Remove dead code.
We have benchmarking for memset in bionic itself, and a benchmarking
framework for other native benchmarking.
Change-Id: I241a288a96d3b2d37f3d51b04a519ac23f18a989
diff --git a/libcutils/tests/Android.mk b/libcutils/tests/Android.mk
deleted file mode 100644
index 6571161..0000000
--- a/libcutils/tests/Android.mk
+++ /dev/null
@@ -1 +0,0 @@
-include $(all-subdir-makefiles)
diff --git a/libcutils/tests/memset_mips/Android.mk b/libcutils/tests/memset_mips/Android.mk
deleted file mode 100644
index c22fca9..0000000
--- a/libcutils/tests/memset_mips/Android.mk
+++ /dev/null
@@ -1,23 +0,0 @@
-# Copyright 2012 The Android Open Source Project
-
-ifeq ($(TARGET_ARCH),mips)
-
-LOCAL_PATH:= $(call my-dir)
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES:= \
- test_memset.c \
- android_memset_dumb.S \
- android_memset_test.S \
- memset_cmips.S \
- memset_omips.S
-
-LOCAL_MODULE:= test_memset
-
-LOCAL_FORCE_STATIC_EXECUTABLE := true
-LOCAL_STATIC_LIBRARIES := libcutils libc
-LOCAL_MODULE_TAGS := tests
-
-include $(BUILD_EXECUTABLE)
-
-endif
diff --git a/libcutils/tests/memset_mips/android_memset_dumb.S b/libcutils/tests/memset_mips/android_memset_dumb.S
deleted file mode 100644
index c8a1a37..0000000
--- a/libcutils/tests/memset_mips/android_memset_dumb.S
+++ /dev/null
@@ -1,36 +0,0 @@
- .global android_memset16_dumb
- .type android_memset16_dumb, @function
-android_memset16_dumb:
- .ent android_memset16_dumb
-
- .set noreorder
- beqz $a2,9f
- srl $a2,1
-
-1: sh $a1,($a0)
- subu $a2,1
- bnez $a2,1b
- addu $a0,2
- .set reorder
-
-9: j $ra
- .end android_memset16_dumb
- .size android_memset16_dumb,.-android_memset16_dumb
-
- .global android_memset32_dumb
- .type android_memset32_dumb, @function
-android_memset32_dumb:
- .ent android_memset32_dumb
- .set noreorder
- beqz $a2,9f
- srl $a2,2
-
-1: sw $a1,($a0)
- subu $a2,1
- bnez $a2,1b
- addu $a0,4
- .set reorder
-
-9: j $ra
- .end android_memset32_dumb
- .size android_memset32_dumb,.-android_memset32_dumb
diff --git a/libcutils/tests/memset_mips/android_memset_test.S b/libcutils/tests/memset_mips/android_memset_test.S
deleted file mode 100644
index e918843..0000000
--- a/libcutils/tests/memset_mips/android_memset_test.S
+++ /dev/null
@@ -1,152 +0,0 @@
-/*
- * Copyright (C) 2006 The android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifdef NDEBUG
-#define DBG #
-#else
-#define DBG
-#endif
-
- .text
- .align
-
- /*
- * Optimized memset16 for MIPS
- *
- * void android_memset16_test(uint16_t* dst, uint16_t value, size_t size);
- *
- */
-
- .global android_memset16_test
- .type android_memset16_test, @function
-android_memset16_test:
- .ent android_memset16_test
- .set noreorder
-
- /* Check parameters */
-DBG andi $t0,$a0,1 /* $a0 must be halfword aligned */
-DBG tne $t0
-DBG lui $t1,0xffff /* $a1 must be 16bits */
-DBG and $t1,$a1
-DBG tne $t1
-DBG andi $t2,$a2,1 /* $a2 must be even */
-DBG tne $t2
-
-#if (__mips==32) && (__mips_isa_rev>=2)
- ins $a2,$0,0,1
-#else
- li $t0,~1
- and $a2,$t0
-#endif
-
- move $t8,$ra
- blez $a2,9f /* Anything to do? */
- andi $t0,$a0,2 /* Check dst alignment */
- /* Expand value to 32 bits and check destination alignment */
-#if (__mips==32) && (__mips_isa_rev>=2)
- beqz $t0,.Laligned32 /* dst is 32 bit aligned */
- ins $a1,$a1,16,16
-#else
- sll $t2,$a1,16
- beqz $t0,.Laligned32 /* dst is 32 bit aligned */
- or $a1,$t2
-#endif
