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[mono][aot] Enable deduplication of runtime invoke wrappers #84304

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merged 13 commits into from
Apr 14, 2023
Merged

[mono][aot] Enable deduplication of runtime invoke wrappers #84304

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5f5823b
Enable deduplication of runtime invoke wrappers
kotlarmilos Apr 4, 2023
6318c17
Add DedupState enum and remove dedup flags
kotlarmilos Apr 6, 2023
f225ca8
Revert runtime invoke wrappers to test the library tests failures on iOS
kotlarmilos Apr 7, 2023
95b010e
Deduplicate runtime invoke dynamic wrapper
kotlarmilos Apr 7, 2023
66f60e6
Emit runtime invoke wrappers within corelib and dedup AOT module
kotlarmilos Apr 7, 2023
691ffe4
Deduplicate runtime invoke wrappers
kotlarmilos Apr 10, 2023
92bf0ac
Run iOS tests on osx 12 as osx 10.15 is no longer in support by apple
kotlarmilos Apr 10, 2023
3e89528
Change ios queue to arm64 to check if x64 is failing
kotlarmilos Apr 10, 2023
c676e7e
Revert pipeline changes
kotlarmilos Apr 11, 2023
ac6cc4c
Merge branch 'dotnet:main' into improvement/dedup-runtime-invoke-wrap…
kotlarmilos Apr 11, 2023
d440266
Enable runtime logging in MonoAOTCompiler task
kotlarmilos Apr 12, 2023
3b5ed5a
Revert deduplication of runtime invoke wrappers
kotlarmilos Apr 13, 2023
769e95c
Add missing parameter to collect_dedup_methods
kotlarmilos Apr 13, 2023
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79 changes: 51 additions & 28 deletions src/mono/mono/mini/aot-compiler.c
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Original file line number Diff line number Diff line change
Expand Up @@ -217,7 +217,7 @@ typedef struct MonoAotOptions {
gboolean use_trampolines_page;
gboolean no_instances;
// We are collecting inflated methods and emitting non-inflated
gboolean dedup;
gboolean dedup_skip;
// The name of the assembly for which the AOT module is going to have all deduped methods moved to.
// When set, we are emitting inflated methods only
char *dedup_include;
Expand Down Expand Up @@ -295,6 +295,13 @@ typedef struct _UnwindInfoSectionCacheItem {
} UnwindInfoSectionCacheItem;
#endif

typedef enum {
DEDUP_NONE, // dedup is turned off
DEDUP_SKIP, // dedup is on, dedup assembly is not provided
DEDUP_COLLECT, // dedup is on, this assembly is not the dedup image, so just collect the methods
DEDUP_EMIT // dedup is on, this assembly is the dedup image, emit collected methods
} DedupPhase;

typedef struct MonoAotCompile {
MonoImage *image;
GPtrArray *methods;
Expand Down Expand Up @@ -381,7 +388,6 @@ typedef struct MonoAotCompile {
gboolean llvm;
gboolean has_jitted_code;
gboolean is_full_aot;
gboolean dedup_collect_only;
MonoAotFileFlags flags;
MonoDynamicStream blob;
gboolean blob_closed;
Expand Down Expand Up @@ -416,8 +422,8 @@ typedef struct MonoAotCompile {
FILE *compiled_methods_outfile;
int datafile_offset;
int gc_name_offset;
// In this mode, we are emitting dedupable methods that we encounter
gboolean dedup_emit_mode;

DedupPhase dedup_phase;
} MonoAotCompile;

typedef struct {
Expand Down Expand Up @@ -519,6 +525,12 @@ mono_aot_mode_is_hybrid (MonoAotOptions *opts)
return opts->mode == MONO_AOT_MODE_HYBRID;
}

static void
dedup_change_phase (MonoAotCompile *acfg, int next_phase)
{
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acfg->dedup_phase = next_phase;
}

static void
aot_printf (MonoAotCompile *acfg, const gchar *format, ...)
{
Expand Down Expand Up @@ -4300,6 +4312,21 @@ get_method_index (MonoAotCompile *acfg, MonoMethod *method)
return index - 1;
}

