docs/environment_variables.md - Issue 1704053002: Documentation change - Remove MIPS from LIBYUV_DISABLE_DSPR2

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Issue 1704053002: Documentation change - Remove MIPS from LIBYUV_DISABLE_DSPR2 (Closed) Base URL: https://chromium.googlesource.com/libyuv/libyuv@master

Patch Set: Created 4 years, 10 months ago

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1 # Introduction	1 # Introduction

2	2

3 For test purposes, environment variables can be set to control libyuv behavior. These should only be used for testing, to narrow down bugs or to test performan ce.	3 For test purposes, environment variables can be set to control libyuv behavior. These should only be used for testing, to narrow down bugs or to test performan ce.

4	4

5 # CPU	5 # CPU

6	6

7 By default the cpu is detected and the most advanced form of SIMD is used. But you can disable instruction sets selectively, or completely, falling back on C c ode. Set the variable to 1 to disable the specified instruction set.	7 By default the cpu is detected and the most advanced form of SIMD is used. But you can disable instruction sets selectively, or completely, falling back on C c ode. Set the variable to 1 to disable the specified instruction set.

8	8

9 LIBYUV_DISABLE_ASM	9 LIBYUV_DISABLE_ASM

10 LIBYUV_DISABLE_X86	10 LIBYUV_DISABLE_X86

11 LIBYUV_DISABLE_SSE2	11 LIBYUV_DISABLE_SSE2

12 LIBYUV_DISABLE_SSSE3	12 LIBYUV_DISABLE_SSSE3

13 LIBYUV_DISABLE_SSE41	13 LIBYUV_DISABLE_SSE41

14 LIBYUV_DISABLE_SSE42	14 LIBYUV_DISABLE_SSE42

15 LIBYUV_DISABLE_AVX	15 LIBYUV_DISABLE_AVX

16 LIBYUV_DISABLE_AVX2	16 LIBYUV_DISABLE_AVX2

17 LIBYUV_DISABLE_AVX3	17 LIBYUV_DISABLE_AVX3

18 LIBYUV_DISABLE_ERMS	18 LIBYUV_DISABLE_ERMS

19 LIBYUV_DISABLE_FMA3	19 LIBYUV_DISABLE_FMA3

20 LIBYUV_DISABLE_MIPS_DSPR2	20 LIBYUV_DISABLE_DSPR2

21 LIBYUV_DISABLE_NEON	21 LIBYUV_DISABLE_NEON

22	22

23 # Test Width/Height/Repeat	23 # Test Width/Height/Repeat

24	24

25 The unittests default to a small image (32x18) to run fast. This can be set by environment variable to test a specific resolutions.	25 The unittests default to a small image (32x18) to run fast. This can be set by environment variable to test a specific resolutions.

26 You can also repeat the test a specified number of iterations, allowing benchmar king and profiling.	26 You can also repeat the test a specified number of iterations, allowing benchmar king and profiling.

27	27

28 set LIBYUV_WIDTH=1280	28 set LIBYUV_WIDTH=1280

29 set LIBYUV_HEIGHT=720	29 set LIBYUV_HEIGHT=720

30 set LIBYUV_REPEAT=999	30 set LIBYUV_REPEAT=999

31 set LIBYUV_FLAGS=-1	31 set LIBYUV_FLAGS=-1

32 set LIBYUV_CPU_INFO=-1	32 set LIBYUV_CPU_INFO=-1

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