Coverage for cuda/core/_context.pyx: 84.91%

53 statements  

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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 

6  

7from collections.abc import Sequence 

8from dataclasses import dataclass 

9from typing import TYPE_CHECKING 

10  

11from cuda.bindings cimport cydriver 

12from cuda.core._device_resources cimport DeviceResources, SMResource, WorkqueueResource 

13from cuda.core._device_resources import SMResource, WorkqueueResource 

14from cuda.core._resource_handles cimport ( 

15 ContextHandle, 

16 GreenCtxHandle, 

17 as_cu, 

18 create_context_handle_from_green_ctx, 

19 get_context_green_ctx, 

20 get_last_error, 

21 as_intptr, 

22 as_py, 

23) 

24from cuda.core._stream import Stream 

25from cuda.core._utils.cuda_utils cimport HANDLE_RETURN 

26  

27if TYPE_CHECKING: 

28 import cuda.bindings.driver # no-cython-lint 

29  

30  

31__all__ = ['Context', 'ContextOptions'] 

32  

33  

34DeviceResourcesType = Sequence[SMResource | WorkqueueResource] 

35  

36  

37cdef class Context: 

38 """CUDA context wrapper. 

39  

40 Context objects represent CUDA contexts and cannot be instantiated directly. 

41 Use Device or Stream APIs to obtain context objects. 

42 """ 

43  

44 def __init__(self, *args, **kwargs) -> None: 

45 raise RuntimeError("Context objects cannot be instantiated directly. Please use Device or Stream APIs.") 2xz

46  

47 @staticmethod 

48 cdef Context _from_handle(type cls, ContextHandle h_context, int device_id): 

49 """Create Context from existing ContextHandle (cdef-only factory).""" 

