531Smrgextern int abortTest;
137264fa531Smrg
138264fa531Smrgextern void AbortTest (void);
139264fa531Smrg
140264fa531Smrg#define CheckAbort()  if (abortTest) AbortTest ()
141264fa531Smrg#define ForEachTest(x) for (x = 0; test[x].option != NULL; x++)
142264fa531Smrg
143264fa531Smrg
144264fa531Smrg/* do_arcs.c */
145264fa531Smrgextern int InitCircles ( XParms xp, Parms p, int reps );
146264fa531Smrgextern int InitPartCircles ( XParms xp, Parms p, int reps );
147264fa531Smrgextern int InitChordPartCircles ( XParms xp, Parms p, int reps );
148264fa531Smrgextern int InitSlicePartCircles ( XParms xp, Parms p, int reps );
149264fa531Smrgextern int InitWideCircles ( XParms xp, Parms p, int reps );
150264fa531Smrgextern int InitPartWideCircles ( XParms xp, Parms p, int reps );
151264fa531Smrgextern int InitDashedCircles ( XParms xp, Parms p, int reps );
152264fa531Smrgextern int InitWideDashedCircles ( XParms xp, Parms p, int reps );
153264fa531Smrgextern int InitDoubleDashedCircles ( XParms xp, Parms p, int reps );
154264fa531Smrgextern int InitWideDoubleDashedCircles ( XParms xp, Parms p, int reps );
155264fa531Smrgextern int InitEllipses ( XParms xp, Parms p, int reps );
156264fa531Smrgextern int InitPartEllipses ( XParms xp, Parms p, int reps );
157264fa531Smrgextern int InitChordPartEllipses ( XParms xp, Parms p, int reps );
158264fa531Smrgextern int InitSlicePartEllipses ( XParms xp, Parms p, int reps );
159264fa531Smrgextern int InitWideEllipses ( XParms xp, Parms p, int reps );
160264fa531Smrgextern int InitPartWideEllipses ( XParms xp, Parms p, int reps );
161264fa531Smrgextern int InitDashedEllipses ( XParms xp, Parms p, int reps );
162264fa531Smrgextern int InitWideDashedEllipses ( XParms xp, Parms p, int reps );
163264fa531Smrgextern int InitDoubleDashedEllipses ( XParms xp, Parms p, int reps );
164264fa531Smrgextern int InitWideDoubleDashedEllipses ( XParms xp, Parms p, int reps );
165264fa531Smrgextern void DoArcs ( XParms xp, Parms p, int reps );
166264fa531Smrgextern void DoFilledArcs ( XParms xp, Parms p, int reps );
167264fa531Smrgextern void EndArcs ( XParms xp, Parms p );
168264fa531Smrg
169264fa531Smrg/* do_blt.c */
170264fa531Smrgextern int InitScroll ( XParms xp, Parms p, int reps );
171264fa531Smrgextern void DoScroll ( XParms xp, Parms p, int reps );
172264fa531Smrgextern void MidScroll ( XParms xp, Parms p );
173264fa531Smrgextern void EndScroll ( XParms xp, Parms p );
174264fa531Smrgextern int InitCopyWin ( XParms xp, Parms p, int reps );
175264fa531Smrgextern int InitCopyPix ( XParms xp, Parms p, int reps );
176264fa531Smrgextern int InitGetImage ( XParms xp, Parms p, int reps );
177264fa531Smrgextern int InitPutImage ( XParms xp, Parms p, int reps );
178264fa531Smrgextern void DoCopyWinWin ( XParms xp, Parms p, int reps );
179264fa531Smrgextern void DoCopyPixWin ( XParms xp, Parms p, int reps );
180264fa531Smrgextern void DoCopyWinPix ( XParms xp, Parms p, int reps );
181264fa531Smrgextern void DoCopyPixPix ( XParms xp, Parms p, int reps );
182264fa531Smrgextern void DoGetImage ( XParms xp, Parms p, int reps );
183264fa531Smrgextern void DoPutImage ( XParms xp, Parms p, int reps );
184264fa531Smrg#ifdef MITSHM
185264fa531Smrgextern int InitShmPutImage ( XParms xp, Parms p, int reps );
186264fa531Smrgextern void DoShmPutImage ( XParms xp, Parms p, int reps );
187264fa531Smrgextern void EndShmPutImage ( XParms xp, Parms p );
188264fa531Smrg#endif
189264fa531Smrgextern void MidCopyPix ( XParms xp, Parms p );
190264fa531Smrgextern void EndCopyWin ( XParms xp, Parms p );
191264fa531Smrgextern void EndCopyPix ( XParms xp, Parms p );
192264fa531Smrgextern void EndGetImage ( XParms xp, Parms p );
193264fa531Smrgextern int InitCopyPlane ( XParms xp, Parms p, int reps );