- sh $a1,($a0) /* do one halfword to get aligned */
- subu $a2,2
- addu $a0,2
-
-.Laligned32:
- and $t1,$a2,63 /* is there enough left to do a full 64 byte loop? */
- beq $a2,$t1,1f
- subu $t2,$a2,$t1 /* $t2 is the number of bytes to do in loop64 */
- addu $t3,$a0,$t2 /* $t3 is the end marker for loop64 */
- subu $a2,$t2
-.Lloop64:
- addu $a0,64
- sw $a1,-64($a0)
- sw $a1,-60($a0)
- sw $a1,-56($a0)
- sw $a1,-52($a0)
- sw $a1,-48($a0)
- sw $a1,-44($a0)
- sw $a1,-40($a0)
- sw $a1,-36($a0)
- sw $a1,-32($a0)
- sw $a1,-28($a0)
- sw $a1,-24($a0)
- sw $a1,-20($a0)
- sw $a1,-16($a0)
- sw $a1,-12($a0)
- sw $a1,-8($a0)
- bne $a0,$t3,.Lloop64
- sw $a1,-4($a0)
-
- /* Do the last 0..62 bytes */
-1: li $t0,64+12
- andi $t1,$a2,0x3c /* $t1 how many bytes to store using sw */
- bal 1f
- subu $t0,$t1 /* 64+12-$t0 is offset to jump from 1f */
-1: addu $ra,$t0
- j $ra
- subu $a2,$t1
-2: sw $a1,60($a0)
- sw $a1,56($a0)
- sw $a1,52($a0)
- sw $a1,48($a0)
- sw $a1,44($a0)
- sw $a1,40($a0)
- sw $a1,36($a0)
- sw $a1,32($a0)
- sw $a1,28($a0)
- sw $a1,24($a0)
- sw $a1,20($a0)
- sw $a1,16($a0)
- sw $a1,12($a0)
- sw $a1,8($a0)
- sw $a1,4($a0)
- sw $a1,0($a0)
-
- beqz $a2,9f
- addu $a0,$t1
- sh $a1,($a0)
-
-9: j $t8
- nop
- .end android_memset16_test
- .size android_memset16_test,.-android_memset16_test
-
- /*
- * Optimized memset32 for MIPS
- *
- * void android_memset32_test(uint32_t* dst, uint32_t value, size_t size);
- *
- */
- .global android_memset32_test
- .type android_memset32_test, @function
-android_memset32_test:
- .ent android_memset32_test
- .set noreorder
-
- /* Check parameters */
-DBG andi $t0,$a0,3 /* $a0 must be word aligned */
-DBG tne $t0
-DBG andi $t2,$a2,3 /* $a2 must be a multiple of 4 bytes */
-DBG tne $t2
-
- b .Laligned32
- move $t8,$ra
- .end android_memset32_test
- .size android_memset32_test,.-android_memset32_test
diff --git a/libcutils/tests/memset_mips/memset_cmips.S b/libcutils/tests/memset_mips/memset_cmips.S
deleted file mode 100644
index f8f3a91..0000000
--- a/libcutils/tests/memset_mips/memset_cmips.S
+++ /dev/null
@@ -1,227 +0,0 @@
-/*
- * Copyright (c) 2009
- * MIPS Technologies, Inc., California.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the MIPS Technologies, Inc., nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE MIPS TECHNOLOGIES, INC. ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE MIPS TECHNOLOGIES, INC. BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-/************************************************************************
- *
- * memset.S, version "64h" with 1 cache line horizon for "pref 30" and 14 nops
- * Version: "043009"
- *
- ************************************************************************/
-
-
-/************************************************************************
- * Include files
- ************************************************************************/
-
-#include "machine/asm.h"
-
-/*
- * This routine could be optimized for MIPS64. The current code only
- * uses MIPS32 instructions.
- */
-
-#if defined(__MIPSEB__)
-# define SWHI swl /* high part is left in big-endian */
-#endif
-
-#if defined(__MIPSEL__)
-# define SWHI swr /* high part is right in little-endian */
-#endif
-
-#if !(defined(XGPROF) || defined(XPROF))
-#undef SETUP_GP
-#define SETUP_GP
-#endif
-
-LEAF(memset_cmips,0)
-
- .set noreorder
- .set noat
-
- addu t0,a0,a2 # t0 is the "past the end" address
- slti AT,a2,4 # is a2 less than 4?
