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Author Topic: [LOCKED] cpuminer-opt v3.12.3, open source optimized multi-algo CPU miner  (Read 442037 times)
joblo
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May 15, 2016, 02:22:35 PM
Last edit: May 15, 2016, 02:45:43 PM by joblo
 #601

I still have a lot to learn about c/c++. I got burned by pointer arithmetic this week. It seemed only logical
to me that  "p + n" would be a byte offset while "p[ i ]" would be scaled. Surprise, the're both scaled.

My next issue is how to consolidate the definitions of frequently used text strings. In my native language
it's a simple matter of defining the strings in a header file and referencing them in many source files. This approach
causes multi-def warnings in c/c++.

I often see #define macros but they result in the strings being copied by every reference.

Does anyone know of a way in c/c++ to have one definition with multiple references that don't make copies?

AKA JayDDee, cpuminer-opt developer. https://github.com/JayDDee/cpuminer-opt
https://bitcointalk.org/index.php?topic=5226770.msg53865575#msg53865575
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May 15, 2016, 03:13:51 PM
 #602

I still have a lot to learn about c/c++. I got burned by pointer arithmetic this week. It seemed only logical
to me that  "p + n" would be a byte offset while "p[ i ]" would be scaled. Surprise, the're both scaled.

My next issue is how to consolidate the definitions of frequently used text strings. In my native language
it's a simple matter of defining the strings in a header file and referencing them in many source files. This approach
causes multi-def warnings in c/c++.

I often see #define macros but they result in the strings being copied by every reference.

Does anyone know of a way in c/c++ to have one definition with multiple references that don't make copies?

-fmerge-constants
Attempt to merge identical constants (string constants and floating-point constants) across compilation units.
This option is the default for optimized compilation if the assembler and linker support it. Use -fno-merge-constants to inhibit this behavior.

Enabled at levels -O, -O2, -O3, -Os.

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May 15, 2016, 04:13:52 PM
 #603

I still have a lot to learn about c/c++. I got burned by pointer arithmetic this week. It seemed only logical
to me that  "p + n" would be a byte offset while "p[ i ]" would be scaled. Surprise, the're both scaled.

My next issue is how to consolidate the definitions of frequently used text strings. In my native language
it's a simple matter of defining the strings in a header file and referencing them in many source files. This approach
causes multi-def warnings in c/c++.

I often see #define macros but they result in the strings being copied by every reference.

Does anyone know of a way in c/c++ to have one definition with multiple references that don't make copies?

-fmerge-constants
Attempt to merge identical constants (string constants and floating-point constants) across compilation units.
This option is the default for optimized compilation if the assembler and linker support it. Use -fno-merge-constants to inhibit this behavior.

Enabled at levels -O, -O2, -O3, -Os.

Thanks Pallas.

The description of this option indicates it tries to merge multiple explicit definitions of the same constant which means
I'm worrying about nothing. I'm trying to merge explicitly defined identical constants by making a single
definition while it seems the compiler will do it transparently. Outsmarted by the compiler again, I just wish things
wouldn't break when the compiler overrides my code.

AKA JayDDee, cpuminer-opt developer. https://github.com/JayDDee/cpuminer-opt
https://bitcointalk.org/index.php?topic=5226770.msg53865575#msg53865575
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joblo
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May 19, 2016, 04:27:14 AM
 #604

cpuminer-opt v3.2.3 is released.

More restructuring, code cleanup and bug fixes. This should be the best release yet.

https://drive.google.com/file/d/0B0lVSGQYLJIZMWdsV21XM0tob0U/view?usp=sharing

AKA JayDDee, cpuminer-opt developer. https://github.com/JayDDee/cpuminer-opt
https://bitcointalk.org/index.php?topic=5226770.msg53865575#msg53865575
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May 19, 2016, 05:49:00 AM
 #605

is this better than the wolfo version for hodl and esper?
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May 19, 2016, 01:28:52 PM
Last edit: May 19, 2016, 02:43:30 PM by joblo
 #606

is this better than the wolfo version for hodl and esper?

It should be equal to Wolf0 on hodl and esper is not implemented yet.

Edit: I'm taking a look at espers and i think I can improve it.

