build-performance.m4 revision 457:3156dff953b1 
1#
2# Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
3# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4#
5# This code is free software; you can redistribute it and/or modify it
6# under the terms of the GNU General Public License version 2 only, as
7# published by the Free Software Foundation.  Oracle designates this
8# particular file as subject to the "Classpath" exception as provided
9# by Oracle in the LICENSE file that accompanied this code.
10#
11# This code is distributed in the hope that it will be useful, but WITHOUT
12# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14# version 2 for more details (a copy is included in the LICENSE file that
15# accompanied this code).
16#
17# You should have received a copy of the GNU General Public License version
18# 2 along with this work; if not, write to the Free Software Foundation,
19# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20#
21# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22# or visit www.oracle.com if you need additional information or have any
23# questions.
24#
25
26AC_DEFUN([BPERF_CHECK_CORES],
27[
28    AC_MSG_CHECKING([for number of cores])
29    NUM_CORES=1
30    FOUND_CORES=no
31    
32    if test -f /proc/cpuinfo; then
33        # Looks like a Linux system
34        NUM_CORES=`cat /proc/cpuinfo  | grep -c processor`
35        FOUND_CORES=yes
36    fi
37
38    if test -x /usr/sbin/psrinfo; then
39        # Looks like a Solaris system
40        NUM_CORES=`LC_MESSAGES=C /usr/sbin/psrinfo -v | grep -c on-line`
41        FOUND_CORES=yes
42    fi
43
44    if test -x /usr/sbin/system_profiler; then
45        # Looks like a MacOSX system
46        NUM_CORES=`/usr/sbin/system_profiler -detailLevel full SPHardwareDataType | grep 'Cores' | awk  '{print [$]5}'`
47        FOUND_CORES=yes
48    fi
49
50    if test "x$build_os" = xwindows; then
51        NUM_CORES=4
52    fi
53
54    # For c/c++ code we run twice as many concurrent build
55    # jobs than we have cores, otherwise we will stall on io.
56    CONCURRENT_BUILD_JOBS=`expr $NUM_CORES \* 2`
57
58    if test "x$FOUND_CORES" = xyes; then
59        AC_MSG_RESULT([$NUM_CORES])
60    else
61        AC_MSG_RESULT([could not detect number of cores, defaulting to 1!])
62    fi 
63
64])
65
66AC_DEFUN([BPERF_CHECK_MEMORY_SIZE],
67[
68    AC_MSG_CHECKING([for memory size])
69    # Default to 1024MB
70    MEMORY_SIZE=1024
71    FOUND_MEM=no
72    
73    if test -f /proc/cpuinfo; then
74        # Looks like a Linux system
75        MEMORY_SIZE=`cat /proc/meminfo | grep MemTotal | awk '{print [$]2}'`
76        MEMORY_SIZE=`expr $MEMORY_SIZE / 1024`
77        FOUND_MEM=yes
78    fi
79
80    if test -x /usr/sbin/prtconf; then
81        # Looks like a Solaris system
82        MEMORY_SIZE=`/usr/sbin/prtconf | grep "Memory size" | awk '{ print [$]3 }'`
83        FOUND_MEM=yes
84    fi
85
86    if test -x /usr/sbin/system_profiler; then
87        # Looks like a MacOSX system
88        MEMORY_SIZE=`/usr/sbin/system_profiler -detailLevel full SPHardwareDataType | grep 'Memory' | awk  '{print [$]2}'`
89        MEMORY_SIZE=`expr $MEMORY_SIZE \* 1024`
90        FOUND_MEM=yes
91    fi
92
93    if test "x$build_os" = xwindows; then
94        MEMORY_SIZE=`systeminfo | grep 'Total Physical Memory:' | awk '{ print [$]4 }' | sed 's/,//'`
95        FOUND_MEM=yes    
96    fi
97
98    if test "x$FOUND_MEM" = xyes; then
99        AC_MSG_RESULT([$MEMORY_SIZE MB])
100    else
101        AC_MSG_RESULT([could not detect memory size defaulting to 1024MB!])
102    fi 
103])
104
105AC_DEFUN_ONCE([BPERF_SETUP_BUILD_CORES],
106[
107# How many cores do we have on this build system?