- bne AT,zero,.Llast4 # if yes, go to last4
- move v0,a0 # memset returns the dst pointer
-
- beq a1,zero,.Lset0
- subu v1,zero,a0
-
- # smear byte into 32 bit word
-#if (__mips==32) && (__mips_isa_rev>=2)
- ins a1, a1, 8, 8 # Replicate fill byte into half-word.
- ins a1, a1, 16, 16 # Replicate fill byte into word.
-#else
- and a1,0xff
- sll AT,a1,8
- or a1,AT
- sll AT,a1,16
- or a1,AT
-#endif
-
-.Lset0: andi v1,v1,0x3 # word-unaligned address?
- beq v1,zero,.Laligned # v1 is the unalignment count
- subu a2,a2,v1
- SWHI a1,0(a0)
- addu a0,a0,v1
-
-# Here we have the "word-aligned" a0 (until the "last4")
-.Laligned:
- andi t8,a2,0x3f # any 64-byte chunks?
- # t8 is the byte count past 64-byte chunks
- beq a2,t8,.Lchk8w # when a2==t8, no 64-byte chunks
- # There will be at most 1 32-byte chunk then
- subu a3,a2,t8 # subtract from a2 the reminder
- # Here a3 counts bytes in 16w chunks
- addu a3,a0,a3 # Now a3 is the final dst after 64-byte chunks
-
-# Find out, if there are any 64-byte chunks after which will be still at least
-# 96 bytes left. The value "96" is calculated as needed buffer for
-# "pref 30,64(a0)" prefetch, which can be used as "pref 30,0(a0)" after
-# incrementing "a0" by 64.
-# For "a2" below 160 there will be no such "pref 30 safe" 64-byte chunk.
-#
- sltiu v1,a2,160
- bgtz v1,.Lloop16w_nopref30 # skip "pref 30,0(a0)"
- subu t7,a2,96 # subtract "pref 30 unsafe" region
- # below we have at least 1 64-byte chunk which is "pref 30 safe"
- andi t6,t7,0x3f # t6 is past "64-byte safe chunks" reminder
- subu t5,t7,t6 # subtract from t7 the reminder
- # Here t5 counts bytes in 16w "safe" chunks
- addu t4,a0,t5 # Now t4 is the dst after 64-byte "safe" chunks
-
-# Don't use "pref 30,0(a0)" for a0 in a "middle" of a cache line
-# pref 30,0(a0)
-# Here we are in the region, where it is safe to use "pref 30,64(a0)"
-.Lloop16w:
- addiu a0,a0,64
- pref 30,-32(a0) # continue setting up the dest, addr 64-32
- sw a1,-64(a0)
- sw a1,-60(a0)
- sw a1,-56(a0)
- sw a1,-52(a0)
- sw a1,-48(a0)
- sw a1,-44(a0)
- sw a1,-40(a0)
- sw a1,-36(a0)
- nop
- nop # the extra nop instructions help to balance
- nop # cycles needed for "store" + "fill" + "evict"
- nop # For 64byte store there are needed 8 fill
- nop # and 8 evict cycles, i.e. at least 32 instr.
- nop
- nop
- pref 30,0(a0) # continue setting up the dest, addr 64-0
- sw a1,-32(a0)
- sw a1,-28(a0)
- sw a1,-24(a0)
- sw a1,-20(a0)
- sw a1,-16(a0)
- sw a1,-12(a0)
- sw a1,-8(a0)
- sw a1,-4(a0)
- nop
- nop
- nop
- nop # NOTE: adding 14 nop-s instead of 12 nop-s
- nop # gives better results for "fast" memory
- nop
- bne a0,t4,.Lloop16w
- nop
-
- beq a0,a3,.Lchk8w # maybe no more 64-byte chunks?
- nop # this "delayed slot" is useless ...
