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node-api: add external buffer creation benchmark
Add a micro benchmark for external buffer creation. PR-URL: #54877 Refs: #53804 Refs: #44111 Reviewed-By: Gabriel Schulhof <gabrielschulhof@gmail.com> Reviewed-By: Michael Dawson <midawson@redhat.com>
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build/ |
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#include <node_api.h> | ||
#include <stdio.h> | ||
#include <stdlib.h> | ||
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#define NODE_API_CALL(call) \ | ||
do { \ | ||
napi_status status = call; \ | ||
if (status != napi_ok) { \ | ||
fprintf(stderr, #call " failed: %d\n", status); \ | ||
abort(); \ | ||
} \ | ||
} while (0) | ||
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#define ABORT_IF_FALSE(condition) \ | ||
if (!(condition)) { \ | ||
fprintf(stderr, #condition " failed\n"); \ | ||
abort(); \ | ||
} | ||
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static void Finalize(node_api_basic_env env, void* data, void* hint) { | ||
delete[] static_cast<uint8_t*>(data); | ||
} | ||
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static napi_value CreateExternalBuffer(napi_env env, napi_callback_info info) { | ||
napi_value argv[2], undefined, start, end; | ||
size_t argc = 2; | ||
int32_t n = 0; | ||
napi_valuetype val_type = napi_undefined; | ||
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// Validate params and retrieve start and end function. | ||
NODE_API_CALL(napi_get_cb_info(env, info, &argc, argv, nullptr, nullptr)); | ||
ABORT_IF_FALSE(argc == 2); | ||
NODE_API_CALL(napi_typeof(env, argv[0], &val_type)); | ||
ABORT_IF_FALSE(val_type == napi_object); | ||
NODE_API_CALL(napi_typeof(env, argv[1], &val_type)); | ||
ABORT_IF_FALSE(val_type == napi_number); | ||
NODE_API_CALL(napi_get_named_property(env, argv[0], "start", &start)); | ||
NODE_API_CALL(napi_typeof(env, start, &val_type)); | ||
ABORT_IF_FALSE(val_type == napi_function); | ||
NODE_API_CALL(napi_get_named_property(env, argv[0], "end", &end)); | ||
NODE_API_CALL(napi_typeof(env, end, &val_type)); | ||
ABORT_IF_FALSE(val_type == napi_function); | ||
NODE_API_CALL(napi_get_value_int32(env, argv[1], &n)); | ||
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NODE_API_CALL(napi_get_undefined(env, &undefined)); | ||
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constexpr uint32_t kBufferLen = 32; | ||
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// Start the benchmark. | ||
napi_call_function(env, argv[0], start, 0, nullptr, nullptr); | ||
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for (int32_t idx = 0; idx < n; idx++) { | ||
napi_handle_scope scope; | ||
uint8_t* buffer = new uint8_t[kBufferLen]; | ||
napi_value jsbuffer; | ||
NODE_API_CALL(napi_open_handle_scope(env, &scope)); | ||
NODE_API_CALL(napi_create_external_buffer( | ||
env, kBufferLen, buffer, Finalize, nullptr, &jsbuffer)); | ||
NODE_API_CALL(napi_close_handle_scope(env, scope)); | ||
} | ||
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// Conclude the benchmark. | ||
napi_value end_argv[] = {argv[1]}; | ||
NODE_API_CALL(napi_call_function(env, argv[0], end, 1, end_argv, nullptr)); | ||
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return undefined; | ||
} | ||
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NAPI_MODULE_INIT() { | ||
napi_property_descriptor props[] = { | ||
{"createExternalBuffer", | ||
nullptr, | ||
CreateExternalBuffer, | ||
nullptr, | ||
nullptr, | ||
nullptr, | ||
static_cast<napi_property_attributes>(napi_writable | napi_configurable | | ||
napi_enumerable), | ||
nullptr}, | ||
}; | ||
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NODE_API_CALL(napi_define_properties( | ||
env, exports, sizeof(props) / sizeof(*props), props)); | ||
return exports; | ||
} |
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{ | ||
'targets': [ | ||
{ | ||
'target_name': 'binding', | ||
'sources': [ 'binding.cc' ], | ||
'defines': [ | ||
'NAPI_EXPERIMENTAL' | ||
] | ||
}, | ||
{ | ||
'target_name': 'binding_node_api_v8', | ||
'sources': [ 'binding.cc' ], | ||
'defines': [ | ||
'NAPI_VERSION=8' | ||
] | ||
} | ||
] | ||
} |
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'use strict'; | ||
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const common = require('../../common.js'); | ||
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const bench = common.createBenchmark(main, { | ||
n: [5e6], | ||
addon: ['binding', 'binding_node_api_v8'], | ||
implem: ['createExternalBuffer'], | ||
}); | ||
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function main({ n, implem, addon }) { | ||
const binding = require(`./build/${common.buildType}/${addon}`); | ||
binding[implem](bench, n); | ||
} |