Coverage for cuda/core/_memory/_legacy.py: 98.39%

1# SPDX-FileCopyrightText: Copyright (c) 2024-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved. 

2# 

3# SPDX-License-Identifier: Apache-2.0 

4 

5from __future__ import annotations (empty)

6 

7from typing import TYPE_CHECKING (empty)

8 

9if TYPE_CHECKING: (empty)

10 from cuda.core._stream import Stream 

11 from cuda.core.graph import GraphBuilder 

12 from cuda.core.typing import DevicePointerType 

13 

14from cuda.core._memory._buffer import Buffer, MemoryResource (empty)

15from cuda.core._utils.cuda_utils import ( (empty)

16 _check_driver_error as raise_if_driver_error, 

17) 

18from cuda.core._utils.cuda_utils import ( (empty)

19 driver, 

20) 

21 

22__all__ = ["LegacyPinnedMemoryResource"] (empty)

23 

24 

25class LegacyPinnedMemoryResource(MemoryResource): (empty)

26 """Create a pinned memory resource that uses legacy cuMemAllocHost/cudaMallocHost 

27 APIs. 

28 """ 

29 

30 # TODO: support creating this MR with flags that are later passed to cuMemHostAlloc? 

31 

32 def allocate(self, size: int, *, stream: Stream | GraphBuilder | None = None) -> Buffer: (empty)

33 """Allocate a buffer of the requested size. 

34 

35 ``cuMemAllocHost`` is synchronous, so this resource ignores any 

36 supplied stream. The argument is accepted (and validated when 

37 non-``None``) for interface conformance with stream-ordered 

38 memory resources. 

39 

40 Parameters 

41 ---------- 

42 size : int 

43 The size of the buffer to allocate, in bytes. 

44 stream : Stream, optional 

45 Keyword-only. Validated when provided but otherwise unused. 

46 

47 Returns 

48 ------- 

49 Buffer 

50 The allocated buffer object, which is accessible on both host and device. 

51 """ 

52 from cuda.core._stream import Stream_accept 202 ctx2gbhbibjbkblbmbnbobpbqbrbsbtbubvbwbxbybzbAbBbCbDbEbFbGbHbIbJbKbLbMbNbObPbQbRbSbkclcmcncocpcqcrcsctcucvcwcxcyczcAcBcCcDcEcFcGcHcIcJcKcLcMcNcOcPcQcRcScTcUcVcWcXcYcZc0c1cp q 2c3c4cTbUbVb5cN O e f n P o j Q g R S 6c7c8ch T U V W X Y Z 0 1 2 3 4 k l 9c!c#cm $c%c'c(c)c*c+c,c-c.c/c:c;c=c?c@c[c]c^c_d`d_c`ca b c {c|cWbXbYbZb0b1b2b3b4b5b6b7b8b9b!b#b$b%b'b(b)b*b+b,b-b.b/b:b;b=b?b@b[b]b^b_b`b{b|b}b~bacbcccqdd dcec

53 

54 if stream is not None: 202 ctx2gbhbibjbkblbmbnbobpbqbrbsbtbubvbwbxbybzbAbBbCbDbEbFbGbHbIbJbKbLbMbNbObPbQbRbSbkclcmcncocpcqcrcsctcucvcwcxcyczcAcBcCcDcEcFcGcHcIcJcKcLcMcNcOcPcQcRcScTcUcVcWcXcYcZc0c1cp q 2c3c4cTbUbVb5cN O e f n P o j Q g R S 6c7c8ch T U V W X Y Z 0 1 2 3 4 k l 9c!c#cm $c%c'c(c)c*c+c,c-c.c/c:c;c=c?c@c[c]c^c_d`d_c`ca b c {c|cWbXbYbZb0b1b2b3b4b5b6b7b8b9b!b#b$b%b'b(b)b*b+b,b-b.b/b:b;b=b?b@b[b]b^b_b`b{b|b}b~bacbcccqdd dcec