50 cdef Context ctx = cls.__new__(cls) 2FbGbHbIbJbKbLbMbNbObPbQbRbSbTbUbVbk Wbl Xbm Ybn Zbo 0bp 1bq 2br 3bs 4bt 5bu 6bv 7bw 8bx 9by !bz #bA $bB %bC 'bD (bE )bF *bG +bH ,bI -bJ .b/b:b;b=b?b@b[b]b^b_b`b{b|b}b~bacbcccdcecfcgchcicjckclcmcncocpcqcrcsctcucvcwcxcyczcAcBcCcDcEcFcGcHcIcJcKcLcMcNcOcPcQcRcScTcUcVcWcXcYcZc0c1c2c3c4c5c6c7c8c9c!c#c$c%c'c(c)c*c+c,c-c.c/c:c;c=c?c@c[c]c^c_c`c{c|c}c~cadbdcdddedfdgdhdidjdkdldmdndodpdqdrdsdtdudvdwdxdydzdAdBdCdDdEdFdGdHdIdJdKdLdMdNdOdPdQdRdSdTdUdVdWdXdYdZd0d1d2d3d4d5d6d7d8d9d!d#d$d%d'd(d)d*d+d,d-d.d/d:d;d=d?d@d[d]d^d_d`d{d|d}d~daebecedeeefegeheiejekelemeneoepeqereseteuevewexeyezeAeBeCeDeEeFeGeHeIeJeKeLeMeNeOePeQeReSeTeUeVeWeXeYeZe0e1e2e3e4e5e6e7e8e9e!e#e$e%e'e(e)e*e+e,e-e.e/e:e;e=e?e@e[e]e^e_e`e{e|e}e~eafbfcfdfefffgfhfifjfK kflfmfnfofpfqfrfL sftfufvfwfxfyfzfAfBfCfDfEfFfGfHfIfJfKfLfMfNfOfPfQfRfSfTfUfVfWfXfYfZf0f1f2f3f4f5f6f7f8f9f!f#f$f%f'f(f)f*f+f,f-f.f/f:f;f=f?f@f[f]f^f_f`f{f|f}f~fagbgcgdgegfggghgigjgkglgmgngogpgqgrgsgtgugvgwgxgygzgAgBgCgDgEgFgGgHgIgJgKgLgMgNgOg; PgM QgN Rg= Sgh TgZ UgVgWgXgYgZg0g1g2g3g4g5g6g7g8g9g!g#g$g%g'g(g)g*g+g,g-g.g/g:g;g=g?g@g[g]g^g_g`g{g|g}g~gahbhchdhehfhghhhihjhd khO P Q a lhb mhR S e T nhU V f W ohphqhrhshthuhvhwhxhyhzhAhBhChDhEhFhGhHhIhJhKhLhMhNhOhPhQhRhShThUhVhWhXhYhZh0h1h2h3h4h5h6h7h8h9h!h#h$h%h'h(h)h*h+h,h-h.h/h:h;h=h?h@h[h]h^h_h`h{h|h}h~haibicidieifigihiiijikiliminioipiqirisitiuiviwixiyiziAiBiCiDiEiFiGiHiIiJiKiLiMiNiOiPiQiRiSiTiUiViWiXiYiZi0i1i2i3i4i5i6i7i8i9i!i#i$i%i'i(i)i*i+i,i-i.i/i:i;i=i?i@i[i]i^i_i`i{i|i}i~iajbjcjdjejfjgjhjijjjkjljmjnjojpjqjrjsjtjujvjwjxjyjzjAjBjCjDjEjFjGjHjIjJjKjLjMjNjOjPjQjRjSjTjUjVjWjXjYjZj0j1j2j3j4j5j6j7j8j9j!j#j$j%j'j(j)j*j+j,j-j.j/j:j;j=j?j@j[j]j^j_j`j{j|j}j~jakbkckdkekfkgkhkikjkkklkmknkokpkqkrksktkukvkwkxkykzkAkBkCkDkEkFkGkHkIkJkKkLkMkNkOkPkQkRkSkTkUkVkWkXkYkZk0k1k2k3k4k5k6k7k8k9k!k#k$k%k'k(k)k*k+k,k-k.k/k:k;k=k?k@k[k]k^k_k`k{k|k}k~kalblcldlelflglhliljlklllmlnlolplqlrlsltlulvlwlxlylzlAlBlClDlElFlGlHlIlJlKlLlMlNlOlPlQlRlSlTlUlVlWlXlYlZl0l1l2l3l4l5l6l7l8l9l!l#l$l%l'l(l)l*l+l,l-l.l/l:l;l=l?l@l[l]l^l_l`l{l|l}l~lambmcmdmemfmgmhmimjmkmlmmmnmompmqmrmsmtmumvmwmxmymzmAmBmCmDmEmFmGmHmImJmKmLmMmNmOmPmQmRmSmTmUmVmWmXmYmg Zm0m1m2m3m4m5m6m7m8m9m!m#m$m%m'm(m)m*m+m,m-m.m/m:m;m? =m?m@m[m]m^m_m`m{m|m}m~manbncndnenfngnhninjnknlnmnnnonpnqnrnsntnunvnwnxnynznAnBnCnDnEnFnGnHnInJnKnLnMnNnOnPnQnRnSnTnUnVnWnXnYnZn0n1n2n3n4n5n6n7n8n@ [ ] ^ _ ` { | } ~ abbbcbdbebfbgbhbibjbkb9n!n#n$nlb%n'n(n)n*n+n,n-n.n/n:n;n=n?n@n[n]n^n_n`n{n|n}n~naobocodoeofogohoiojokolombmonooopoqorosotouovowoxoyozoAoBoCoDoEoFoGoHoIoJoKoLoMoNoOoPoQoRoSoToUoVoWoXoYoZo0o1o2o3o4o5o6o7o8o9o!o#o$o%o'o(o)o*o+o,o-o.o/o:o;o=o?o@o[o]o^o_o`o{o|o}o~oapbpcpdpepfpgphpipjpkplpmpnpopppqprpsptpupvpwpxpypzpApBpCpDpEpFpGpHpIpJpKpLpMpNpOpPpQpRpSpTpUpVpWpXpYpZp0p1p2p3p4p5p6p7p8p9p!p#p$p%p'p(p)p*p+p,p-p.p/p:p;p=p?p@p[p]p^p_p`p{pnb|p}p~paqbqcqdqeqfqgqhqiqjqkqlqmqnqoqpqqqrqsqtquqvqwqxqyqzqAqBqCqDqEqFqGqHqIqJqKqLqMqNqOqPqQqRqSqTqUqVqWqXqYqZq0q1q2q3q4q5q6q7q8q9q!q#q$q%q'q(q)q*q+q,q-q.q/q:q;q=q?q@q[q]q^q_q`q{q|q}q~qarbrcrdrer0 1 2 3 4 5 6 7 8 9 ! # $ % ' ( ) * + , - frgrhrir. jrkrlrmrnrorprqrrrsrtrurvrwrxryrzrArBrCrDrErFrGrHrIrJrKrLrMrNrOrPrQrRrSr/ TrUrVrWrXrYrZr0r1r2r3r4r5r6r7r8r9r!r#r$r%r'r(r)r*r+r,r-r.r/r:r;r=r?r@r[r]r^r_r`r{r|r}r~rasbscsdsesfsgshsisjskslsmsnsospsqsrssstsusvswsxsyszsAsBsCsDsEsFsGsHsIsJsKsLsMsNsOsPsQsRsSsTsUsVsWsXsYsZs0s1s2s3s4s5s6s7s8s9s!s#s$s%s's(s)s*s+s,s-s.s/s:s;s=s?s@s[s]s^s_s`s{s|s}s~satbtctdtetftgthtitjtktltmtntotptqtrtstttutvtwtxtytztAtBtCtDt: EtFtGtHtItJtKtLtMtNtOtPtQtRtStTtUtVtWtXtYtZt0t1t2t3t4t5t6t7t8tob9t!t#t$t%t't(t)t*t+t,t-t.t/t:t;t=t?t@t[t]t^t_t`t{t|t}t~taubucudueufuguhuiujukulumunuoupuqurusutuuuvuwuxupbyuzuAuBuCuDuEuFuGuHuIuJuKuLuMuNuOuPuQuRuSuTuUuqbVuWuXuYuZu0u1u2u3u4u5u6u7u8u9u!u#u$u%u'u(u)u*ui +u,u-u.u/u:u;u=u?u@u[u]u^u_u`u{u|u}u~uavbvcvdvj evfvgvhvivjvkvlvmvnvovpvqvrvsvtvuvvvwvxvyvzvAvBvCvDvEvFvGvHvIvJvKvLvMvNvOvPvQvRvSvTvUvVvWvXvYvZv0v1v2v3v4v5v6v7v8v9v!v#v$v%v'v(v)v*v+v,v-v.v/v:v;v=v?v@v[v]v^v_v`v{v|v}v~vawbwcwdwewfwgwhwiwjwkwlwmwnwowpwqwrwswtwuwvwwwxwywzwAwBwCwDwEwFwGwHwIwJwKwLwMwNwOwPwQwRwSwTwUwVwWwXwYwZw0w1w2w3w4w5w6wX 7w8w9w!w#w$w%w'w(w)w*w+w,w-w.w/w:w;w=w?w@w[w]w^w_w`w{w|w}w~waxbxcxdxexfxgxhxixjxkxlxmxnxoxpxqxrxsxtxuxvxwxxxyxzxAxBxCxDxExFxGxHxIxJxKxLxMxNxOxPxQxRxSxTxUxVxWxXxYxZx0x1x2x3x4x5x6x7x8x9x!x#x$x%x'x(x)x*x+x,x-x.x/x:x;x=x?x@x[x]x^x_x`x{x|x}x~xaybycydyeyfygyhyiyjykylymynyoypyqyrysytyuyvywyxyyyzyAyByCyDyEyFyGyHyIyJyKyLyMyNyOyPyQyRySyTyUyVyWyXyYyZy0y1y2y3y4y5y6y7y8y9y!y#y$y%y'y(y)y*y+y,y-y.y/y:y;y=y?y@y[y]y^y_y`y{y|y}y~yazbzczdzezfzgzhzizjzkzlzmznzozpzqzrzsztzuz