194264fa531Smrgextern void DoCopyPlane ( XParms xp, Parms p, int reps );
195264fa531Smrg
196c37a63b8Smrgint
197c37a63b8SmrgInitCompositeWin(XParms xp, Parms p, int reps);
198c37a63b8Smrg
199c37a63b8Smrgvoid
200c37a63b8SmrgEndCompositeWin (XParms xp, Parms p);
201c37a63b8Smrg
202c37a63b8Smrgvoid
203c37a63b8SmrgDoCompositeWinWin (XParms xp, Parms p, int reps);
204c37a63b8Smrg
205c37a63b8Smrgint
206c37a63b8SmrgInitCompositePix(XParms xp, Parms p, int reps);
207c37a63b8Smrg
208c37a63b8Smrgvoid
209c37a63b8SmrgEndCompositePix (XParms xp, Parms p);
210c37a63b8Smrg
211c37a63b8Smrgvoid
212c37a63b8SmrgDoCompositePixWin (XParms xp, Parms p, int reps);
213c37a63b8Smrg
214264fa531Smrg/* do_complex.c */
215264fa531Smrgextern int InitComplexPoly ( XParms xp, Parms p, int reps );
216264fa531Smrgextern void DoComplexPoly ( XParms xp, Parms p, int reps );
217264fa531Smrgextern void EndComplexPoly ( XParms xp, Parms p );
218264fa531Smrgextern int InitGeneralPoly ( XParms xp, Parms p, int reps );
219264fa531Smrgextern void DoGeneralPoly ( XParms xp, Parms p, int reps );
220264fa531Smrg
221264fa531Smrg/* do_dots.c */
222264fa531Smrgextern int InitDots ( XParms xp, Parms p, int reps );
223264fa531Smrgextern void DoDots ( XParms xp, Parms p, int reps );
224264fa531Smrgextern void EndDots ( XParms xp, Parms p );
225264fa531Smrg
226264fa531Smrg/* do_lines.c */
227264fa531Smrgextern int InitLines ( XParms xp, Parms p, int reps );
228264fa531Smrgextern int InitWideLines ( XParms xp, Parms p, int reps );
229264fa531Smrgextern int InitDashedLines ( XParms xp, Parms p, int reps );
230264fa531Smrgextern int InitWideDashedLines ( XParms xp, Parms p, int reps );
231264fa531Smrgextern int InitDoubleDashedLines ( XParms xp, Parms p, int reps );
232264fa531Smrgextern int InitWideDoubleDashedLines ( XParms xp, Parms p, int reps );
233264fa531Smrgextern void DoLines ( XParms xp, Parms p, int reps );
234264fa531Smrgextern void EndLines ( XParms xp, Parms p );
235264fa531Smrg
236264fa531Smrg/* do_movewin.c */
237264fa531Smrgextern int InitMoveWindows ( XParms xp, Parms p, int reps );
238264fa531Smrgextern void DoMoveWindows ( XParms xp, Parms p, int reps );
239264fa531Smrgextern void EndMoveWindows ( XParms xp, Parms p );
240264fa531Smrgextern void DoResizeWindows ( XParms xp, Parms p, int reps );
241264fa531Smrgextern int InitCircWindows ( XParms xp, Parms p, int reps );
242264fa531Smrgextern void DoCircWindows ( XParms xp, Parms p, int reps );
243264fa531Smrgextern void EndCircWindows ( XParms xp, Parms p );
244264fa531Smrgextern int InitMoveTree ( XParms xp, Parms p, int reps );
245264fa531Smrgextern void DoMoveTree ( XParms xp, Parms p, int reps );
246264fa531Smrgextern void EndMoveTree ( XParms xp, Parms p );
247264fa531Smrg
248264fa531Smrg/* do_rects.c */
249264fa531Smrgextern int InitRectangles ( XParms xp, Parms p, int reps );
250264fa531Smrgextern void DoRectangles ( XParms xp, Parms p, int reps );
251264fa531Smrgextern void DoOutlineRectangles ( XParms xp, Parms p, int reps );
252264fa531Smrgextern void EndRectangles ( XParms xp, Parms p );
253264fa531Smrg
254264fa531Smrg/* do_segs.c */
255264fa531Smrgextern int InitSegments ( XParms xp, Parms p, int reps );
256264fa531Smrgextern int InitDashedSegments ( XParms xp, Parms p, int reps );
257264fa531Smrgextern int InitDoubleDashedSegments ( XParms xp, Parms p, int reps );
258264fa531Smrgextern int InitHorizSegments ( XParms xp, Parms p, int reps );
259264fa531Smrgextern int InitWideHorizSegments ( XParms xp, Parms p, int reps );
260264fa531Smrgextern int InitVertSegments ( XParms xp, Parms p, int reps );
261264fa531Smrgextern int InitWideVertSegments ( XParms xp, Parms p, int reps );
262264fa531Smrgextern void DoSegments ( XParms xp, Parms p, int reps );
263264fa531Smrgextern void EndSegments ( XParms xp, Parms p );
264264fa531Smrg