55 Stream_accept(stream) 

56 if size: 202 ctx2gbhbibjbkblbmbnbobpbqbrbsbtbubvbwbxbybzbAbBbCbDbEbFbGbHbIbJbKbLbMbNbObPbQbRbSbkclcmcncocpcqcrcsctcucvcwcxcyczcAcBcCcDcEcFcGcHcIcJcKcLcMcNcOcPcQcRcScTcUcVcWcXcYcZc0c1cp q 2c3c4cTbUbVb5cN O e f n P o j Q g R S 6c7c8ch T U V W X Y Z 0 1 2 3 4 k l 9c!c#cm $c%c'c(c)c*c+c,c-c.c/c:c;c=c?c@c[c]c^c_d`d_c`ca b c {c|cWbXbYbZb0b1b2b3b4b5b6b7b8b9b!b#b$b%b'b(b)b*b+b,b-b.b/b:b;b=b?b@b[b]b^b_b`b{b|b}b~bacbcccqdd dcec

57 err, ptr = driver.cuMemAllocHost(size) 201 ctx2gbhbibjbkblbmbnbobpbqbrbsbtbubvbwbxbybzbAbBbCbDbEbFbGbHbIbJbKbLbMbNbObPbQbRbSbkclcmcncocpcqcrcsctcucvcwcxcyczcAcBcCcDcEcFcGcHcIcJcKcLcMcNcOcPcQcRcScTcUcVcWcXcYcZc0c1cp q 2c3c4cTbUbVb5cN O e f n P o j Q g R S 6c7c8ch T U V W X Y Z 0 1 2 3 4 k l 9c!c#cm $c%c'c(c)c*c+c,c-c.c/c:c;c=c?c@c[c]c^c_d`d_c`ca b c {c|cWbXbYbZb0b1b2b3b4b5b6b7b8b9b!b#b$b%b'b(b)b*b+b,b-b.b/b:b;b=b?b@b[b]b^b_b`b{b|b}b~bacbcccd dcec

58 raise_if_driver_error(err) 201 ctx2gbhbibjbkblbmbnbobpbqbrbsbtbubvbwbxbybzbAbBbCbDbEbFbGbHbIbJbKbLbMbNbObPbQbRbSbkclcmcncocpcqcrcsctcucvcwcxcyczcAcBcCcDcEcFcGcHcIcJcKcLcMcNcOcPcQcRcScTcUcVcWcXcYcZc0c1cp q 2c3c4cTbUbVb5cN O e f n P o j Q g R S 6c7c8ch T U V W X Y Z 0 1 2 3 4 k l 9c!c#cm $c%c'c(c)c*c+c,c-c.c/c:c;c=c?c@c[c]c^c_d`d_c`ca b c {c|cWbXbYbZb0b1b2b3b4b5b6b7b8b9b!b#b$b%b'b(b)b*b+b,b-b.b/b:b;b=b?b@b[b]b^b_b`b{b|b}b~bacbcccd dcec

59 else: 

60 ptr = 0 1 ctx2qd

61 return Buffer._init(ptr, size, self) 202 ctx2gbhbibjbkblbmbnbobpbqbrbsbtbubvbwbxbybzbAbBbCbDbEbFbGbHbIbJbKbLbMbNbObPbQbRbSbkclcmcncocpcqcrcsctcucvcwcxcyczcAcBcCcDcEcFcGcHcIcJcKcLcMcNcOcPcQcRcScTcUcVcWcXcYcZc0c1cp q 2c3c4cTbUbVb5cN O e f n P o j Q g R S 6c7c8ch T U V W X Y Z 0 1 2 3 4 k l 9c!c#cm $c%c'c(c)c*c+c,c-c.c/c:c;c=c?c@c[c]c^c_d`d_c`ca b c {c|cWbXbYbZb0b1b2b3b4b5b6b7b8b9b!b#b$b%b'b(b)b*b+b,b-b.b/b:b;b=b?b@b[b]b^b_b`b{b|b}b~bacbcccqdd dcec

62 

63 def deallocate(self, ptr: DevicePointerType, size: int, *, stream: Stream | GraphBuilder | None = None) -> None: (empty)

64 """Deallocate a buffer previously allocated by this resource. 

