Count uint8

Count the number of bytes equal to 127 in a binary stream as fast as possible.

Input: 250 000 000 uint8 values in binary on STDIN.

Output: The count of elements equal to 127, printed as a decimal string.

Restrictions:30s512Mb 1 Score Packages

Feel free to create an issue if you need an extra library from the standard Ubuntu repository.

Name	Version	Description
libc6-dev	2.39-0ubuntu8.7	GNU C Library: Development Libraries and Header Files Contains the symlinks, headers, and object files needed to compile and link programs which use the standard C library.
libclang-common-14-dev	1:14.0.6-19build4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-15-dev	1:15.0.7-14build3	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-16-dev	1:16.0.6-23ubuntu4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-17-dev	1:17.0.6-9ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-18-dev	1:18.1.3-1ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-19-dev	1:19.1.1-1ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-20-dev	1:20.1.2-0ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libcrypt-dev	1:4.4.36-4build1	libcrypt development files This package contains the files needed for developing applications that use libcrypt.
libgcc-10-dev	10.5.0-4ubuntu2.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-11-dev	11.5.0-1ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-12-dev	12.4.0-2ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-13-dev	13.3.0-6ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-14-dev	14.2.0-4ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libobjc-13-dev	13.3.0-6ubuntu2~24.04.1	Runtime library for GNU Objective-C applications (development files) This package contains the headers and static library files needed to build GNU ObjC applications.
libssl-dev	3.0.13-0ubuntu3.9	Secure Sockets Layer toolkit - development files This package is part of the OpenSSL project's implementation of the SSL and TLS cryptographic protocols for secure communication over the Internet. . It contains development libraries, header files, and manpages for libssl and libcrypto.
libstdc++-10-dev	10.5.0-4ubuntu2.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-11-dev	11.5.0-1ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-12-dev	12.4.0-2ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-13-dev	13.3.0-6ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-14-dev	14.2.0-4ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libtbb-dev	2021.11.0-2ubuntu2	parallelism library for C++ - development files TBB is a library that helps you leverage multi-core processor performance without having to be a threading expert. It represents a higher-level, task-based parallelism that abstracts platform details and threading mechanism for performance and scalability. . (Note: if you are a user of the i386 architecture, i.e., 32-bit Intel or compatible hardware, this package only supports Pentium4-compatible and higher processors.) . This package includes the TBB development files.