-
-.Lloop16w_nopref30: # there could be up to 3 "64-byte nopref30" chunks
- addiu a0,a0,64
- sw a1,-64(a0)
- sw a1,-60(a0)
- sw a1,-56(a0)
- sw a1,-52(a0)
- sw a1,-48(a0)
- sw a1,-44(a0)
- sw a1,-40(a0)
- sw a1,-36(a0)
- sw a1,-32(a0)
- sw a1,-28(a0)
- sw a1,-24(a0)
- sw a1,-20(a0)
- sw a1,-16(a0)
- sw a1,-12(a0)
- sw a1,-8(a0)
- bne a0,a3,.Lloop16w_nopref30
- sw a1,-4(a0)
-
-.Lchk8w: # t8 here is the byte count past 64-byte chunks
-
- andi t7,t8,0x1f # is there a 32-byte chunk?
- # the t7 is the reminder count past 32-bytes
- beq t8,t7,.Lchk1w # when t8==t7, no 32-byte chunk
- move a2,t7
-
- sw a1,0(a0)
- sw a1,4(a0)
- sw a1,8(a0)
- sw a1,12(a0)
- sw a1,16(a0)
- sw a1,20(a0)
- sw a1,24(a0)
- sw a1,28(a0)
- addiu a0,a0,32
-
-.Lchk1w:
- andi t8,a2,0x3 # now t8 is the reminder past 1w chunks
- beq a2,t8,.Llast4
- subu a3,a2,t8 # a3 is the count of bytes in 1w chunks
- addu a3,a0,a3 # now a3 is the dst address past the 1w chunks
-
-# copying in words (4-byte chunks)
-.LwordCopy_loop:
- addiu a0,a0,4
- bne a0,a3,.LwordCopy_loop
- sw a1,-4(a0)
-
-.Llast4:beq a0,t0,.Llast4e
-.Llast4l:addiu a0,a0,1
- bne a0,t0,.Llast4l
- sb a1,-1(a0)
-
-.Llast4e:
- j ra
- nop
-
- .set at
- .set reorder
-
-END(memset_cmips)
-
-
-/************************************************************************
- * Implementation : Static functions
- ************************************************************************/
-
diff --git a/libcutils/tests/memset_mips/memset_omips.S b/libcutils/tests/memset_mips/memset_omips.S
deleted file mode 100644
index 4c47001..0000000
--- a/libcutils/tests/memset_mips/memset_omips.S
+++ /dev/null
@@ -1,90 +0,0 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Hartvig Ekner <hartvige@mips.com>, 2002.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-/* void *memset_omips(void *s, int c, size_t n). */
-
-#include "machine/asm.h"
-
-#ifdef __mips64
-#error mips32 code being compiled for mips64!
-#endif
-
-#if defined(__MIPSEB__)
-#error big-endian is not supported in Broadcom MIPS Android platform
-# define SWHI swl /* high part is left in big-endian */
-#else
-# define SWHI swr /* high part is right in little-endian */
-#endif
-
-LEAF (memset_omips,0)
- .set noreorder
-
- slti t1, a2, 8 # Less than 8?
- bne t1, zero, .Llast8
- move v0, a0 # Setup exit value before too late
-
- beq a1, zero, .Lueven # If zero pattern, no need to extend
- andi a1, 0xff # Avoid problems with bogus arguments
- sll t0, a1, 8
- or a1, t0
- sll t0, a1, 16
- or a1, t0 # a1 is now pattern in full word
-
-.Lueven:
- subu t0, zero, a0 # Unaligned address?
- andi t0, 0x3
- beq t0, zero, .Lchkw
- subu a2, t0
- SWHI a1, 0(a0) # Yes, handle first unaligned part
- addu a0, t0 # Now both a0 and a2 are updated
-
-.Lchkw:
- andi t0, a2, 0x7 # Enough left for one loop iteration?
- beq t0, a2, .Lchkl
- subu a3, a2, t0
- addu a3, a0 # a3 is last loop address +1
- move a2, t0 # a2 is now # of bytes left after loop
-.Lloopw:
- addiu a0, 8 # Handle 2 words pr. iteration
- sw a1, -8(a0)
- bne a0, a3, .Lloopw
- sw a1, -4(a0)
-
-.Lchkl:
- andi t0, a2, 0x4 # Check if there is at least a full
- beq t0, zero, .Llast8 # word remaining after the loop
- subu a2, t0
- sw a1, 0(a0) # Yes...