65 

66 Parameters 

67 ---------- 

68 ptr : :obj:`~_memory.DevicePointerType` 

69 The pointer or handle to the buffer to deallocate. 

70 size : int 

71 The size of the buffer to deallocate, in bytes. 

72 stream : Stream, optional 

73 Keyword-only. If provided, ``stream.sync()`` is called before the 

74 host allocation is freed. ``None`` skips the sync. 

75 """ 

76 from cuda.core._stream import Stream_accept 203 ctx2gbhbibjbkblbmbnbobpbqbrbsbtbubvbwbxbybzbAbBbCbDbEbFbGbHbIbJbKbLbMbNbObPbQbRbSbkclcmcncocpcqcrcsctcucvcwcxcyczcAcBcCcDcEcFcGcHcIcJcKcLcMcNcOcPcQcRcScTcUcVcWcXcYcZc0c1cp q 2c3c4cTbUbVb5c}c~ce f n ado j bdg cddd6c7c8ch edfdgdhdidjdkdldmdndodpdk l 9c!c#cm $c%c'c(c)c*c+c,c-c.c/c:c;c=c?c@c[c]c^c{d|d}d_c`ca b c {c|cWbXbYbZb0b1b2b3b4b5b6b7b8b9b!b#b$b%b'b(b)b*b+b,b-b.b/b:b;b=b?b@b[b]b^b_b`b{b|b}b~bacbcccqdd dcec

77 

78 if stream is not None: 203 ctx2gbhbibjbkblbmbnbobpbqbrbsbtbubvbwbxbybzbAbBbCbDbEbFbGbHbIbJbKbLbMbNbObPbQbRbSbkclcmcncocpcqcrcsctcucvcwcxcyczcAcBcCcDcEcFcGcHcIcJcKcLcMcNcOcPcQcRcScTcUcVcWcXcYcZc0c1cp q 2c3c4cTbUbVb5c}c~ce f n ado j bdg cddd6c7c8ch edfdgdhdidjdkdldmdndodpdk l 9c!c#cm $c%c'c(c)c*c+c,c-c.c/c:c;c=c?c@c[c]c^c{d|d}d_c`ca b c {c|cWbXbYbZb0b1b2b3b4b5b6b7b8b9b!b#b$b%b'b(b)b*b+b,b-b.b/b:b;b=b?b@b[b]b^b_b`b{b|b}b~bacbcccqdd dcec

79 Stream_accept(stream).sync() 203 ctx2gbhbibjbkblbmbnbobpbqbrbsbtbubvbwbxbybzbAbBbCbDbEbFbGbHbIbJbKbLbMbNbObPbQbRbSbkclcmcncocpcqcrcsctcucvcwcxcyczcAcBcCcDcEcFcGcHcIcJcKcLcMcNcOcPcQcRcScTcUcVcWcXcYcZc0c1cp q 2c3c4cTbUbVb5c}c~ce f n ado j bdg cddd6c7c8ch edfdgdhdidjdkdldmdndodpdk l 9c!c#cm $c%c'c(c)c*c+c,c-c.c/c:c;c=c?c@c[c]c^c{d|d}d_c`ca b c {c|cWbXbYbZb0b1b2b3b4b5b6b7b8b9b!b#b$b%b'b(b)b*b+b,b-b.b/b:b;b=b?b@b[b]b^b_b`b{b|b}b~bacbcccqdd dcec

