build-performance.m4 revision 510:582c696033f5 
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
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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
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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 (or cygwin) system
34        NUM_CORES=`cat /proc/cpuinfo  | grep -c processor`
35        FOUND_CORES=yes
36    elif test -x /usr/sbin/psrinfo; then
37        # Looks like a Solaris system
38        NUM_CORES=`LC_MESSAGES=C /usr/sbin/psrinfo -v | grep -c on-line`
39        FOUND_CORES=yes
40    elif test -x /usr/sbin/system_profiler; then
41        # Looks like a MacOSX system
42        NUM_CORES=`/usr/sbin/system_profiler -detailLevel full SPHardwareDataType | grep 'Cores' | awk  '{print [$]5}'`
43        FOUND_CORES=yes
44    elif test -n "$NUMBER_OF_PROCESSORS"; then
45        # On windows, look in the env
46        NUM_CORES=$NUMBER_OF_PROCESSORS
47        FOUND_CORES=yes
48    fi
49
50    # For c/c++ code we run twice as many concurrent build
51    # jobs than we have cores, otherwise we will stall on io.
52    CONCURRENT_BUILD_JOBS=`expr $NUM_CORES \* 2`
53
54    if test "x$FOUND_CORES" = xyes; then
55        AC_MSG_RESULT([$NUM_CORES])
56    else
57        AC_MSG_RESULT([could not detect number of cores, defaulting to 1])
58        AC_MSG_WARN([This will disable all parallelism from build!])
59    fi 
60
61])
62
63AC_DEFUN([BPERF_CHECK_MEMORY_SIZE],
64[
65    AC_MSG_CHECKING([for memory size])
66    # Default to 1024 MB
67    MEMORY_SIZE=1024
68    FOUND_MEM=no
69    
70    if test -f /proc/meminfo; then
71        # Looks like a Linux (or cygwin) system
72        MEMORY_SIZE=`cat /proc/meminfo | grep MemTotal | awk '{print [$]2}'`
73        MEMORY_SIZE=`expr $MEMORY_SIZE / 1024`
74        FOUND_MEM=yes
75    elif test -x /usr/sbin/prtconf; then
76        # Looks like a Solaris system
77        MEMORY_SIZE=`/usr/sbin/prtconf | grep "Memory size" | awk '{ print [$]3 }'`
78        FOUND_MEM=yes
79    elif test -x /usr/sbin/system_profiler; then
80        # Looks like a MacOSX system
81        MEMORY_SIZE=`/usr/sbin/system_profiler -detailLevel full SPHardwareDataType | grep 'Memory' | awk  '{print [$]2}'`
82        MEMORY_SIZE=`expr $MEMORY_SIZE \* 1024`
83        FOUND_MEM=yes
84    elif test "x$OPENJDK_BUILD_OS" = xwindows; then
85        # Windows, but without cygwin
86        MEMORY_SIZE=`wmic computersystem get totalphysicalmemory -value | grep = | cut -d "=" -f 2-`
87        MEMORY_SIZE=`expr $MEMORY_SIZE / 1024 / 1024`
88        FOUND_MEM=yes    
89    fi
90
91    if test "x$FOUND_MEM" = xyes; then
92        AC_MSG_RESULT([$MEMORY_SIZE MB])
93    else
94        AC_MSG_RESULT([could not detect memory size, defaulting to 1024 MB])
95        AC_MSG_WARN([This might seriously impact build performance!])
96    fi 
97])
98
99AC_DEFUN_ONCE([BPERF_SETUP_BUILD_CORES],
100[
101# How many cores do we have on this build system?
102AC_ARG_WITH(num-cores, [AS_HELP_STRING([--with-num-cores],
103    [number of cores in the build system, e.g. --with-num-cores=8 @<:@probed@:>@])])
104if test "x$with_num_cores" = x; then
105    # The number of cores were not specified, try to probe them.
106    BPERF_CHECK_CORES
107else
108    NUM_CORES=$with_num_cores
109    CONCURRENT_BUILD_JOBS=`expr $NUM_CORES \* 2`
110fi
111AC_SUBST(NUM_CORES)
112AC_SUBST(CONCURRENT_BUILD_JOBS)
113])
114
115AC_DEFUN_ONCE([BPERF_SETUP_BUILD_MEMORY],
116[
117# How much memory do we have on this build system?
118AC_ARG_WITH(memory-size, [AS_HELP_STRING([--with-memory-size],
119    [memory (in MB) available in the build system, e.g. --with-memory-size=1024 @<:@probed@:>@])])
120if test "x$with_memory_size" = x; then
121    # The memory size was not specified, try to probe it.