108AC_ARG_WITH(num-cores, [AS_HELP_STRING([--with-num-cores],
109    [number of cores in the build system, e.g. --with-num-cores=8 @<:@probed@:>@])])
110if test "x$with_num_cores" = x; then
111    # The number of cores were not specified, try to probe them.
112    BPERF_CHECK_CORES
113else
114    NUM_CORES=$with_num_cores
115    CONCURRENT_BUILD_JOBS=`expr $NUM_CORES \* 2`
116fi
117AC_SUBST(NUM_CORES)
118AC_SUBST(CONCURRENT_BUILD_JOBS)
119])
120
121AC_DEFUN_ONCE([BPERF_SETUP_BUILD_MEMORY],
122[
123# How much memory do we have on this build system?
124AC_ARG_WITH(memory-size, [AS_HELP_STRING([--with-memory-size],
125    [memory (in MB) available in the build system, e.g. --with-memory-size=1024 @<:@probed@:>@])])
126if test "x$with_memory_size" = x; then
127    # The memory size was not specified, try to probe it.
128    BPERF_CHECK_MEMORY_SIZE
129else
130    MEMORY_SIZE=$with_memory_size
131fi
132AC_SUBST(MEMORY_SIZE)
133])
134
135AC_DEFUN([BPERF_SETUP_CCACHE],
136[
137    AC_ARG_ENABLE([ccache],
138	      [AS_HELP_STRING([--disable-ccache],
139	      		      [use ccache to speed up recompilations @<:@enabled@:>@])],
140              [ENABLE_CCACHE=${enable_ccache}], [ENABLE_CCACHE=yes])
141    if test "x$ENABLE_CCACHE" = xyes; then
142        AC_PATH_PROG(CCACHE, ccache)
143    else
144        AC_MSG_CHECKING([for ccache])
145        AC_MSG_RESULT([explicitly disabled])    
146        CCACHE=
147    fi    
148    AC_SUBST(CCACHE)
149
150    AC_ARG_WITH([ccache-dir],
151	      [AS_HELP_STRING([--with-ccache-dir],
152	      		      [where to store ccache files @<:@~/.ccache@:>@])])
153
154    if test "x$with_ccache_dir" != x; then
155        # When using a non home ccache directory, assume the use is to share ccache files
156        # with other users. Thus change the umask.
157        SET_CCACHE_DIR="CCACHE_DIR=$with_ccache_dir CCACHE_UMASK=002"
158    fi
159    CCACHE_FOUND=""
160    if test "x$CCACHE" != x; then
161        BPERF_SETUP_CCACHE_USAGE
162    fi    
163])
164
165AC_DEFUN([BPERF_SETUP_CCACHE_USAGE],
166[
167    if test "x$CCACHE" != x; then
168        CCACHE_FOUND="true"
169        # Only use ccache if it is 3.1.4 or later, which supports
170        # precompiled headers.
