Add optimizations for AVX-capable processors
This commit is contained in:
pooler
parent
94cb469bbf
commit
18033f6a04
5 changed files with 848 additions and 381 deletions
25
configure.ac
25
configure.ac
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@ -23,15 +23,15 @@ AC_CHECK_HEADERS(syslog.h)
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AC_FUNC_ALLOCA
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case $target in
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x86_64-*)
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have_x86_64=true
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i*86-*-*)
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have_x86=true
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;;
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*)
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have_x86_64=false
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x86_64-*-*)
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have_x86=true
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have_x86_64=true
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;;
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esac
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have_win32=false
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PTHREAD_FLAGS="-pthread"
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WS2_LIBS=""
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@ -43,6 +43,18 @@ case $target in
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;;
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esac
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if test x$have_x86 = xtrue
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then
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AC_MSG_CHECKING(whether we can compile AVX code)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[asm ("vmovdqa %ymm0, %ymm1");])],
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AC_DEFINE(USE_AVX, 1, [Define to 1 if AVX assembly is available.])
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AC_MSG_RESULT(yes)
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,
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AC_MSG_RESULT(no)
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AC_MSG_WARN([The assembler does not support the AVX instruction set.])
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)
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fi
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AC_CHECK_LIB(jansson, json_loads, request_jansson=false, request_jansson=true)
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AC_CHECK_LIB([pthread], [pthread_create], PTHREAD_LIBS="-lpthread",
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AC_CHECK_LIB([pthreadGC2], [pthread_create], PTHREAD_LIBS="-lpthreadGC2",
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@ -52,7 +64,8 @@ AC_CHECK_LIB([pthread], [pthread_create], PTHREAD_LIBS="-lpthread",
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AM_CONDITIONAL([WANT_JANSSON], [test x$request_jansson = xtrue])
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AM_CONDITIONAL([HAVE_WINDOWS], [test x$have_win32 = xtrue])
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AM_CONDITIONAL([HAVE_x86_64], [test x$have_x86_64 = xtrue])
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AM_CONDITIONAL([ARCH_x86], [test x$have_x86 = xtrue])
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AM_CONDITIONAL([ARCH_x86_64], [test x$have_x86_64 = xtrue])
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if test x$request_jansson = xtrue
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then
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@ -508,7 +508,7 @@ static void *miner_thread(void *userdata)
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unsigned long hashes_done;
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struct timeval tv_start, tv_end, diff;
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int64_t max64;
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bool rc;
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int rc;
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/* obtain new work from internal workio thread */
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pthread_mutex_lock(&g_work_lock);
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963
scrypt-x64.S
963
scrypt-x64.S
File diff suppressed because it is too large
Load diff
60
scrypt-x86.S
60
scrypt-x86.S
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@ -24,6 +24,8 @@
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* SUCH DAMAGE.