122    BPERF_CHECK_MEMORY_SIZE
123else
124    MEMORY_SIZE=$with_memory_size
125fi
126AC_SUBST(MEMORY_SIZE)
127])
128
129AC_DEFUN([BPERF_SETUP_CCACHE],
130[
131    AC_ARG_ENABLE([ccache],
132	      [AS_HELP_STRING([--disable-ccache],
133	      		      [disable using ccache to speed up recompilations @<:@enabled@:>@])],
134              [ENABLE_CCACHE=${enable_ccache}], [ENABLE_CCACHE=yes])
135    if test "x$ENABLE_CCACHE" = xyes; then
136        AC_PATH_PROG(CCACHE, ccache)
137    else
138        AC_MSG_CHECKING([for ccache])
139        AC_MSG_RESULT([explicitly disabled])    
140        CCACHE=
141    fi    
142    AC_SUBST(CCACHE)
143
144    AC_ARG_WITH([ccache-dir],
145	      [AS_HELP_STRING([--with-ccache-dir],
146	      		      [where to store ccache files @<:@~/.ccache@:>@])])
147
148    if test "x$with_ccache_dir" != x; then
149        # When using a non home ccache directory, assume the use is to share ccache files
150        # with other users. Thus change the umask.
151        SET_CCACHE_DIR="CCACHE_DIR=$with_ccache_dir CCACHE_UMASK=002"
152    fi
153    CCACHE_FOUND=""
154    if test "x$CCACHE" != x; then
155        BPERF_SETUP_CCACHE_USAGE
156    fi    
157])
158
159AC_DEFUN([BPERF_SETUP_CCACHE_USAGE],
160[
161    if test "x$CCACHE" != x; then
162        CCACHE_FOUND="true"
163        # Only use ccache if it is 3.1.4 or later, which supports
164        # precompiled headers.
165        AC_MSG_CHECKING([if ccache supports precompiled headers])
166        HAS_GOOD_CCACHE=`($CCACHE --version | head -n 1 | grep -E 3.1.@<:@456789@:>@) 2> /dev/null`
167        if test "x$HAS_GOOD_CCACHE" = x; then
168            AC_MSG_RESULT([no, disabling ccache])
169            CCACHE=
170        else
171            AC_MSG_RESULT([yes])
172            AC_MSG_CHECKING([if C-compiler supports ccache precompiled headers])
173            PUSHED_FLAGS="$CXXFLAGS"
174            CXXFLAGS="-fpch-preprocess $CXXFLAGS"
175            AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], [CC_KNOWS_CCACHE_TRICK=yes], [CC_KNOWS_CCACHE_TRICK=no])
176            CXXFLAGS="$PUSHED_FLAGS"
177            if test "x$CC_KNOWS_CCACHE_TRICK" = xyes; then
178                AC_MSG_RESULT([yes])
179            else
180                AC_MSG_RESULT([no, disabling ccaching of precompiled headers])
181                CCACHE=
182            fi
183        fi
184    fi
185
186    if test "x$CCACHE" != x; then
187        CCACHE_SLOPPINESS=time_macros
188        CCACHE="CCACHE_COMPRESS=1 $SET_CCACHE_DIR CCACHE_SLOPPINESS=$CCACHE_SLOPPINESS $CCACHE"
189        CCACHE_FLAGS=-fpch-preprocess
190
191        if test "x$SET_CCACHE_DIR" != x; then
192            mkdir -p $CCACHE_DIR > /dev/null 2>&1
193	    chmod a+rwxs $CCACHE_DIR > /dev/null 2>&1
194        fi
195    fi
196])
197
198AC_DEFUN_ONCE([BPERF_SETUP_PRECOMPILED_HEADERS],
199[
200       
201###############################################################################
202#
203# Can the C/C++ compiler use precompiled headers?
204#
205AC_ARG_ENABLE([precompiled-headers], [AS_HELP_STRING([--disable-precompiled-headers],
206	[disable using precompiled headers when compiling C++ @<:@enabled@:>@])],
207    [ENABLE_PRECOMPH=${enable_precompiled_headers}], [ENABLE_PRECOMPH=yes])
208
209USE_PRECOMPILED_HEADER=1
210if test "x$ENABLE_PRECOMPH" = xno; then
211    USE_PRECOMPILED_HEADER=0
212fi
213
214if test "x$ENABLE_PRECOMPH" = xyes; then
215    # Check that the compiler actually supports precomp headers.
216    if test "x$GCC" = xyes; then
217         AC_MSG_CHECKING([that precompiled headers work])
218         echo "int alfa();" > conftest.h
219         $CXX -x c++-header conftest.h -o conftest.hpp.gch 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD
220         if test ! -f conftest.hpp.gch; then
221             USE_PRECOMPILED_HEADER=0
222             AC_MSG_RESULT([no])        
223         else
224             AC_MSG_RESULT([yes])
225         fi
226         rm -f conftest.h conftest.hpp.gch
227    fi
228fi
229
230AC_SUBST(USE_PRECOMPILED_HEADER)
231])
232
233
234AC_DEFUN_ONCE([BPERF_SETUP_SMART_JAVAC],
235[
236AC_ARG_WITH(sjavac-server-java, [AS_HELP_STRING([--with-sjavac-server-java],
237	[use this java binary for running the sjavac background server @<:@Boot JDK java@:>@])])
238
239if test "x$with_sjavac_server_java" != x; then
240    SJAVAC_SERVER_JAVA="$with_sjavac_server_java"
241    FOUND_VERSION=`$SJAVAC_SERVER_JAVA -version 2>&1 | grep " version \""`
242    if test "x$FOUND_VERSION" = x; then
243        AC_MSG_ERROR([Could not execute server java: $SJAVAC_SERVER_JAVA])
244    fi
245else
246    SJAVAC_SERVER_JAVA=""
247    # Hotspot specific options.
