Mercurial > hg > nginx-ranges

annotate src/os/unix/ngx_sunpro_amd64.il @ 391:1d9bef53cd8e

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Range filter: late_ranges functionality. Add one more filtering point after postpone filter. This allows to serve range capable replies with subrequests. It's not as efficient as range filtering for static data (i.e. doesn't save us from reading data from disk if some filter needs them in memory), but it may save some network bandwidth for us and for our users.
author Maxim Dounin <mdounin@mdounin.ru>
date Mon, 21 Jul 2008 05:33:01 +0400
parents 95183808f549
children be4f34123024
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dad2fe8ecf08 nginx 0.3.2
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1 /
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2 / Copyright (C) Igor Sysoev
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3 /
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5 / ngx_atomic_uint_t ngx_atomic_cmp_set(ngx_atomic_t *lock,
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6 / ngx_atomic_uint_t old, ngx_atomic_uint_t set);
dad2fe8ecf08 nginx 0.3.2
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7 /
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8 / the arguments are passed in %rdi, %rsi, %rdx
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9 / the result is returned in the %rax
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11 .inline ngx_atomic_cmp_set,0
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12 movq %rsi, %rax
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13 lock
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14 cmpxchgq %rdx, (%rdi)
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15 setz %al
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16 movzbq %al, %rax
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17 .end
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dad2fe8ecf08 nginx 0.3.2
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20 / ngx_atomic_int_t ngx_atomic_fetch_add(ngx_atomic_t *value,
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21 / ngx_atomic_int_t add);
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22 /
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23 / the arguments are passed in %rdi, %rsi
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24 / the result is returned in the %rax
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26 .inline ngx_atomic_fetch_add,0
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27 movq %rsi, %rax
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28 lock
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29 xaddq %rax, (%rdi)
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30 .end
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33 / ngx_cpu_pause()
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35 .inline ngx_cpu_pause,0
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36 pause
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37 .end