static gboolean
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collect_dedup_method (MonoAotCompile *acfg, MonoMethod *method)
{
// Check if the dedup is enabled, and if the current method can be deduplicated
if ((acfg->dedup_phase == DEDUP_SKIP || acfg->dedup_phase == DEDUP_COLLECT) && mono_aot_can_dedup (method)) {
// Remember for later
if (acfg->dedup_phase == DEDUP_COLLECT && !g_hash_table_lookup (dedup_methods, method))
g_hash_table_insert (dedup_methods, method, method);
return TRUE;
}
return FALSE;
}



static int
add_method_full (MonoAotCompile *acfg, MonoMethod *method, gboolean extra, int depth)
{
Expand Down Expand Up @@ -4389,16 +4416,8 @@ add_extra_method_full (MonoAotCompile *acfg, MonoMethod *method, gboolean prefer
mono_error_assert_ok (error);
}

if ((acfg->aot_opts.dedup || acfg->aot_opts.dedup_include) && mono_aot_can_dedup (method)) {
if (acfg->aot_opts.dedup) {
/* Don't emit instances */
return;
} else if (!acfg->dedup_emit_mode) {
/* Remember for later */
if (!g_hash_table_lookup (dedup_methods, method))
g_hash_table_insert (dedup_methods, method, method);
}
}
if (collect_dedup_method (acfg, method))
return;

if (acfg->aot_opts.log_generics)
aot_printf (acfg, "%*sAdding method %s.\n", depth, "", mono_method_get_full_name (method));
Expand Down Expand Up @@ -6390,7 +6409,7 @@ is_direct_callable (MonoAotCompile *acfg, MonoMethod *method, MonoJumpInfo *patc
if (callee_cfg) {
gboolean direct_callable = TRUE;

if (direct_callable && (acfg->aot_opts.dedup || acfg->aot_opts.dedup_include) && mono_aot_can_dedup (patch_info->data.method))
if (direct_callable && acfg->dedup_phase != DEDUP_NONE && mono_aot_can_dedup (patch_info->data.method))
direct_callable = FALSE;

if (direct_callable && !acfg->llvm && !(!callee_cfg->has_got_slots && mono_class_is_before_field_init (callee_cfg->method->klass)))
Expand Down Expand Up @@ -8793,7 +8812,7 @@ mono_aot_parse_options (const char *aot_options, MonoAotOptions *opts)
} else if (str_begins_with (arg, "internal-logfile=")) {
opts->logfile = g_strdup (arg + strlen ("internal-logfile="));
} else if (str_begins_with (arg, "dedup-skip")) {
opts->dedup = TRUE;
opts->dedup_skip = TRUE;
} else if (str_begins_with (arg, "dedup-include=")) {
opts->dedup_include = g_strdup (arg + strlen ("dedup-include="));
} else if (str_begins_with (arg, "mtriple=")) {
Expand Down Expand Up @@ -14060,6 +14079,7 @@ acfg_create (MonoAssembly *ass, guint32 jit_opts)
acfg->gshared_instances = g_hash_table_new (NULL, NULL);
acfg->prefer_instances = g_hash_table_new (NULL, NULL);
acfg->exported_methods = g_ptr_array_new ();
acfg->dedup_phase = DEDUP_NONE;
mono_os_mutex_init_recursive (&acfg->mutex);

init_got_info (&acfg->got_info);
Expand Down Expand Up @@ -14706,15 +14726,20 @@ aot_assembly (MonoAssembly *ass, guint32 jit_opts, MonoAotOptions *aot_options)

acfg = acfg_create (ass, jit_opts);
memcpy (&acfg->aot_opts, aot_options, sizeof (MonoAotOptions));

if (acfg->aot_opts.dedup_include && ass != dedup_assembly)
acfg->dedup_collect_only = TRUE;
if (acfg->aot_opts.dedup_skip || acfg->aot_opts.dedup_include) {
if (acfg->aot_opts.dedup_skip)
dedup_change_phase (acfg, DEDUP_SKIP);
else if (acfg->aot_opts.dedup_include && ass != dedup_assembly)
dedup_change_phase (acfg, DEDUP_COLLECT);
else
dedup_change_phase (acfg, DEDUP_EMIT);
}