171        AC_MSG_CHECKING([if ccache supports precompiled headers])
172        HAS_GOOD_CCACHE=`($CCACHE --version | head -n 1 | grep -E 3.1.@<:@456789@:>@) 2> /dev/null`
173        if test "x$HAS_GOOD_CCACHE" = x; then
174            AC_MSG_RESULT([no, disabling ccache])
175            CCACHE=
176        else
177            AC_MSG_RESULT([yes])
178            AC_MSG_CHECKING([if C-compiler supports ccache precompiled headers])
179            PUSHED_FLAGS="$CXXFLAGS"
180            CXXFLAGS="-fpch-preprocess $CXXFLAGS"
181            AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], [CC_KNOWS_CCACHE_TRICK=yes], [CC_KNOWS_CCACHE_TRICK=no])
182            CXXFLAGS="$PUSHED_FLAGS"
183            if test "x$CC_KNOWS_CCACHE_TRICK" = xyes; then
184                AC_MSG_RESULT([yes])
185            else
186                AC_MSG_RESULT([no, disabling ccaching of precompiled headers])
187                CCACHE=
188            fi
189        fi
190    fi
191
192    if test "x$CCACHE" != x; then
193        CCACHE_SLOPPINESS=time_macros
194        CCACHE="CCACHE_COMPRESS=1 $SET_CCACHE_DIR CCACHE_SLOPPINESS=$CCACHE_SLOPPINESS $CCACHE"
195        CCACHE_FLAGS=-fpch-preprocess
196
197        if test "x$SET_CCACHE_DIR" != x; then
198            mkdir -p $CCACHE_DIR > /dev/null 2>&1
199	    chmod a+rwxs $CCACHE_DIR > /dev/null 2>&1
200        fi
201    fi
202])
203
204AC_DEFUN_ONCE([BPERF_SETUP_PRECOMPILED_HEADERS],
205[
206       
207###############################################################################
208#
209# Can the C/C++ compiler use precompiled headers?
210#
211AC_ARG_ENABLE([precompiled-headers], [AS_HELP_STRING([--disable-precompiled-headers],
212	[use precompiled headers when compiling C++ @<:@enabled@:>@])],
213    [ENABLE_PRECOMPH=${enable_precompiled-headers}], [ENABLE_PRECOMPH=yes])
214
215USE_PRECOMPILED_HEADER=1
216if test "x$ENABLE_PRECOMPH" = xno; then
217    USE_PRECOMPILED_HEADER=0
218fi
219
220if test "x$ENABLE_PRECOMPH" = xyes; then
221    # Check that the compiler actually supports precomp headers.
222    if test "x$GCC" = xyes; then
223         AC_MSG_CHECKING([that precompiled headers work])         
224         echo "int alfa();" > conftest.h
225         $CXX -x c++-header conftest.h -o conftest.hpp.gch
226         if test ! -f conftest.hpp.gch; then
227             echo Precompiled header is not working!
228             USE_PRECOMPILED_HEADER=0
229             AC_MSG_RESULT([no])        
230         else
231             AC_MSG_RESULT([yes])
232         fi
233         rm -f conftest.h
234    fi
235fi
236
237AC_SUBST(USE_PRECOMPILED_HEADER)
238])
239
240
241AC_DEFUN_ONCE([BPERF_SETUP_SMART_JAVAC],
242[
243AC_ARG_WITH(server-java, [AS_HELP_STRING([--with-server-java],
244	[use this java binary for running the javac background server and other long running java tasks in the build process,
245     e.g. ---with-server-java="/opt/jrockit/bin/java -server"])])
246
247if test "x$with_server_java" != x; then
248    SERVER_JAVA="$with_server_java"
249    FOUND_VERSION=`$SERVER_JAVA -version 2>&1 | grep " version \""`
250    if test "x$FOUND_VERSION" = x; then
251        AC_MSG_ERROR([Could not execute server java: $SERVER_JAVA])
252    fi
253else
254    SERVER_JAVA=""
255    # Hotspot specific options.
256    ADD_JVM_ARG_IF_OK([-XX:+UseParallelOldGC],SERVER_JAVA,[$JAVA])
257    ADD_JVM_ARG_IF_OK([-verbosegc],SERVER_JAVA,[$JAVA])
258    # JRockit specific options.