51 ctx._h_context = h_context 2FbGbHbIbJbKbLbMbNbObPbQbRbSbTbUbVbk Wbl Xbm Ybn Zbo 0bp 1bq 2br 3bs 4bt 5bu 6bv 7bw 8bx 9by !bz #bA $bB %bC 'bD (bE )bF *bG +bH ,bI -bJ .b/b:b;b=b?b@b[b]b^b_b`b{b|b}b~bacbcccdcecfcgchcicjckclcmcncocpcqcrcsctcucvcwcxcyczcAcBcCcDcEcFcGcHcIcJcKcLcMcNcOcPcQcRcScTcUcVcWcXcYcZc0c1c2c3c4c5c6c7c8c9c!c#c$c%c'c(c)c*c+c,c-c.c/c:c;c=c?c@c[c]c^c_c`c{c|c}c~cadbdcdddedfdgdhdidjdkdldmdndodpdqdrdsdtdudvdwdxdydzdAdBdCdDdEdFdGdHdIdJdKdLdMdNdOdPdQdRdSdTdUdVdWdXdYdZd0d1d2d3d4d5d6d7d8d9d!d#d$d%d'd(d)d*d+d,d-d.d/d:d;d=d?d@d[d]d^d_d`d{d|d}d~daebecedeeefegeheiejekelemeneoepeqereseteuevewexeyezeAeBeCeDeEeFeGeHeIeJeKeLeMeNeOePeQeReSeTeUeVeWeXeYeZe0e1e2e3e4e5e6e7e8e9e!e#e$e%e'e(e)e*e+e,e-e.e/e:e;e=e?e@e[e]e^e_e`e{e|e}e~eafbfcfdfefffgfhfifjfK kflfmfnfofpfqfrfL sftfufvfwfxfyfzfAfBfCfDfEfFfGfHfIfJfKfLfMfNfOfPfQfRfSfTfUfVfWfXfYfZf0f1f2f3f4f5f6f7f8f9f!f#f$f%f'f(f)f*f+f,f-f.f/f:f;f=f?f@f[f]f^f_f`f{f|f}f~fagbgcgdgegfggghgigjgkglgmgngogpgqgrgsgtgugvgwgxgygzgAgBgCgDgEgFgGgHgIgJgKgLgMgNgOg; PgM QgN Rg= Sgh TgZ UgVgWgXgYgZg0g1g2g3g4g5g6g7g8g9g!g#g$g%g'g(g)g*g+g,g-g.g/g:g;g=g?g@g[g]g^g_g`g{g|g}g~gahbhchdhehfhghhhihjhd khO P Q a lhb mhR S e T nhU V f W ohphqhrhshthuhvhwhxhyhzhAhBhChDhEhFhGhHhIhJhKhLhMhNhOhPhQhRhShThUhVhWhXhYhZh0h1h2h3h4h5h6h7h8h9h!h#h$h%h'h(h)h*h+h,h-h.h/h:h;h=h?h@h[h]h^h_h`h{h|h}h~haibicidieifigihiiijikiliminioipiqirisitiuiviwixiyiziAiBiCiDiEiFiGiHiIiJiKiLiMiNiOiPiQiRiSiTiUiViWiXiYiZi0i1i2i3i4i5i6i7i8i9i!i#i$i%i'i(i)i*i+i,i-i.i/i:i;i=i?i@i[i]i^i_i`i{i|i}i~iajbjcjdjejfjgjhjijjjkjljmjnjojpjqjrjsjtjujvjwjxjyjzjAjBjCjDjEjFjGjHjIjJjKjLjMjNjOjPjQjRjSjTjUjVjWjXjYjZj0j1j2j3j4j5j6j7j8j9j!j#j$j%j'j(j)j*j+j,j-j.j/j:j;j=j?j@j[j]j^j_j`j{j|j}j~jakbkckdkekfkgkhkikjkkklkmknkokpkqkrksktkukvkwkxkykzkAkBkCkDkEkFkGkHkIkJkKkLkMkNkOkPkQkRkSkTkUkVkWkXkYkZk0k1k2k3k4k5k6k7k8k9k!k#k$k%k'k(k)k*k+k,k-k.k/k:k;k=k?k@k[k]k^k_k`k{k|k}k~kalblcldlelflglhliljlklllmlnlolplqlrlsltlulvlwlxlylzlAlBlClDlElFlGlHlIlJlKlLlMlNlOlPlQlRlSlTlUlVlWlXlYlZl0l1l2l3l4l5l6l7l8l9l!l#l$l%l'l(l)l*l+l,l-l.l/l:l;l=l?l@l[l]l^l_l`l{l|l}l~lambmcmdmemfmgmhmimjmkmlmmmnmompmqmrmsmtmumvmwmxmymzmAmBmCmDmEmFmGmHmImJmKmLmMmNmOmPmQmRmSmTmUmVmWmXmYmg Zm0m1m2m3m4m5m6m7m8m9m!m#m$m%m'm(m)m*m+m,m-m.m/m:m;m? =m?m@m[m]m^m_m`m{m|m}m~manbncndnenfngnhninjnknlnmnnnonpnqnrnsntnunvnwnxnynznAnBnCnDnEnFnGnHnInJnKnLnMnNnOnPnQnRnSnTnUnVnWnXnYnZn0n1n2n3n4n5n6n7n8n@ [ ] ^ _ ` { | } ~ abbbcbdbebfbgbhbibjbkb9n!n#n$nlb%n'n(n)n*n+n,n-n.n/n:n;n=n?n@n[n]n^n_n`n{n|n}n~naobocodoeofogohoiojokolombmonooopoqorosotouovowoxoyozoAoBoCoDoEoFoGoHoIoJoKoLoMoNoOoPoQoRoSoToUoVoWoXoYoZo0o1o2o3o4o5o6o7o8o9o!o#o$o%o'o(o)o*o+o,o-o.o/o:o;o=o?o@o[o]o^o_o`o{o|o}o~oapbpcpdpepfpgphpipjpkplpmpnpopppqprpsptpupvpwpxpypzpApBpCpDpEpFpGpHpIpJpKpLpMpNpOpPpQpRpSpTpUpVpWpXpYpZp0p1p2p3p4p5p6p7p8p9p!p#p$p%p'p(p)p*p+p,p-p.p/p:p;p=p?p@p[p]p^p_p`p{pnb|p}p~paqbqcqdqeqfqgqhqiqjqkqlqmqnqoqpqqqrqsqtquqvqwqxqyqzqAqBqCqDqEqFqGqHqIqJqKqLqMqNqOqPqQqRqSqTqUqVqWqXqYqZq0q1q2q3q4q5q6q7q8q9q!q#q$q%q'q(q)q*q+q,q-q.q/q:q;q=q?q@q[q]q^q_q`q{q|q}q~qarbrcrdrer0 1 2 3 4 5 6 7 8 9 ! # $ % ' ( ) * + , - frgrhrir. jrkrlrmrnrorprqrrrsrtrurvrwrxryrzrArBrCrDrErFrGrHrIrJrKrLrMrNrOrPrQrRrSr/ TrUrVrWrXrYrZr0r1r2r3r4r5r6r7r8r9r!r#r$r%r'r(r)r*r+r,r-r.r/r:r;r=r?r@r[r]r^r_r`r{r|r}r~rasbscsdsesfsgshsisjskslsmsnsospsqsrssstsusvswsxsyszsAsBsCsDsEsFsGsHsIsJsKsLsMsNsOsPsQsRsSsTsUsVsWsXsYsZs0s1s2s3s4s5s6s7s8s9s!s#s$s%s's(s)s*s+s,s-s.s/s:s;s=s?s@s[s]s^s_s`s{s|s}s~satbtctdtetftgthtitjtktltmtntotptqtrtstttutvtwtxtytztAtBtCtDt: EtFtGtHtItJtKtLtMtNtOtPtQtRtStTtUtVtWtXtYtZt0t1t2t3t4t5t6t7t8tob9t!t#t$t%t't(t)t*t+t,t-t.t/t:t;t=t?t@t[t]t^t_t`t{t|t}t~taubucudueufuguhuiujukulumunuoupuqurusutuuuvuwuxupbyuzuAuBuCuDuEuFuGuHuIuJuKuLuMuNuOuPuQuRuSuTuUuqbVuWuXuYuZu0u1u2u3u4u5u6u7u8u9u!u#u$u%u'u(u)u*ui +u,u-u.u/u:u;u=u?u@u[u]u^u_u`u{u|u}u~uavbvcvdvj evfvgvhvivjvkvlvmvnvovpvqvrvsvtvuvvvwvxvyvzvAvBvCvDvEvFvGvHvIvJvKvLvMvNvOvPvQvRvSvTvUvVvWvXvYvZv0v1v2v3v4v5v6v7v8v9v!v#v$v%v'v(v)v*v+v,v-v.v/v:v;v=v?v@v[v]v^v_v`v{v|v}v~vawbwcwdwewfwgwhwiwjwkwlwmwnwowpwqwrwswtwuwvwwwxwywzwAwBwCwDwEwFwGwHwIwJwKwLwMwNwOwPwQwRwSwTwUwVwWwXwYwZw0w1w2w3w4w5w6wX 7w8w9w!w#w$w%w'w(w)w*w+w,w-w.w/w:w;w=w?w@w[w]w^w_w`w{w|w}w~waxbxcxdxexfxgxhxixjxkxlxmxnxoxpxqxrxsxtxuxvxwxxxyxzxAxBxCxDxExFxGxHxIxJxKxLxMxNxOxPxQxRxSxTxUxVxWxXxYxZx0x1x2x3x4x5x6x7x8x9x!x#x$x%x'x(x)x*x+x,x-x.x/x:x;x=x?x@x[x]x^x_x`x{x|x}x~xaybycydyeyfygyhyiyjykylymynyoypyqyrysytyuyvywyxyyyzyAyByCyDyEyFyGyHyIyJyKyLyMyNyOyPyQyRySyTyUyVyWyXyYyZy0y1y2y3y4y5y6y7y8y9y!y#y$y%y'y(y)y*y+y,y-y.y/y:y;y=y?y@y[y]y^y_y`y{y|y}y~yazbzczdzezfzgzhzizjzkzlzmznzozpzqzrzsztzuz