265264fa531Smrg/* do_simple.c */
266264fa531Smrgextern void DoNoOp ( XParms xp, Parms p, int reps );
267264fa531Smrgextern void DoGetAtom ( XParms xp, Parms p, int reps );
268264fa531Smrgextern void DoQueryPointer ( XParms xp, Parms p, int reps );
269264fa531Smrgextern int InitGetProperty ( XParms xp, Parms p, int reps );
270264fa531Smrgextern void DoGetProperty ( XParms xp, Parms p, int reps );
271264fa531Smrg
272264fa531Smrg/* do_text.c */
273264fa531Smrgextern int InitText ( XParms xp, Parms p, int reps );
274264fa531Smrgextern int InitText16 ( XParms xp, Parms p, int reps );
275264fa531Smrgextern void DoText ( XParms xp, Parms p, int reps );
276264fa531Smrgextern void DoText16 ( XParms xp, Parms p, int reps );
277264fa531Smrgextern void DoPolyText ( XParms xp, Parms p, int reps );
278264fa531Smrgextern void DoPolyText16 ( XParms xp, Parms p, int reps );
279264fa531Smrgextern void DoImageText ( XParms xp, Parms p, int reps );
280264fa531Smrgextern void DoImageText16 ( XParms xp, Parms p, int reps );
281264fa531Smrgextern void ClearTextWin ( XParms xp, Parms p );
282264fa531Smrgextern void EndText ( XParms xp, Parms p );
283264fa531Smrgextern void EndText16 ( XParms xp, Parms p );
284264fa531Smrg#ifdef XFT
285264fa531Smrgextern int InitAAText (XParms xp, Parms p, int reps );
286264fa531Smrgextern void DoAAText (XParms xp, Parms p, int reps );
287264fa531Smrgextern void EndAAText ( XParms xp, Parms p );
288264fa531Smrg#endif
289264fa531Smrg
290264fa531Smrg/* do_traps.c */
291264fa531Smrgextern int InitTrapezoids ( XParms xp, Parms p, int reps );
292264fa531Smrgextern void DoTrapezoids ( XParms xp, Parms p, int reps );
293264fa531Smrgextern void EndTrapezoids ( XParms xp, Parms p );
294736a7e2cSmrg#if defined(XRENDER) && defined(XFT)
295264fa531Smrgextern int InitFixedTraps ( XParms xp, Parms p, int reps );
296264fa531Smrgextern void DoFixedTraps ( XParms xp, Parms p, int reps );
297264fa531Smrgextern void EndFixedTraps ( XParms xp, Parms p );
298264fa531Smrgextern int InitFixedTrapezoids ( XParms xp, Parms p, int reps );
299264fa531Smrgextern void DoFixedTrapezoids ( XParms xp, Parms p, int reps );
300264fa531Smrgextern void EndFixedTrapezoids ( XParms xp, Parms p );
301264fa531Smrg#endif
302264fa531Smrg
303264fa531Smrg/* do_tris.c */
304264fa531Smrgextern int InitTriangles ( XParms xp, Parms p, int reps );
305264fa531Smrgextern void DoTriangles ( XParms xp, Parms p, int reps );
306264fa531Smrgextern void EndTriangles ( XParms xp, Parms p );
307264fa531Smrg
308264fa531Smrg/* do_valgc.c */
309264fa531Smrgextern int InitGC ( XParms xp, Parms p, int reps );
310264fa531Smrgextern void DoChangeGC ( XParms xp, Parms p, int reps );
311264fa531Smrgextern void EndGC ( XParms xp, Parms p );
312264fa531Smrg
313264fa531Smrg/* do_windows.c */
314264fa531Smrgextern int CreateParents ( XParms xp, Parms p, int reps );
315264fa531Smrgextern void MapParents ( XParms xp, Parms p, int reps );
316264fa531Smrgextern void MapParentsCleanup ( XParms xp, Parms p );
317264fa531Smrgextern int InitCreate ( XParms xp, Parms p, int reps );
318264fa531Smrgextern void CreateChildren ( XParms xp, Parms p, int reps );
319264fa531Smrgextern void DestroyChildren ( XParms xp, Parms p );
320264fa531Smrgextern void EndCreate ( XParms xp, Parms p );
321264fa531Smrgextern int InitMap ( XParms xp, Parms p, int reps );
322264fa531Smrgextern void UnmapParents ( XParms xp, Parms p, int reps );
323264fa531Smrgextern void UnmapParentsCleanup ( XParms xp, Parms p);
324264fa531Smrgextern int InitDestroy ( XParms xp, Parms p, int reps );
325264fa531Smrgextern void DestroyParents ( XParms xp, Parms p, int reps );
326264fa531Smrgextern void RenewParents ( XParms xp, Parms p );
327264fa531Smrgextern int InitPopups ( XParms xp, Parms p, int reps );