- addiu a0, 4
-
-.Llast8:
- blez a2, .Lexit # Handle last 8 bytes (if cnt>0)
- addu a3, a2, a0 # a3 is last address +1
-.Llst8l:
- addiu a0, 1
- bne a0, a3, .Llst8l
- sb a1, -1(a0)
-.Lexit:
- j ra # Bye, bye
- nop
-
- .set reorder
-END (memset_omips)
-
-
diff --git a/libcutils/tests/memset_mips/test_memset.c b/libcutils/tests/memset_mips/test_memset.c
deleted file mode 100644
index 9705c65..0000000
--- a/libcutils/tests/memset_mips/test_memset.c
+++ /dev/null
@@ -1,235 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <assert.h>
-#include <cutils/memory.h>
-#include <time.h>
-
-/*
- * All systems must implement or emulate the rdhwr instruction to read
- * the userlocal register. Systems that emulate also return teh count register
- * when accessing register $2 so this should work on most systems
- */
-#define USE_RDHWR
-
-#ifdef USE_RDHWR
-#define UNITS "cycles"
-#define SCALE 2 /* Most CPU's */
-static inline uint32_t
-get_count(void)
-{
- uint32_t res;
- asm volatile (".set push; .set mips32r2; rdhwr %[res],$2; .set pop" : [res] "=r" (res) : : "memory");
- return res;
-}
-#else
-#define UNITS "ns"
-#define SCALE 1
-static inline uint32_t
-get_count(void)
-{
- struct timespec now;
- uint32_t res;
- clock_gettime(CLOCK_REALTIME, &now);
- res = (uint32_t)(now.tv_sec * 1000000000LL + now.tv_nsec);
- // printf ("now=%d.%09d res=%d\n", (int)now.tv_sec, (int)now.tv_nsec, res);
- return res;
-}
-#endif
-
-uint32_t overhead;
-void
-measure_overhead(void)
-{
- int i;
- uint32_t start, stop, delta;
- for (i = 0; i < 32; i++) {
- start = get_count();
- stop = get_count();
- delta = stop - start;
- if (overhead == 0 || delta < overhead)
- overhead = delta;
- }
- printf("overhead is %d"UNITS"\n", overhead);
-}
-
-uint32_t
-timeone(void (*fn)(), void *d, uint32_t val, uint32_t bytes)
-{
- uint32_t start, stop, delta;
- start = get_count();
- (*fn)(d, val, bytes);
- stop = get_count();
- delta = stop - start - overhead;
- // printf ("start=0x%08x stop=0x%08x delta=0x%08x\n", start, stop, delta);
- return delta * SCALE;
-}
-
-/* define VERIFY to check that memset only touches the bytes it's supposed to */
-/*#define VERIFY*/
-
-/*
- * Using a big arena means that memset will most likely miss in the cache
- * NB Enabling verification effectively warms up the cache...
- */
-#define ARENASIZE 0x1000000
-#ifdef VERIFY
-char arena[ARENASIZE+8]; /* Allow space for guard words */
-#else
-char arena[ARENASIZE];
-#endif
-
-void
-testone(char *tag, void (*fn)(), int trials, int minbytes, int maxbytes, int size, int threshold)
-{
- int offset;
- void *d;
- void *p;
- uint32_t v, notv = 0;
- uint32_t n;
- int i, units;
- int totalunits = 0, totalbytes = 0, samples = 0;
-
- /* Reset RNG to ensure each test uses same random values */
- srand(0); /* FIXME should be able to use some other seed than 0 */
-
- for (i = 0; i < trials; i++) {
- n = minbytes + (rand() % (maxbytes-minbytes)); /* How many bytes to do */
- offset = ((rand() % (ARENASIZE-n))); /* Where to start */
-
-#ifdef VERIFY
- offset += 4; /* Allow space for guard word at beginning */
-#endif
- v = rand();
-
- /* Adjust alignment and sizes based on transfer size */
- switch (size) {
- case 1:
- v &= 0xff;
- notv = ~v & 0xff;
- break;
- case 2:
- v &= 0xffff;
- notv = ~v & 0xffff;
- offset &= ~1;
- n &= ~1;
- break;
- case 4:
- notv = ~v;
- offset &= ~3;
- n &= ~3;
- break;
- }
-
- d = &arena[offset];
-
-#ifdef VERIFY