AKA JayDDee, cpuminer-opt developer. https://github.com/JayDDee/cpuminer-opt
https://bitcointalk.org/index.php?topic=5226770.msg53865575#msg53865575
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joblo
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May 19, 2016, 06:18:05 PM
 #607

cpuminer-opt v3.2.4 with support for hmq1725 (espers).

https://drive.google.com/file/d/0B0lVSGQYLJIZY1BVV1RGZFlJclU/view?usp=sharing

it's 56% faster than cpuminer-hmq1725 on CPUs with AES_NI, 17% faster with SSE2.
I recommend using the GPU port at suprnova, the CPU port has a rough start before the diff
settles.

AKA JayDDee, cpuminer-opt developer. https://github.com/JayDDee/cpuminer-opt
https://bitcointalk.org/index.php?topic=5226770.msg53865575#msg53865575
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May 19, 2016, 09:25:57 PM
 #608

cpuminer-opt v3.2.4 with support for hmq1725 (espers).

https://drive.google.com/file/d/0B0lVSGQYLJIZY1BVV1RGZFlJclU/view?usp=sharing

it's 56% faster than cpuminer-hmq1725 on CPUs with AES_NI, 17% faster with SSE2.
I recommend using the GPU port at suprnova, the CPU port has a rough start before the diff
settles.


Is there a way to get windows version?
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May 19, 2016, 09:33:53 PM
 #609

cpuminer-opt v3.2.4 with support for hmq1725 (espers).

https://drive.google.com/file/d/0B0lVSGQYLJIZY1BVV1RGZFlJclU/view?usp=sharing

it's 56% faster than cpuminer-hmq1725 on CPUs with AES_NI, 17% faster with SSE2.
I recommend using the GPU port at suprnova, the CPU port has a rough start before the diff
settles.


Is there a way to get windows version?


You can use Virtualbox to create a virtual Linux machine, same performance if you allocate
all CPUs to the VM.

AKA JayDDee, cpuminer-opt developer. https://github.com/JayDDee/cpuminer-opt
https://bitcointalk.org/index.php?topic=5226770.msg53865575#msg53865575
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May 19, 2016, 11:26:01 PM
 #610

What do you need to know? Everything should be in the README.md file. Debian should be no problem, nor any other
major distro. I didn't mention it because I assumed most Windows users would find Ubuntu less intimidating.

So, here's the tentative plan:

1. set up a new VM with all cores and 4 or 8 GB of RAM
2. install Debian on it, probably a net install of Debian 8
3. run build.sh
4. install whatever coin wallet software and set it up so I can mine to localhost.

This is almost what I do with my Windows VM; installed Win 10 on it, downloaded the wallet software, and ran three different versions of cpuminer on it. (I come from the ESPERS thread, there have been 3 versions of cpuminers there I think.)

I run Windows Server 2012 R2, so I use Hyper-V on one of my little boxes. I got it cheap, used, something like $600 USD for a dual quad core 48 GB ram rack server.

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May 19, 2016, 11:52:53 PM
 #611

What do you need to know? Everything should be in the README.md file. Debian should be no problem, nor any other
major distro. I didn't mention it because I assumed most Windows users would find Ubuntu less intimidating.

So, here's the tentative plan:

1. set up a new VM with all cores and 4 or 8 GB of RAM
2. install Debian on it, probably a net install of Debian 8
3. run build.sh
4. install whatever coin wallet software and set it up so I can mine to localhost.

This is almost what I do with my Windows VM; installed Win 10 on it, downloaded the wallet software, and ran three different versions of cpuminer on it. (I come from the ESPERS thread, there have been 3 versions of cpuminers there I think.)

I run Windows Server 2012 R2, so I use Hyper-V on one of my little boxes. I got it cheap, used, something like $600 USD for a dual quad core 48 GB ram rack server.

Only stratum has been tested so I have no idea how it will behave if you try anything else.

AKA JayDDee, cpuminer-opt developer. https://github.com/JayDDee/cpuminer-opt
https://bitcointalk.org/index.php?topic=5226770.msg53865575#msg53865575
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May 20, 2016, 01:24:00 AM
 #612

The miners I tried used getwork gbt version 112. This fork should work similarly. I'm willing to do the testing. I've been solo mining ESPERS.