52 ctx._device_id = device_id 2c FbGbHbIbJbKbLbMbNbObPbQbRbSbTbUbVbk Wbl Xbm Ybn Zbo 0bp 1bq 2br 3bs 4bt 5bu 6bv 7bw 8bx 9by !bz #bA $bB %bC 'bD (bE )bF *bG +bH ,bI -bJ .b/b:b;b=b?b@b[b]b^b_b`b{b|b}b~bacbcccdcecfcgchcicjckclcmcncocpcqcrcsctcucvcwcxcyczcAcBcCcDcEcFcGcHcIcJcKcLcMcNcOcPcQcRcScTcUcVcWcXcYcZc0c1c2c3c4c5c6c7c8c9c!c#c$c%c'c(c)c*c+c,c-c.c/c:c;c=c?c@c[c]c^c_c`c{c|c}c~cadbdcdddedfdgdhdidjdkdldmdndodpdqdrdsdtdudvdwdxdydzdAdBdCdDdEdFdGdHdIdJdKdLdMdNdOdPdQdRdSdTdUdVdWdXdYdZd0d1d2d3d4d5d6d7d8d9d!d#d$d%d'd(d)d*d+d,d-d.d/d:d;d=d?d@d[d]d^d_d`d{d|d}d~daebecedeeefegeheiejekelemeneoepeqereseteuevewexeyezeAeBeCeDeEeFeGeHeIeJeKeLeMeNeOePeQeReSeTeUeVeWeXeYeZe0e1e2e3e4e5e6e7e8e9e!e#e$e%e'e(e)e*e+e,e-e.e/e:e;e=e?e@e[e]e^e_e`e{e|e}e~eafbfcfdfefffgfhfifjfK kflfmfnfofpfqfrfL sftfufvfwfxfyfzfAfBfCfDfEfFfGfHfIfJfKfLfMfNfOfPfQfRfSfTfUfVfWfXfYfZf0f1f2f3f4f5f6f7f8f9f!f#f$f%f'f(f)f*f+f,f-f.f/f:f;f=f?f@f[f]f^f_f`f{f|f}f~fagbgcgdgegfggghgigjgkglgmgngogpgqgrgsgtgugvgwgxgygzgAgBgCgDgEgFgGgHgIgJgKgLgMgNgOg; PgM QgN Rg= Sgh TgZ UgVgWgXgYgZg0g1g2g3g4g5g6g7g8g9g!g#g$g%g'g(g)g*g+g,g-g.g/g:g;g=g?g@g[g]g^g_g`g{g|g}g~gahbhchdhehfhghhhihjhd khO P Q a lhb mhR S e T nhU V f W ohphqhrhshthuhvhwhxhyhzhAhBhChDhEhFhGhHhIhJhKhLhMhNhOhPhQhRhShThUhVhWhXhYhZh0h1h2h3h4h5h6h7h8h9h!h#h$h%h'h(h)h*h+h,h-h.h/h:h;h=h?h@h[h]h^h_h`h{h|h}h~haibicidieifigihiiijikiliminioipiqirisitiuiviwixiyiziAiBiCiDiEiFiGiHiIiJiKiLiMiNiOiPiQiRiSiTiUiViWiXiYiZi0i1i2i3i4i5i6i7i8i9i!i#i$i%i'i(i)i*i+i,i-i.i/i:i;i=i?i@i[i]i^i_i`i{i|i}i~iajbjcjdjejfjgjhjijjjkjljmjnjojpjqjrjsjtjujvjwjxjyjzjAjBjCjDjEjFjGjHjIjJjKjLjMjNjOjPjQjRjSjTjUjVjWjXjYjZj0j1j2j3j4j5j6j7j8j9j!j#j$j%j'j(j)j*j+j,j-j.j/j:j;j=j?j@j[j]j^j_j`j{j|j}j~jakbkckdkekfkgkhkikjkkklkmknkokpkqkrksktkukvkwkxkykzkAkBkCkDkEkFkGkHkIkJkKkLkMkNkOkPkQkRkSkTkUkVkWkXkYkZk0k1k2k3k4k5k6k7k8k9k!k#k$k%k'k(k)k*k+k,k-k.k/k:k;k=k?k@k[k]k^k_k`k{k|k}k~kalblcldlelflglhliljlklllmlnlolplqlrlsltlulvlwlxlylzlAlBlClDlElFlGlHlIlJlKlLlMlNlOlPlQlRlSlTlUlVlWlXlYlZl0l1l2l3l4l5l6l7l8l9l!l#l$l%l'l(l)l*l+l,l-l.l/l:l;l=l?l@l[l]l^l_l`l{l|l}l~lambmcmdmemfmgmhmimjmkmlmmmnmompmqmrmsmtmumvmwmxmymzmAmBmCmDmEmFmGmHmImJmKmLmMmNmOmPmQmRmSmTmUmVmWmXmYmg Zm0m1m2m3m4m5m6m7m8m9m!m#m$m%m'm(m)m*m+m,m-m.m/m:m;m? =m?m@m[m]m^m_m`m{m|m}m~manbncndnenfngnhninjnknlnmnnnonpnqnrnsntnunvnwnxnynznAnBnCnDnEnFnGnHnInJnKnLnMnNnOnPnQnRnSnTnUnVnWnXnYnZn0n1n2n3n4n5n6n7n8n@ [ ] ^ _ ` { | } ~ abbbcbdbebfbgbhbibjbkb9n!n#n$nlb%n'n(n)n*n+n,n-n.n/n:n;n=n?n@n[n]n^n_n`n{n|n}n~naobocodoeofogohoiojokolombmonooopoqorosotouovowoxoyozoAoBoCoDoEoFoGoHoIoJoKoLoMoNoOoPoQoRoSoToUoVoWoXoYoZo0o1o2o3o4o5o6o7o8o9o!o#o$o%o'o(o)o*o+o,o-o.o/o:o;o=o?o@o[o]o^o_o`o{o|o}o~oapbpcpdpepfpgphpipjpkplpmpnpopppqprpsptpupvpwpxpypzpApBpCpDpEpFpGpHpIpJpKpLpMpNpOpPpQpRpSpTpUpVpWpXpYpZp0p1p2p3p4p5p6p7p8p9p!p#p$p%p'p(p)p*p+p,p-p.p/p:p;p=p?p@p[p]p^p_p`p{pnb|p}p~paqbqcqdqeqfqgqhqiqjqkqlqmqnqoqpqqqrqsqtquqvqwqxqyqzqAqBqCqDqEqFqGqHqIqJqKqLqMqNqOqPqQqRqSqTqUqVqWqXqYqZq0q1q2q3q4q5q6q7q8q9q!q#q$q%q'q(q)q*q+q,q-q.q/q:q;q=q?q@q[q]q^q_q`q{q|q}q~qarbrcrdrer0 1 2 3 4 5 6 7 8 9 ! # $ % ' ( ) * + , - frgrhrir. jrkrlrmrnrorprqrrrsrtrurvrwrxryrzrArBrCrDrErFrGrHrIrJrKrLrMrNrOrPrQrRrSr/ TrUrVrWrXrYrZr0r1r2r3r4r5r6r7r8r9r!r#r$r%r'r(r)r*r+r,r-r.r/r:r;r=r?r@r[r]r^r_r`r{r|r}r~rasbscsdsesfsgshsisjskslsmsnsospsqsrssstsusvswsxsyszsAsBsCsDsEsFsGsHsIsJsKsLsMsNsOsPsQsRsSsTsUsVsWsXsYsZs0s1s2s3s4s5s6s7s8s9s!s#s$s%s's(s)s*s+s,s-s.s/s:s;s=s?s@s[s]s^s_s`s{s|s}s~satbtctdtetftgthtitjtktltmtntotptqtrtstttutvtwtxtytztAtBtCtDt: EtFtGtHtItJtKtLtMtNtOtPtQtRtStTtUtVtWtXtYtZt0t1t2t3t4t5t6t7t8tob9t!t#t$t%t't(t)t*t+t,t-t.t/t:t;t=t?t@t[t]t^t_t`t{t|t}t~taubucudueufuguhuiujukulumunuoupuqurusutuuuvuwuxupbyuzuAuBuCuDuEuFuGuHuIuJuKuLuMuNuOuPuQuRuSuTuUuqbVuWuXuYuZu0u1u2u3u4u5u6u7u8u9u!u#u$u%u'u(u)u*ui +u,u-u.u/u:u;u=u?u@u[u]u^u_u`u{u|u}u~uavbvcvdvj evfvgvhvivjvkvlvmvnvovpvqvrvsvtvuvvvwvxvyvzvAvBvCvDvEvFvGvHvIvJvKvLvMvNvOvPvQvRvSvTvUvVvWvXvYvZv0v1v2v3v4v5v6v7v8v9v!v#v$v%v'v(v)v*v+v,v-v.v/v:v;v=v?v@v[v]v^v_v`v{v|v}v~vawbwcwdwewfwgwhwiwjwkwlwmwnwowpwqwrwswtwuwvwwwxwywzwAwBwCwDwEwFwGwHwIwJwKwLwMwNwOwPwQwRwSwTwUwVwWwXwYwZw0w1w2w3w4w5w6wX 7w8w9w!w#w$w%w'w(w)w*w+w,w-w.w/w:w;w=w?w@w[w]w^w_w`w{w|w}w~waxbxcxdxexfxgxhxixjxkxlxmxnxoxpxqxrxsxtxuxvxwxxxyxzxAxBxCxDxExFxGxHxIxJxKxLxMxNxOxPxQxRxSxTxUxVxWxXxYxZx0x1x2x3x4x5x6x7x8x9x!x#x$x%x'x(x)x*x+x,x-x.x/x:x;x=x?x@x[x]x^x_x`x{x|x}x~xaybycydyeyfygyhyiyjykylymynyoypyqyrysytyuyvywyxyyyzyAyByCyDyEyFyGyHyIyJyKyLyMyNyOyPyQyRySyTyUyVyWyXyYyZy0y1y2y3y4y5y6y7y8y9y!y#y$y%y'y(y)y*y+y,y-y.y/y:y;y=y?y@y[y]y^y_y`y{y|y}y~yazbzczdzezfzgzhzizjzkzlzmznzozpzqzrzsztzuz