- /* Initialise the area and guard words */
- for (p = &arena[offset-4]; p < (void *)&arena[offset+n+4]; p = (void *)((uint32_t)p + size)) {
- if (size == 1)
- *(uint8_t *)p = notv;
- else if (size == 2)
- *(uint16_t *)p = notv;
- else if (size == 4)
- *(uint32_t *)p = notv;
- }
-#endif
- units = timeone(fn, d, v, n);
-#ifdef VERIFY
- /* Check the area and guard words */
- for (p = &arena[offset-4]; p < (void *)&arena[offset+n+4]; p = (void *)((uint32_t)p + size)) {
- uint32_t got = 0;
- if (size == 1)
- got = *(uint8_t *)p;
- else if (size == 2)
- got = *(uint16_t *)p;
- else if (size == 4)
- got = *(uint32_t *)p;
- if (p < (void *)&arena[offset]) {
- if (got != notv)
- printf ("%s: verify failure: preguard:%p d=%p v=%08x got=%08x n=%d\n", tag, p, d, v, got, n);
- }
- else if (p < (void *)&arena[offset+n]) {
- if (got != v)
- printf ("%s: verify failure: arena:%p d=%p v=%08x got=%08x n=%d\n", tag, p, d, v, n);
- }
- else {
- if (got != notv)
- printf ("%s: verify failure: postguard:%p d=%p v=%08x got=%08x n=%d\n", tag, p, d, v, n);
- }
- }
-#endif
-
- /* If the cycle count looks reasonable include it in the statistics */
- if (units < threshold) {
- totalbytes += n;
- totalunits += units;
- samples++;
- }
- }
-
- printf("%s: samples=%d avglen=%d avg" UNITS "=%d bp"UNITS"=%g\n",
- tag, samples, totalbytes/samples, totalunits/samples, (double)totalbytes/(double)totalunits);
-}
-
-extern void android_memset32_dumb(uint32_t* dst, uint32_t value, size_t size);
-extern void android_memset16_dumb(uint32_t* dst, uint16_t value, size_t size);
-extern void android_memset32_test(uint32_t* dst, uint32_t value, size_t size);
-extern void android_memset16_test(uint32_t* dst, uint16_t value, size_t size);
-extern void memset_cmips(void* dst, int value, size_t size);
-extern void memset_omips(void* dst, int value, size_t size);
-
-int
-main(int argc, char **argv)
-{
- int i;
- struct {
- char *type;
- int trials;
- int minbytes, maxbytes;
- } *pp, params[] = {
- {"small", 10000, 0, 64},
- {"medium", 10000, 64, 512},
- {"large", 10000, 512, 1280},
- {"varied", 10000, 0, 1280},
- };
-#define NPARAMS (sizeof(params)/sizeof(params[0]))
- struct {
- char *name;
- void (*fn)();
- int size;
- } *fp, functions[] = {
- {"dmemset16", (void (*)())android_memset16_dumb, 2},
- {"tmemset16", (void (*)())android_memset16_test, 2},
- {"lmemset16", (void (*)())android_memset16, 2},
-
- {"dmemset32", (void (*)())android_memset32_dumb, 4},
- {"tmemset32", (void (*)())android_memset32_test, 4},
- {"lmemset32", (void (*)())android_memset32, 4},
-
- {"cmemset", (void (*)())memset_cmips, 1},
- {"omemset", (void (*)())memset_omips, 1},
- {"lmemset", (void (*)())memset, 1},
- };
-#define NFUNCTIONS (sizeof(functions)/sizeof(functions[0]))
- char tag[40];
- int threshold;
-
- measure_overhead();
-
- /* Warm up the page cache */
- memset(arena, 0xff, ARENASIZE); /* use 0xff now to avoid COW later */
-
- for (fp = functions; fp < &functions[NFUNCTIONS]; fp++) {
- (fp->fn)(arena, 0xffffffff, ARENASIZE); /* one call to get the code into Icache */
- for (pp = params; pp < ¶ms[NPARAMS]; pp++) {
- sprintf(tag, "%10s: %7s %4d-%4d", fp->name, pp->type, pp->minbytes, pp->maxbytes);
-
- /* Set the cycle threshold */
- threshold = pp->maxbytes * 4 * 10; /* reasonable for cycles and ns */
- testone(tag, fp->fn, pp->trials, pp->minbytes, pp->maxbytes, fp->size, threshold);
- }
- printf ("\n");
- }
-
- return 0;
-}