80 

81 if size: 203 ctx2gbhbibjbkblbmbnbobpbqbrbsbtbubvbwbxbybzbAbBbCbDbEbFbGbHbIbJbKbLbMbNbObPbQbRbSbkclcmcncocpcqcrcsctcucvcwcxcyczcAcBcCcDcEcFcGcHcIcJcKcLcMcNcOcPcQcRcScTcUcVcWcXcYcZc0c1cp q 2c3c4cTbUbVb5c}c~ce f n ado j bdg cddd6c7c8ch edfdgdhdidjdkdldmdndodpdk l 9c!c#cm $c%c'c(c)c*c+c,c-c.c/c:c;c=c?c@c[c]c^c{d|d}d_c`ca b c {c|cWbXbYbZb0b1b2b3b4b5b6b7b8b9b!b#b$b%b'b(b)b*b+b,b-b.b/b:b;b=b?b@b[b]b^b_b`b{b|b}b~bacbcccqdd dcec

82 (err,) = driver.cuMemFreeHost(ptr) 202 ctx2gbhbibjbkblbmbnbobpbqbrbsbtbubvbwbxbybzbAbBbCbDbEbFbGbHbIbJbKbLbMbNbObPbQbRbSbkclcmcncocpcqcrcsctcucvcwcxcyczcAcBcCcDcEcFcGcHcIcJcKcLcMcNcOcPcQcRcScTcUcVcWcXcYcZc0c1cp q 2c3c4cTbUbVb5c}c~ce f n ado j bdg cddd6c7c8ch edfdgdhdidjdkdldmdndodpdk l 9c!c#cm $c%c'c(c)c*c+c,c-c.c/c:c;c=c?c@c[c]c^c{d|d}d_c`ca b c {c|cWbXbYbZb0b1b2b3b4b5b6b7b8b9b!b#b$b%b'b(b)b*b+b,b-b.b/b:b;b=b?b@b[b]b^b_b`b{b|b}b~bacbcccd dcec

83 raise_if_driver_error(err) 202 ctx2gbhbibjbkblbmbnbobpbqbrbsbtbubvbwbxbybzbAbBbCbDbEbFbGbHbIbJbKbLbMbNbObPbQbRbSbkclcmcncocpcqcrcsctcucvcwcxcyczcAcBcCcDcEcFcGcHcIcJcKcLcMcNcOcPcQcRcScTcUcVcWcXcYcZc0c1cp q 2c3c4cTbUbVb5c}c~ce f n ado j bdg cddd6c7c8ch edfdgdhdidjdkdldmdndodpdk l 9c!c#cm $c%c'c(c)c*c+c,c-c.c/c:c;c=c?c@c[c]c^c{d|d}d_c`ca b c {c|cWbXbYbZb0b1b2b3b4b5b6b7b8b9b!b#b$b%b'b(b)b*b+b,b-b.b/b:b;b=b?b@b[b]b^b_b`b{b|b}b~bacbcccd dcec

84 

85 @property (empty)

86 def is_device_accessible(self) -> bool: (empty)

87 """bool: this memory resource provides device-accessible buffers.""" 

88 return True 92 ctx2gbhbibjbkblbmbnbobpbqbrbsbtbubvbwbxbybzbAbBbCbDbEbFbGbHbIbJbKbLbMbNbObPbQbRbSbTbUbVba b c WbXbYbZb0b1b2b3b4b5b6b7b8b9b!b#b$b%b'b(b)b*b+b,b-b.b/b:b;b=b?b@b[b]b^b_b`b{b|b}b~bacbcccd dcec

89 

90 @property (empty)

91 def is_host_accessible(self) -> bool: (empty)

92 """bool: this memory resource provides host-accessible buffers.""" 

93 return True 92 ctx2gbhbibjbkblbmbnbobpbqbrbsbtbubvbwbxbybzbAbBbCbDbEbFbGbHbIbJbKbLbMbNbObPbQbRbSbTbUbVba b c WbXbYbZb0b1b2b3b4b5b6b7b8b9b!b#b$b%b'b(b)b*b+b,b-b.b/b:b;b=b?b@b[b]b^b_b`b{b|b}b~bacbcccd dcec

94 

95 @property (empty)

96 def device_id(self) -> int: (empty)

97 """This memory resource is not bound to any GPU.""" 