53 return ctx 2FbGbHbIbJbKbLbMbNbObPbQbRbSbTbUbVbk Wbl Xbm Ybn Zbo 0bp 1bq 2br 3bs 4bt 5bu 6bv 7bw 8bx 9by !bz #bA $bB %bC 'bD (bE )bF *bG +bH ,bI -bJ .b/b:b;b=b?b@b[b]b^b_b`b{b|b}b~bacbcccdcecfcgchcicjckclcmcncocpcqcrcsctcucvcwcxcyczcAcBcCcDcEcFcGcHcIcJcKcLcMcNcOcPcQcRcScTcUcVcWcXcYcZc0c1c2c3c4c5c6c7c8c9c!c#c$c%c'c(c)c*c+c,c-c.c/c:c;c=c?c@c[c]c^c_c`c{c|c}c~cadbdcdddedfdgdhdidjdkdldmdndodpdqdrdsdtdudvdwdxdydzdAdBdCdDdEdFdGdHdIdJdKdLdMdNdOdPdQdRdSdTdUdVdWdXdYdZd0d1d2d3d4d5d6d7d8d9d!d#d$d%d'd(d)d*d+d,d-d.d/d:d;d=d?d@d[d]d^d_d`d{d|d}d~daebecedeeefegeheiejekelemeneoepeqereseteuevewexeyezeAeBeCeDeEeFeGeHeIeJeKeLeMeNeOePeQeReSeTeUeVeWeXeYeZe0e1e2e3e4e5e6e7e8e9e!e#e$e%e'e(e)e*e+e,e-e.e/e:e;e=e?e@e[e]e^e_e`e{e|e}e~eafbfcfdfefffgfhfifjfK kflfmfnfofpfqfrfL sftfufvfwfxfyfzfAfBfCfDfEfFfGfHfIfJfKfLfMfNfOfPfQfRfSfTfUfVfWfXfYfZf0f1f2f3f4f5f6f7f8f9f!f#f$f%f'f(f)f*f+f,f-f.f/f:f;f=f?f@f[f]f^f_f`f{f|f}f~fagbgcgdgegfggghgigjgkglgmgngogpgqgrgsgtgugvgwgxgygzgAgBgCgDgEgFgGgHgIgJgKgLgMgNgOg; PgM QgN Rg= Sgh TgZ UgVgWgXgYgZg0g1g2g3g4g5g6g7g8g9g!g#g$g%g'g(g)g*g+g,g-g.g/g:g;g=g?g@g[g]g^g_g`g{g|g}g~gahbhchdhehfhghhhihjhd khO P Q a lhb mhR S e T nhU V f W ohphqhrhshthuhvhwhxhyhzhAhBhChDhEhFhGhHhIhJhKhLhMhNhOhPhQhRhShThUhVhWhXhYhZh0h1h2h3h4h5h6h7h8h9h!h#h$h%h'h(h)h*h+h,h-h.h/h:h;h=h?h@h[h]h^h_h`h{h|h}h~haibicidieifigihiiijikiliminioipiqirisitiuiviwixiyiziAiBiCiDiEiFiGiHiIiJiKiLiMiNiOiPiQiRiSiTiUiViWiXiYiZi0i1i2i3i4i5i6i7i8i9i!i#i$i%i'i(i)i*i+i,i-i.i/i:i;i=i?i@i[i]i^i_i`i{i|i}i~iajbjcjdjejfjgjhjijjjkjljmjnjojpjqjrjsjtjujvjwjxjyjzjAjBjCjDjEjFjGjHjIjJjKjLjMjNjOjPjQjRjSjTjUjVjWjXjYjZj0j1j2j3j4j5j6j7j8j9j!j#j$j%j'j(j)j*j+j,j-j.j/j:j;j=j?j@j[j]j^j_j`j{j|j}j~jakbkckdkekfkgkhkikjkkklkmknkokpkqkrksktkukvkwkxkykzkAkBkCkDkEkFkGkHkIkJkKkLkMkNkOkPkQkRkSkTkUkVkWkXkYkZk0k1k2k3k4k5k6k7k8k9k!k#k$k%k'k(k)k*k+k,k-k.k/k:k;k=k?k@k[k]k^k_k`k{k|k}k~kalblcldlelflglhliljlklllmlnlolplqlrlsltlulvlwlxlylzlAlBlClDlElFlGlHlIlJlKlLlMlNlOlPlQlRlSlTlUlVlWlXlYlZl0l1l2l3l4l5l6l7l8l9l!l#l$l%l'l(l)l*l+l,l-l.l/l:l;l=l?l@l[l]l^l_l`l{l|l}l~lambmcmdmemfmgmhmimjmkmlmmmnmompmqmrmsmtmumvmwmxmymzmAmBmCmDmEmFmGmHmImJmKmLmMmNmOmPmQmRmSmTmUmVmWmXmYmg Zm0m1m2m3m4m5m6m7m8m9m!m#m$m%m'm(m)m*m+m,m-m.m/m:m;m? =m?m@m[m]m^m_m`m{m|m}m~manbncndnenfngnhninjnknlnmnnnonpnqnrnsntnunvnwnxnynznAnBnCnDnEnFnGnHnInJnKnLnMnNnOnPnQnRnSnTnUnVnWnXnYnZn0n1n2n3n4n5n6n7n8n@ [ ] ^ _ ` { | } ~ abbbcbdbebfbgbhbibjbkb9n!n#n$nlb%n'n(n)n*n+n,n-n.n/n:n;n=n?n@n[n]n^n_n`n{n|n}n~naobocodoeofogohoiojokolombmonooopoqorosotouovowoxoyozoAoBoCoDoEoFoGoHoIoJoKoLoMoNoOoPoQoRoSoToUoVoWoXoYoZo0o1o2o3o4o5o6o7o8o9o!o#o$o%o'o(o)o*o+o,o-o.o/o:o;o=o?o@o[o]o^o_o`o{o|o}o~oapbpcpdpepfpgphpipjpkplpmpnpopppqprpsptpupvpwpxpypzpApBpCpDpEpFpGpHpIpJpKpLpMpNpOpPpQpRpSpTpUpVpWpXpYpZp0p1p2p3p4p5p6p7p8p9p!p#p$p%p'p(p)p*p+p,p-p.p/p:p;p=p?p@p[p]p^p_p`p{pnb|p}p~paqbqcqdqeqfqgqhqiqjqkqlqmqnqoqpqqqrqsqtquqvqwqxqyqzqAqBqCqDqEqFqGqHqIqJqKqLqMqNqOqPqQqRqSqTqUqVqWqXqYqZq0q1q2q3q4q5q6q7q8q9q!q#q$q%q'q(q)q*q+q,q-q.q/q:q;q=q?q@q[q]q^q_q`q{q|q}q~qarbrcrdrer0 1 2 3 4 5 6 7 8 9 ! # $ % ' ( ) * + , - frgrhrir. jrkrlrmrnrorprqrrrsrtrurvrwrxryrzrArBrCrDrErFrGrHrIrJrKrLrMrNrOrPrQrRrSr/ TrUrVrWrXrYrZr0r1r2r3r4r5r6r7r8r9r!r#r$r%r'r(r)r*r+r,r-r.r/r:r;r=r?r@r[r]r^r_r`r{r|r}r~rasbscsdsesfsgshsisjskslsmsnsospsqsrssstsusvswsxsyszsAsBsCsDsEsFsGsHsIsJsKsLsMsNsOsPsQsRsSsTsUsVsWsXsYsZs0s1s2s3s4s5s6s7s8s9s!s#s$s%s's(s)s*s+s,s-s.s/s:s;s=s?s@s[s]s^s_s`s{s|s}s~satbtctdtetftgthtitjtktltmtntotptqtrtstttutvtwtxtytztAtBtCtDt: EtFtGtHtItJtKtLtMtNtOtPtQtRtStTtUtVtWtXtYtZt0t1t2t3t4t5t6t7t8tob9t!t#t$t%t't(t)t*t+t,t-t.t/t:t;t=t?t@t[t]t^t_t`t{t|t}t~taubucudueufuguhuiujukulumunuoupuqurusutuuuvuwuxupbyuzuAuBuCuDuEuFuGuHuIuJuKuLuMuNuOuPuQuRuSuTuUuqbVuWuXuYuZu0u1u2u3u4u5u6u7u8u9u!u#u$u%u'u(u)u*ui +u,u-u.u/u:u;u=u?u@u[u]u^u_u`u{u|u}u~uavbvcvdvj evfvgvhvivjvkvlvmvnvovpvqvrvsvtvuvvvwvxvyvzvAvBvCvDvEvFvGvHvIvJvKvLvMvNvOvPvQvRvSvTvUvVvWvXvYvZv0v1v2v3v4v5v6v7v8v9v!v#v$v%v'v(v)v*v+v,v-v.v/v:v;v=v?v@v[v]v^v_v`v{v|v}v~vawbwcwdwewfwgwhwiwjwkwlwmwnwowpwqwrwswtwuwvwwwxwywzwAwBwCwDwEwFwGwHwIwJwKwLwMwNwOwPwQwRwSwTwUwVwWwXwYwZw0w1w2w3w4w5w6wX 7w8w9w!w#w$w%w'w(w)w*w+w,w-w.w/w:w;w=w?w@w[w]w^w_w`w{w|w}w~waxbxcxdxexfxgxhxixjxkxlxmxnxoxpxqxrxsxtxuxvxwxxxyxzxAxBxCxDxExFxGxHxIxJxKxLxMxNxOxPxQxRxSxTxUxVxWxXxYxZx0x1x2x3x4x5x6x7x8x9x!x#x$x%x'x(x)x*x+x,x-x.x/x:x;x=x?x@x[x]x^x_x`x{x|x}x~xaybycydyeyfygyhyiyjykylymynyoypyqyrysytyuyvywyxyyyzyAyByCyDyEyFyGyHyIyJyKyLyMyNyOyPyQyRySyTyUyVyWyXyYyZy0y1y2y3y4y5y6y7y8y9y!y#y$y%y'y(y)y*y+y,y-y.y/y:y;y=y?y@y[y]y^y_y`y{y|y}y~yazbzczdzezfzgzhzizjzkzlzmznzozpzqzrzsztzuz