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May 20, 2016, 01:41:54 AM
 #613

The miners I tried used getwork gbt version 112. This fork should work similarly. I'm willing to do the testing. I've been solo mining ESPERS.

I appreciate your offer to test. Looking forward to your results. I hope I haven't broken anything.

AKA JayDDee, cpuminer-opt developer. https://github.com/JayDDee/cpuminer-opt
https://bitcointalk.org/index.php?topic=5226770.msg53865575#msg53865575
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May 20, 2016, 03:21:49 PM
 #614

How to compile ??

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May 20, 2016, 03:27:22 PM
 #615

How to compile ??

./autogen.sh
./configure CFLAGS="-O3 -march=native" --with-crypto --with-curl
make

AKA JayDDee, cpuminer-opt developer. https://github.com/JayDDee/cpuminer-opt
https://bitcointalk.org/index.php?topic=5226770.msg53865575#msg53865575
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May 20, 2016, 03:48:49 PM
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To run a command as administrator (user "root"), use "sudo <command>".
See "man sudo_root" for details.

ljg@ljg-TBD:~/桌面/cpuminer-opt-3.2.4$ ./autogen.sh
./autogen.sh: 8: ./autogen.sh: aclocal: not found
ljg@ljg-TBD:~/桌面/cpuminer-opt-3.2.4$ ./configure CFLAGS="-O3 -march=native" --with-crypto --with-curl
checking build system type... x86_64-unknown-linux-gnu
checking host system type... x86_64-unknown-linux-gnu
checking target system type... x86_64-unknown-linux-gnu
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... /bin/mkdir -p
checking for gawk... no
checking for mawk... mawk
checking whether make sets $(MAKE)... yes
checking whether make supports nested variables... yes
checking whether to enable maintainer-specific portions of Makefiles... no
checking for style of include used by make... GNU
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables...
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking whether gcc understands -c and -o together... yes
checking dependency style of gcc... gcc3
checking for gcc option to accept ISO C99... none needed
checking how to run the C preprocessor... gcc -E
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking whether gcc needs -traditional... no
checking dependency style of gcc... gcc3
checking for ranlib... ranlib
checking for g++... g++
checking whether we are using the GNU C++ compiler... yes
checking whether g++ accepts -g... yes
checking dependency style of g++... gcc3
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking sys/endian.h usability... no
checking sys/endian.h presence... no
checking for sys/endian.h... no
checking sys/param.h usability... yes
checking sys/param.h presence... yes
checking for sys/param.h... yes
checking syslog.h usability... yes
checking syslog.h presence... yes
checking for syslog.h... yes
checking for sys/sysctl.h... yes
checking whether be32dec is declared... no
checking whether le32dec is declared... no
checking whether be32enc is declared... no
checking whether le32enc is declared... no
checking whether le16dec is declared... no
checking whether le16enc is declared... no
checking for size_t... yes
checking for working alloca.h... yes
checking for alloca... yes
checking for getopt_long... yes
checking whether we can compile AVX code... yes
checking whether we can compile XOP code... yes
checking whether we can compile AVX2 code... yes
checking for json_loads in -ljansson... no
checking for pthread_create in -lpthread... yes
checking whether __uint128_t is supported... yes
checking that generated files are newer than configure... done
configure: creating ./config.status
config.status: creating Makefile
config.status: creating compat/Makefile
config.status: creating compat/jansson/Makefile
config.status: creating cpuminer-config.h
config.status: executing depfiles commands
ljg@ljg-TBD:~/桌面/cpuminer-opt-3.2.4$ make
make  all-recursive
make[1]: Entering directory '/home/ljg/桌面/cpuminer-opt-3.2.4'
Making all in compat
make[2]: Entering directory '/home/ljg/桌面/cpuminer-opt-3.2.4/compat'
Making all in jansson