Back to listMay 29, 2021 17:10

Dmitry Dolgopolov

Score: 4,975

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 29, 2021 17:11	4,957	40,029,338	13,879,000	1,982,000	2,445,312
2	May 29, 2021 17:11	4,957	31,974,641	14,872,000	991,000	2,535,424
3	May 29, 2021 17:11	4,959	32,323,011	14,877,000	991,000	2,445,312
4	May 29, 2021 17:11	4,960	36,602,202	14,880,000	992,000	2,457,600
5	May 29, 2021 17:11	4,961	47,479,400	13,891,000	1,984,000	2,535,424
6	May 29, 2021 17:11	4,961	42,549,208	14,884,000	992,000	2,535,424
7	May 29, 2021 17:11	4,961	33,041,399	13,892,000	1,984,000	2,273,280
8	May 29, 2021 17:10	4,961	39,346,238	13,892,000	1,984,000	2,445,312
9	May 29, 2021 17:11	4,961	36,758,671	13,892,000	1,984,000	2,535,424
10	May 29, 2021 17:11	4,961	41,972,790	14,882,000	992,000	2,535,424
11	May 29, 2021 17:11	4,961	41,694,207	13,892,000	1,984,000	2,445,312
12	May 29, 2021 17:11	4,962	43,483,315	13,894,000	1,984,000	2,535,424
13	May 29, 2021 17:10	4,962	29,130,759	13,894,000	1,984,000	2,441,216
14	May 29, 2021 17:11	4,963	43,176,053	13,896,000	1,985,000	2,535,424
15	May 29, 2021 17:11	4,964	40,688,962	13,899,000	1,985,000	2,273,280
16	May 29, 2021 17:11	4,964	27,341,093	14,893,000	992,000	2,273,280
17	May 29, 2021 17:10	4,964	40,638,896	13,899,000	1,985,000	2,535,424
18	May 29, 2021 17:11	4,964	34,552,002	13,900,000	1,985,000	2,445,312
19	May 29, 2021 17:11	4,965	36,657,453	14,895,000	993,000	2,535,424
20	May 29, 2021 17:11	4,966	44,147,679	13,905,000	1,986,000	2,535,424
21	May 29, 2021 17:11	4,966	36,107,357	14,831,000	1,059,000	2,531,328
22	May 29, 2021 17:11	4,966	37,805,357	14,899,000	993,000	2,441,216
23	May 29, 2021 17:11	4,967	39,065,794	13,907,000	1,986,000	2,535,424
24	May 29, 2021 17:11	4,968	27,965,550	13,910,000	1,987,000	2,441,216
25	May 29, 2021 17:11	4,968	43,810,584	13,912,000	1,987,000	2,445,312
26	May 29, 2021 17:11	4,970	40,726,348	13,916,000	1,988,000	2,535,424
27	May 29, 2021 17:11	4,973	33,029,831	14,852,000	1,060,000	2,437,120
28	May 29, 2021 17:10	4,974	31,523,104	13,927,000	1,989,000	2,453,504
29	May 29, 2021 17:10	4,974	39,242,375	13,928,000	1,989,000	2,437,120
30	May 29, 2021 17:10	4,975	30,111,623	14,859,000	1,061,000	2,441,216
31	May 29, 2021 17:10	4,975	40,076,502	13,930,000	1,990,000	2,273,280
32	May 29, 2021 17:11	4,976	35,327,969	13,934,000	1,990,000	2,449,408
33	May 29, 2021 17:11	4,976	40,618,240	13,933,000	1,990,000	2,445,312
34	May 29, 2021 17:11	4,978	36,525,955	13,938,000	1,991,000	2,449,408
35	May 29, 2021 17:11	4,978	30,648,455	13,938,000	1,991,000	2,535,424
36	May 29, 2021 17:11	4,979	41,870,039	13,941,000	1,991,000	2,535,424
37	May 29, 2021 17:11	4,981	35,885,855	13,947,000	1,992,000	2,441,216
38	May 29, 2021 17:11	4,986	33,245,719	13,960,000	1,994,000	2,273,280
39	May 29, 2021 17:11	4,986	37,403,177	13,961,000	1,994,000	2,535,424
40	May 29, 2021 17:10	4,988	41,429,789	13,965,000	1,995,000	2,535,424
41	May 29, 2021 17:10	4,989	32,109,763	13,969,000	1,995,000	2,535,424
42	May 29, 2021 17:11	4,989	41,242,949	13,970,000	1,995,000	2,535,424
43	May 29, 2021 17:11	4,991	39,676,551	13,975,000	1,996,000	2,535,424
44	May 29, 2021 17:11	5,004	31,619,796	14,013,000	2,001,000	2,445,312
45	May 29, 2021 17:11	5,012	31,177,345	14,034,000	2,004,000	2,535,424
46	May 29, 2021 17:11	5,155	81,820,509	16,496,055	0	2,195,456
47	May 29, 2021 17:11	5,164	67,911,276	16,524,945	0	2,199,552
48	May 29, 2021 17:10	5,169	53,956,938	16,541,419	0	2,203,648
49	May 29, 2021 17:11	5,174	80,460,878	16,556,510	0	2,203,648
50	May 29, 2021 17:11	5,175	76,535,596	16,560,038	0	2,199,552
51	May 29, 2021 17:11	5,176	87,447,144	16,564,065	0	2,195,456
52	May 29, 2021 17:10	5,177	97,011,676	16,566,726	0	2,191,360
53	May 29, 2021 17:11	5,179	66,727,912	16,571,253	0	2,199,552
54	May 29, 2021 17:11	5,180	80,897,829	16,575,258	0	2,199,552
55	May 29, 2021 17:11	5,194	70,963,599	16,620,223	0	2,207,744
56	May 29, 2021 17:10	5,195	66,316,495	16,624,501	0	2,199,552
57	May 29, 2021 17:11	5,203	71,643,229	16,650,051	0	2,187,264
58	May 29, 2021 17:11	5,203	75,916,670	16,648,918	0	2,211,840
59	May 29, 2021 17:11	5,204	84,619,600	16,652,789	0	2,207,744
60	May 29, 2021 17:11	5,206	93,586,405	16,660,296	0	2,207,744

Model	Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz
Cores	1