98 raise RuntimeError("a pinned memory resource is not bound to any GPU") 1 ctx2%e

99 

100 

101class _SynchronousMemoryResource(MemoryResource): (empty)

102 __slots__ = ("_device_id",) (empty)

103 

104 def __init__(self, device_id: int) -> None: (empty)

105 from .._device import Device 143 ctx2p q rdN O e f P sdj tdudQ vdg R S h T U V W X Y Z 0 1 2 3 4 k l m gcM a b c 5 6 r fcd wdxdydzdAdBdCdDdEdFdGdHdIdJdKdLdMdNdOdPdQdRdSdTdUdVdWdXdYdZd0d1d2d3d4d5d6d7d8d9d!d#d$d%d'd(d)d*d+d,d-d.d/d:d;d=d?d@d[d]d^d7 8 9 ! # $ % ' ( ) * + , - . / s t u v w x y z A B C D E F G H I : ; = J K L

106 

107 self._device_id = Device(device_id).device_id 143 ctx2p q rdN O e f P sdj tdudQ vdg R S h T U V W X Y Z 0 1 2 3 4 k l m gcM a b c 5 6 r fcd wdxdydzdAdBdCdDdEdFdGdHdIdJdKdLdMdNdOdPdQdRdSdTdUdVdWdXdYdZd0d1d2d3d4d5d6d7d8d9d!d#d$d%d'd(d)d*d+d,d-d.d/d:d;d=d?d@d[d]d^d7 8 9 ! # $ % ' ( ) * + , - . / s t u v w x y z A B C D E F G H I : ; = J K L

108 

109 def allocate(self, size: int, *, stream: Stream | GraphBuilder | None = None) -> Buffer: (empty)

110 # cuMemAlloc is synchronous; stream is accepted (and validated) 

111 # for interface conformance but not used. 

112 from cuda.core._stream import Stream_accept 165 ctx2p q rdN O e f n P o sdj tdudQ vdg R S h T U V W X Y Z 0 1 2 3 4 k l m gcM a b c 5 6 r fcd wdxdydzdAdBdCdDdEdFdGdHdIdJdKdLdMdNdOdPdQdRdSdTdUdVdWdXdYdZd0d1d2d3d4d5d6d7d8d9d!d#d$d%d'd(d)d*d+d,d-d.d/d:d;d=d?d@d[d]d^d7 8 9 ! # $ % ' ( ) * + , - . / hcs t ? u @ [ v w x ] ^ y _ z A ` B { | C D } E F ~ abbbG cbdbH I : ; = ebJ icK L fbjc

113 

114 if stream is not None: 165 ctx2p q rdN O e f n P o sdj tdudQ vdg R S h T U V W X Y Z 0 1 2 3 4 k l m gcM a b c 5 6 r fcd wdxdydzdAdBdCdDdEdFdGdHdIdJdKdLdMdNdOdPdQdRdSdTdUdVdWdXdYdZd0d1d2d3d4d5d6d7d8d9d!d#d$d%d'd(d)d*d+d,d-d.d/d:d;d=d?d@d[d]d^d7 8 9 ! # $ % ' ( ) * + , - . / hcs t ? u @ [ v w x ] ^ y _ z A ` B { | C D } E F ~ abbbG cbdbH I : ; = ebJ icK L fbjc

115 Stream_accept(stream) 164 ctx2p q rdN O e f n P o sdj tdudQ vdg R S h T U V W X Y Z 0 1 2 3 4 k l m gcM a b c 5 6 r d wdxdydzdAdBdCdDdEdFdGdHdIdJdKdLdMdNdOdPdQdRdSdTdUdVdWdXdYdZd0d1d2d3d4d5d6d7d8d9d!d#d$d%d'd(d)d*d+d,d-d.d/d:d;d=d?d@d[d]d^d7 8 9 ! # $ % ' ( ) * + , - . / hcs t ? u @ [ v w x ] ^ y _ z A ` B { | C D } E F ~ abbbG cbdbH I : ; = ebJ icK L fbjc