make[3]: Entering directory '/home/ljg/桌面/cpuminer-opt-3.2.4/compat/jansson'
depbase=`echo dump.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -I. -I../..   -Iyes/include -Iyes/include  -O3 -march=native  -Iyes/include -Iyes/include -MT dump.o -MD -MP -MF $depbase.Tpo -c -o dump.o dump.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo error.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -I. -I../..   -Iyes/include -Iyes/include  -O3 -march=native  -Iyes/include -Iyes/include -MT error.o -MD -MP -MF $depbase.Tpo -c -o error.o error.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo hashtable.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -I. -I../..   -Iyes/include -Iyes/include  -O3 -march=native  -Iyes/include -Iyes/include -MT hashtable.o -MD -MP -MF $depbase.Tpo -c -o hashtable.o hashtable.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo load.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -I. -I../..   -Iyes/include -Iyes/include  -O3 -march=native  -Iyes/include -Iyes/include -MT load.o -MD -MP -MF $depbase.Tpo -c -o load.o load.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo memory.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -I. -I../..   -Iyes/include -Iyes/include  -O3 -march=native  -Iyes/include -Iyes/include -MT memory.o -MD -MP -MF $depbase.Tpo -c -o memory.o memory.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo pack_unpack.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -I. -I../..   -Iyes/include -Iyes/include  -O3 -march=native  -Iyes/include -Iyes/include -MT pack_unpack.o -MD -MP -MF $depbase.Tpo -c -o pack_unpack.o pack_unpack.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo strbuffer.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -I. -I../..   -Iyes/include -Iyes/include  -O3 -march=native  -Iyes/include -Iyes/include -MT strbuffer.o -MD -MP -MF $depbase.Tpo -c -o strbuffer.o strbuffer.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo strconv.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -I. -I../..   -Iyes/include -Iyes/include  -O3 -march=native  -Iyes/include -Iyes/include -MT strconv.o -MD -MP -MF $depbase.Tpo -c -o strconv.o strconv.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo utf.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -I. -I../..   -Iyes/include -Iyes/include  -O3 -march=native  -Iyes/include -Iyes/include -MT utf.o -MD -MP -MF $depbase.Tpo -c -o utf.o utf.c &&\
mv -f $depbase.Tpo $depbase.Po
depbase=`echo value.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
gcc -DHAVE_CONFIG_H -I. -I../..   -Iyes/include -Iyes/include  -O3 -march=native  -Iyes/include -Iyes/include -MT value.o -MD -MP -MF $depbase.Tpo -c -o value.o value.c &&\
mv -f $depbase.Tpo $depbase.Po
rm -f libjansson.a
ar cru libjansson.a dump.o error.o hashtable.o load.o memory.o pack_unpack.o strbuffer.o strconv.o utf.o value.o
ar: `u' 修饰符被忽略,因为 `D' 为默认(参见 `U')
ranlib libjansson.a
make[3]: Leaving directory '/home/ljg/桌面/cpuminer-opt-3.2.4/compat/jansson'
make[3]: Entering directory '/home/ljg/桌面/cpuminer-opt-3.2.4/compat'
make[3]: Nothing to be done for 'all-am'.
make[3]: Leaving directory '/home/ljg/桌面/cpuminer-opt-3.2.4/compat'
make[2]: Leaving directory '/home/ljg/桌面/cpuminer-opt-3.2.4/compat'
make[2]: Entering directory '/home/ljg/桌面/cpuminer-opt-3.2.4'
gcc -DHAVE_CONFIG_H -I.  -Iyes/include -Iyes/include -fno-strict-aliasing -I./compat/jansson -I. -Iyes/include -Iyes/include -Wno-pointer-sign -Wno-pointer-to-int-cast   -O3 -march=native  -Iyes/include -Iyes/include -MT cpuminer-cpu-miner.o -MD -MP -MF .deps/cpuminer-cpu-miner.Tpo -c -o cpuminer-cpu-miner.o `test -f 'cpu-miner.c' || echo './'`cpu-miner.c
cpu-miner.c:38:23: fatal error: curl/curl.h: 没有那个文件或目录
compilation terminated.
Makefile:1632: recipe for target 'cpuminer-cpu-miner.o' failed
make[2]: *** [cpuminer-cpu-miner.o] Error 1
make[2]: Leaving directory '/home/ljg/桌面/cpuminer-opt-3.2.4'
Makefile:3307: recipe for target 'all-recursive' failed
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory '/home/ljg/桌面/cpuminer-opt-3.2.4'
Makefile:645: recipe for target 'all' failed
make: *** [all] Error 2
ljg@ljg-TBD:~/桌面/cpuminer-opt-3.2.4$