54  

55 @staticmethod 

56 cdef Context _from_green_ctx(type cls, GreenCtxHandle h_green_ctx, int device_id): 

57 """Create Context from an owning green context handle.""" 

58 cdef ContextHandle h_context = create_context_handle_from_green_ctx(h_green_ctx) 1dOPQabRSTUVW

59 if not h_context: 1dOPQabRSTUVW

60 HANDLE_RETURN(get_last_error()) 

61 raise RuntimeError("Failed to create CUDA context view from green context") 

62 return Context._from_handle(cls, h_context, device_id) 1dOPQabRSTUVW

63  

64 @property 

65 def handle(self) -> cuda.bindings.driver.CUcontext | None: 

66 """Return the underlying CUcontext handle.""" 

67 if not self._h_context: 2k l m n o p q r s t u v w x y z A B C D E F G H I J K L rbg X

68 return None 

69 if as_cu(self._h_context) == NULL: 2k l m n o p q r s t u v w x y z A B C D E F G H I J K L rbg X

70 return None 

71 return as_py(self._h_context) 2k l m n o p q r s t u v w x y z A B C D E F G H I J K L rbg X

72  

73 @property 

74 def _handle(self) -> cuda.bindings.driver.CUcontext | None: 

75 return self.handle 

76  

77 @property 

78 def is_green(self) -> bool: 

79 """True if this context was created from device resources.""" 

80 if not self._h_context: 2Y sba b tbe ubrbvzf

81 return False 

82 return get_context_green_ctx(self._h_context).get() != NULL 2Y sba b tbe ubrbvzf

83  

84 @property 

85 def resources(self) -> DeviceResources: 

86 """Query the hardware resources provisioned for this context. 

87  

88 For green contexts, returns the resources this context was created 

89 with (SM partition, workqueue config). For primary contexts, returns 

90 the full device resources. 

91  

92 Raises :class:`RuntimeError` if the context has been closed. 

93 """ 

94 if not self._h_context: 2d wzY

95 raise RuntimeError("Cannot query resources on a closed context") 

96 return DeviceResources._init_from_ctx(self._h_context, self._device_id) 2d wzY

97  

98 def create_stream(self, options: object = None) -> Stream: 

99 """Create a new stream bound to this green context. 

100  

101 This method is only available on green contexts. For primary 

102 contexts, use :meth:`Device.create_stream` instead. 

103  

104 Parameters 

105 ---------- 

106 options : :obj:`~_stream.StreamOptions`, optional 

107 Customizable dataclass for stream creation options. 

108  

109 Returns 

110 ------- 

111 :obj:`~_stream.Stream` 

112 Newly created stream object. 

113 """ 

114 if not self._h_context: 2Y sba b tbe ubf

115 raise RuntimeError("Cannot create a stream on a closed context") 

116 if not self.is_green: 2Y sba b tbe ubf

117 raise RuntimeError( 2ub

118 "Context.create_stream() is only supported on green contexts. " 

119 "Use Device.create_stream() for primary contexts." 

120 ) 

121  

122 return Stream._init(options=options, device_id=self._device_id, ctx=self) 2Y sba b tbe f

123  

124 cpdef close(self): 

125 """Release this context wrapper's underlying CUDA handles.""" 

126 cdef cydriver.CUcontext current_ctx 

127 if self._h_context and as_cu(self._h_context) != NULL: 2d vbwbxba b ybzbAbBbCbDbEb

128 with nogil: 2d vbwbxba b ybzbAbBbCbDbEb

129 HANDLE_RETURN(cydriver.cuCtxGetCurrent(&current_ctx)) 2d vbwbxba b ybzbAbBbCbDbEb

130 if current_ctx == as_cu(self._h_context): 2d vbwbxba b ybzbAbBbCbDbEb

131 raise RuntimeError( 2yb

132 "Cannot close a CUDA context while it is current. " 

133 "Restore a previous context before closing this context." 

134 ) 

135 self._h_context.reset() 2d vbwbxba b zbAbBbCbDbEb

136  

137 def __eq__(self, other: object) -> bool: 

138 if not isinstance(other, Context): 1MNhZefg0123456789!#$%'()*+,-./:ij

139 return NotImplemented 1Zg0123456789!#$%'()*+,-./:

140 cdef Context _other = <Context>other 1MNhefgij

141 return as_intptr(self._h_context) == as_intptr(_other._h_context) 1MNhefgij

142  

143 def __hash__(self) -> int: 

144 return hash(as_intptr(self._h_context)) 2; = h ? @ [ ] ^ _ ` { | } ~ abbbcbdbebfbgbhbibjbkblbmbnbpbqbi j

145  

146 def __repr__(self) -> str: 

147 return f"<Context handle={as_intptr(self._h_context):#x} device={self._device_id}>" 2ob

148  

149  

150@dataclass 

151cdef class ContextOptions: 

152 """Options for context creation. 

153  

154 Attributes 

155 ---------- 

156 resources : :obj:`~cuda.core.typing.DeviceResourcesType` 

157 Device resources used to create a green context. 

158 """ 

159 resources: DeviceResourcesType