248    ADD_JVM_ARG_IF_OK([-verbosegc],SJAVAC_SERVER_JAVA,[$JAVA])
249    # JRockit specific options.
250    ADD_JVM_ARG_IF_OK([-Xverbose:gc],SJAVAC_SERVER_JAVA,[$JAVA])
251    SJAVAC_SERVER_JAVA="$JAVA $SJAVAC_SERVER_JAVA"
252fi                    
253AC_SUBST(SJAVAC_SERVER_JAVA)
254
255AC_ARG_WITH(sjavac-server-cores, [AS_HELP_STRING([--with-sjavac-server-cores],
256	[use at most this number of concurrent threads on the sjavac server @<:@probed@:>@])])
257if test "x$with_sjavac_server_cores" != x; then
258    SJAVAC_SERVER_CORES="$with_sjavac_server_cores"
259else
260    if test "$NUM_CORES" -gt 16; then
261        # We set this arbitrary limit because we want to limit the heap
262        # size of the javac server.
263        # In the future we will make the javac compilers in the server
264        # share more and more state, thus enabling us to use more and
265        # more concurrent threads in the server.
266        SJAVAC_SERVER_CORES="16"
267    else
268        SJAVAC_SERVER_CORES="$NUM_CORES"
269    fi
270
271    if test "$MEMORY_SIZE" -gt "17000"; then
272        MAX_HEAP_MEM=10000
273        ADD_JVM_ARG_IF_OK([-d64],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
274        ADD_JVM_ARG_IF_OK([-Xms10G -Xmx10G],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
275    elif test "$MEMORY_SIZE" -gt "10000"; then
276        MAX_HEAP_MEM=6000
277        ADD_JVM_ARG_IF_OK([-d64],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
278        ADD_JVM_ARG_IF_OK([-Xms6G -Xmx6G],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
279    elif test "$MEMORY_SIZE" -gt "5000"; then
280        MAX_HEAP_MEM=3000
281        ADD_JVM_ARG_IF_OK([-d64],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
282        ADD_JVM_ARG_IF_OK([-Xms1G -Xmx3G],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
283    elif test "$MEMORY_SIZE" -gt "3800"; then
284        MAX_HEAP_MEM=2500
285        ADD_JVM_ARG_IF_OK([-Xms1G -Xmx2500M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
286    elif test "$MEMORY_SIZE" -gt "1900"; then
287        MAX_HEAP_MEM=1200
288        ADD_JVM_ARG_IF_OK([-Xms700M -Xmx1400M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
289    elif test "$MEMORY_SIZE" -gt "1000"; then
290        MAX_HEAP_MEM=900
291        ADD_JVM_ARG_IF_OK([-Xms400M -Xmx1100M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
292    else
293        MAX_HEAP_MEM=512
294        ADD_JVM_ARG_IF_OK([-Xms256M -Xmx512M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
295    fi
296
297    ADD_JVM_ARG_IF_OK([-XX:PermSize=32m],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
298    ADD_JVM_ARG_IF_OK([-XX:MaxPermSize=160m],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
299    ADD_JVM_ARG_IF_OK([-XX:ThreadStackSize=$STACK_SIZE],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
300
301    MAX_COMPILERS_IN_HEAP=`expr $MAX_HEAP_MEM / 501`
302    if test "$SJAVAC_SERVER_CORES" -gt "$MAX_COMPILERS_IN_HEAP"; then
303        AC_MSG_CHECKING([if number of server cores must be reduced])
304        SJAVAC_SERVER_CORES="$MAX_COMPILERS_IN_HEAP"
305        AC_MSG_RESULT([yes, to $SJAVAC_SERVER_CORES with max heap size $MAX_HEAP_MEM MB])
306    fi
307fi                    
308AC_SUBST(SJAVAC_SERVER_CORES)
309
310AC_MSG_CHECKING([whether to use sjavac])
311AC_ARG_ENABLE([sjavac], [AS_HELP_STRING([--enable-sjavac],
312	[use sjavac to do fast incremental compiles @<:@disabled@:>@])],
313	[ENABLE_SJAVAC="${enableval}"], [ENABLE_SJAVAC='no'])
314AC_MSG_RESULT([$ENABLE_SJAVAC])
315AC_SUBST(ENABLE_SJAVAC)
316
317if test "x$ENABLE_SJAVAC" = xyes; then
318    SJAVAC_SERVER_DIR="$OUTPUT_ROOT/javacservers"
319else
320    SJAVAC_SERVER_DIR=
321fi
322AC_SUBST(SJAVAC_SERVER_DIR)
323
324])
325