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May 20, 2016, 03:57:45 PM
 #617


cpu-miner.c:38:23: fatal error: curl/curl.h: 没有那个文件或目录
compilation terminated.
Makefile:1632: recipe for target 'cpuminer-cpu-miner.o' failed
make[2]: *** [cpuminer-cpu-miner.o] Error 1
make[2]: Leaving directory '/home/ljg/桌面/cpuminer-opt-3.2.4'
Makefile:3307: recipe for target 'all-recursive' failed
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory '/home/ljg/桌面/cpuminer-opt-3.2.4'
Makefile:645: recipe for target 'all' failed
make: *** [all] Error 2
ljg@ljg-TBD:~/桌面/cpuminer-opt-3.2.4$


I presume the error is file not found. Please translate for me in the future.

You need to install libcurl4-openssl-dev.

AKA JayDDee, cpuminer-opt developer. https://github.com/JayDDee/cpuminer-opt
https://bitcointalk.org/index.php?topic=5226770.msg53865575#msg53865575
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May 20, 2016, 04:01:33 PM
 #618


cpu-miner.c:38:23: fatal error: curl/curl.h: 没有那个文件或目录
compilation terminated.
Makefile:1632: recipe for target 'cpuminer-cpu-miner.o' failed
make[2]: *** [cpuminer-cpu-miner.o] Error 1
make[2]: Leaving directory '/home/ljg/桌面/cpuminer-opt-3.2.4'
Makefile:3307: recipe for target 'all-recursive' failed
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory '/home/ljg/桌面/cpuminer-opt-3.2.4'
Makefile:645: recipe for target 'all' failed
make: *** [all] Error 2
ljg@ljg-TBD:~/桌面/cpuminer-opt-3.2.4$


I presume the error is file not found. Please translate for me in the future.

You need to install libcurl4-openssl-dev.

Yes, there is no file and directory.

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May 20, 2016, 04:11:08 PM
 #619


cpu-miner.c:38:23: fatal error: curl/curl.h: 没有那个文件或目录
compilation terminated.
Makefile:1632: recipe for target 'cpuminer-cpu-miner.o' failed
make[2]: *** [cpuminer-cpu-miner.o] Error 1
make[2]: Leaving directory '/home/ljg/桌面/cpuminer-opt-3.2.4'
Makefile:3307: recipe for target 'all-recursive' failed
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory '/home/ljg/桌面/cpuminer-opt-3.2.4'
Makefile:645: recipe for target 'all' failed
make: *** [all] Error 2
ljg@ljg-TBD:~/桌面/cpuminer-opt-3.2.4$


I presume the error is file not found. Please translate for me in the future.

You need to install libcurl4-openssl-dev.

Yes, there is no file and directory.

curl/curl.h: 没有那个文件或目录
Yes, there is no file and directory

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May 20, 2016, 04:50:43 PM
 #620


cpu-miner.c:38:23: fatal error: curl/curl.h: 没有那个文件或目录
compilation terminated.
Makefile:1632: recipe for target 'cpuminer-cpu-miner.o' failed
make[2]: *** [cpuminer-cpu-miner.o] Error 1
make[2]: Leaving directory '/home/ljg/桌面/cpuminer-opt-3.2.4'
Makefile:3307: recipe for target 'all-recursive' failed
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory '/home/ljg/桌面/cpuminer-opt-3.2.4'
Makefile:645: recipe for target 'all' failed
make: *** [all] Error 2
ljg@ljg-TBD:~/桌面/cpuminer-opt-3.2.4$


I presume the error is file not found. Please translate for me in the future.

You need to install libcurl4-openssl-dev.

Yes, there is no file and directory.

curl/curl.h: 没有那个文件或目录
Yes, there is no file and directory

My response was only 2 lines but you still managed to miss the most important part.
Go back and read it again.

AKA JayDDee, cpuminer-opt developer. https://github.com/JayDDee/cpuminer-opt
https://bitcointalk.org/index.php?topic=5226770.msg53865575#msg53865575
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