116 if size: 165 ctx2p q rdN O e f n P o sdj tdudQ vdg R S h T U V W X Y Z 0 1 2 3 4 k l m gcM a b c 5 6 r fcd wdxdydzdAdBdCdDdEdFdGdHdIdJdKdLdMdNdOdPdQdRdSdTdUdVdWdXdYdZd0d1d2d3d4d5d6d7d8d9d!d#d$d%d'd(d)d*d+d,d-d.d/d:d;d=d?d@d[d]d^d7 8 9 ! # $ % ' ( ) * + , - . / hcs t ? u @ [ v w x ] ^ y _ z A ` B { | C D } E F ~ abbbG cbdbH I : ; = ebJ icK L fbjc

117 err, ptr = driver.cuMemAlloc(size) 164 ctx2p q rdN O e f n P o sdj tdudQ vdg R S h T U V W X Y Z 0 1 2 3 4 k l m M a b c 5 6 r fcd wdxdydzdAdBdCdDdEdFdGdHdIdJdKdLdMdNdOdPdQdRdSdTdUdVdWdXdYdZd0d1d2d3d4d5d6d7d8d9d!d#d$d%d'd(d)d*d+d,d-d.d/d:d;d=d?d@d[d]d^d7 8 9 ! # $ % ' ( ) * + , - . / hcs t ? u @ [ v w x ] ^ y _ z A ` B { | C D } E F ~ abbbG cbdbH I : ; = ebJ icK L fbjc

118 raise_if_driver_error(err) 164 ctx2p q rdN O e f n P o sdj tdudQ vdg R S h T U V W X Y Z 0 1 2 3 4 k l m M a b c 5 6 r fcd wdxdydzdAdBdCdDdEdFdGdHdIdJdKdLdMdNdOdPdQdRdSdTdUdVdWdXdYdZd0d1d2d3d4d5d6d7d8d9d!d#d$d%d'd(d)d*d+d,d-d.d/d:d;d=d?d@d[d]d^d7 8 9 ! # $ % ' ( ) * + , - . / hcs t ? u @ [ v w x ] ^ y _ z A ` B { | C D } E F ~ abbbG cbdbH I : ; = ebJ icK L fbjc

119 else: 

120 ptr = 0 2 ctx2gcr

121 return Buffer._init(ptr, size, self) 165 ctx2p q rdN O e f n P o sdj tdudQ vdg R S h T U V W X Y Z 0 1 2 3 4 k l m gcM a b c 5 6 r fcd wdxdydzdAdBdCdDdEdFdGdHdIdJdKdLdMdNdOdPdQdRdSdTdUdVdWdXdYdZd0d1d2d3d4d5d6d7d8d9d!d#d$d%d'd(d)d*d+d,d-d.d/d:d;d=d?d@d[d]d^d7 8 9 ! # $ % ' ( ) * + , - . / hcs t ? u @ [ v w x ] ^ y _ z A ` B { | C D } E F ~ abbbG cbdbH I : ; = ebJ icK L fbjc

122 

123 def deallocate(self, ptr: DevicePointerType, size: int, *, stream: Stream | GraphBuilder | None = None) -> None: (empty)

124 from cuda.core._stream import Stream_accept 163 ctx2~d}c~ce f n ado aej becebddeg cdddh edfdgdhdidjdkdldmdndodpdk l m gcM a b c 5 6 r fcd eefegeheiejekelemeneoepeqereseteuevewexeyezeAeBeCeDeEeFeGeHeIeJeKeLeMeNeOePeQeReSeTeUeVeWeXeYeZe0e1e2e3e4e5e6e7e8e9e!e#e$e7 8 9 ! # $ % ' ( ) * + , - . / hcs t ? u @ [ v w x ] ^ y _ z A ` B { | C D } E F ~ abbbG cbdbH I : ; = ebJ icK L fbjc