if (acfg->aot_opts.logfile) {
acfg->logfile = fopen (acfg->aot_opts.logfile, "a+");
}

if (acfg->aot_opts.compiled_methods_outfile && !acfg->dedup_collect_only) {
if (acfg->aot_opts.compiled_methods_outfile && acfg->dedup_phase != DEDUP_COLLECT) {
acfg->compiled_methods_outfile = fopen (acfg->aot_opts.compiled_methods_outfile, "w+");
if (!acfg->compiled_methods_outfile)
aot_printerrf (acfg, "Unable to open compiled-methods-outfile specified file %s\n", acfg->aot_opts.compiled_methods_outfile);
Expand Down Expand Up @@ -14765,14 +14790,14 @@ aot_assembly (MonoAssembly *ass, guint32 jit_opts, MonoAotOptions *aot_options)
if (acfg->jit_opts & MONO_OPT_GSHAREDVT)
mono_set_generic_sharing_vt_supported (TRUE);

if (!acfg->dedup_collect_only)
if (acfg->dedup_phase != DEDUP_COLLECT)
aot_printf (acfg, "Mono Ahead of Time compiler - compiling assembly %s\n", image->name);

if (!acfg->aot_opts.deterministic)
generate_aotid ((guint8*) &acfg->image->aotid);

char *aotid = mono_guid_to_string (acfg->image->aotid);
if (!acfg->dedup_collect_only && !acfg->aot_opts.deterministic)
if (acfg->dedup_phase != DEDUP_COLLECT && !acfg->aot_opts.deterministic)
aot_printf (acfg, "AOTID %s\n", aotid);
g_free (aotid);

Expand Down Expand Up @@ -14878,9 +14903,9 @@ aot_assembly (MonoAssembly *ass, guint32 jit_opts, MonoAotOptions *aot_options)
if (mini_safepoints_enabled ())
acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_SAFEPOINTS);

// The methods in dedup-emit amodules must be available on runtime startup
// The methods in dedup AOT module must be available on runtime startup
// Note: Only one such amodule can have this attribute
if (ass == dedup_assembly)
if (acfg->dedup_phase == DEDUP_EMIT)
acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_EAGER_LOAD);

if (acfg->aot_opts.instances_logfile_path) {
Expand Down Expand Up @@ -14972,16 +14997,14 @@ aot_assembly (MonoAssembly *ass, guint32 jit_opts, MonoAotOptions *aot_options)
return 1;
}

if (ass == dedup_assembly) {
if (acfg->dedup_phase == DEDUP_EMIT) {
/* Add collected dedup-able methods */
aot_printf (acfg, "Adding %d dedup-ed methods.\n", g_hash_table_size (dedup_methods));

GHashTableIter iter;
MonoMethod *key;
MonoMethod *method;

acfg->dedup_emit_mode = TRUE;

g_hash_table_iter_init (&iter, dedup_methods);
while (g_hash_table_iter_next (&iter, (gpointer *)&key, (gpointer *)&method))
add_method_full (acfg, method, TRUE, 0);
Expand Down Expand Up @@ -15064,7 +15087,7 @@ aot_assembly (MonoAssembly *ass, guint32 jit_opts, MonoAotOptions *aot_options)
TV_GETTIME (btv);

acfg->stats.jit_time = GINT64_TO_INT (TV_ELAPSED (atv, btv));
if (acfg->dedup_collect_only) {
if (acfg->dedup_phase == DEDUP_COLLECT) {
/* We only collected methods from this assembly */
acfg_free (acfg);
return 0;
Expand Down
1 change: 0 additions & 1 deletion src/mono/mono/mini/aot-runtime.c
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Original file line number Diff line number Diff line change
Expand Up @@ -4547,7 +4547,6 @@ mono_aot_can_dedup (MonoMethod *method)
#else
return FALSE;
#endif
break;
case MONO_WRAPPER_OTHER: {
WrapperInfo *info = mono_marshal_get_wrapper_info (method);

Expand Down