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 19, 2021 18:17

Andrey Tsvetkov

Score: 6,241

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 19, 2021 18:17	6,106	43,048,917	19,540,000	0	2,396,160
2	May 16, 2021 13:09	6,113	34,688,547	19,562,000	0	2,326,528
3	May 19, 2021 18:17	6,115	41,242,951	19,568,000	0	2,531,328
4	May 16, 2021 13:09	6,119	41,268,157	18,552,000	1,030,000	2,326,528
5	May 16, 2021 13:09	6,119	38,169,658	18,550,000	1,030,000	2,535,424
6	May 19, 2021 18:17	6,122	42,615,679	17,527,000	2,062,000	2,531,328
7	May 19, 2021 18:17	6,126	46,180,134	19,604,000	0	2,326,528
8	May 16, 2021 13:09	6,127	47,951,157	19,607,000	0	2,326,528
9	May 19, 2021 18:17	6,134	46,507,900	18,595,000	1,033,000	2,326,528
10	May 19, 2021 18:17	6,139	35,754,672	18,612,000	1,034,000	2,326,528
11	May 16, 2021 13:09	6,140	44,959,144	17,581,000	2,068,000	2,400,256
12	May 16, 2021 13:09	6,143	47,951,693	18,623,000	1,034,000	2,330,624
13	May 19, 2021 18:17	6,157	45,807,414	19,701,000	0	2,531,328
14	May 19, 2021 18:17	6,165	47,396,850	18,690,000	1,038,000	2,326,528
15	May 19, 2021 18:17	6,174	86,119,914	19,755,906	0	2,236,416
16	May 19, 2021 18:17	6,186	81,304,455	19,794,447	0	2,232,320
17	May 16, 2021 13:09	6,194	82,191,192	19,820,667	0	2,236,416
18	May 16, 2021 13:09	6,197	33,939,765	16,855,000	2,974,000	2,326,528
19	May 19, 2021 18:17	6,198	86,531,119	19,833,442	0	2,236,416
20	May 16, 2021 13:09	6,208	46,045,439	16,885,000	2,979,000	2,326,528
21	May 19, 2021 18:17	6,212	46,044,398	17,890,000	1,987,000	2,330,624
22	May 16, 2021 13:09	6,213	47,349,211	17,892,000	1,988,000	2,527,232
23	May 19, 2021 18:17	6,221	88,493,501	19,907,152	0	2,240,512
24	May 19, 2021 18:17	6,227	58,191,092	19,925,540	0	2,232,320
25	May 19, 2021 18:16	6,232	66,567,208	19,940,849	0	2,260,992
26	May 16, 2021 13:09	6,241	66,823,465	19,970,405	0	2,232,320
27	May 19, 2021 18:16	6,259	88,128,002	20,029,256	0	2,240,512
28	May 19, 2021 18:17	6,266	83,830,520	20,051,208	0	2,244,608
29	May 19, 2021 18:16	6,268	101,120,290	20,057,029	0	2,244,608
30	May 19, 2021 18:16	6,283	86,825,759	20,105,565	0	2,228,224
31	May 19, 2021 18:17	6,293	100,930,297	20,137,828	0	2,236,416
32	May 19, 2021 18:17	6,302	78,442,249	20,166,633	0	2,236,416
33	May 19, 2021 18:17	6,303	85,787,069	20,169,702	0	2,236,416
34	May 19, 2021 18:17	6,306	91,711,307	20,179,035	0	2,236,416
35	May 19, 2021 18:17	6,334	82,182,022	20,267,212	0	2,228,224
36	May 19, 2021 18:17	6,358	79,528,993	20,345,322	0	2,260,992
37	May 19, 2021 18:17	6,364	89,493,057	20,364,431	0	2,256,896
38	May 16, 2021 13:09	6,376	96,781,291	20,402,199	0	2,232,320
39	May 19, 2021 18:17	6,394	85,659,949	20,461,558	0	2,236,416
40	May 19, 2021 18:17	6,417	66,407,527	20,533,759	0	2,256,896
41	May 19, 2021 18:17	7,073	59,507,840	22,632,925	0	2,256,896
42	May 19, 2021 18:17	7,243	92,618,208	23,176,618	0	2,236,416
43	May 19, 2021 18:17	8,202	65,552,483	26,246,414	0	2,256,896
44	May 19, 2021 18:17	8,284	75,106,969	26,508,910	0	2,256,896
45	May 19, 2021 18:17	8,624	75,319,734	27,596,365	0	2,236,416
46	May 19, 2021 18:17	8,637	91,809,468	27,636,924	0	2,236,416
47	May 19, 2021 18:16	9,006	56,030,352	28,817,720	0	2,232,320
48	May 19, 2021 18:16	9,031	65,408,261	28,898,855	0	2,232,320
49	May 19, 2021 18:17	10,990	116,078,610	35,167,220	0	2,224,128
50	May 19, 2021 18:17	11,238	98,338,292	35,961,061	0	2,351,104
51	May 19, 2021 18:17	11,372	96,690,448	36,388,840	0	2,433,024

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