328264fa531Smrgextern void DoPopUps ( XParms xp, Parms p, int reps );
329264fa531Smrgextern void EndPopups ( XParms xp, Parms p );
330264fa531Smrg
331264fa531Smrg
332264fa531Smrg/*****************************************************************************
333264fa531Smrg
334264fa531SmrgAbout x11perf:
335264fa531Smrg
336264fa531SmrgMany graphics benchmarks assume that the graphics device is used to display the
337264fa531Smrgoutput of a single fancy graphics application, and that the user gets his work
338264fa531Smrgdone on some other device, like a terminal.  Such benchmarks usually measure
339264fa531Smrgdrawing speed for lines, polygons, text, etc.
340264fa531Smrg
341264fa531SmrgSince workstations are not used as standalone graphics engines, but as
342264fa531Smrgsuper-terminals, x11perf measures window management performance as well as
343264fa531Smrgtraditional graphics performace.  x11perf includes benchmarks for the time it
344264fa531Smrgtakes to create and map windows (as when you start up an application); to map a
345264fa531Smrgpre-existing set of windows onto the screen (as when you deiconify an
346264fa531Smrgapplication or pop up a menu); and to rearrange windows (as when you slosh
347264fa531Smrgwindows to and fro trying to find the one you want).
348264fa531Smrg
349264fa531Smrgx11perf also measures graphics performance for operations not normally used in
350264fa531Smrgstandalone graphics displays, but are nonetheless used frequently by X
351264fa531Smrgapplications.  Such operations include CopyPlane (used by the PostScript
352264fa531Smrgpreviewer), scrolling (used in text windows), and various stipples and tiles
353264fa531Smrg(used for CAD and half-toning, respectively).
354264fa531Smrg
355264fa531Smrgx11perf DOES NOT attempt to whittle down measurements to a single ``HeXStones''
356264fa531Smrgnumber.  We consider such numbers to be uninformative at best and misleading at
357264fa531Smrgworst.  x11perf should be used to analyze particular strengths and weaknesses
358264fa531Smrgof servers, and is most useful when used by a server writer who wants to
359264fa531Smrganalyze and improve a server.
360264fa531Smrg
361264fa531SmrgFor repeatable results, x11perf should be run using a local connection on a
362264fa531Smrgfreshly-started server.  The default configuration runs each test 5 times, in
363264fa531Smrgorder to see if each trial takes approximately the same amount of time.
364264fa531SmrgStrange glitches should be examined; if non-repeatable I chalk them up to
365264fa531Smrgdaemons and network traffic.  Each trial is run for 5 seconds, in order to
366264fa531Smrgreduce random time differences.  The number of objects processed per second is
367264fa531Smrgdisplayed to 3 significant digits, but you'll be lucky on most UNIX system if
368264fa531Smrgthe numbers are actually consistent to 2 digits.
369264fa531Smrg
370264fa531SmrgThe current program is mostly the responsibility of Joel McCormack.  It is
371264fa531Smrgbased upon the x11perf developed by Phil Karlton, Susan Angebranndt, and Chris
372264fa531SmrgKent, who wanted to assess performance differences between various servers.
373264fa531SmrgMary Walker, Todd Newman, and I added several tests in order to write and tune
374264fa531Smrgthe pmax (DECStation 3100) servers.  For a general release to the world, I've
375264fa531Smrgbasically rewritten x11perf to ease making comparisons between widely varying
376264fa531Smrgmachines, to cover most important X functionality (the notable exception being
377264fa531Smrgwide lines), and to exercise graphics operations in as many different
378264fa531Smrgorientations and alignments as possible.
379264fa531Smrg
380264fa531Smrg******************************************************************************/
381