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*/
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#include "cpuminer-config.h"
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#if defined(__linux__) && defined(__ELF__)
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.section .note.GNU-stack,"",%progbits
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#endif
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@ -65,7 +67,7 @@
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movl %edx, \do+56(\dest)
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.endm
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.macro gen_salsa8_core_quadround
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.macro salsa8_core_gen_quadround
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movl 52(%esp), %ecx
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movl 4(%esp), %edx
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movl 20(%esp), %ebx
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@ -387,9 +389,9 @@
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.text
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.p2align 5
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gen_salsa8_core:
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gen_salsa8_core_quadround
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gen_salsa8_core_quadround
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salsa8_core_gen:
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salsa8_core_gen_quadround
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salsa8_core_gen_quadround
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ret
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@ -408,9 +410,9 @@ _scrypt_core:
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movl $1, %eax
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cpuid
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andl $0x04000000, %edx
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jnz xmm_scrypt_core
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jnz scrypt_core_sse2
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gen_scrypt_core:
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scrypt_core_gen:
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movl 20(%esp), %edi
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movl 24(%esp), %esi
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subl $72, %esp
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@ -452,7 +454,7 @@ gen_scrypt_core:
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.endm
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leal 131072(%esi), %ecx
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gen_scrypt_core_loop1:
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scrypt_core_gen_loop1:
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movl %esi, 64(%esp)
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movl %ecx, 68(%esp)
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@ -473,7 +475,7 @@ gen_scrypt_core_loop1:
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scrypt_core_macro1a 56, 120
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scrypt_core_macro1a 60, 124
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call gen_salsa8_core
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call salsa8_core_gen
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movl 92(%esp), %edi
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scrypt_core_macro2 0, 64
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@ -493,7 +495,7 @@ gen_scrypt_core_loop1:
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scrypt_core_macro2 56, 120
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scrypt_core_macro2 60, 124
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call gen_salsa8_core
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call salsa8_core_gen
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movl 92(%esp), %edi
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scrypt_core_macro3 0, 64
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@ -517,11 +519,11 @@ gen_scrypt_core_loop1:
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movl 68(%esp), %ecx
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addl $128, %esi
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cmpl %ecx, %esi
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jne gen_scrypt_core_loop1
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jne scrypt_core_gen_loop1
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movl 96(%esp), %esi
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movl $1024, %ecx
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gen_scrypt_core_loop2:
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scrypt_core_gen_loop2:
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movl %ecx, 68(%esp)
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movl 64(%edi), %edx
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@ -545,7 +547,7 @@ gen_scrypt_core_loop2:
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scrypt_core_macro1b 56, 120
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scrypt_core_macro1b 60, 124
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call gen_salsa8_core
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call salsa8_core_gen
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movl 92(%esp), %edi
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scrypt_core_macro2 0, 64
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@ -565,7 +567,7 @@ gen_scrypt_core_loop2:
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scrypt_core_macro2 56, 120
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scrypt_core_macro2 60, 124
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call gen_salsa8_core
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call salsa8_core_gen
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movl 92(%esp), %edi
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movl 96(%esp), %esi
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@ -588,7 +590,7 @@ gen_scrypt_core_loop2:
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movl 68(%esp), %ecx
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subl $1, %ecx
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ja gen_scrypt_core_loop2
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ja scrypt_core_gen_loop2
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addl $72, %esp
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popl %esi
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@ -598,7 +600,7 @@ gen_scrypt_core_loop2:
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ret
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.macro xmm_salsa8_core_doubleround
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.macro salsa8_core_sse2_doubleround
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movdqa %xmm1, %xmm4
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paddd %xmm0, %xmm4
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movdqa %xmm4, %xmm5
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@ -670,15 +672,15 @@ gen_scrypt_core_loop2:
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pxor %xmm5, %xmm0
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.endm
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.macro xmm_salsa8_core
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xmm_salsa8_core_doubleround
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xmm_salsa8_core_doubleround
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xmm_salsa8_core_doubleround
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xmm_salsa8_core_doubleround
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.macro salsa8_core_sse2
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salsa8_core_sse2_doubleround
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salsa8_core_sse2_doubleround
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salsa8_core_sse2_doubleround
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salsa8_core_sse2_doubleround
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.endm
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.p2align 5
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xmm_scrypt_core:
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scrypt_core_sse2:
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movl 20(%esp), %edi
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movl 24(%esp), %esi
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movl %esp, %ebp
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@ -693,7 +695,7 @@ xmm_scrypt_core:
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movl %esi, %edx
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leal 131072(%esi), %ecx
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xmm_scrypt_core_loop1:
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scrypt_core_sse2_loop1:
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movdqa 0(%esp), %xmm0
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movdqa 16(%esp), %xmm1
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movdqa 32(%esp), %xmm2
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@ -713,7 +715,7 @@ xmm_scrypt_core_loop1:
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movdqa %xmm6, 96(%edx)
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movdqa %xmm7, 112(%edx)
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xmm_salsa8_core
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salsa8_core_sse2
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paddd 0(%edx), %xmm0
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paddd 16(%edx), %xmm1
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paddd 32(%edx), %xmm2
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@ -731,7 +733,7 @@ xmm_scrypt_core_loop1:
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movdqa %xmm1, 80(%esp)
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movdqa %xmm2, %xmm6
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movdqa %xmm3, %xmm7
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xmm_salsa8_core
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salsa8_core_sse2
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paddd 64(%esp), %xmm0
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paddd 80(%esp), %xmm1
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paddd %xmm2, %xmm6
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@ -741,13 +743,13 @@ xmm_scrypt_core_loop1:
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addl $128, %edx
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cmpl %ecx, %edx
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jne xmm_scrypt_core_loop1
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jne scrypt_core_sse2_loop1
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movdqa 64(%esp), %xmm4
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movdqa 80(%esp), %xmm5
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movl $1024, %ecx
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xmm_scrypt_core_loop2:
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scrypt_core_sse2_loop2:
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movdqa 0(%esp), %xmm0
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movdqa 16(%esp), %xmm1
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movdqa 32(%esp), %xmm2
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@ -768,7 +770,7 @@ xmm_scrypt_core_loop2:
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movdqa %xmm1, 16(%esp)
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movdqa %xmm2, 32(%esp)
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movdqa %xmm3, 48(%esp)
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xmm_salsa8_core
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salsa8_core_sse2
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paddd 0(%esp), %xmm0
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paddd 16(%esp), %xmm1
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paddd 32(%esp), %xmm2
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@ -790,7 +792,7 @@ xmm_scrypt_core_loop2:
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movdqa %xmm1, 80(%esp)
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movdqa %xmm2, %xmm6
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movdqa %xmm3, %xmm7
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xmm_salsa8_core
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salsa8_core_sse2
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paddd 64(%esp), %xmm0
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paddd 80(%esp), %xmm1
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paddd %xmm2, %xmm6
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@ -801,7 +803,7 @@ xmm_scrypt_core_loop2:
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movdqa %xmm1, 80(%esp)
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subl $1, %ecx
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ja xmm_scrypt_core_loop2
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ja scrypt_core_sse2_loop2
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movdqa %xmm6, 96(%esp)
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movdqa %xmm7, 112(%esp)
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179
scrypt.c
179
scrypt.c
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@ -403,24 +403,18 @@ static inline void PBKDF2_SHA256_128_32_4way(uint32_t *tstate,
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#if defined(__x86_64__)
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#define SCRYPT_3WAY
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#define SCRYPT_BUFFER_SIZE (3 * 131072 + 63)
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#define SCRYPT_MAX_WAYS 3
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int scrypt_best_throughput();
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void scrypt_core(uint32_t *X, uint32_t *V);
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void scrypt_core_2way(uint32_t *X, uint32_t *Y, uint32_t *V);
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void scrypt_core_3way(uint32_t *X, uint32_t *Y, uint32_t *Z, uint32_t *V);
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void scrypt_core_2way(uint32_t *X, uint32_t *V);
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void scrypt_core_3way(uint32_t *X, uint32_t *V);
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#elif defined(__i386__)
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#define SCRYPT_BUFFER_SIZE (131072 + 63)
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void scrypt_core(uint32_t *X, uint32_t *V);
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#else
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#define SCRYPT_BUFFER_SIZE (131072 + 63)
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static inline void salsa20_8(uint32_t B[16], const uint32_t Bx[16])
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{
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uint32_t x00,x01,x02,x03,x04,x05,x06,x07,x08,x09,x10,x11,x12,x13,x14,x15;
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@ -512,6 +506,13 @@ static inline void scrypt_core(uint32_t *X, uint32_t *V)
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#endif
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#ifndef SCRYPT_MAX_WAYS
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#define SCRYPT_MAX_WAYS 1
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#define scrypt_best_throughput() 1
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#endif
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#define SCRYPT_BUFFER_SIZE (SCRYPT_MAX_WAYS * 131072 + 63)
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unsigned char *scrypt_buffer_alloc()
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{
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return malloc(SCRYPT_BUFFER_SIZE);
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@ -533,38 +534,35 @@ static void scrypt_1024_1_1_256_sp(const uint32_t *input, uint32_t *output,
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return PBKDF2_SHA256_128_32(tstate, ostate, X, output);
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}
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#ifdef SCRYPT_3WAY
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static void scrypt_1024_1_1_256_sp_2way(const uint32_t *input1,
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const uint32_t *input2, uint32_t *output1, uint32_t *output2,
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unsigned char *scratchpad)