259    ADD_JVM_ARG_IF_OK([-Xverbose:gc],SERVER_JAVA,[$JAVA])
260    SERVER_JAVA="$JAVA $SERVER_JAVA"
261fi                    
262AC_SUBST(SERVER_JAVA)
263
264AC_MSG_CHECKING([whether to use shared server for javac])
265AC_ARG_ENABLE([javac-server], [AS_HELP_STRING([--enable-javac-server],
266	[enable the shared javac server during the build process @<:@disabled@:>@])],
267	[ENABLE_JAVAC_SERVER="${enableval}"], [ENABLE_JAVAC_SERVER='no'])
268AC_MSG_RESULT([$ENABLE_JAVAC_SERVER])
269if test "x$ENABLE_JAVAC_SERVER" = xyes; then
270    JAVAC_USE_REMOTE=true
271    JAVAC_SERVERS="$OUTPUT_ROOT/javacservers"
272else
273    JAVAC_USE_REMOTE=false
274    JAVAC_SERVERS=
275fi
276AC_SUBST(JAVAC_USE_REMOTE)
277AC_SUBST(JAVAC_SERVERS)
278
279AC_ARG_WITH(javac-server-cores, [AS_HELP_STRING([--with-javac-server-cores],
280	[use at most this number of concurrent threads on the javac server @<:@probed@:>@])])
281if test "x$with_javac_server_cores" != x; then
282    JAVAC_SERVER_CORES="$with_javac_server_cores"
283else
284    if test "$NUM_CORES" -gt 16; then
285        # We set this arbitrary limit because we want to limit the heap
286        # size of the javac server.
287        # In the future we will make the javac compilers in the server
288        # share more and more state, thus enabling us to use more and
289        # more concurrent threads in the server.
290        JAVAC_SERVER_CORES="16"
291    else
292        JAVAC_SERVER_CORES="$NUM_CORES"
293    fi
294
295    if test "$MEMORY_SIZE" -gt "17000"; then
296        MAX_HEAP_MEM=10000
297        ADD_JVM_ARG_IF_OK([-d64],SERVER_JAVA,[$SERVER_JAVA])
298        ADD_JVM_ARG_IF_OK([-Xms10G -Xmx10G],SERVER_JAVA,[$SERVER_JAVA])
299        ADD_JVM_ARG_IF_OK([-Xmn2G],SERVER_JAVA,[$SERVER_JAVA])
300    elif test "$MEMORY_SIZE" -gt "10000"; then
301        MAX_HEAP_MEM=6000
302        ADD_JVM_ARG_IF_OK([-d64],SERVER_JAVA,[$SERVER_JAVA])
303        ADD_JVM_ARG_IF_OK([-Xms6G -Xmx6G],SERVER_JAVA,[$SERVER_JAVA])
304        ADD_JVM_ARG_IF_OK([-Xmn1G],SERVER_JAVA,[$SERVER_JAVA])
305    elif test "$MEMORY_SIZE" -gt "5000"; then
306        MAX_HEAP_MEM=3000
307        ADD_JVM_ARG_IF_OK([-d64],SERVER_JAVA,[$SERVER_JAVA])
308        ADD_JVM_ARG_IF_OK([-Xms1G -Xmx3G],SERVER_JAVA,[$SERVER_JAVA])
309        ADD_JVM_ARG_IF_OK([-Xmn256M],SERVER_JAVA,[$SERVER_JAVA])
310    elif test "$MEMORY_SIZE" -gt "3800"; then
311        MAX_HEAP_MEM=2500
312        ADD_JVM_ARG_IF_OK([-Xms1G -Xmx2500M],SERVER_JAVA,[$SERVER_JAVA])
313        ADD_JVM_ARG_IF_OK([-Xmn256M],SERVER_JAVA,[$SERVER_JAVA])
314    elif test "$MEMORY_SIZE" -gt "1900"; then
315        MAX_HEAP_MEM=1200
316        ADD_JVM_ARG_IF_OK([-Xms700M -Xmx1200M],SERVER_JAVA,[$SERVER_JAVA])
317        ADD_JVM_ARG_IF_OK([-Xmn256M],SERVER_JAVA,[$SERVER_JAVA])
318    elif test "$MEMORY_SIZE" -gt "1000"; then