125 

126 if stream is not None: 163 ctx2~d}c~ce f n ado aej becebddeg cdddh edfdgdhdidjdkdldmdndodpdk l m gcM a b c 5 6 r fcd eefegeheiejekelemeneoepeqereseteuevewexeyezeAeBeCeDeEeFeGeHeIeJeKeLeMeNeOePeQeReSeTeUeVeWeXeYeZe0e1e2e3e4e5e6e7e8e9e!e#e$e7 8 9 ! # $ % ' ( ) * + , - . / hcs t ? u @ [ v w x ] ^ y _ z A ` B { | C D } E F ~ abbbG cbdbH I : ; = ebJ icK L fbjc

127 Stream_accept(stream).sync() 163 ctx2~d}c~ce f n ado aej becebddeg cdddh edfdgdhdidjdkdldmdndodpdk l m gcM a b c 5 6 r fcd eefegeheiejekelemeneoepeqereseteuevewexeyezeAeBeCeDeEeFeGeHeIeJeKeLeMeNeOePeQeReSeTeUeVeWeXeYeZe0e1e2e3e4e5e6e7e8e9e!e#e$e7 8 9 ! # $ % ' ( ) * + , - . / hcs t ? u @ [ v w x ] ^ y _ z A ` B { | C D } E F ~ abbbG cbdbH I : ; = ebJ icK L fbjc

128 if size: 163 ctx2~d}c~ce f n ado aej becebddeg cdddh edfdgdhdidjdkdldmdndodpdk l m gcM a b c 5 6 r fcd eefegeheiejekelemeneoepeqereseteuevewexeyezeAeBeCeDeEeFeGeHeIeJeKeLeMeNeOePeQeReSeTeUeVeWeXeYeZe0e1e2e3e4e5e6e7e8e9e!e#e$e7 8 9 ! # $ % ' ( ) * + , - . / hcs t ? u @ [ v w x ] ^ y _ z A ` B { | C D } E F ~ abbbG cbdbH I : ; = ebJ icK L fbjc

129 (err,) = driver.cuMemFree(ptr) 162 ctx2~d}c~ce f n ado aej becebddeg cdddh edfdgdhdidjdkdldmdndodpdk l m M a b c 5 6 r fcd eefegeheiejekelemeneoepeqereseteuevewexeyezeAeBeCeDeEeFeGeHeIeJeKeLeMeNeOePeQeReSeTeUeVeWeXeYeZe0e1e2e3e4e5e6e7e8e9e!e#e$e7 8 9 ! # $ % ' ( ) * + , - . / hcs t ? u @ [ v w x ] ^ y _ z A ` B { | C D } E F ~ abbbG cbdbH I : ; = ebJ icK L fbjc

130 raise_if_driver_error(err) 162 ctx2~d}c~ce f n ado aej becebddeg cdddh edfdgdhdidjdkdldmdndodpdk l m M a b c 5 6 r fcd eefegeheiejekelemeneoepeqereseteuevewexeyezeAeBeCeDeEeFeGeHeIeJeKeLeMeNeOePeQeReSeTeUeVeWeXeYeZe0e1e2e3e4e5e6e7e8e9e!e#e$e7 8 9 ! # $ % ' ( ) * + , - . / hcs t ? u @ [ v w x ] ^ y _ z A ` B { | C D } E F ~ abbbG cbdbH I : ; = ebJ icK L fbjc

131 

132 @property (empty)

133 def is_device_accessible(self) -> bool: (empty)

134 return True 38 ctx2r s t ? u @ [ v w x ] ^ y _ z A ` B { | C D } E F ~ abbbG cbdbH I ebJ K L fb

135 

136 @property (empty)

137 def is_host_accessible(self) -> bool: (empty)

138 return False 1 ctx1r

139 

140 @property (empty)

141 def device_id(self) -> int: (empty)

142 return self._device_id 52 ctx2'e(ee f )eg *eh +e,e-e.egcM r s t ? u @ [ v w x ] ^ y _ z A ` B { | C D } E F ~ abbbG cbdbH I ebJ K L fb