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#if SCRYPT_MAX_WAYS >= 2
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static void scrypt_1024_1_1_256_sp_2way(const uint32_t *input,
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uint32_t *output, unsigned char *scratchpad)
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{
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uint32_t tstate1[8], tstate2[8];
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uint32_t ostate1[8], ostate2[8];
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uint32_t *V;
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uint32_t X[32], Y[32];
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uint32_t X[2 * 32], *Y = X + 32;
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V = (uint32_t *)(((uintptr_t)(scratchpad) + 63) & ~ (uintptr_t)(63));
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HMAC_SHA256_80_init(input1, tstate1, ostate1);
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HMAC_SHA256_80_init(input2, tstate2, ostate2);
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PBKDF2_SHA256_80_128(tstate1, ostate1, input1, X);
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PBKDF2_SHA256_80_128(tstate2, ostate2, input2, Y);
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HMAC_SHA256_80_init(input, tstate1, ostate1);
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HMAC_SHA256_80_init(input + 20, tstate2, ostate2);
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PBKDF2_SHA256_80_128(tstate1, ostate1, input, X);
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PBKDF2_SHA256_80_128(tstate2, ostate2, input + 20, Y);
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scrypt_core_2way(X, Y, V);
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scrypt_core_2way(X, V);
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PBKDF2_SHA256_128_32(tstate1, ostate1, X, output1);
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PBKDF2_SHA256_128_32(tstate2, ostate2, Y, output2);
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PBKDF2_SHA256_128_32(tstate1, ostate1, X, output);
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PBKDF2_SHA256_128_32(tstate2, ostate2, Y, output + 8);
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}
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#endif /* SCRYPT_MAX_WAYS >= 2 */
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static void scrypt_1024_1_1_256_sp_3way(
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const uint32_t *input1, const uint32_t *input2, const uint32_t *input3,
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uint32_t *output1, uint32_t *output2, uint32_t *output3,
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unsigned char *scratchpad)
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#if SCRYPT_MAX_WAYS >= 3
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static void scrypt_1024_1_1_256_sp_3way(const uint32_t *input,
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uint32_t *output, unsigned char *scratchpad)
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{
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#ifdef SHA256_4WAY
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uint32_t tstate[4 * 8], ostate[4 * 8];
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uint32_t input[4 * 20], output[4 * 32];
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uint32_t X[32], Y[32], Z[32];
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uint32_t X[3 * 32];
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uint32_t W[4 * 32];
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uint32_t *V;
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int i;
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@ -572,53 +570,31 @@ static void scrypt_1024_1_1_256_sp_3way(
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V = (uint32_t *)(((uintptr_t)(scratchpad) + 63) & ~ (uintptr_t)(63));
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for (i = 0; i < 20; i++) {
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input[4 * i + 0] = input1[i];
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input[4 * i + 1] = input2[i];
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input[4 * i + 2] = input3[i];
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W[4 * i + 0] = input[i];
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W[4 * i + 1] = input[i + 20];
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W[4 * i + 2] = input[i + 40];
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}
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HMAC_SHA256_80_init_4way(input, tstate, ostate);
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PBKDF2_SHA256_80_128_4way(tstate, ostate, input, W);
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HMAC_SHA256_80_init_4way(W, tstate, ostate);
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PBKDF2_SHA256_80_128_4way(tstate, ostate, W, W);
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for (i = 0; i < 32; i++) {
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X[i] = W[4 * i + 0];
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Y[i] = W[4 * i + 1];
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Z[i] = W[4 * i + 2];
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X[0 * 32 + i] = W[4 * i + 0];
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X[1 * 32 + i] = W[4 * i + 1];
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X[2 * 32 + i] = W[4 * i + 2];
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}