319        MAX_HEAP_MEM=900
320        ADD_JVM_ARG_IF_OK([-Xms400M -Xmx900M],SERVER_JAVA,[$SERVER_JAVA])
321        ADD_JVM_ARG_IF_OK([-Xmn128M],SERVER_JAVA,[$SERVER_JAVA])
322    else
323        MAX_HEAP_MEM=512
324        ADD_JVM_ARG_IF_OK([-Xms256M -Xmx512M],SERVER_JAVA,[$SERVER_JAVA])
325        ADD_JVM_ARG_IF_OK([-Xmn128M],SERVER_JAVA,[$SERVER_JAVA])
326    fi
327
328    MAX_COMPILERS_IN_HEAP=`expr $MAX_HEAP_MEM / 501`
329    if test "$JAVAC_SERVER_CORES" -gt "$MAX_COMPILERS_IN_HEAP"; then
330        AC_MSG_CHECKING([if number of server cores must be reduced])
331        JAVAC_SERVER_CORES="$MAX_COMPILERS_IN_HEAP"
332        AC_MSG_RESULT([yes, to $JAVAC_SERVER_CORES with max heap size $MAX_HEAP_MEM MB])
333    fi
334fi                    
335AC_SUBST(JAVAC_SERVER_CORES)
336
337AC_MSG_CHECKING([whether to track dependencies between Java packages])
338AC_ARG_ENABLE([javac-deps], [AS_HELP_STRING([--enable-javac-deps],
339	[enable the dependency tracking between Java packages @<:@disabled@:>@])],
340	[ENABLE_JAVAC_DEPS="${enableval}"], [ENABLE_JAVAC_DEPS='no'])
341AC_MSG_RESULT([$ENABLE_JAVAC_DEPS])
342if test "x$ENABLE_JAVAC_DEPS" = xyes; then
343    JAVAC_USE_DEPS=true
344else
345    JAVAC_USE_DEPS=false
346fi
347AC_SUBST(JAVAC_USE_DEPS)
348
349AC_MSG_CHECKING([whether to use multiple cores for javac compilation])
350AC_ARG_ENABLE([javac-multi-core], [AS_HELP_STRING([--enable-javac-multi-core],
351	[compile Java packages concurrently @<:@disabled@:>@])],
352	[ENABLE_JAVAC_MULTICORE="${enableval}"], [ENABLE_JAVAC_MULTICORE='no'])
353AC_MSG_RESULT([$ENABLE_JAVAC_MULTICORE])
354if test "x$ENABLE_JAVAC_MULTICORE" = xyes; then
355    JAVAC_USE_MODE=MULTI_CORE_CONCURRENT
356else
357    JAVAC_USE_MODE=SINGLE_THREADED_BATCH
358    if test "x$ENABLE_JAVAC_DEPS" = xyes; then
359        AC_MSG_WARN([Dependency tracking is not supported with single threaded batch compiles of Java source roots. Please add --disable-javac-deps to your configure options.])
360        AC_MSG_WARN([Disabling dependency tracking for you now.])
361        JAVAC_USE_DEPS=false
362    fi
363    if test "x$ENABLE_JAVAC_SERVER" = xyes; then
364        AC_MSG_WARN([The javac server will not be used since single threaded batch compiles are run within their own JVM. Please add --disable-javac-server to your configure options.])
365        AC_MSG_WARN([Disabling javac server for you now.])
366        JAVAC_USE_REMOTE=false
367    fi
368fi
369AC_SUBST(JAVAC_USE_MODE)
370
371AC_MSG_CHECKING([whether to use sjavac])
372AC_ARG_ENABLE([sjavac], [AS_HELP_STRING([--enable-sjavac],
373	[use sjavac to do fast incremental compiles @<:@disabled@:>@])],
374	[ENABLE_SJAVAC="${enableval}"], [ENABLE_SJAVAC='no'])
375AC_MSG_RESULT([$ENABLE_SJAVAC])
376AC_SUBST(ENABLE_SJAVAC)
377
378])
379