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scrypt_core_3way(X, Y, Z, V);
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scrypt_core_3way(X, V);
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for (i = 0; i < 32; i++) {
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W[4 * i + 0] = X[i];
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W[4 * i + 1] = Y[i];
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W[4 * i + 2] = Z[i];
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W[4 * i + 0] = X[0 * 32 + i];
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W[4 * i + 1] = X[1 * 32 + i];
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W[4 * i + 2] = X[2 * 32 + i];
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}
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PBKDF2_SHA256_128_32_4way(tstate, ostate, W, output);
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PBKDF2_SHA256_128_32_4way(tstate, ostate, W, W);
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for (i = 0; i < 8; i++) {
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output1[i] = output[4 * i + 0];
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output2[i] = output[4 * i + 1];
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output3[i] = output[4 * i + 2];
|
||||
output[i] = W[4 * i + 0];
|
||||
output[i + 8] = W[4 * i + 1];
|
||||
output[i + 16] = W[4 * i + 2];
|
||||
}
|
||||
#else
|
||||
uint32_t tstate1[8], tstate2[8], tstate3[8];
|
||||
uint32_t ostate1[8], ostate2[8], ostate3[8];
|
||||
uint32_t X[32], Y[32], Z[32];
|
||||
uint32_t *V;
|
||||
|
||||
V = (uint32_t *)(((uintptr_t)(scratchpad) + 63) & ~ (uintptr_t)(63));
|
||||
|
||||
HMAC_SHA256_80_init(input1, tstate1, ostate1);
|
||||
HMAC_SHA256_80_init(input2, tstate2, ostate2);
|
||||
HMAC_SHA256_80_init(input3, tstate3, ostate3);
|
||||
PBKDF2_SHA256_80_128(tstate1, ostate1, input1, X);
|
||||
PBKDF2_SHA256_80_128(tstate2, ostate2, input2, Y);
|
||||
PBKDF2_SHA256_80_128(tstate3, ostate3, input3, Z);
|
||||
|
||||
scrypt_core_3way(X, Y, Z, V);
|
||||
|
||||
PBKDF2_SHA256_128_32(tstate1, ostate1, X, output1);
|
||||
PBKDF2_SHA256_128_32(tstate2, ostate2, Y, output2);
|
||||
PBKDF2_SHA256_128_32(tstate3, ostate3, Z, output3);
|
||||
#endif /* SHA256_4WAY*/
|
||||
}
|
||||
|
||||
#endif /* SCRYPT_3WAY */
|
||||
#endif /* SCRYPT_MAX_WAYS >= 3 */
|
||||
|
||||
__attribute__ ((noinline)) static int confirm_hash(const uint32_t *hash,
|
||||
const uint32_t *target)
|
||||
|
|
@ -638,63 +614,46 @@ int scanhash_scrypt(int thr_id, unsigned char *pdata,
|
|||
unsigned char *scratchbuf, const unsigned char *ptarget,
|
||||
uint32_t max_nonce, uint32_t *next_nonce, unsigned long *hashes_done)
|
||||
{
|
||||
uint32_t data[20], hash[8];
|
||||
#ifdef SCRYPT_3WAY
|
||||
uint32_t data2[20], hash2[8];
|
||||
uint32_t data3[20], hash3[8];
|
||||
int throughput;
|
||||
#endif
|
||||
uint32_t data[SCRYPT_MAX_WAYS * 20], hash[SCRYPT_MAX_WAYS * 8];
|
||||
unsigned long first_nonce = *next_nonce;
|
||||
uint32_t n = *next_nonce;
|
||||
uint32_t Htarg = le32dec(&((const uint32_t *)ptarget)[7]);
|
||||
const int throughput = scrypt_best_throughput();
|
||||
int i;
|
||||
|
||||
for (i = 0; i < 19; i++)
|
||||
data[i] = be32dec(&((const uint32_t *)pdata)[i]);
|
||||
#ifdef SCRYPT_3WAY
|
||||
memcpy(data2, data, 80);
|
||||
memcpy(data3, data, 80);
|
||||
throughput = scrypt_best_throughput();
|
||||
#endif
|
||||
for (i = 1; i < throughput; i++)
|
||||
memcpy(data + i * 20, data, 80);
|
||||
|
||||
do {
|
||||
data[19] = n++;
|
||||
#ifdef SCRYPT_3WAY
|
||||
if (throughput >= 2 && n <= max_nonce) {
|
||||
data2[19] = n++;
|
||||
if (throughput >= 3 && n <= max_nonce) {
|
||||
data3[19] = n++;
|
||||
scrypt_1024_1_1_256_sp_3way(data, data2, data3, hash, hash2, hash3, scratchbuf);
|
||||
if (hash3[7] <= Htarg && confirm_hash(hash3, (uint32_t *)ptarget)) {
|
||||
be32enc(&((uint32_t *)pdata)[19], data3[19]);
|
||||
*next_nonce = n;
|
||||
*hashes_done = n - first_nonce;
|
||||
return true;
|
||||
}
|
||||
} else {
|
||||
scrypt_1024_1_1_256_sp_2way(data, data2, hash, hash2, scratchbuf);
|
||||
}
|
||||
if (hash2[7] <= Htarg && confirm_hash(hash2, (uint32_t *)ptarget)) {
|
||||
be32enc(&((uint32_t *)pdata)[19], data2[19]);
|
||||
*next_nonce = n;
|
||||
*hashes_done = n - first_nonce;
|
||||
return true;
|
||||
}
|
||||
} else {
|
||||
scrypt_1024_1_1_256_sp(data, hash, scratchbuf);
|
||||
}
|
||||
#else
|
||||
scrypt_1024_1_1_256_sp(data, hash, scratchbuf);
|
||||
for (i = 0; i < throughput; i++)
|
||||
data[i * 20 + 19] = n++;
|
||||
|
||||
#if SCRYPT_MAX_WAYS >= 3
|
||||
if (throughput == 3)
|
||||
scrypt_1024_1_1_256_sp_3way(data, hash, scratchbuf);
|
||||
else
|
||||
#endif
|
||||
if (hash[7] <= Htarg && confirm_hash(hash, (uint32_t *)ptarget)) {
|
||||
be32enc(&((uint32_t *)pdata)[19], data[19]);
|
||||
#if SCRYPT_MAX_WAYS >= 2
|
||||
if (throughput == 2)
|
||||
scrypt_1024_1_1_256_sp_2way(data, hash, scratchbuf);
|
||||
else
|
||||
#endif
|
||||
scrypt_1024_1_1_256_sp(data, hash, scratchbuf);
|
||||
|
||||
for (i = 0; i < throughput; i++) {
|
||||
if (unlikely(hash[i * 8 + 7] <= Htarg)
|
||||
&& likely(confirm_hash(hash + i * 8, (uint32_t *)ptarget))) {
|
||||
be32enc(&((uint32_t *)pdata)[19], data[i * 20 + 19]);
|
||||
*next_nonce = n;
|
||||
*hashes_done = n - first_nonce;
|
||||
return true;
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
} while (n <= max_nonce && !work_restart[thr_id].restart);
|
||||
|
||||
*next_nonce = n;
|
||||
*hashes_done = n - first_nonce;
|
||||
return false;
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue